| the role of parasitic infection in the aetiology of phlyctenular eye disease. | stool and urine analysis of 150 cases of phlyctenular eye disease, revealed that 115 (76.67%) were positive for intestinal parasites. the most prevalent parasites were hymenolepis nana (49.56%) followed by ascaris lumbricoides (27.82%). eosinophilia (5-10%) was detected in 90 phlycten cases (60%), 80 of them (88.8%) had parasitic infection. since h. nana can produce a type of tissue hypersensitivity, phlyctenular eye disease may be partly referred to such an infection. | 1991 | 1765701 |
| centripetal flow and directed reassembly of the major sperm protein (msp) cytoskeleton in the amoeboid sperm of the nematode, ascaris suum. | the cytoskeleton of the amoeboid spermatozoa of ascaris suum consists of major sperm protein (msp) filaments arranged into long, branched fiber complexes that span the length of the pseudopod and treadmill rearward continuously due to assembly and disassembly at opposite ends of the complexes (sepsenwol et al., journal of cell biology 108:55-66, (1989)). examination by video-enhanced microscopy showed that this cytoskeletal flow is tightly coupled to sperm locomotion. the fiber complexes treadmi ... | 1991 | 1773449 |
| use of patients' sera for immunoperoxidase demonstration of infectious agents in paraffin sections. | using patients' sera diluted from 1:10 to 1:1,000 as the primary antibodies in indirect immunoperoxidase staining, the authors visualized a variety of infectious agents in formalin-fixed, paraffin-embedded tissue sections. the target lesions included 1) pyoderma caused by staphylococcus aureus, 2) cryptococcal infection, 3) dermal sporotrichosis, 4) colon ulcer caused by amebic dysentery, 5) cutaneous leishmaniasis, and 6) chronic liver abscess containing ova of ascaris lumbricoides. the infecti ... | 1991 | 1776466 |
| presentation of the bueding-von brand award to donald fairbairn. | | 1991 | 1779287 |
| results of testing for intestinal parasites by state diagnostic laboratories, united states, 1987. | we analyzed results of 216,275 stool specimens examined by the state diagnostic laboratories in 1987; parasites were found in 20.1%. percentages were highest for protozoans: giardia lamblia (7.2%), entamoeba coli and endolimax nana (4.2% each), blastocystis hominis (2.6%), entamoeba histolytica (0.9%), and cryptosporidium species (0.2%). identifications of giardia lamblia increased broadly from the 4.0% average found in 1979, with 40 states reporting increases and seven decreases. most states th ... | 1991 | 1779956 |
| influence of enteral parasites on the blood vitamin a levels in preschool children orally supplemented with retinol and/or zinc. | a sample of 471 pre-school children who frequented schools and crêches in a poor district of manaus (amazonas), brazil, were randomly submitted to faecal parasitological tests. two-hundred-and-forty children from both sexes between the ages of 3 and 7 years with ascaris lumbricoides and/or giardia lamblia were selected. the objective of the study was to determine the possible influence of these two intestinal parasites and vitamin a and/or zinc supplementation on the serum retinol levels of prim ... | 1991 | 1782925 |
| fetal response to maternal ascariasis as evidenced by anti ascaris lumbricoides igm antibodies in the cord blood. | the immune response of the fetus to maternal infection with ascaris lumbricoides was studied by estimating igg and igm antibodies, using elisa, in 28 paired samples of mother and cord blood. a. lumbricoides adult male, cuticle and unembryonated egg antigen was used. toxocara canis larva antigen was used as a specificity control. presence of igg in the cord blood does not signify fetal response, but the presence of igm antibodies does. igm antibodies to ascaris adult male antigen were present in ... | 1991 | 1785284 |
| [effects of immunoactivity on ascaris suum infection in mice]. | the immune response to sheep red blood cell (srbc) was monitored in the mice infected with ascaris suum or trichinella spiralis. the effects of the infection with t. spiralis or the injection with cyclophosphamide(cy) as an immunosuppression agent prior to challenge infection with the embryonated eggs of a. suum were monitored in mice by means of the level of infection with a. suum and cellular and humoral immune response to srbc. following the oral administration of 1,000 eggs of a. suum to mic ... | 1991 | 1786254 |
| identification of tubulin isoforms in different tissues of ascaris suum using anti-tubulin monoclonal antibodies. | three monoclonal antibodies specific to alpha- and beta-tubulin were used to examine the expression of tubulin isoforms in the intestine, reproductive tract and body wall muscle of a. suum. the tubulins were found to be different in their isoelectric points, number of isoforms and peptide maps with western blot analysis of one-dimensional polyacrylamide gel confirming the presence of alpha-, beta 1- and beta 2-tubulin. commercial cross-reactive anti-alpha and anti-beta mabs 356 and 357 recognize ... | 1991 | 1787032 |
| complications of ascaris lumbricoides infection: case reports from south western uganda. | two cases of intestinal obstruction due to ascaris lumbricoides infection are reported from ishaka adventist hospital, in south western uganda. one was a male aged two and a half years and another was a female aged twenty. they were both treated surgically with good results. a review of the literature also revealed that intestinal obstruction due to a. lumbricoides is a common complication, though other surgical and nutritional complications also seem to be common, they are less reported. | 1991 | 1795089 |
| [intestinal parasites in primary school students]. | five hundred thirty-one stool samples obtained from primary schools. the age range was between 7 and 13 years, 49% of the patients were females an 51% of the patients males. in our study it has been observed that the parasite incidence was 36.9% the predominant parasite was ascaris lumbricoides (12%), giardia intestinalis (9%), hymenolepis nana (7.1%) entamoeba histolytica (6%) and trichuris trichiura (2.6%) respectively, we detected six different parasites in the primary school students because ... | 1991 | 1795661 |
| [helminth infections in wild boars kept in enclosures in southern germany: severity of infections and fecal intensity]. | to determine the intensity of helminth infection and egg output with regard to age and sex of wild boar, stomachs and intestines of 124, lungs of 62, and livers of 39 animals from 5 enclosures in southern germany were examined. the evaluation of the intensity of infection showed 579.4 worms per animal for hyostrongylus rubidus, 510.4 for globocephalus longemucronatus, 476.9 for oesophagostomum dentatum, 476.9 for o. quadrispinulatum, 254.2 for metastrongylus pudendotectus, 176.9 for m. salmi, 14 ... | 1991 | 1796467 |
| induced larval motility: a possible viability test for embryonated ascaris lumbricoides ova. | | 1991 | 1801348 |
| estimating prevalence of community morbidity due to intestinal helminths: prevalence of infection as an indicator of the prevalence of disease. | the rational design of helminth control programmes for endemic areas requires that the limited resources be focused on the communities in greatest need. the process of locality-targetting would be facilitated by a simple, inexpensive method of assessing morbidity at the community level. this paper describes how a simple model of the distribution of infection in human populations can use infection prevalence data to predict the proportion of heavy, and potentially clinically significant, infectio ... | 1991 | 1801353 |
| airway inflammation in sheep with acute airway hypersensitivity to inhaled ascaris suum. | in order to investigate the relationship between airway inflammation and the development of naturally occurring allergic airway hypersensitivity, the lower respiratory tract was studied in eighteen sheep 14 days after challenge with inhaled ascaris suum antigen. sheep could be classed into three groups on the basis of their response: group a (n = 6) had significant changes in both airway resistance and dynamic lung compliance; group b (n = 6) had changes in only dynamic lung compliance, and grou ... | 1991 | 1804794 |
| the influence of environment and parasitism on the prevalence of asthma in two venezuelan regions. | the point prevalence of bronchial asthma and the influence of environmental conditions among 100 individuals chosen from two venezuelan regions, i.e., rural and urban, were investigated by history, routine laboratory tests, determination of total and specific ige antibody to common allergens and spirometric tests. the point prevalence of bronchial asthma was 3.0% in rural subjects who were also highly parasitized by helminths and 3.6% in subjects from the urban region. a significative difference ... | 1991 | 1807400 |
| comparative efficacy of single dose anthelmintics in relation to intensity of geohelminth infections. | the efficacy of a single dose of albendazole 400 mg, levamisole 2.5 mg/kg, mebendazole 500 mg, mebendazole 200 mg and pyrantel pamoate 10 mg/kg was evaluated in relation to the intensity of infection of ascaris lumbricoides, necator americanus and trichuris trichiura. the study group comprised 667 3 to 12 year old children from poorer segments of the community. all 5 treatments produced high egg reduction rates ranging from 95.9% to 99.7% and substantial cure rates for ascaris infection; the dif ... | 1991 | 1807845 |
| colonization of ascaris lumbricoides eggs by the fungus verticillium chlamydosporium goddard. | the process of colonization of ascaris lumbricoides eggs by the fungus verticillium chlamydosporium was studied by scanning electron microscopy. the preparations were made by fractionation of egg suspension exposed to the fungus for four days and frozen in liquid nitrogen according to stĕrba and milácek (1986). ovicidal fungus forms an abundant ramifying mycelial network in the area between the eggs. however, egg-shells are penetrated only by some hyphae without any penetration organs produced ( ... | 1991 | 1808033 |
| age-dependency of infection status and serum antibody levels in human whipworm (trichuris trichiura) infection. | this study examines the age-dependency of the relationships between human infection with whipworm (trichuris trichiura) and parasite-specific antibody level measured by elisa against an extract of adult worms after preincubation of the sera with ascaris lumbricoides adult worm extract. the convex age-profile of parasite infection intensity is shown to be mirrored by an age-dependent change in age-class mean levels of igg (all subclasses except igg3), iga, igm and ige. mean antibody levels rise w ... | 1991 | 1811214 |
| [pseudo-ascaris in ultrasonography of the epigastrium]. | a sonographically demonstrated vermicular structure in the region of the gall bladder was suspected to be an ascaris, which is to find in the biliary system occasionally. however under cholecystectomy there was not to detect a worm, only a stone in the cystic duct. in accordance to anamnesis we think it being the caudal part of a ventriculo-peritoneal drain implanted for hydrocephalus therapy. | 1991 | 1811661 |
| aspartic protease inhibitors from the parasitic nematode ascaris. | | 1991 | 1812760 |
| replacement patterns of ascaris lumbricoides populations in filipino children. | the replacement patterns of ascaris lumbricoides worm populations were investigated by complete deworming of 150 filipino children (0-14 years old) from both urban and rural barangays and analyzing the age distribution of the 2,072 adult worms (939 males and 1,133 females) obtained, based on seo's (1983) regression equation relating length to age. it was observed that most worm populations followed a periodic pattern of replenishment. this supports the general practice of periodic anthelminthic ... | 1991 | 1820650 |
| studies on the control of hookworm and other soil-transmitted helminthiases in farmers in zhejiang province, china. | different periodic selective chemotherapeutic schemes were used to control hookworm and other soil-transmitted helminthiases in eight villages in five counties in zhejiang province, china, 1985-1988. the results showed that the prevalence rates of hookworm, ascariasis, and trichuriasis decreased from 35.0-74.4%, 47.0-.76% and 22.9-47.5% to 3.2-15.8%, 9.9-47.8%, and 3.5-31.2%, respectively, using pyrantel pamoate (10 mg/kg for 1-2 days) or albendazole (400 mg for 1-2 days, once or twice a year fo ... | 1991 | 1820652 |
| [trypsin and alpha-amylase activity in the pancreas of guinea pigs. iv. comparison of the effects of administration of the mixtures of volatile organic acids, invasive ova of ascaris suum and their homogenates]. | the activity of alpha-amylase in the experimental groups of guinea pigs was lower than in control animals. the decreased level of activity of trypsin was noted (p less than 0.05) also in infected animals, and in treatment with organic acids. in the group of guinea pigs, which was administrated homogenized eggs of parasite, the activity of enzyme was a little higher than in control animals. the infection of animals was associated with increase of relative weight of lungs. the guinea pigs treatmen ... | 1991 | 1822040 |
| [effects of administration of vitamin a, b 2 and b 15 to guinea pigs during the larval stage of ascariasis on alpha-amylase activity in the lungs and kidneys]. | the guinea pigs were administrated vit. a (400 i.u.), vit. b2 (1 mg) or vit. b15 (5 mg). on the 9-th day of the experiment part of them was infected with 5000 invasive eggs of ascaris suum. the invasion lasted 6 days and was controlled by lungs and kidney weight, and number of larvae in the lungs. the activity of amylase was determined by saccharogenic method in both organs. in the lungs of infected animals the activity of alpha-amylase was about 3 times lower than in the control. the infection ... | 1991 | 1822041 |
| [trypsin and alpha-amylase activity in the pancreas of guinea pigs. v. effects of administration of vitamin a and b 2 during the larval stage of ascariasis]. | the infection of guinea pigs with ascaris suum larvae resulted in decrease of the activities of trypsin and alpha-amylase, and in increase of lipase activity in extracts from their pancreas. the activity of alpha-amylase, lipase and the relative weight of lungs of infected animals which were given vitamin a, did not differ from control animals. the activity of trypsin from pancreas these animals was higher than that measured in only infected guinea pigs but it was lower than in control animals. ... | 1991 | 1822049 |
| [experimental evaluation of the degree of detectability of helminths' eggs in the soil using 2 methods]. | sand and soil were experimentally contaminated with eggs of ascaris suum and oncospheres of hymenolepis diminuta in three doses: 500, 3000 and 5000 eggs (oncospheres) per 50 g of the ground. numbers of recovered eggs were compared with the use of the two following methods: the method of flotation and spindler's method, modified by vasilkova and ivancuk. the ground samples were investigated the following day and on the 14th day after the contamination. the samples were stored in 20 degrees c and ... | 1991 | 1822050 |
| isolation of parasites on fruits and vegetables. | the current fda method to recover parasites from fruits and vegetables is derived from procedures used to isolate parasitic protozoa from water. a 1kg portion of fruit or vegetable is divided into 200 g subportions. the subportions are sequentially processed in a sonic cleaning bath with 1.5 liters of detergent solution (1% sodium dodecyl sulfate, 0.1% tween 80) and sonicated for 10 minutes. as each subsample is removed, it is thoroughly drained. after this sonic treatment, the wash water is col ... | 1991 | 1822873 |
| current status of food-borne parasitic zoonoses in singapore. | parasitic infections adopt a rather low profile in the highly urbanized setting in singapore. very few food-borne parasitic infections are encountered. apart from a few reports of infections with clonorchis/opisthorchis, taenia spp. and hydatid disease, there are no other citations of such helminthic infections. seroprevalence surveys have shown the presence of toxoplasmosis in local meat animals (sheep, pigs and cattle) and toxoplasma strains have been isolated from the pig, tree shrew (tupaia ... | 1991 | 1822903 |
| suppression of the ige antibody response by ascaris suum components: effect of x-irradiation. | the effect of x-irradiation on the suppression of ige antibody responses induced by some of the ascaris suum (asc) components was analyzed in mice (7-week old a/sn females). treatment with 300 r 24 h before immunization with 50 micrograms ova and 200 micrograms asc suppressive components abolished the damping effect on anti-ova ige antibody levels. the same effect was observed on the anti-asc ige antibody response obtained in mice injected with 200 micrograms asc immunogenic plus 200 micrograms ... | 1991 | 1823275 |
| effector-induced conformational transitions in ascaris suum phosphofructokinase. a fluorescence and circular dichroism study. | results of activity and spectral studies using fluorescence and circular dichroism show that amp and fructose 2,6-bisphosphate (f-2,6-p2) activate ascaris suum phosphofructokinase through specific and similar conformational changes. inorganic compounds like (nh4)2so4 and kh2po4 also induce structural alterations in the enzyme in a manner different from those caused by amp and f-2,6-p2. the enzyme is activated by both amp and f-2,6-p2, in 20 mm phosphate buffer, ph 6.6, with 0.2 mm atp and 1 mm f ... | 1991 | 1827437 |
| fructose 2,6-bisphosphate and amp increase the affinity of the ascaris suum phosphofructokinase for fructose 6-phosphate in a process separate from the relief of atp inhibition. | kinetic data have been collected suggesting that heterotropic activation by fructose 2,6-bisphosphate and amp is a result not only of the relief of allosteric inhibition by atp but is also the result of an increase in the affinity of phosphofructokinase for fructose 6-phosphate. modification of the ascaris suum phosphofructokinase at the atp inhibitory site produces a form of the enzyme that no longer has hysteretic time courses or homotropic positive (fructose 6-phosphate) cooperativity or subs ... | 1991 | 1827438 |
| trypsin modification of phosphofructokinase from ascaris suum. | phosphofructokinase from ascaris suum is a tetramer with subunits of 90 kda. treatment of the native enzyme with trypsin (10%, w/w) followed by sds-gel electrophoresis was shown to immediately generate a 40-kda fragment followed by a gradual formation of two other fragments of 37 and 32 kda. the loss of catalytic activity during the digestion was less than 50%. gel filtration of the digested enzyme under non-denaturing conditions showed a mr almost that of the native enzyme. digestion of the pho ... | 1991 | 1828862 |
| identification and isolation of a specific antigen with diagnostic potential from dictyocaulus viviparus. | the purpose of the investigation was to isolate and identify a specific antigen of dictyocaulus viviparus that can be used to diagnose lungworm infections in cattle. somatic, excretion and secretion antigens of adult d. viviparus and somatic antigens of l3 larvae were examined in an indirect enzyme-linked immunosorbent assay (elisa) to determine whether they cross-reacted with sera collected from calves with mono-infections of fasciola hepatica. ostertagia ostertagi, ascaris suum, or cooperia on ... | 1991 | 1832795 |
| transmission of intestinal helminths in danish sow herds. | faecal samples from sows and their litters, all untreated with anthelmintics, were examined in eight sow herds, ranging from very intensive to very traditional management. four helminth genera were recorded, namely oesophagostomum sp., ascaris suum, trichuris suis and strongyloides ransomi. the herds with the most intensive management were only infected with a. suum, while the more traditionally managed herds were infected with three or four species. in one herd, the sows showed a small relative ... | 1991 | 1832796 |
| modification of the atp inhibitory site of the ascaris suum phosphofructokinase results in the stabilization of an inactive t state. | treatment of the ascaris suum phosphofructokinase (pfk) with 2',3'-dialdehyde atp (oatp) results in an enzyme form that is inactive. the conformational integrity of the active site, however, is preserved, suggesting that oatp modification locks the pfk into an inactive t state that cannot be activated. a rapid, irreversible first-order inactivation of the pfk is observed in the presence of oatp. the rate of inactivation is saturable and gives a koatp of 1.07 +/- 0.27 mm. complete protection agai ... | 1991 | 1832959 |
| u small nuclear ribonucleoprotein requirements for nematode cis- and trans-splicing in vitro. | in nematodes, a fraction of mrnas acquires a common 22-nucleotide 5'-terminal spliced leader sequence via a trans-splicing reaction. the same premessenger rnas which receive the spliced leader are also processed by conventional cis-splicing. whole cell extracts prepared from synchronous embryos of the parasitic nematode ascaris lumbricoides catalyze both cis- and trans-splicing. we have used this cell-free system and oligodeoxynucleotide directed rnase h digestion to assess the u small nuclear r ... | 1991 | 1835972 |
| the impact of three-monthly age-targetted chemotherapy on ascaris lumbricoides infection. | the impact of 3 chemotherapeutic regimens at 3-monthly intervals against ascaris lumbricoides infection, targetted at under 15 years old children with and without initial mass chemotherapy, and at 2-12 years old children, was studied in three myanmar [burmese] rural communities over a period of 2 years. computation was made of prevalence and intensity (worm burden) of ascaris infection, and other parameters for estimation of basic reproductive rate (r0) of the parasite and of the proportion of t ... | 1991 | 1836687 |
| n-acetylglucosaminyltransferase from ascaris suum. | the occurrence of n-acetylglucosaminyltransferase, the initial step in the synthesis of the carbohydrate moiety of n-linked glycoproteins, is demonstrated in the microsomal fraction of the nematode ascaris suum. phosphatidylglycerol stimulated enzyme activity three- to six-fold without affecting the km values of either substrates, uridinediphospho-n-acetylglucosamine or dolichylphosphate. the km values were determined to be about 12 microm and 100 micrograms ml-1, respectively. the enzyme activi ... | 1991 | 1836781 |
| genetic component of growth rate and ovicidal activity in penicillium lanosum. | the growth rate and ovicidal activity of 10 complementary biauxotrophic mutants (haploid constitution) obtained from strain no 45 of the ovicidal fungus penicillium lanosum was studied. the quantitative characters were further evaluated in 17 diploid strains prepared from pairs of mutants. by means of correspondence analysis "linda" was determined the share of parent haploid strains in the variability of diploids. this share is interpreted as the estimate of the genetic component. in the case of ... | 1991 | 1837678 |
| ascaris in the common bile duct: diagnosis by ultrasound and endoscopic retrograde cholangiopancreatography (ercp) and extraction by balloon catheter. | this is a case report of ascaris worm in the common bile duct in a 61 year old lady. ultrasound diagnosis was initially made based on the presence of linear hyperreflective foci within the common bile duct. ercp confirmed a single worm within the duct. balloon extraction was then successfully carried out following papillotomy. this case illustrates the value of ultrasound in the definitive diagnosis of biliary ascariasis and the therapeutic role of ercp. | 1991 | 1839928 |
| molecular cloning and characterization of recombinant parasite antigens for immunodiagnosis of onchocerciasis. | immunological cross-reactivity among nematodes has hampered the development of specific serodiagnostic assays for onchocerciasis. in the present study, an onchocerca volvulus adult worm complementary dna expression library was differentially screened with human sera from patients infected with o. volvulus and with an omnibus anti-nematode serum pool comprised of sera from patients infected with brugia malayi, loa loa, wuchereria bancrofti, mansonella perstans, strongyloides stercoralis, ancylost ... | 1991 | 1840605 |
| [intestinal parasitosis in pre-school children from tarapoto]. | we examined stool specimens from 110 children (pre scholar) from the suburb "9 de abril" tarapoto (perú). the diagnostic techniques were: direct smear, faust floaty concentration, willis floating and graham's tape. 98 percent had intestinal parasitosis, without sexual differences. the most common parasites were: ascaris lumbricoides 68%, trichuris trichiura 44%, enterobius vermicularis 28%, hymenolepis nana 21% and strongyloides stercoralis 16%. monoparasitosis was present in 44% and biparasitos ... | 1991 | 1840844 |
| [dissemination and survival of endoparasite embryos in the environment]. | pig farms with the annual capacity from five to 20 thousand head represent one of the crucial fields of agriculture influencing the environment in the csfr. daily production of large amounts of liquid excrements (150-300 m3), as a result of high concentrations of animals, poses not only technical but also sanitary problems closely related to the animal and man's health. in a long-term (267 days) field study the authors followed the development and survival of eggs of the model helminth ascaris s ... | 1991 | 1841477 |
| viability of ascaris lumbricoides eggs eliminated after anti-helminthic therapy. | the viability of ascaris lumbricoides eggs passed in the feces was evaluated after treatment of patients with one of the anti-helminthic drugs (thiabendazole, levamisole, cambendazole, pyrantel pamoate, mebendazole or praziquantel). for each drug, a group of 5 children was selected and their feces collected 24 h before treatment and 24, 48 and 72 h after drug administration, except for mebendazole, with the feces being collected throughout the period of treatment. after sedimentation, the total ... | 1991 | 1842414 |
| intestinal parasites in iaualapiti indians from xingu park, mato grosso, brazil. | brine flotation and gravity sedimentation coproscopical examinations were performed in stool samples from 69 of the 147 iaualapiti indians of the xingu park, mato grosso state, brazil. intestinal parasites were present in 89.9% of the population examined. high rates of prevalence were found for some parasite species: ancylostomidae, 82.6%; enterobius vermicularis, 26.1%; ascaris lumbricoides, 20.3%; and entamoeba coli, 68.1%. infection by trichuris trichiura, schistosoma mansoni, taenia spp. and ... | 1991 | 1842434 |
| the efficiency of lutz, kato-katz and baermann-moraes (adapted) techniques association to the diagnosis of intestinal helminths. | the association of lutz/kato-katz and lutz/baermann-moraes (adapted) techniques was used to improve better results that ranged from 0.4 to 11 times in the search of eggs of ascaris lumbricoides, schistosoma mansoni, trichiuris trichiura, taenia sp. and larvae of strongyloides stercoralis. | 1991 | 1842437 |
| [ascaris in common bile duct]. | | 1991 | 1843965 |
| absorption of carbohydrate from rice in ascaris lumbricoides infected burmese village children. | with the objective of determining the relationship between ascariasis and carbohydrate absorption from rice, breath hydrogen tests (bht's) were performed in two study populations of burmese village children. using a rice test meal, breath hydrogen peaks greater than 10 ppm above baseline within 4 hours (indicating rice malabsorption) were seen in 24 out of 55 (44 per cent) ascaris lumbricoides infected children and 3 out of 18 (17 per cent) non-infected children (age 18-59 months). in another as ... | 1992 | 1844093 |
| recent epidemiological studies to test microbiological quality guidelines for wastewater use in agriculture and aquaculture. | new guidelines for wastewater reuse (who 1989) are controversial. epidemiological studies are needed to test their validity. cross-sectional studies of the impact of excreta use in aquaculture in indonesia, and of wastewater use in irrigation in mexico have been carried out. | 1991 | 1844272 |
| health impact evaluation of wastewater use in mexico. | wastewater from mexico city is used to irrigate over 85 000 hectares, mainly of fodder and cereal crops in the mezquital valley. a cross-sectional study method is being used to test the impact of exposure to raw wastewater and wastewater from storage reservoirs on diarrhoeal disease and parasitic infections in farmworkers and their families. the study population in the rainy season survey included 1 900 households: 680 households where the farmworker is exposed to untreated wastewater (exposed g ... | 1991 | 1844273 |
| proteolysis inhibitors from ascaris lumbricoides: fact or fiction? | the results of our own 25 years investigations on biological activity of proteolytic inhibitors of ascaris lumbricoides with the help of various experimental models were discussed. as it results from these studies alpha-chymotrypsin and trypsin inhibitors from a. lumbricoides are not fiction but are substances with significant biological activity, which may be important in regulation of the host-parasite system as well as parasite pathogenic factor. | 1991 | 1844783 |
| [helminth and protozoan intestinal infections in pregnant women in their first consultation at health centers of the state in the butantã subdistrict, são paulo city]. | 481 pregnant women attended at first consultation from a são paulo city suburb-subdistrict of butantan-são paulo state, brazil, from april to october of 1988, were investigated regarding the prevalence of verminosis. the mean age was 24.5 years (range 14-46), the average family income was 0.97 pcmw (per capita minimum wage) and the average number of members of the family was 4 (1 to 15). the verminosis prevalence was 45.1% among the women. the most frequent parasites were: ascaris lumbricoides ( ... | 1991 | 1844952 |
| [comparison of several coproparasitological techniques for the diagnosis of soil-transmitted intestinal helminthiasis]. | five hundred and eleven samples of feces were examined by several coproparasitological techniques: kato-katz, willis, ritchie and direct wet mount. it was found that kato-katz was the most reliable technique for the diagnosis of trichuris trichiura, necator americanus, and ascaris lumbricoides, demonstrating the largest number of cases. willis, ritchie and direct wet mount were effective in that order. taking into account that kato-katz is a quantitative method, it should be recommended in the d ... | 1991 | 1844969 |
| ascaris lumbricoides: reinfection in children bearing an established worm burden. | to clarify the existence of reinfection in children bearing an established ascaris lumbricoides infection, the authors evaluated the weight and the length of worms collected from ten cases of ascaridiasis. the worm burden was greater than 27 worms in nine cases. in seven cases the weight and the length of worms showed little variation, with unimodal distribution of values, suggesting that all the worms in each case belong to the same population, originated from a single brood infection or from s ... | 1991 | 1845006 |
| [ascariasis pancreatitis. endoscopic diagnosis and therapy]. | ascariasis lumbricoides is a parasitic disease of the human gastrointestinal tract. migration of the worm through orifices and into ducts leads to such complications as cholangitis and pancreatitis; even bile duct perforation by ascaris have been reported. treatment of biliary ascariasis is usually surgical, although endoscopic removal of the worm has been successfully performed. we report on a case in whom an ascaris worm in the common bile duct led to acute pancreatitis; the worm was successfu ... | 1991 | 1855753 |
| initial characterization of several actin genes in the parasitic nematode, ascaris suum. | southern hybridization data suggest a large actin gene family in ascaris suum. our genomic reconstruction experiment indicated that it consists of 50-75 members. polymorphism was uncovered in the actin genes or in their surrounding sequences. from the genomic library 5 nonoverlapping actin clones were isolated and characterized. | 1991 | 1859418 |
| purification and physical properties of nematode mini-titins and their relation to twitchin. | we have isolated mini-titin from the nematodes ascaris lumbricoides and caenorhabditis elegans under native conditions using a modification in the procedure to prepare this protein from insect muscle. the proteins have an apparent molecular weight of 600,000 and appear in oriented specimens as flexible thin rods with a length around 240-250 nm. the circular dichroism spectrum of the ascaris protein is dominated by beta-structure. the proteins react with antibodies to insect mini-titin and also w ... | 1991 | 1860900 |
| cut-1 a caenorhabditis elegans gene coding for a dauer-specific noncollagenous component of the cuticle. | we have molecularly identified a new gene of caenorhabditis elegans that codes for a component of the cuticle. the gene has been physically mapped on lgii near the locus sqt-1. the structure and the sequence of the gene have been determined and antisera have been raised against parts of the protein produced as fusions in escherichia coli. by transcription analysis, and by the use of specific antisera, we have determined that this gene is expressed specifically during dauer larva formation. in ex ... | 1991 | 1864469 |
| a versatile dot-elisa method with femtomole sensitivity for detecting small peptides. | several protocols for conjugating peptides in situ to a protein carrier on paper, nitrocellulose, or nylon membranes were explored for their usefulness in dot-elisa detection of the peptides. the most sensitive method in which peptide diluted in bovine serum albumin is applied to nitrocellulose, then fixed with glutaraldehyde, can detect several peptides, ranging from 4 to 38 amino acids in length, at the level of 2-10 fmol. both immunohistochemical grade antisera and monoclonal antibodies have ... | 1991 | 1865121 |
| gaba-immunoreactive neurons in the nematode ascaris. | gamma-aminobutyric acid (gaba) immunoreactive neurons in the cephalic, somatic, and caudal regions of the ascaris nervous system were visualized with serial section and whole-mount gaba immunocytochemistry. in the ventral and dorsal nerve cords, gaba-like immunoreactivity (glir) is localized to the neurites and cell bodies of identified inhibitory motor neurons and to two fibers, one in each cord, that arise from neurons in the nerve ring. glir is absent from identified excitatory motor neurons ... | 1991 | 1869633 |
| distribution of 3h-gaba uptake sites in the nematode ascaris. | the distribution of uptake sites for the inhibitory neurotransmitter gamma-aminobutyric acid (gaba) in the nematode ascaris suum was examined by autoradiography of 3h-gaba uptake. single neural processes in both the ventral and dorsal nerve cords were labeled with 3h-gaba. serial section analysis identified the cells of origin of these processes as the rmev-like and rmed-like neurons. these cells belong to a set of four neurons in the nerve ring, all of which are labeled by 3h-gaba. 3h-gaba labe ... | 1991 | 1869634 |
| stimulation of leukocyte lysophospholipase activity by noninfectious agents. | mouse peritoneal leukocyte lysophospholipase (lpl) activity was studied to determine whether or not noninfectious agents cause increased enzyme activity and whether neutrophils have lpl activity. in the first study, mice infected with ascaris suum, a known inducer of lpl activity, were given intraperitoneal injections of proteose peptone, thioglycolate, bovine albumin, paraffin, glycogen, or a. suum whole worm extract (wwe). cell populations collected from mice injected with a. suum wwe, proteos ... | 1991 | 1871154 |
| nonspecific immunomodulation influences resistance of mice to experimental infection with mesocestoides corti and ascaris suum. | the influence of nonspecific immunomodulation on the course of experimental infection was examined in larval cestodosis (mesocestoides corti) and ascaridosis (ascaris suum) in mice. immunosuppressive treatment (with azathioprine or hydrocortisone) resulted in a decrease of resistance in both models. the subsequent administration of t-activin to immunosuppressed mice led to the restoration of resistance to a level equal to that of untreated control mice. the administration of different immunomodu ... | 1991 | 1880386 |
| in vitro effect of larval stages of ascaris lumbricoides on human blood clotting. | the effects of larval stages of ascaris lumbricoides on human blood clotting was studied in vitro. extracts and excretory/secretory products of third-stage larvae (l3) and late third-stage larvae (ll3) cultured from ova obtained from infected patients were analysed for anti-coagulant activity. prothrombin time (pt) was prolonged by the addition of either whole extract of l3/ll3 or es products of l3/ll3 as compared to controls. partial thromboplastin time with kaolin (pttk) was also prolonged on ... | 1991 | 1880387 |
| factors influencing the egg production of ascaris lumbricoides: relationship to weight, length and diameter of worms. | fifty children aged 6 to 13 years and infected with ascaris lumbricoides were selected for the study. the number of eggs laid daily by a female ascaris increased with increase in its length, weight and diameter. female worms became mature and started laying eggs when they reached a length of 118 mm. adult female worms measuring 3.7 mm or more in diameter were found to be mature. the minimum weight of a worm producing eggs was 1.1 g. on average the number of eggs produced by the female decreased ... | 1991 | 1880388 |
| [intestinal parasites in primary schools of different socioeconomic status and environmental conditions]. | two hundred ninety-four stool sample obtained from primary schools of different social status and environmental conditions were examined for intestinal parasite. the age range was between seven and 13 years, 43% of the patients were females and 57% of the patients were males. in our study it has been observed that the parasite incidence was 29.3%. the predominant parasite was giardia intestinalis (15.7%). enterobius vermicularis (10.5%) and ascaris lumbricoides (2.3%) have been followed respecti ... | 1991 | 1881360 |
| geohelminth infection and academic assessment in jamaican children. | | 1991 | 1887491 |
| trichinella spiralis: a 76-kda excretory/secretory larval antigen identified by a monoclonal antibody. | spleen cells from balb/c mice were fused with myeloma cells following infection of the mice with trichinella spiralis larvae and an ip booster injection with larval homogenate antigen. a monoclonal antibody (mab), designated as ts 3g6 which did not react with sera or tissue extracts from noninfected mice, rats, and guinea pigs, was selected for further studies because of its high activity and specificity. when tested in elisa ts 3g6 did not cross-react with ascaris suum, a. lumbricoides, toxocar ... | 1991 | 1889470 |
| trichinella spiralis: light microscope monoclonal antibody localization and immunochemical characterization of phosphorylcholine and other antigens in the muscle larva. | a panel of monoclonal antibodies was used to examine the structure of the muscle larva of trichinella spiralis under the light microscope. immunofluorescence and, in some cases, immunoperoxidase staining were used. all four antibodies reacted with the cuticle of the organism, although differences in the staining pattern were observed for some of these. interestingly, all the antibodies also reacted with the stichosome. one of the antibodies (ts2ab) is specific for the hapten, phosphorylcholine. ... | 1991 | 1889472 |
| detection of wuchereria bancrofti specific antigens in the serum of endemic residents. | a sandwich enzyme-linked immunosorbent assay (s-elisa) is developed for detecting circulatory antigens in individuals infected with wuchereria bancrofti in an endemic area using antibody (ig) against excretory-secretory-metabolic antigens of the microfilariae raised in rabbit (anti-mf-esm) and labelled with alkaline phosphatase (esm-ig-conjugate). an optical density reading of a sample greater than 0.075 (after subtracting the background) was taken as positive in the s-elisa. when homologous (wb ... | 1991 | 1896764 |
| a seroepidemiologic survey of human dirofilariosis in western spain. | the objective of this work is to define the prevalence of igm and igg antibodies against dirofilaria immitis in an exposed human population. 395 individuals attending primary care facilities in an area endemic with canine dirofilariasis were studied, as well as 100 non exposed individuals. an elisa method was used for the detection of igg and igm antidirofilarial antibodies. sera were preadsorbed with antigens of toxocara canis, ascaris suum, echinoccocus granulosus and fasciola hepatica to prev ... | 1991 | 1896765 |
| airway blood flow modifies allergic airway smooth muscle contraction. | we tested the hypothesis that airway perfusion modifies the contractile response of airway smooth muscle to allergen challenge by influencing the clearance of locally released spasmogens. in six intact, lightly sedated, sheep allergic to ascaris suum, we measured tracheal mucosal blood flow (qtr) with a soluble gas uptake method and tracheal dead space (vtr), an index of airway smooth muscle tone, by helium dilution before and serially after local aerosol challenge with a. suum extract or ragwee ... | 1991 | 1905892 |
| tropical surgical abdominal emergencies: acute intestinal obstruction. | in a prospective evaluation of acute intestinal obstruction in emergency surgery, 3550 consecutive patients were studied. in the vast majority of patients (75%), obstruction was due to the external hernia, the inguinal hernia being by far the commonest type. however, the ascaris worm in children, volvulus of the sigmoid colon in adults, and intussusception in both children and adults, were significant causes of the disorder, and together accounted for 18% of the patients. obstruction by the asca ... | 1991 | 1908626 |
| a field study of the effect of ivermectin on intestinal helminths in man. | a single stool specimen from each of 904 villagers participating in a placebo-controlled trial of ivermectin for onchocerciasis was examined for intestinal helminths by the formol-ether technique. ivermectin had a significant effect on ascaris infection, reducing prevalence and intensity for at least 3 months, but rapid reinfection occurred. there was no significant effect on trichuris, necator or schistosoma mansoni infections. incidental strongyloides infections were not seen commonly in this ... | 1991 | 1909471 |
| [livestock manure as a vector for parasites--a report of experiences]. | analysing the results of own investigations and informations in literature a review is given about the role of manure specially in stables of high-intensity cattle and pig production as a vector for exogenic parasite stages. in the course of investigations--in most cases simulating practice conditions--so-called indicator germs were used as test material. in cattle stables manure is significant as a vector for eimeria species, cryptosporidium parvum, sarcocystis species, taenia saginata and fasc ... | 1991 | 1914947 |
| molecular symmetry and arrangement of subunits in extracellular hemoglobin from the nematode ascaris suum. | the arrangement of subunits and molecular symmetry of extracellular hemoglobin from the nematode ascaris suum, an 11.7s molecular of molecular mass 332 kda and composed of eight identical subunits, was studied. dissociation of the molecule at alkaline and acid ph yielded 4.6s and 2.7s components, identified as polypeptide-chain dimers and monomers, respectively. cross-linking with glutardialdehyde followed by sds/page resulted in a maximum number of eight bands identified in order of decreasing ... | 1991 | 1915360 |
| ascaris suum: stage-specific differences in lectin binding to the larval cuticle. | a glycosylated component with affinity for wheat germ agglutinin (specific binding to n-acetyl-d-glucosamine monomers and oligomers) and weak affinity for poke weed mitogen (specific binding to n-acetyl-d-glucosamine oligomers) was detected temporally on the surface of ascaris suum larvae developing in vitro and on in vivo-derived larvae. the component was identified on the surface of in vitro-derived late second stage larvae, on all late third stage larvae (derived from pig lung), and all fourt ... | 1991 | 1915752 |
| intestinal parasites: a study of human appendices. | histological sections of 414 appendices were examined parasitologically. enterobius vermicularis was found in 8.7%, eggs of ascaris lumbricoides in 0.5%, trophozites of dientamoeba fragilis in 4.8%, endolimax nana in 2.2%, entamoeba coli in 1% and cysts of giardia intestinalis in 1.9% of cases. appendicopathies associated with enterobius were most frequent in the age group from 6 to 10 years (24.3%) and from 21 to 25 years (12.2%). patients older than 15 years were practically women only. dienta ... | 1991 | 1916531 |
| modes of transmission for ascaris lumbricoides and trichuris trichiura among chinese children in macao city. | to obtain more information on the transmission of ascaris lumbricoides and trichuris trichiura in macao city, 308 chinese children were surveyed. the infection rates of a. lumbricoides and t. trichiura were 14.9 and 6.8%, respectively. there was no association between the infections. a. lumbricoides infection was associated with age and t. trichiura with new immigrants from china. no association was found between the infections and family socio-economic factors. the results suggest that the mode ... | 1991 | 1917289 |
| the pharmacology of cholinoceptors on the somatic muscle cells of the parasitic nematode ascaris suum. | 1. acetylcholine (ach) elicited depolarization and an increase in input conductance of the somatic muscle cells of the parasitic nematode ascaris suum. 2. the relative potency of nicotinic and muscarinic agents was studied in this preparation. the order of potency of these compounds was metahydroxy-phenylpropyltrimethylammonium (hppt) greater than 1.1 dimethyl-4-phenylpiperazinium (dmpp) greater than ach greater than carbachol greater than nicotine greater than tetramethylammonium (tma+) greater ... | 1991 | 1919416 |
| pharmacological properties of moringa oleifera. 1: preliminary screening for antimicrobial activity. | the antimicrobial activities of moringa oleifera leaves, roots, bark and seeds were investigated in vitro against bacteria, yeast, dermatophytes and helminths pathogenic to man. by a disk-diffusion method, it was demonstrated that the fresh leaf juice and aqueous extracts from the seeds inhibit the growth of pseudomonas aeruginosa and staphylococcus aureus and that extraction temperatures above 56 degrees c inhibited this activity. no activity was demonstrated against four other pathogenic gram- ... | 1991 | 1921416 |
| human gastro-intestinal parasites in bendel state, nigeria. | faecal samples from 862 male and female donors of nine age groups (1-90 years) in three geographical zones were screened by the examination of concentrates from formal other concentration technique. the overall percentage incidence of six parasites which were encountered were as follows: entamoeba coli (19.7%), e. histolytica (3.9%), giradia lamblia (1.4%), hookworm (29.4%), ascaris lumbricoides (38.2%) and trichuris trichiura (7.3%). however, the percentage incidence of parasites in the delta m ... | 1991 | 1928804 |
| intestinal worm burden and serum cholesterol or lipid concentration in a shipibo population (peru). | paired samples of stool and serum of 32 members of the shipibo tribe resident in the rain forest of the peruvian lowlands were tested for worm egg count and serum lipid parameters, respectively. 90% of the stool samples tested were found to contain eggs or larvae of several worm species, most commonly 3 or 4 different species. serum lipid levels were found to be relatively low, most probably due to a low proportion of dietary fat ranging from 16-31%. statistical analysis showed a significant inv ... | 1991 | 1930580 |
| new telomere formation after developmentally regulated chromosomal breakage during the process of chromatin diminution in ascaris lumbricoides. | during the process of chromatin diminution, which takes place in all presomatic cells of the early ascaris embryo, the heterochromatic termini of the chromosomes are lost. here we show that the newly formed ends of the reduced somatic chromosomes carry tandem repeats of the telomeric sequence ttaggc. comparison of a cloned somatic telomere with the corresponding germline chromosomal region revealed that these telomeric repeats are not present at or near the chromosomal breakage site. they are mo ... | 1991 | 1934070 |
| t-cell-dependent accumulation of eosinophils in the lung and its inhibition by monoclonal anti-interleukin-5. | the transnasal administration of an extract of the parasite ascaris suum to c57bl/6 mice for 3 weeks produced marked eosinophilia in the bronchoalveolar lavage (bal) fluid. the oral administration of ciclosporin significantly suppressed the pulmonary eosinophilia. athymic c57bl/6-nu/nu mice failed to develop pulmonary eosinophilia. these data indicate that the pulmonary eosinophilia caused by this parasite extract is t-cell-dependent. genetically mast-cell-deficient (wb x c57bl/6) f1-w/wv (w/wv) ... | 1991 | 1937869 |
| metabolism and fate of ecdysteroids in the nematodes ascaris suum and parascaris equorum. | when injected with [3h]ecdysone and maintained in vitro, the parasitic nematodes, ascaris suum and parascaris equorum each produced a series of polar and relatively apolar metabolites. a. suum metabolised the compound into ecdysonoic acid ([3h]eoic), ecdysone 25-glucoside ([3h]e25gluc), putative ecdysone 22-phosphate ([3h]e22p) and a series of at least six relatively apolar metabolites. all of these, except ecdysonoic acid, were hydrolysed by a crude enzyme preparation from helix pomatia, releas ... | 1991 | 1944416 |
| reinfection and infection rates of soil-transmitted-helminths in kemiri sewu, yogyakarta, indonesia. | a study on the reinfection and infection rates of soil-transmitted helminths was conducted in kemiri sewu, godean district, sleman regency, yogyakarta special province, indonesia, from august 1988 to june 1990. a total 61 individuals rendered ascaris lumbricoides egg-negative by drug treatment were used in the reinfection study and 412 individuals found negative for ascaris eggs in the pretreatment stool examination were used for the infection rate study. in both groups, children had higher and ... | 1991 | 1948282 |
| a comparison of the role of musca domestica (linnaeus) and chrysomya megacephala (fabricius) as mechanical vectors of helminthic parasites in a typical slum area of metropolitan manila. | a total of 1,016 flies (508 each for musca domestica and chrysomya megacephala) were collected from a typical urban slum area (barangay 51, pasay city, metropolitan manila) in the philippines and examined for the presence of helminth ova attached to their external surfaces. a significantly greater proportion of c. megacephala (41.9%) was found positive compared to m. domestica (9.4%). c. megacephala also exhibited a significantly higher average egg load (11.9 eggs per positive fly) than m. domes ... | 1991 | 1948283 |
| synthesis and biological activity of a series of diaryl-substituted alpha-cyano-beta-hydroxypropenamides, a new class of anthelmintic agents. | a series of alpha-cyano-beta-hydroxypropenamides was prepared and tested for anthelmintic activity. alpha-cyano-beta-hydroxy-n-[4- (trifluoromethyl)phenyl]-3-[4-(trifluoromethyl)phenyl]propenamide (1) showed good activity against the nematode nematospirodes dubius in a mixed parasite infection in mice; several of the analogues were also effective against the cestode hymenolepis nana. in sheep trials, 1 caused 100% reduction of the hematophagous nematode haemonchus contortus after a single dose o ... | 1991 | 1956049 |
| intestinal parasitic infestation in pediatric gastroenterology outpatient clinic dr. pirngadi hospital medan. | a retrospective study had been done at the outpatient clinic sub division of pediatric gastroenterology, dr. pirngcdi hospital medan, comprising patients from 1 january 1985-31 december 1987. there were 874 patients. three hundred seventy eight (43.25%) patients consisting of 210 (55.56%) males and 168 (44.44%) females had intestinal parasitic infestations. the youngest patient was 5 months and the oldest was 14 years and 3 months. ascaris lumbricoides was found in 215 patients (24.60%) while tr ... | 1991 | 1956691 |
| humoral immune responses in human infection with the whipworm trichuris trichiura. | the humoral immune response to infection with trichuris trichirua was investigated by elisa and immunoblotting using human sera from the caribbean island of st lucia. immunoblot analysis of the degree of cross-reactivity with the related trichuroid trichinella spiralis and with the other commonly co-existent nematodes, ascaris lumbricoides and toxocara canis, was carried out using selected sera. the igm, iga, ige, and igg subclass antibody levels were measured in elisa using a detergent solubili ... | 1991 | 1956697 |
| performance of pigs with mixed nematode infections before and after ivermectin treatment. | ninety crossbred parasitized pigs were used in two controlled experiments to compare performance before and after ivermectin treatment. four groups of 15 pigs were sequentially infected with 2000 ascaris suum, 10,000 oesophagostomum spp. and 10,000 strongyloides ransomi beginning at average pig weights of either 38 kg (experiment i) or 14 kg (experiment ii). two infected groups of pigs were treated with ivermectin on day 34 (experiment i) or 37 (experiment ii) of the experiments and all pigs wer ... | 1991 | 1957485 |
| late phase bronchial and vascular responses to allergen in actively-sensitized pigs. | | 1991 | 1957704 |
| the possible role of prostaglandin d2 in the long-lasting airways vasodilatation induced by allergen in the sensitized pig. | allergen-induced nasal and bronchial vasodilatation and bronchoconstriction were studied in ascaris-sensitized pigs with and without pretreatment with diclofenac sodium, to evaluate the contribution of prostanoids in these responses. the bronchoconstriction induced by allergen aerosol challenge was enhanced by diclofenac, whereas the duration of the bronchial vasodilatation was reduced from 80 to 30 min, without changing the maximal effect. however, both the maximal effect and the duration of th ... | 1991 | 1957709 |
| the genetic code of a squid mitochondrial gene. | cytochrome oxidase subunit i gene of a squid (mollusca), doryteuthis mitochondrial genome was sequenced. comparison with the nucleotide sequence and the deduced amino acid sequence of other animal mitochondria suggests that the squid mitochondria has a variation in the genetic code; uga codes for tryptophan, aua for methionine and aga/g for serine. this situation is similar to the case of drosophila or ascaris mitochondria. | 1990 | 1966293 |
| cloning and analysis of three new homeobox genes from the nematode caenorhabditis elegans. | three homeobox-containing genes from the nematode caenorhabditis elegans are described. two of them (ceh-11 and ceh-12) were isolated from a genomic library by hybridization at low stringency with the ascaris lumbricoides homeobox ahb-1. the first clone contains a homeobox defining a new class of homeoboxes (ceh-11). this gene maps on the third chromosome of c. elegans, at the same locus as egl-5, a gene already known to be essential for the determination of specific neurons. in the second clone ... | 1990 | 1970877 |
| mucociliary interaction in vitro: effects of physiological and inflammatory stimuli. | mucociliary transport in the airways is governed by the interaction between ciliary activity and the depth and rheological properties of the liquids (mucus) covering the epithelial surface. a change in one of these parameters may not predict the direction and magnitude of a concomitant change in mucociliary transport. we therefore determined the effects of physiological (neurotransmitters) and pathological (inflammatory mediators) stimuli on ciliary beat frequency (cbf), surface liquid velocity ... | 1990 | 1971819 |
| hepatobiliary and pancreatic ascariasis in india. | 500 patients with hepatobiliary and pancreatic disease due to ascaris lumbricoides infection were studied. 274 patients had duodenal ascariasis, 171 biliary ascariasis, 40 hepatic ascariasis, 8 gall bladder ascariasis, and 7 pancreatic ascariasis. five clinical presentations were recognised: acute cholecystitis (64 patients), acute cholangitis (121), biliary colic (280), acute pancreatitis (31), and hepatic abscess (4). ascarides in the duodenum (which were seen to invade only the ampullary orif ... | 1990 | 1972440 |
| effect of dietary zinc on larval burdens, tissue eosinophil numbers, and lysophospholipase activity of ascaris suum infected mice. | the effect of dietary zinc on larval burdens, tissue eosinophil numbers, and lysophospholipase (lpl) activity in the lungs and livers of balb/c mice infected with ascaris suum was evaluated. a suum larval numbers were increased in both liver and lungs in low zinc groups during primary and secondary infection as assessed at days 2 and 7 after egg administration. in the same groups, lpl activity and eosinophil numbers were reduced at both time points and in both tissues, with the exception of lung ... | 1990 | 1973021 |