Publications

multiple roles for sr proteins in trans splicing.	the trans-splicing reaction involves the association of 5' and 3' splice sites contained on separate transcripts. the mechanism by which these splice sites are juxtaposed during trans-spliceosome assembly and the role of sr proteins at each stage in this process have not been determined. utilizing a system that allows for the separation of the rna binding and rs domains of sr proteins, we have found that sr proteins are required for at least two stages of the trans-splicing reaction. they are im ...	2002	12101229
intestinal parasitoses among wayampi indians from french guiana.	intestinal parasitism and its epidemiological characteristics were studied in an isolated amerindian population from upper oyapock (french guiana) that has retained its traditional social and cultural specificities. this population consisted of 138 wayampi indians, 68 adults and 70 children (below the age of 15 years), with a sex ratio (m/f) of 0.86, spread over the four villages of the community of trois sauts, corresponding to more than two thirds of the population recorded as inhabiting the s ...	2002	12116863
intestinal parasitic infection among five interior communities at upper rejang river, sarawak, malaysia.	intestinal parasitic infection among five interior communities at bakun valley, upper rejang river, sarawak, malaysia, was investigated as part of a public health impact assessment of the proposed us$ 3 billion bakun hydroelectric project. coproparasitological examination of 355 stool samples from 7 of 16 villages representing 5 of 7 tribes in the area revealed infection rate of 41%. a higher infection rate was found among the settled kayans (56%) than the seminomadic penans (29%). infection rat ...	2002	12118449
comparison of the structures of natural and re-established populations of ascaris in humans in a rural community of jiangxi, china.	to compare the structures of natural and re-established populations of ascaris in humans, universal (mass) chemotherapy was carried out at the beginning and the end of the study year using pyrantel pamoate. worms expelled within 48 h of treatment were collected, their sex determined, and measurements made of length, width and weight. length was used as the criterion for estimating the developmental stage of the worms. in comparison with the natural population, the reestablished population displa ...	2002	12118720
can the efficacy of bacille calmette-guérin tuberculosis vaccine be affected by intestinal parasitic infections?		2002	12134245
nasogastric tube obstruction by ascaris lumbricoides.		2002	12139168
development of antigen detection elisa for the diagnosis of brugian and bancroftian filariasis using antibodies to recombinant filarial antigens bm-sxp-1 and wb-sxp-1.	antibodies specific to recombinant filarial antigens wb-sxp-1 and bm-sxp-1 have been used to develop a sandwich elisa for the detection of circulating filarial antigen (cfa) in sera from patients with lymphatic filariasis caused by wuchereria bancrofti of brugia malayi. in patients with w. bancrofti infections, a high proportion of microfilaria (mf) positive (mf) and low proportions of patients with chronic pathology (cp) and endemic normals (en) showed the presence of cfa. similarly in patients ...	2002	12139392
relationship between protein-energy malnutrition, vitamin a, and parasitoses in living in brasília.	it is still controversial whether intestinal parasitic infections can influence the nutritional status of children. the relationship between protein-energy malnutrition, vitamin a and parasitic infections was evaluated in 124 children. the food intake estimated by recall method was generally low and poor. seventy five percent of the children were infected with intestinal parasites. the mean+/-sd weight-for-age and height-for-age z-score were skewed one standard deviation to the left, when compar ...	2002	12011921
roundworm in the bile duct.		2002	12024153
efficacy of co-administration of albendazole and diethylcarbamazine against geohelminthiases: a study from south india.	the efficacy of single-dose combination drug therapy with diethylcarbamazine (dec) plus albendazole (alb), and single-drug therapy with dec alone against geohelminths was compared as part of a mass drug administration (mda) for elimination of filariasis. this study was conducted in two blocks of villupuram district of tamil nadu state, india, covering a population of 321 000 including about 100 000 children 1-15 years of age. prevalence and intensity of geohelminth infection were determined by t ...	2002	12031078
ascaris lumbricoides infection is associated with increased risk of childhood asthma and atopy in rural china.	there is growing international interest in the possible relationships between helminthic infection and allergic disease, although the nature of the relationships remains uncertain and controversial. the interrelationships of current and past infection with ascaris lumbricoides and asthma and atopy were investigated in a cross-sectional sample of 2,164 children between the ages of 8 and 18 years from anqing province, china. the children were sampled from a larger family-based study of the genetic ...	2002	12045121
p system epithopes in ascaris lumbricoides.		2002	12048551
the endoparasites of sheep and goats, and shepherd in north sinai governorate, egypt.	examination of sheep and goats in four areas in north sinai revealed an overall infection of 12.70% with fasciola species, 11.8% with paramphistomum cerve, 12.80% with moniezia expansa, 47.11% with trichostrongylus colubriformis, 4.59% trichuris ovis and 44.85% coccidia. the highly infected sheep and goats were diagnosed in el hassanah center (90.49%), followed by al arish city (87.31%), then rafah city (74.39%), and lastly bir al abd (54.71%). the elevation of the overall percent of infection i ...	2002	12049248
serum ferritin, alpha-tocopherol, beta-carotene and retinol levels in lymphatic filariasis.	based on a cross-sectional study conducted among 100 adults in 1993 in tanga, tanzania, the relationship between wuchereria bancrofti infection and markers of iron, vitamin a and vitamin e status was assessed. potential predictors assessed were elephantiasis, hydrocoele, w. bancrofti microfilaria intensity and antigen concentration, and intensity of schistosoma haematobium, hookworm, trichuris trichiura and ascaris lumbricoides infection, while controlling for age, sex and elevated serum alpha-1 ...	2002	12055804
evaluation of two years of mass chemotherapy against ascariasis in hamadan, islamic republic of iran.	to evaluate the mass treatment of ascariasis in rural areas of hamadan province, islamic republic of iran.	2002	12077616
are intestinal helminths a risk factor for non-typhoidal salmonella bacteraemia in adults in africa who are seropositive for hiv? a case-control study.	in africa, invasive, non-typhoidal salmonella (nts) infections are a common but life-threatening complication in adults who are seropositive for hiv. the high prevalence of human infection with intestinal helminths which penetrate the gut could explain the greater importance of nts bacteraemia in africa compared with that in industrialized countries. if helminth infection is a major risk factor for nts it would provide a locally relevant, public-health target. intestinal helminth carriage in 57 ...	2002	12080982
infection with schistosoma mansoni correlates with altered immune responses to ascaris lumbricoides and hookworm.	studies were performed on humoral and cellular immune responses of patients from areas in brazil endemic for hookworm and ascaris lumbricoides, and either endemic or non-endemic for schistosoma mansoni. humoral and cellular responses were evaluated by enzyme-linked immunosorbant assay (elisa) and peripheral blood mononuclear cell (pbmc) proliferation assays against larval hookworm antigens, a. lumbricoides egg antigens, and soluble egg antigens (sea) or soluble whole adult antigenic preparation ...	2002	12088853
spatial and intensity-dependent variations in associations between multiple species helminth infections.	estimated associations between infections with different helminth species can be used to predict the proportion of a population infected with multiple species infections. this is an important measure of disease burden, as those with multiple infections are often at an increased risk of morbidity. in this paper, we investigate variation amongst the estimated associations between ascaris lumbricoides, trichuris trichiura and hookworm, over a number of different spatial levels among schoolchildren ...	2002	12088855
intestinal parasites among young children in the interior of guyana.	intestinal parasites contribute greatly to morbidity in developing countries. while there have been several studies of the problem in the caribbean, including the implementation of control programmes, this has not been done for guyana. the aim of this study was to determine the prevalence of intestinal parasites among young children in a town located in the interior of guyana. eighty-five children under the age of 12 years were studied prospectively for intestinal parasites in mahdia, guyana. st ...	2002	12089870
genes on chromosomes 1 and 13 have significant effects on ascaris infection.	nematode parasites show a characteristic aggregated distribution among hosts. this observation has important implications for pathogenesis, immunology, and control of these infections, but the relative roles of environment and genetics in determining these patterns have remained uncertain. this paper presents the results of the first genome scan for susceptibility to infection with roundworm (ascaris lumbricoides). data on 375 genetic markers were generated for each of 444 members of a genetical ...	2002	11960011
familial hyperamylasemia.	a 7-year-old white boy was referred to us with a history of 3 attacks of hypogastric pain over the previous 2 years and persistently elevated serum amylase concentrations. at physical examination, he was well with no evidence of clinical abnormalities. his weight and height were normal. laboratory diagnostic investigations were all normal except for the presence of ascaris lumbricoides in the feces and persistently elevated serum amylase levels. serum amylase determinations in the family members ...	2002	11981589
[ivermectin, a broad spectrum antiparasitic drug].	activity: ivermectine, derived from beta avermectines, monocyclic lactones produced by streptomyces avermitilis, is a potent oral microfilaricide used by veterinaries since 1981. the anti-filarial activity is two-fold: both microfilaricide and embryotoxic in female adults; it has no activity on the latter. indications: ivermectine is the treatment of choice in onchocercosis, induced by the nematode onchocerca volvulus, and was included in the onchocercosis control program (programme de contrôle ...	2002	11984984
intestinal helminths in relationship to chronic diarrhoea in human immunodeficiency virus-seropositive adults in enugu.	human immunodeficiency virus (hiv) infection and intestinal helminthiasis are common conditions in nigeria. chronic diarrhoea is a common manifestation of acquired immune deficiency syndrome ( aids). helminths such as strongyloides stercoralis and trichuris trichiura may cause chronic diarrhoea especially in immunocompromised individuals. in order to determine whether any relationship exists between hiv infection and intestinal helminthiasis, stool samples from all hiv seropositive adults (with ...	2002	12163880
intestinal parasitic infections in young children in são paulo, brazil: prevalences, temporal trends and associations with physical growth.	the prevalences of intestinal parasitic infections were investigated, between 1995 and 1996, in a household-based sample of 1044 children aged <5 years who lived in the city of são paulo, brazil. only 10.7% of the children were infected, the most prevalent parasites being giardia duodenalis (5.5%), ascaris lumbricoides (4.4%) and trichuris trichiura (1.0%). a comparison between these data and results from two previous population-based surveys, completed in são paulo in 1974 and 1985, revealed a ...	2002	12194711
lung-stage protein profile and antigenic relationship between ascaris lumbricoides and ascaris suum.	the protein profile and antigenic properties of lung-stage larvae of ascaris lumbricoides and a. suum were studied using 2-dimensional electrophoresis and immunoblot analysis, respectively. the protein profiles of the 2 parasites were identical except for the presence of only 1 major protein spot specific for each. there was a complete cross-reactivity between the 2 parasites at the immunological level, and no specific antigen was recognized using specific antibody raised against the 2 parasites ...	2002	12197147
species-specific proteins identified in ascaris lumbricoides and ascaris suum using two-dimensional electrophoresis.	the protein profile of adult female ascaris lumbricoides and ascaris suum originating from humans and pigs, respectively, was studied using two-dimensional polyacrylamide gel electrophoresis. six different major protein spots specific for a. lumbricoides were identified irrespective of their geographical origin and no major specific spot was encountered in a. suum. no major differences in the protein profiles between the extract by phosphate-buffered saline and urea were encountered for either a ...	2002	12172821
imaging of ascaris lumbricoides in the common bile duct and small intestine.		2002	12173888
ascaris lumbricoides among children in rural communities in the northern area, pakistan: prevalence, intensity, and associated socio-cultural and behavioral risk factors.	the prevalence and intensity of ascaris lumbricoides in 492 children from five rural villages in the northern area of pakistan was examined. the overall prevalence of a. lumbricoides was 91% (95%ci 88.6-93.6) with geometric mean (gm) egg count intensities of 3985 eggs per g (epg). the most intense a. lumbricoides infections were found in children aged 5-8 years. we also investigated selected socio-cultural and behavioral variables for a. lumbricoides infections that might be relevant for the des ...	2002	12204395
[prevalence and risk factors associated with intestinal parasitoses in pregnant women and their relation to the infant's birth weight].	to determine the prevalence and the risk factors associated with intestinal parasitosis in pregnant women and the relation with the newborns.	2002	12221909
evaluation of an immunochromatographic dip-strip test for the detection of cryptosporidium oocysts in stool specimens.	the study presented here examined the efficacy of a commercially available qualitative immunochromatographic assay for detecting cryptosporidium oocysts in stool samples. a total of 75 samples were tested, including 50 positive for cryptosporidium spp. by acid-fast stain, 20 positive for other parasites ( blastocystis hominis, endolimax nana, entamoeba coli, giardia lamblia, ascaris lumbricoides, strongyloides stercoralis and trichuris trichiura), and five negative samples. the observed sensitiv ...	2002	12226697
intestinal helminthiases and their control with albendazole among primary schoolchildren in riverine communities of ondo state, nigeria.	a study to establish the prevalence of intestinal helminthiases among schoolchildren of riverine communities in the ilaje-ese odo local government area of ondo state, nigeria was conducted. ninety-four percent of the children studied were infected with intestinal helminths. trichuris trichiura infection was the commonest (84%), followed by ascaris lumbricoides (75.3 %) and hookworm (7.6 %). dual helminthic infections were recorded, with ascaris-trichuris having the highest prevalence among the c ...	2002	12236414
a cross-sectional study of intestinal parasitic infections among schoolchildren in nan province, northern thailand.	a cross-sectional study of the prevalence of intestinal parasitic infections at eight schools in bo klau district and four schools in chalerm prakiet district, nan province, in january and february, 2001. a total of 1,010 fecal samples were examined using the formalin-ether sedimentation technique. results revealed that the rate of helminthic infection was 60.0%, while protozoa accounted for 36.2% of infections; mixed infections were common, resulting in a total prevalence of both parasites of 6 ...	2002	12236415
soil transmitted helminth (sth) infections in an indigenous community in ortigueira, paraná, brazil and relationship with its nutritional status.	within the frame of world health organisation (who) guidelines for the control of soil transmitted helminth (sth) infections, a baseline survey has been conducted in queimadas indian schoolchildren (group a) as compared with urban schoolchildren (group b), both located in ortigueira, paraná, brazil, with the aim of orientating investigations. in an opportunistic study, the possible relationship between sth infection and nutritional status has been investigated. a total of 236 schoolchildren aged ...	2002	12701374
a comparative study of the intestinal parasites prevalent among children living in rural and urban settings in and around chennai.	a comparative analysis of the various intestinal parasites detected among children attending schools was carried out in a rural and urban location in and around chennai. a total of 324 stool samples were examined by routine microscopy using normal saline and lugol's iodine preparation as well as by saturated sodium chloride flotation technique. all suspicious samples were subjected to zinc sulphate concentration technique as well as modified ziehl neelson stain and trichrome stains to identify t ...	2002	12718339
intestinal parasites in children with diarrhea in delhi, india.	the parasitic causes of diarrhea in children in delhi were determined by the direct smear technique; stool specimens of 127 children were examined for intestinal parasites. in 59 cases (46.5%) intestinal helminths and protozoa were demonstrated. ascaris lumbricoides was observed in 1 (0.8%) case, while trichuris trichiura was the finding in 3 (2.4%). protozoal parasites included giardia intestinalis and entamoeba histolytica in 14 (11%) cases each, balantidium coli in 3 (2.4%) cases and cryptosp ...	2002	12757217
[intestinal helminthiasis in street population of rio de janeiro city].	stool examination by sedimentation method in 82 homeless individuals living in the streets of rio de janeiro city, revealed ascaris lumbricoides eggs in 40 (48.85%), trichuris trichiura in 27 (32.9%) and hookworm in 7 (8.5%).	2002	12621677
effect of water supply and sanitation on the prevalence and intensity of ascaris lumbricoides among pre-school-age children in ajebandele and ifewara, osun state, nigeria.	the relationship between ascaris lumbricoides infection and provisions for safe water supply and excreta disposal was investigated in ajebandele and ifewara, 2 peri-urban communities near ile-ife, osun state, nigeria, from september 1998 to december 1999. although there were more facilities for safe water supply (pipe-borne and shallow wells) and sanitation (flush toilets and pit latrines) in ajebandele than in ifewara, they were not evenly distributed and only a few families, mainly in ajebande ...	2002	12625131
evaluation of the efficacy of pyrantel-oxantel for the treatment of soil-transmitted nematode infections.	a randomized controlled trial comparing the efficacy of pyrantel-oxantel (10 mg/kg) with mebendazole (500 mg) was performed on 1329 schoolchildren aged 6-9 years on pemba island in september-october 2000 to evaluate alternative single-dose drugs for regular treatment of intestinal nematode infections. both mebendazole and pyrantel-oxantel were very effective in eliminating ascaris lumbricoides infection, inducing cure rates of more than 96% and reducing the mean egg counts by more than 95%. both ...	2002	12625151
intestinal parasitic infections in bekasi district, west java, indonesia and a comparison of the infection rates determined by different techniques for fecal examination.	this study was undertaken to determine the current status of intestinal parasitic infections among schoolchildren in west java, indonesia, and to compare the infection rates obtained by three different methods of fecal examination. a total of 285 fecal samples were collected from 131 males and 154 females at a junior high school. samples were brought to the department of parasitology, faculty of medicine, university of indonesia, and were examined for parasites by the kato-katz thick smear metho ...	2002	12693577
cellular responses and cytokine profiles in ascaris lumbricoides and trichuris trichiura infected patients.	the impact of intestinal helminth infection, i.e. ascaris lumbricoides and trichuris trichiura, on cellular responsiveness and cytokine production was investigated in young adults. ascaris-specific cellular responsiveness was higher in parasite-free endemic controls than in patients infected with t. trichiura, or a. lumbricoides, or patients co-infected with both parasites. also, mitogen-induced tumour necrosis factor (tnf)-alpha, interleukin (il)-12 and interferon (ifn)-gamma secretion by perip ...	2002	12694600
human toxocariasis and ascariasis: concomitant parasitism in srinagar, kashmir, india.	human toxocariasis caused by toxocara canis is common in both developing and developed countries and leads to visceral larva migrans with high morbidity and mortality. ascariasis caused by ascaris lumbricoides, too has global distribution and in india, high prevalence rate has been reported in kashmir (j & k state). both nematode parasites, toxocara canis and a. lumbricoides require similar biological and environmental conditions for the development of eggs in soil. therefore, the present study ...	2002	12785174
"doc, there's a worm in my stool": munchausen parasitosis in a returning traveler.	although delusional parasitosis is frequently diagnosed by travel medicine and infectious disease specialists, factitious illness/munchausen syndrome is extremely rare.	2002	12962590
[prevalence of intestinal parasitis at the king baudouin health center of guediawaye (senegal)].	a prospective study carrying on 302 samples of stools of aged children of 0 to 15 years has been achieved between january 02 and april 11 2001 in the center of health roi baudouin of guediawaye (senegal) to appreciate the prevalence of intestinal parasitis. for every child, we made a scotch test, a macroscopic exam of stools and a microscopic exam to the direct analysis and after concentration by the method of ritchie simplified. the global prevalence is 56,62%. ascaris lumbricoides arrived in h ...	2002	15776669
[risk factors for iron-deficiency anemia in children and adolescents with intestinal helminthic infections].	to investigate risk factors for iron-deficiency anemia in children and adolescents (7 to 17 years of age) with intestinal helminthic infections.	2003	14769159
human helminthiasis in wondo genet, southern ethiopia, with emphasis on geohelminthiasis.	a parasitological survey was made in 1999 and 2002 to determine the magnitude of geohelminthiasis (soil-transmitted helminthiasis) and generate reference baseline helminthological data for wondo genet area, southern ethiopia. stool specimens were collected using kato technique from 3167 schoolchildren, 92 schoolteachers, and 1160 residents of two peasant associations (pas) and microscopically examined. the prevalence of infection for ascaris lumbricoides and trichuris trichiura among schoolchild ...	2003	15296415
pancreatitis due to ascaris lumbricoides, a case report.	ascaris is the 2nd commonest intestinal parasite world-wide. although infection can pass asymptomatic, some can present with complications. the reported case is a syrian female patient presented with acute on top of chronic pancreatitis due to a. lumbricoides. she received ascaris treatment every 6 months but still having eggs in stool due repeated infections.	2003	14708843
the role of parasites in acute appendicitis of pediatric patients.	there is little evidence regarding the relationship between parasites and acute appendicitis. in order to determine such a relationship, if any, 830 appendectomy specimens were studied. age, sex, pathological findings and the presence and type of parasites and the type of parasite were analyzed. parasites were present in 62 cases (7.46%). ascaris lumbricoides and trichuris trichiura were the most frequently encountered parasites. these were observed, alone or in combination, in 45 cases (72.5%). ...	2003	14727387
spurious genotypes in female nematodes resulting from contamination with male dna.	females of many invertebrates contain stored sperm or fertilized eggs or both, causing potential genotyping errors. we investigated errors caused by male dna contamination by amplifying 5 microsatellites in dna isolated from various tissue types in the nematode ascaris lumbricoides. we observed additional alleles in 30/135 uterus-derived samples when compared with muscle controls, resulting in 20/135 (15%) incorrect genotypes and an underestimation of inbreeding. in contrast, we observed additio ...	2003	14740915
evaluation of the formalin-tween concentration technique for parasitic detection.	the formalin-tween sedimentation method was compared with the formalin-ether sedimentation for parasitic detection. of a total 297 fecal specimens examined, 72.1% were positive. the formalin-tween technique was effective for ascertaining helminths, particularly ascaris lumbricoides, trichuris trichiura and hookworm eggs; however it has less capability for protozoa detection. this method is simple, inexpensive, less time consuming and highly sensitive when detecting the parasitic infection, parti ...	2003	14743670
[ascariasis as a cause of acute abdomen: a case report].	ascaris lumbricoides infestation (ali) is one of the most common helmintic disease of the gastrointestinal tract, and may cause severe surgical complications, especially in children. ali is frequent in tropical and subtropical countries. we present our experience with a case of a 5-years old pakistan girl treated in italy for acute abdomen in which ali was detected during surgical exploration.	2003	15279372
relationship between bacille calmette-guérin vaccination, mantoux test positivity, and geohelminth infection.	to investigate the potential protective effects of bacille calmette-guerin (bcg) vaccination scar and sensitization to tuberculin against geohelminth infections, we conducted a cross-sectional study among school age children in rural communities in pichincha province in ecuador where bcg vaccination is routinely given at birth. a total of 944 children aged 8-14 years were evaluated for the presence of bcg scars and sensitization to tuberculin, and underwent faecal examination for geohelminth par ...	2003	15259485
intestinal helminthic infestation in children.	in this study of fecal samples from 1000 children below 6 years of age, 680 (68.0%) detected to have intestinal helminthic infection. the incidence of intestinal helminthiasis in urban group of children was 56.8% (284 out of 500 tested) while in rural group of children was 79.2% (396 out of 500 tested). both in rural and urban population ascaris lumbricoides was the single predominant species, whereas a combination of a. lumbricoides and trichuris trichiura was common multiple infection. all cul ...	2003	15025321
genetics of susceptibility to human helminth infection.	recent studies have shown that host genetics is an important determinant of the intensity of infection and morbidity due to human helminths. epidemiological studies of a number of parasite species have shown that the intensity of infection (worm burden) is a heritable phenotype. the proportion of variance in human worm burden explained by genetic effects varies from 0.21 to 0.44. human genome scans have identified a locus responsible for controlling schistosoma mansoni infection intensity on chr ...	2003	13678637
valuation and modelling of helminth eggs removal in baffled and unbaffled ponds treating anaerobic effluent.	the paper evaluates and models helminth eggs removal in a combined uasb (upflow anaerobic sludge blanket) reactor-maturation pond system (one baffled and one unbaffled pond in parallel). the system is comprised of demonstration-scale units, treating actual domestic sewage from itabira city, brazil. the paper addresses the following points: (i) removal of helminth eggs from the wastewater in the system; (ii) comparison of the observed removal efficiency with the predictions using the ayres et al. ...	2003	14510201
prevalence of intestinal parasitic infections in northern vietnam.	we surveyed the prevalence of parasitic infections in the mountainous province of hoa binh, north-west vietnam, involving 526 households of six ethnic groups: muong, kinh, dao, thai, tay and hmong. eggs or cysts of at least one parasite species were detected in 88% of stool samples (n = 2522). prevalences of nematodes were high among all ethnic groups: hookworm (52%), trichuris trichiura (50%) and ascaris lumbricoides (45%). ascaris infection appeared to be lower in households owning a latrine, ...	2003	14516309
parasitological analysis of leonese royalty from collegiate-basilica of st. isidoro, león (spain): helminths, protozoa, and mites.	the royal burial chamber of what is today the collegiate-basilica of st. isidoro in león, spain, built and remodeled between the 10th and 13th centuries and in the 20th century renamed the kings' pantheon, has 13 royal tombs that were opened in the presence of the abbot-prior of the collegiate to enable a group of researchers to obtain all possible information from the royal remains. several samples were sent to the parasitology unit of the animal pathology (animal health) department at the vete ...	2003	14533684
frequency of intestinal parasitic infestation in children of 5-12 years of age in abbottabad.	worm infestation is a major problem in children from developing countries due to bad hygienic conditions. it produces nutritional deficiencies and anaemia in children, especially when hookworm infestation is present.	2003	14552244
[gallbladder ascariasis with acute hepatitis. conservative treatment].	we report two cases of gallbladder ascaridiasis associated with acute hepatitis, its clinical evolution with conservative treatment, making diagnosis by both laboratory and ultrasono-graphic studies. case 1: was a male in his early forties who experienced symptoms of acute hepatitis and cholecystitis within a time lapse of 72 h of evolution. when laboratory tests and ultrasound (us) were done, an ascaris inside gallbladder was corroborated. there were also alterations compatible with acute non-v ...	2003	14558975
serum malondialdehyde level in patients infected with ascaris lumbricoides.	the aim of the study was to investigate the changes of serum malondialdehyde level, i.e; the oxidative stress hypothesis in patients infected with ascaris lumbricoides.	2003	14562404
intestinal parasitic infections in man: a review.	intestinal parasites of importance to man are enterobius vermicularis, the soil-transmitted helminthes (sth)--ascaris lumbricoides tricburis trichiura, bookworms (necator americans/ancylostoma duodenale) and strongyloides stercoralis and the protozoa entamoeba histolytica and giardia duodenalis. other protozoa such as cryptosporidium sp. and isopora sp. are becoming important in causing prolonged diarrhea in immunocompromised patients. it is estimated that almost 1 billion, 500 million and 900 m ...	2003	14569755
prevalence of intestinal parasite infections on a national scale among primary schoolchildren in laos.	in order to investigate the epidemiological situation of intestinal parasite infections in laos, parasitological surveys were carried out on a national scale including 17 provinces and the vientiane municipality. a total of 29,846 stool specimens were collected from primary schoolchildren from may 2000 to june 2002 and examined once with the cellophane thick smear technique. the cumulative egg positive rate for intestinal helminths was 61.9%. by species, the rate for ascaris lumbricoides was 34. ...	2003	14574555
[transmission of schistosomiasis in an urban population and prevalence of intestinal helminthiasis in bamako, mali ].	parasitological, malacological and anthropological studies were performed to assess the prevalence of schistosoma haematobium and s. mansoni in schoolchildren living in the suburban area of bamako. a total of 1017 schoolchildren aged 6-14 years were selected in two different areas between september 1997 and december 1999. in djikoroni, the prevalence of s. haematobium and s. mansoni was 80.7% (339/420) and 22.8% (85/372) respectively. there was no significant difference of prevalence and intensi ...	2003	14582293
massive gastrointestinal bleeding in infants with ascariasis.	although infestation with ascaris lumbricoides causes various intestinal complications, massive gastrointestinal bleeding is rare. the authors report on 2 infants who presented with massive hematemesis. in the first patient, a gastroduodenoscopy was performed. roundworms were found adhering to an oozing duodenal ulcer. duodenal perforation occurred after extraction of the parasites. the second case was hematemesis together with peritonitis. exploration found volvulus and a gangrenous segment of ...	2003	14614730
[an unusual case of hemorrhage in the digestive tract].	the authors describe an unusual case report of bleeding into digestive tube cause by colonization with ascaris lumbricoides parasite. the patient was examined in the 11th field hospital of the army of czech republic during the ifaf mission in afghanistan. the course of the disease is described and possible complications caused by the presence of roundworm in the human digestive tract are discussed.	2003	14619088
is anisakis simplex responsible for chronic urticaria?	the association of chronic urticaria (cu) to parasitic infestations has been poorly studied. recently, sensitization to the parasite larva anisakis simplex has been described as the cause of acute urticaria and anaphylaxis. the aim of this work was to study the relationship between sensitization to a. simplex and cu. one hundred one patients with cu were studied. data of possible contacts with a. simplex were collected and the usual cu study was performed. furthermore, total and specific immunog ...	2003	14619334
polish experience with sewage sludge dewatering in reed systems.	macrophyte plants e.g. reed, cattails, bulrush, can be applied to sewage sludge utilisation. one of the first facilities of this type in the gdansk region (northern poland) was established in darzlubie in 1995 and primary sludge has been utilised in reed beds there. the objective of the undertaken research was evaluating the influence of sewage sludge storage on its chemical and biological properties. a total of 5.5 m thick layer of primary, anaerobically stabilised sludge (moisture 90-96%) was ...	2003	14621154
intestinal parasites in children, in highly deprived areas in the border region of chiapas, mexico.	to assess the prevalence of intestinal parasitic infections among children in highly deprived areas, and its possible association with demographic and socioeconomic indicators.	2003	14628618
polyparasitism with schistosoma haematobium and soil-transmitted helminth infections among school children in loum, cameroon.	prevalence and abundance of schistosoma haematobium and soil-transmitted helminths (sth) were assessed among a total of 1600 pupils (urine, n = 1190; faecal samples, n = 1454) attending five schools in loum, littoral province, cameroon, with the specific aim of assessing the extent of polyparasitism and the extent to which infections were focused in particular subsets of the study group. prevalence of s. haematobium was 62.8% with an abundance (arithmetic mean of egg counts) of 54 eggs/10 ml uri ...	2003	14629763
th2 cytokines are associated with reduced worm burdens in a human intestinal helminth infection.	although t helper 2 (th2) cytokines are known to be critical in the generation of protective immunity against intestinal helminths in mouse models, it is unclear whether they are important in natural immunity against gut helminthiases in humans. therefore, we investigated cytokine production in ex vivo whole-blood cultures in response to ascaris lumbricoides antigen and mitogen in a cross-section of a community where the parasite is hyperendemic. the intensity of a. lumbricoides infection was si ...	2003	14639550
a survey for helminth parasites in feral new world non-human primate populations and its comparison with parasitological data from man in the region.	a survey for helminth parasites in feral new world non-human primates was conducted and compared with parasitological data from man in the region. a total of 835 fecal samples were collected from feral aotus nancymae, a. vociferans, saguinus labiatus, s. mystax, saimiri boliviensis peruviensis, s. sciureus macrodon, lagothrix lagotricha and cacajao calvus rubicundus. in addition, adult parasites were collected from necropsies performed on monkeys that died during quarantine and in captivity. hel ...	2003	14641789
[frequency of e. vermicularis in a rural school population of quipile, colombia, 2001].	to study the prevalence of enterobius vermicularis infection in children aged 3 to 14 years in a rural zone of the town of quipile, colombia.	2003	14658369
an epidemiological study of pleuropulmonary paragonimiasis among pupils in the peri-urban zone of kumba town, meme division, cameroon.	paragonimiasis have previously been reported in two zones of the southwest province of cameroon including the kupe mountain and mundani foci. the aim of this study was to investigate the presence and epidemiology of paragonimiasis in the peri-urban zone of kumba, meme division, located about 50 km away from the kupe mountain focus.	2003	14678562
mapping soil-transmitted helminths in southeast asia and implications for parasite control.	establishing the current status and distribution of soil-transmitted helminths is essential for developing and implementing parasite control. although southeast asia is known to have a high prevalence of infection, a precise estimate of the total disease burden has not been fully described. here, we use geographical information systems (gis) to collate and map recent published surveys on soil-transmitted helminth epidemiology and distribution for this region. distinct geographical variation was ...	2003	12971511
social and behavioral factors associated with clonorchis infection in one commune located in the red river delta of vietnam.	social behavioral factors associated with clonorchis infection are needed for control measures. the population in nga tan commune were randomly sampled and questioned to determine knowledge, perception, and health behavioral factors associated with clonorchis infection among heads of households. the cellophane thick smear method was applied to examine their stool samples. seven hundred and seventy-one cases were examined, the positive rates were 17.2%, 66.9%, 78.7%, 15.9%, and 0.14% for clonorch ...	2003	12971548
[ascaris lumbricoides and negative coproculture: conquer or ignore].		2003	12975108
ascaris lumbricoides in the stomach.		2003	12929080
ascaris lumbricoides?		2003	12940339
demographic and parasitic infection status of schoolchildren and sanitary conditions of schools in sanliurfa, turkey.	the design and development of school health programmes will require information at demographic characteristics of schoolchildren and the major health burdens of the school-age group, the opportunities for intervention and the appropriateness of the available infrastructure. this study aims to analyse demographic and parasitic infections status of schoolchildren and sanitary conditions of schools in sanliurfa province of south-eastern turkey.	2003	12952553
prevalence of endoparasitic infection in children and its relation with cholera prevention efforts in mexico.	to investigate whether increased knowledge and use of public health measures promoted for cholera prevention is reflected in lower prevalence of parasitic infection in households in a community in the state of tamaulipas, mexico, that is close to the border with the united states of america.	2003	12952605
effects of multimicronutrient supplementation on helminth reinfection: a randomized, controlled trial in kenyan schoolchildren.	a randomized, placebo-controlled, double-blind, two-by-two factorial trial was carried out among 977 schoolchildren from 19 primary schools in nyanza province, kenya from february 1995 to february 1996. the interventions were multimicronutrient supplementation (vitamin a, 1000 micrograms; vitamin b1, 1.4 mg; vitamin b2, 1.6 mg; vitamin b6, 1.7 mg; vitamin b12, 2.0 micrograms; folate, 150 micrograms; niacin, 16 mg; vitamin c, 50 mg; vitamin d, 5 micrograms; vitamin e, 8 mg; iron, 18 mg; zinc, 20 ...	2003	12886816
effects on haemoglobin of multi-micronutrient supplementation and multi-helminth chemotherapy: a randomized, controlled trial in kenyan school children.	to assess the effects of multi-micronutrient supplementation and multi-helminth chemotherapy on haemoglobin concentration (hb), using schools as a health delivery system. study area and population: nine hundred seventy-seven children between 9 and 18 y of age from 19 primary schools in bondo district, western kenya, were included in the trial. the 746 (76.4%) children on whom baseline hb was available were included in this study.	2003	12700619
[effects of detergents and disinfectants on the development of ascaris lumbricoides eggs].	ascaris lumbricoides infection is acquired via ingestion of embryonated eggs of the parasite, thus justifying the search for ovicidal compounds. we studied the effect of 16 household and laboratory detergents and disinfectants on the embryogenesis of this helminth. children carrying this infection were treated with levamisole. eliminated female worms were collected and dissected to obtain eggs from the uteri. the eggs were placed in contact with various products at different dilutions and for va ...	2003	12700816
inhibition of human napsin a.	the newly-discovered human aspartic proteinase, napsin a was not susceptible to protein inhibitors from potato, squash or yeast but was weakly inhibited by the 17 kda polypeptide from ascaris lumbricoides and potently by isovaleryl and lactoyl-pepstatins. a series of synthetic inhibitors was also investigated which contained in the p(1)-p(1)' positions the dipeptide analogue statine or its phenylalanine or cyclohexylalanine homologues and in which the residues occupying p(4)-p(3)' were varied sy ...	2003	12625824
high prevalence of small intestinal bacterial overgrowth in celiac patients with persistence of gastrointestinal symptoms after gluten withdrawal.	celiac disease is a gluten-sensitive enteropathy with a broad spectrum of clinical manifestation, and most celiac patients respond to a gluten-free diet (gfd). however, in some rare cases celiacs continue to experience gi symptoms after gfd, despite optimal adherence to diet. the aim of our study was to evaluate the causes of persistence of gi symptoms in a series of consecutive celiac patients fully compliant to gfd.	2003	12738465
electron miscroscopy and histochemical studies on four egyptian helminthes eggs of medical importance.	by sem the fasciola gigantica egg is ovoid with a small knob like operculum, while the egg of heterophyes heterophytes is broad oval with the operculum more tapering. the egg shell of fertilized ascaris lumbricoides has interconnected ridges and peak-like projections, while the egg of enterobius vermicularis is flattened with a thicker margin at the curved side. by tem, fasciola egg shell consists of fine reticulum fibrils of three layers. the outer lipoprotein of perivitelline membrane beneath ...	2003	12739814
reduced risk of atopy among school-age children infected with geohelminth parasites in a rural area of the tropics.	childhood infections might protect against the expression of atopy. geohelminths are among the most prevalent infections of childhood and might contribute to the low prevalence of allergic disease reported from rural areas of the tropics.	2003	12743563
[selective vs. mass treatment with antihelminthic drugs: experience in two hyperendemic communities].	to compare the prevalence and intensity of soil-transmitted nematode infection among children from two hyperendemic communities who were treated with antihelminthic drugs under two different regimens: selective or individual treatment was administered to members of one of the communities, and repeated mass treatment was given to the control community.	2003	12744797
use of benzimidazoles in children younger than 24 months for the treatment of soil-transmitted helminthiasis.	considerable experience and limited quantitative evidence indicate that infections with the soil-transmitted helminths ascaris lumbricoides and trichuris trichiura usually start to become established in children aged 12 months and older. since children living in countries where the infections are endemic are at risk of morbidity, even those as young as 12 months may need to be considered for inclusion in public health programmes designed to reduce morbidity by means of regular anthelminthic chem ...	2003	12745139
p system antigenic determiners expression in ascaris lumbricoides.	the p system antigens have been detected in numerous parasites, bacteria and viruses, nevertheless the clinical significance is still unknown. the aim was to study the presence of p1 antigenic determiners in a. lumbricoides extracts by means of the use of 6 different monoclonal antibodies of well-known concentrations and ig class. we worked with 14 a. lumbricoides extracts. inhibition agglutination test was made in a bromelin enzymatic medium and 4 degrees c temperature. titre, score and sensiti ...	2003	12751325
abo system: molecular mimicry of ascaris lumbricoides.	a. lumbricoides has been associated to the abo system by various authors. the objective was to detect abo system epitopes in a. lumbricoides of groups o, a, b and ab patients. 28 adult parasites were obtained from children to be used as assay material. the patients abo blood groups were determined. extracts of a. lumbricoides [ae] were prepared by surgical remotion of the cuticle and refrigerated mechanical rupture. agglutination inhibition (ai) and hemoagglutination kinetics (hk) tests were use ...	2003	12754578
localisation and distribution of wuchereria bancrofti antigens recognised by antisera from tropical pulmonary eosinophilia and from individuals with intestinal helminths.	serological analyses of sera from patients with a typical picture of filarial tropical pulmonary eosinophilia (tpe) and sera from patients from a region non-endemic for filariasis harbouring intestinal helminths, as ascaris lumbricoides and strongyloids stercoralis, revealed equally high titers of igg4, usually considered diagnostic for filariasis. ultrathin sections of adult worms of w. bancrofti embedded in the hydrophilic resin l.r. white were incubated with sera from patients with a typical ...	2003	12762653
[intestinal parasite infections in a semiarid area of northeast brazil: preliminary findings differ from expected prevalence rates].	we report on intestinal parasite infection prevalence in a population sample from s o raimundo nonato, southeast piau state, brazil, aimed at comparison with previous studies on trichuris trichiura and ascaris lumbricoides infection. a total of 265 stool specimens were collected and examined by spontaneous sedimentation. approximately 57% of specimens were infected with at least one parasite species. entamoeba coli (35.8%), endolimax nana (13.6%), hymenolepis nana (9.4%), and hookworm (9.4%) we ...	2003	12764483
index of suspicion.		2003	12777612
[intestinal parasitoses in the mahajanga region, west coast of madagascar].	a study on human intestinal parasites was carried out from november 1996 until january 1997, in mahajanga's hospital, on the western coast of madagascar. we collected the faeces from 401 patients and the sera from 112 of them. faecal examination using direct examination and mif method revealed that 67.6% of the stools contained at least one parasite. the frequency of the protozoa was high (47.7%). the prevalence of the nematodosis reached 23.4%. hymenolepis nana, taenia saginata or solium and sc ...	2003	12784593
unusual intestinal sequelae after operations for ascaris lumbricoides infestation.	two children with severe bowel sequelae distal to the site of an ascaris lumbricoides bowel obstruction are reported. it is postulated that these resulted from inflammatory reaction to toxic decomposition products of disintegrating worms. surgery should be modified in the presence of bowel-wall injury distal to the site of ascarid worm - bolus obstruction.	2003	12721733
allergic symptoms, atopy, and geohelminth infections in a rural area of ecuador.	geohelminth infections may affect the expression of allergic disease. to investigate the relationship between geohelminth infections, atopy, and symptoms of allergic disease, we studied 4433 schoolchildren from 71 schools in a rural tropical area in ecuador. information was collected on allergic symptoms, allergen skin test reactivity, and presence of geohelminth infections. allergic symptoms were of low prevalence (2.1% had recent wheeze), but prevalence of skin test reactivity was relatively h ...	2003	12714349
gallbladder ascariasis in a patient with severe pancreatitis.		2003	12717365
reducing burden of hookworm disease in the management of upper abdominal pain in the tropics.	a prospective study of the stool samples of 129 rural patients with symptoms of upper abdominal pain, tenderness and indigestion was carried out from 2 february 1998 to 31 december 1998 and followed up to june 1999. the age range was 11-85 years, female:male ratio 2.4:1: 102 specimens were positive for helminths--ancylostoma duodenale (hookworm) 80 (62%); trichuris trichuria (threadworm) 12 (9.3%); ascaris lumbricoides (large roundworm) 10 (7.76%); strongyloides stercoralis three (2.3%); taenia ...	2003	12870611
contamination of soil with parasites in a tropical hilltribe village in northern thailand.		2003	12870615
epidemiology and control of intestinal parasites with nitazoxanide in children in mexico.	the purpose of this study was to evaluate the efficacy and the tolerance of nitazoxanide in children as a single broad-spectrum antiparasitic agent in the treatment of mixed parasite infections with both intestinal protozoa and helminths. two hundred seventy-two children (age range = 2-14 years) participated in this study. we systematically surveyed every household head using questionnaires designed to obtain information about household socioeconomic status and hygiene. parasitic infections were ...	2003	12875284