Publications
Title | Abstract | Year(sorted descending) Filter | PMID Filter |
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microbiological and parasitological investigation among food handlers in hotels in the dead sea area, jordan. | intestinal parasitic and bacterial infections constitute a major health issue in developing countries. the present study investigates and assesses infection rates among food handlers with intestinal parasites and microbial agents in luxurious hotels in the dead sea area of jordan. | 2014 | 23933293 |
the role of bifidobacterium lactis b94 plus inulin in the treatment of acute infectious diarrhea in children. | in contrast to many other studies of probiotic species, the number of publications evaluating bifidobacterium lactis and its combinations with prebiotics as treatments for acute infectious diarrhea is limited. we investigated the synbiotic effects of b. lactis b94 plus inulin on acute infectious diarrhea. | 2014 | 25599772 |
role of leptin-mediated colonic inflammation in defense against clostridium difficile colitis. | the role of leptin in the mucosal immune response to clostridium difficile colitis, a leading cause of nosocomial infection, was studied in humans and in a murine model. previously, a mutation in the receptor for leptin (lepr) was shown to be associated with susceptibility to infectious colitis and liver abscess due to entamoeba histolytica as well as to bacterial peritonitis. here we discovered that european americans homozygous for the same lepr q223r mutation (rs1137101), known to result in d ... | 2014 | 24166957 |
added value of multiplex luminex gastrointestinal pathogen panel (xtag® gpp) testing in the diagnosis of infectious gastroenteritis. | the luminex gastrointestinal pathogen panel (xtag(®) gpp) detects in one assay the most common gastroenteritis-causing pathogens and toxins, namely adenovirus 40/41, norovirus genogroup (ng) i/ii, rotavirus a, clostridium difficile toxin a/b, campylobacter sp., escherichia coli o157, enterotoxigenic e. coli heat-labile enterotoxin/heat-stable enterotoxin, salmonella sp., shiga-toxin producing e. coli, shiga-like toxin (stx)1/2, shigella sp., vibrio cholerae, yersinia enterocolitica, cryptosporid ... | 2014 | 24131399 |
development of a loop-mediated isothermal amplification assay for detection of trichomonas vaginalis. | a loop-mediated isothermal amplification (lamp) assay targeting the 2-kbp repeated dna species-specific sequence was developed for detection of trichomonas vaginalis, the causative agent of trichomoniasis. the analytical sensitivity and specificity of the lamp assay were evaluated using pooled genital swab and urine specimens, respectively, spiked with t. vaginalis trophozoites. genital secretion and urine did not inhibit the detection of the parasite. the sensitivity of the lamp was 10-1000 tim ... | 2014 | 24792836 |
effects of melatonin on oxidative stress, and resistance to bacterial, parasitic, and viral infections: a review. | melatonin, a hormone secreted by the pineal gland, works directly and indirectly as a free radical scavenger. its other physiological or pharmacological activities could be dependent or independent of receptors located in different cells, organs, and tissues. in addition to its role in promoting sleep and circadian rhythms regulation, it has important immunomodulatory, antioxidant, and neuroprotective effects suggesting that this indole must be considered as a therapeutic alternative against inf ... | 2014 | 24811367 |
intestinal parasitoses in a tertiary-care hospital located in a non-endemic setting during 2006-2010. | the aim of this study was to assess the epidemiology of intestinal parasitoses during a 5-year period in patients attending a tertiary-care hospital in a non-endemic setting. | 2014 | 24886502 |
assessment of parasitic pollution in the coastal seawater of gaza city. | the main objective of the study was the assessment of the prevalence and the identification of species of human gastrointestinal parasites as an indicator of the pollution of the seashore of gaza city. | 2014 | 24410999 |
comparison of the performance of two spontaneous sedimentation techniques for the diagnosis of human intestinal parasites in the absence of a gold standard. | performance evaluation of diagnostic tests is critical in the search for accurate diagnoses. a gold standard test is usually absent in parasitology, thus rendering satisfactory assessment of diagnostic accuracy difficult. moreover, reliability (assessed by the study of repeatability) is a rarely studied characteristic of diagnostic tests. this study compared and evaluated the performance (repeatability, concordance and accuracy) of the spontaneous sedimentation technique (sst) and the paratest f ... | 2014 | 24321383 |
prevalence and its associated risk factors of intestinal parasitic infections among yadot primary school children of south eastern ethiopia: a cross-sectional study. | intestinal parasitic infections are posing significant morbidity worldwide. in ethiopia, due to poor socio-economic status, intestinal parasitic infections are highly prevalent. the main aim of this study was to determine the prevalence of intestinal parasites and its associated risk factors among yadot primary school children which is found in south-eastern part of ethiopia, in the district called delo-mena. | 2014 | 25425173 |
prevalence of intestinal parasites among hiv patients at the yaoundé central hospital, cameroon. | intestinal parasites are more common in people with hiv, especially in tropical developing countries. this cross-sectional study was carried out to assess the prevalence of intestinal parasites among people with hiv at the yaoundé central hospital accredited treatment centre. | 2014 | 25419274 |
intestinal parasitic diarrhea among children in baghdad--iraq. | parasitic diarrhea among children is a significant health problem worldwide. this cross sectional study described the burden of parasitic diarrhea among children. the objectives of this study were to evaluate the impact of risk factors on the parasitic diarrhea, and to determine the parasitic profile among children in baghdad-iraq, during the period extending from september 2003 to june 2004. a total number of 2033 cases were included in the study. the estimated prevalence rate of parasitic diar ... | 2014 | 25382477 |
different profile of intestinal protozoa and helminthic infections among patients with diarrhoea according to age attending a rural hospital in southern ethiopia. | the aim of this study was to analyze the association of intestinal parasitic diseases with age and gender in patients with diarrhea attending a rural hospital in southern ethiopia in the period 2007-2012. a total of 32,191 stool examination was performed in patients who presented with diarrhea. the overall prevalence of intestinal parasites in the present study was 26.5%. predominant parasites detected were giardia lamblia (15.0%), entamoeba histolytica/dispar (5.4%), and ascaris lumbricoides (5 ... | 2014 | 25134911 |
prevalence of intestinal parasitic infections among communities living in different habitats and its comparison with one hundred and one studies conducted over the past 42 years (1970 to 2013) in malaysia. | intestinal parasitic infections are among the most common diseases affecting mankind causing major public health problems to billions of people living in developing countries. the aim of this study is to determine the prevalence of intestinal parasites in various communities residing in different habitats in malaysia and compare the findings with 101 studies conducted over the past 42 years (1970-2013). a cross-sectional study design was conducted with the aid of a questionnaire to collect relev ... | 2014 | 25134888 |
intestinal parasitic infections among prison inmates and tobacco farm workers in shewa robit, north-central ethiopia. | intestinal parasitic infections (ipis) particularly soil-transmitted helminthiasis (sth) and schistosomiasis are among neglected tropical diseases (ntds) globally. apart from being associated with anemia, malabsorption and retarded cognitive development these diseases are complicating the clinical picture of more serious infections like hiv, tb and malaria. renewed and up-to-date information on the epidemiology of ipis in more vulnerable groups such as irrigated-farm workers and prisoners would ... | 2014 | 24926687 |
assessment of gastrointestinal parasites in wild chimpanzees (pan troglodytes troglodytes) in southeast cameroon. | we tested 114 faecal samples from wild simian immunodeficiency virus (siv)-positive (n = 43) and siv-negative (n = 71) chimpanzees (pan troglodytes troglodytes) in southeast cameroon for the presence of gastrointestinal parasites by direct smear. we observed cysts from different protozoa (entamoeba coli and entamoeba histolytica / entamoeba dispar, endolimax nana, iodamoeba butschlii, chilomastix mesnili, balantidium coli and blastocystis cells) and trophozoites from troglodytella abrassarti and ... | 2014 | 24781023 |
intestinal parasitic infestation in combatants and their families: a hospital-based study in mid-western regional police hospital, nepal. | to find out the scenario of intestinal parasitic infestation in combatants and their families in the setting of mid-western regional police hospital (mwrph), nepal. | 2014 | 24762341 |
[prevalence of intestinal microsporidia and other intestinal parasites in hiv positive patients from maracaibo, venezuela]. | to detect the presence of microsporidia and other enteric parasites in patients with hivaids of the autonomous services university hospital of maracaibo (sahum), where there are no previous studies in this field. | 2014 | 24652209 |
isolation of intestinal parasites of public health importance from cockroaches (blattella germanica) in jimma town, southwestern ethiopia. | cockroaches are claimed to be mechanical transmitters of disease causing microorganisms such as intestinal parasites, bacteria, fungi, and viruses. this study assessed the potential of the german cockroach blattella germanica in the mechanical transmission of intestinal parasites of public health importance. a total of 2010 cockroaches were collected from 404 households in jimma town, southwestern ethiopia. all the collected cockroaches were identified to species as b. germanica. the contents of ... | 2014 | 24649356 |
comparative study of the prevalence of intestinal parasites in low socioeconomic areas from south chennai, india. | intestinal parasites cause one of the most important health problems through their effects in causing undernourishment morbidity and incapacitation due to their behavior particularly in children compared to adults. this study was intended to state the prevalence of intestinal parasites between the slum dwellers of different areas in south chennai. among the total of 256 samples collected between the ages of 0-50 yrs, 194 samples were positive. standard laboratory techniques for parasitological d ... | 2014 | 24587897 |
entamoeba histolytica and e. dispar calreticulin: inhibition of classical complement pathway and differences in the level of expression in amoebic liver abscess. | the role of calreticulin (crt) in host-parasite interactions has recently become an important area of research. information about the functions of calreticulin and its relevance to the physiology of entamoeba parasites is limited. the present work demonstrates that crt of both pathogenic e. histolytica and nonpathogenic e. dispar species specifically interacted with human c1q inhibiting the activation of the classical complement pathway. using recombinant ehcrt protein, we demonstrate that crt i ... | 2014 | 24860808 |
amoebozoa possess lineage-specific globin gene repertoires gained by individual horizontal gene transfers. | the amoebozoa represent a clade of unicellular amoeboid organisms that display a wide variety of lifestyles, including free-living and parasitic species. for example, the social amoeba dictyostelium discoideum has the ability to aggregate into a multicellular fruiting body upon starvation, while the pathogenic amoeba entamoeba histolytica is a parasite of humans. globins are small heme proteins that are present in almost all extant organisms. although several genomes of amoebozoan species have b ... | 2014 | 25013378 |
prevalence of intestinal parasites and its impact on nutritional status among preschool children living in damanhur city, el-behera governorate, egypt. | this cross sectional study was done in damanhur city, the capital of el-behera governorate to detect the prevalence of intestinal parasitic infection among preschool aged children and to find out its effect on their nutritional status. five-hundreds children aged between 2-6 years were enrolled; a detailed questionnaire, complete clinical and anthropometric assessment as well as complete stool analysis and blood picture were done. the study revealed that 51.8% preschool children were infected; c ... | 2014 | 25597166 |
etiology of childhood diarrhea after rotavirus vaccine introduction: a prospective, population-based study in nicaragua. | nicaragua was the first developing nation to implement routine immunization with the pentavalent rotavirus vaccine (rv5). in this rv5-immunized population, understanding infectious etiologies of childhood diarrhea is necessary to direct diarrhea treatment and prevention efforts. | 2014 | 24879131 |
prevalence of enteric pathogen-associated community gastroenteritis among kindergarten children in gaza. | gastroenteritis is considered as one of the leading causes of illness and death in children under 5 years age, especially in developing countries. it is one of the major public health problems among childhood in gaza strip, palestine. this study was conducted to determine the prevalence of enteric pathogen-associated community gastroenteritis among kindergarten children in gaza. a total of 150 stool samples were collected and investigated for parasitic, viral and bacterial pathogens at al azhar ... | 2014 | 25745477 |
crystal structure and putative substrate identification for the entamoeba histolytica low molecular weight tyrosine phosphatase. | entamoeba histolytica is a eukaryotic intestinal parasite of humans, and is endemic in developing countries. we have characterized the e. histolytica putative low molecular weight protein tyrosine phosphatase (lmw-ptp). the structure for this amebic tyrosine phosphatase was solved, showing the ligand-induced conformational changes necessary for binding of substrate. in amebae, it was expressed at low but detectable levels as detected by immunoprecipitation followed by immunoblotting. a mutant lm ... | 2014 | 24548880 |
beta carbonic anhydrases: novel targets for pesticides and anti-parasitic agents in agriculture and livestock husbandry. | the genomes of many insect and parasite species contain beta carbonic anhydrase (β-ca) protein coding sequences. the lack of β-ca proteins in mammals makes them interesting target proteins for inhibition in treatment of some infectious diseases and pests. many insects and parasites represent important pests for agriculture and cause enormous economic damage worldwide. meanwhile, pollution of the environment by old pesticides, emergence of strains resistant to them, and their off-target effects a ... | 2014 | 25174433 |
identifying etiological agents causing diarrhea in low income ecuadorian communities. | continued success in decreasing diarrheal disease burden requires targeted interventions. to develop such interventions, it is crucial to understand which pathogens cause diarrhea. using a case-control design we tested stool samples, collected in both rural and urban ecuador, for 15 pathogenic microorganisms. pathogens were present in 51% of case and 27% of control samples from the urban community, and 62% of case and 18% of control samples collected from the rural community. rotavirus and shige ... | 2014 | 25048373 |
prevalent and incident hiv diagnoses among entamoeba histolytica-infected adult males: a changing epidemiology associated with sexual transmission--taiwan, 2006-2013. | sexually transmitted entamoeba histolytica infection (ehi) has been increasingly recognized among men who have sex with men (msm). we used the national disease surveillance systems (ndss) to identify prevalent and incident hiv diagnoses among adults with ehi and to determine the associated factors. | 2014 | 25299178 |
ameboma: an unusual cause of gastrointestinal bleeding during severe leptospirosis. | severe leptospirosis occurs mainly in a tropical environment and includes icterus, acute renal failure and hemorrhages. these bleedings, which are mainly a consequence of acute homeostatic disturbances, can also reveal simultaneous diseases. coinfections with other tropical diseases have been previously reported during leptospirosis. to our knowledge, invasive amebiasis, which can induce gastrointestinal bleedings, has never been described in the course of severe leptospirosis. | 2014 | 24894109 |
transcriptome analysis of encystation in entamoeba invadens. | encystation is an essential differentiation process for the completion of the life cycle of a group of intestinal protozoa including entamoeba histolytica, the causative agent of intestinal and extraintestinal amebiasis. however, regulation of gene expression during encystation is poorly understood. to comprehensively understand the process at the molecular level, the transcriptomic profiles of e. invadens, which is a related reptilian species that causes an invasive disease similar to that of e ... | 2013 | 24040350 |
evaluation of luminex xtag gastrointestinal pathogen analyte-specific reagents for high-throughput, simultaneous detection of bacteria, viruses, and parasites of clinical and public health importance. | acute diarrheal disease (add) can be caused by a range of pathogens, including bacteria, viruses, and parasites. conventional diagnostic methods, such as culture, microscopy, biochemical assays, and enzyme-linked immunosorbent assays (elisa), are laborious and time-consuming and lack sensitivity. combined, the array of tests performed on a single specimen can increase the turnaround time (tat) significantly. we validated a 19plex laboratory-developed gastrointestinal pathogen panel (gpp) using l ... | 2013 | 23850948 |
nif-type iron-sulfur cluster assembly system is duplicated and distributed in the mitochondria and cytosol of mastigamoeba balamuthi. | in most eukaryotes, the mitochondrion is the main organelle for the formation of iron-sulfur (fes) clusters. this function is mediated through the iron-sulfur cluster assembly machinery, which was inherited from the α-proteobacterial ancestor of mitochondria. in archamoebae, including pathogenic entamoeba histolytica and free-living mastigamoeba balamuthi, the complex iron-sulfur cluster machinery has been replaced by an ε-proteobacterial nitrogen fixation (nif) system consisting of two componen ... | 2013 | 23589868 |
a laboratory-developed taqman array card for simultaneous detection of 19 enteropathogens. | the taqman array card (tac) system is a 384-well singleplex real-time pcr format that has been used to detect multiple infection targets. here we developed an enteric taqman array card to detect 19 enteropathogens, including viruses (adenovirus, astrovirus, norovirus gii, rotavirus, and sapovirus), bacteria (campylobacter jejuni/c. coli, clostridium difficile, salmonella, vibrio cholerae, diarrheagenic escherichia coli strains including enteroaggregative e. coli [eaec], enterotoxigenic e. coli [ ... | 2013 | 23175269 |
sexually transmitted infections manifesting as proctitis. | there is a rising incidence of several sexually transmitted infections (stis), many of which can present with proctitis. causative organisms include neisseria gonorrhoeae, chlamydia trachomatis, herpes simplex virus, treponema pallidum (syphilis), giardia lamblia (giardiasis) and entamoeba histolytica (amoebiasis). this paper outlines important clinical discriminators and key investigations to distinguish these organisms from non-infective pathology that include inflammatory bowel disease, solit ... | 2013 | 23914292 |
dientamoeba fragilis in gaza strip: a neglected protozoan parasite. | the aim of this study was to detect dientamoeba fragilis by iron haematoxylin stain, as well as its prevalence, and association between d. fragilis infection and diarrhoea among patients attending al-nuseirate refugee camp clinic, gaza strip. | 2013 | 23914238 |
toll-like receptor signaling activation by entamoeba histolytica induces beta defensin 2 in human colonic epithelial cells: its possible role as an element of the innate immune response. | entamoeba histolytica, a protozoan parasite of humans, produces dysenteric diarrhea, intestinal mucosa damage and extraintestinal infection. it has been proposed that the intestinal microbiota composition could be an important regulatory factor of amebic virulence and tissue invasion, particularly if pathogenic bacteria are present. recent in vitro studies have shown that entamoeba histolytica trophozoites induced human colonic caco2 cells to synthesize tlr-2 and tlr-4 and proinflammatory cytoki ... | 2013 | 23469306 |
structural insight into dfmo resistant ornithine decarboxylase from entamoeba histolytica: an inkling to adaptive evolution. | polyamine biosynthetic pathway is a validated therapeutic target for large number of infectious diseases including cancer, giardiasis and african sleeping sickness, etc. α-difluoromethylornithine (dfmo), a potent drug used for the treatment of african sleeping sickness is an irreversible inhibitor of ornithine decarboxylase (odc), the first rate limiting enzyme of polyamine biosynthesis. the enzyme odc of e. histolytica (ehodc) has been reported to exhibit resistance towards dfmo. | 2013 | 23326423 |
drug resistance in natural isolates of leishmania donovani s.l. promastigotes is dependent of pgp170 expression. | resistance of pathogens to drugs is a growing concern regarding many diseases. parasites like leishmania, plasmodium and entamoeba histolytica; and neoplastic cells, present the multidrug-resistant phenotype rendering chemotherapy ineffective. the acquired resistance of leishmania to antimony has generated intense research on the mechanisms involved but the question has not yet been resolved. to test the hypothesis that drug efflux in leishmania, as measured by flow cytometry using the fluoresce ... | 2013 | 23776486 |
prevalence of intestinal parasitic infections and associated risk factors among kigali institute of education students in kigali, rwanda. | intestinal parasitic infections (ipis) are a significant public health problem in sub- saharan africa (ssa) and rwanda is not spared. while eradication programs towards preschool-aged and school-aged children are undertaken, important gaps regarding ipis among students attending tertiary learning institutions remain. the aim of this study was to determine the prevalence of ipis and associated risk factors among kigali institute of education (kie) students who attended its medical clinic for stoo ... | 2013 | 24522143 |
structure and function of a unique pore-forming protein from a pathogenic acanthamoeba. | human pathogens often produce soluble protein toxins that generate pores inside membranes, resulting in the death of target cells and tissue damage. in pathogenic amoebae, this has been exemplified with amoebapores of the enteric protozoan parasite entamoeba histolytica. here we characterize acanthaporin, to our knowledge the first pore-forming toxin to be described from acanthamoebae, which are free-living, bacteria-feeding, unicellular organisms that are opportunistic pathogens of increasing i ... | 2013 | 23143413 |
a novel, multi-parallel, real-time polymerase chain reaction approach for eight gastrointestinal parasites provides improved diagnostic capabilities to resource-limited at-risk populations. | diagnosis of gastrointestinal parasites has traditionally relied on stool microscopy, which has low diagnostic sensitivity and specificity. we have developed a novel, rapid, high-throughput quantitative multi-parallel real-time polymerase chain reaction (qpcr) platform. species-specific primers/probes were used for eight common gastrointestinal parasite pathogens: ascaris lumbricoides, necator americanus, ancylostoma duodenale, giardia lamblia, cryptosporidium spp., entamoeba histolytica, trichu ... | 2013 | 23509117 |
parasitic diseases of the pleura. | parasitic infections are prevalent in certain parts of the world and may cause pleural involvement, which often goes unrecognized. common parasites involving the pleura include entamoeba histolytica, echinococcus granulosus and paragonimus westermani. amebiasis can cause empyema with "anchovy sauce" pus, reactive pleural effusions and bronchopleural fistula with hydropneumothorax. echinococcosis may result in pleural thickening, pneumothorax, secondary pleural hydatidosis and pleural effusions. ... | 2013 | 22990049 |
parasitoses of the human central nervous system. | cerebral involvement in parasitoses is an important clinical manifestation of most of the human parasitoses. parasites that have been described to affect the central nervous system (cns), either as the dominant or as a collateral feature, include cestodes (taenia solium (neurocysticerciasis), echinococcus granulosus (cerebral cystic echinococcosis), e. multilocularis (cerebral alveolar echinococcosis), spirometra mansoni (neurosparganosis)), nematodes (toxocara canis and t. cati (neurotoxocarias ... | 2013 | 23046708 |
[detection of entamoeba histolytica and entamoeba dispar by pcr in children, less than five years of age with diarrhea, in maracaibo, venezuela. a preliminary study]. | to determine the prevalence of entamoeba histolytica as a producer of diarrhea, a study was conducted in children, less than five years of age, with diarrhea who attended several out patient clinics of the servicio aut6nomo hospital universitario, maracaibo, venezuela. a macroscopic and microscopic examination with physiological saline, lugol and kinyoun staining were performed to the stool samples obtained. the remainder of the sample was frozen until dna extraction, and pcr amplification was p ... | 2013 | 24502179 |
fascioliasis and intestinal parasitoses affecting schoolchildren in atlixco, puebla state, mexico: epidemiology and treatment with nitazoxanide. | the atlixco municipality, puebla state, at a mean altitude of 1840 m, was selected for a study of fasciola hepatica infection in schoolchildren in mexico. this area presents permanent water collections continuously receiving thaw water from popocatepetl volcano (5426 m altitude) through the community supply channels, conforming an epidemiological scenario similar to those known in hyperendemic areas of andean countries. | 2013 | 24278492 |
intestinal protozoans in adults with diarrhea. | diarrhea is one of the most common presenting complaints in human immunodeficiency virus-infected individuals. | 2013 | 24404554 |
prevalence of intestinal parasites in primary school children of mthatha, eastern cape province, south africa. | the presence of intestinal parasites in a population group is indicative of lack of proper sanitation, low economic standards and poor educational background. | 2013 | 24380000 |
prevalence of intestinal protozoan infections among orang asli schoolchildren in pos senderut, pahang, malaysia. | the current study determined the prevalence of intestinal protozoan infections among the orang asli schoolchildren in pos senderut, pahang, malaysia. the overall intestinal protozoan infection rate was 85% (261 out of 307). the highest prevalence rates were due to entamoeba coli (24.4%), giardia lamblia (21.8%), blastocystis hominis (21.2%) and entamoeba histolytica (15.0%). the prevalence of iodamoeba butschlii was only 2.9%. among the positive samples, mixed infection with b. hominis and e. hi ... | 2013 | 24640856 |
a cross-sectional study on intestinal parasitic infections in rural communities, northeast thailand. | despite the existence of effective anthelmintics, parasitic infections remain a major public health problem in southeast asia, including thailand. in rural communities, continuing infection is often reinforced by dietary habits that have a strong cultural basis and by poor personal hygiene and sanitation. this study presents a survey of the prevalence of intestinal parasitic infections among the people in rural thailand. the community-based cross-sectional study was conducted in villages in khon ... | 2013 | 24516280 |
[infectious etiology of acute idiopathic intussusception in children]. | the intussusception (iia) is an invagination of the immediate part of the intestine. she is responsible for a syndrome with an occlusive venous compression and swelling that can rapidly progress to intestinal necrosis. most cases occur in children aged 6 to 18 months and occur more frequently in boys than girls. there are two types of iia: the iia idiopathic representing 90-95% of invaginations of the child and the iia secondary to local injury of the gastrointestinal tract or occurring in a par ... | 2013 | 23906565 |
effects of hygiene and defecation behavior on helminths and intestinal protozoa infections in taabo, côte d'ivoire. | more than 1 billion people are currently infected with soil-transmitted helminths and schistosomes. the global strategy to control helminthiases is the regular administration of anthelmintic drugs to at-risk populations. however, rapid re-infection occurs in areas where hygiene, access to clean water, and sanitation are inadequate. | 2013 | 23840358 |
intestinal parasites in hiv-seropositive patients in the continental region of equatorial guinea: its relation with socio-demographic, health and immune systems factors. | prevalence of intestinal parasitic infections in hiv-positive people and its association with clinical and socioeconomic factors has been investigated on the mainland of equatorial guinea, in order to define the precise measures for improvement of their quality of life. | 2013 | 23783759 |
intestinal parasite prevalence in an area of ethiopia after implementing the safe strategy, enhanced outreach services, and health extension program. | the safe strategy aims to reduce transmission of chlamydia trachomatis through antibiotics, improved hygiene, and sanitation. we integrated assessment of intestinal parasites into large-scale trachoma impact surveys to determine whether documented environmental improvements promoted by a trachoma program had collateral impact on intestinal parasites. | 2013 | 23755308 |
intestinal parasitic infections in children presenting with diarrhoea in outpatient and inpatient settings in an informal settlement of nairobi, kenya. | the distribution of and factors associated with intestinal parasitic infections are poorly defined in high risk vulnerable populations such as urban slums in tropical sub-saharan africa. | 2013 | 23705776 |
intestinal parasitic infections among expatriate workers in al-madina al-munawarah, kingdom of saudi arabia. | al madinah al munawarah, kingdom of saudi arabia (ksa) has one of the largest number of expatriate workers. most of them are from sri-lanka, indonesia, philippines, india and bangladesh. these countries are considered as endemic areas for intestinal parasites. a total of 2732 stool samples were screened for intestinal parasites. positive cases were recorded among 407 stool samples (14.9%). the common parasitic infections were encountered among 20-29 age groups (18.5%) while, the lowest infection ... | 2013 | 23665711 |
[prevalence of intestinal parasites in the maxakali indigenous community in minas gerais, brazil, 2009]. | a prevalence survey using the tf-test technique to identify intestinal parasites was conducted in the maxakali indigenous villages in minas gerais state, brazil. stool samples were collected on three alternating days, in separate tubes, containing 10% formalin, and unified in a laboratory by double filtering centrifugation. samples of sediment aliquot were prepared in triplicate and examined by microscope (10x and 40x) for eggs, cysts, and larvae. prevalence of parasites (89.5%) and polyparasiti ... | 2013 | 23568298 |
prevalence of intestinal parasitic infections and risk factors among schoolchildren at the university of gondar community school, northwest ethiopia: a cross-sectional study. | intestinal parasitic infections are among the major public health problems in sub-saharan africa. their distribution is mainly associated with poor personal hygiene, environmental sanitation and limited access to clean water. indeed, epidemiological information on the prevalence of various intestinal parasitic infections in different localities is a prerequisite to develop appropriate control measures. therefore, the aim of this study was to assess the prevalence of intestinal parasitic infectio ... | 2013 | 23560704 |
webuye health and demographic surveillance systems baseline survey of soil-transmitted helminths and intestinal protozoa among children up to five years. | background. the intestinal parasitic infections (ipis) are globally endemic, and they constitute the greatest cause of illness and disease worldwide. transmission of ipis occurs as a result of inadequate sanitation, inaccessibility to potable water, and poor living conditions. objectives. to determine a baseline prevalence of ipis among children of five years and below at webuye health and demographic surveillance (hdss) area in western kenya. methods. cross-sectional survey was used to collect ... | 2013 | 23533444 |
prevalence of opportunistic intestinal parasitic infection among hiv infected patients who are taking antiretroviral treatment at jimma health center, jimma, ethiopia. | one of the major health problems among hiv sero-positive patients are superimposed infections due to the deficient immunity. furthermore, intestinal parasitic (ip) infections, which are also one of the basic health problems in tropical regions, are common in these patients. infection by opportunistic pathogens, including various forms of intestinal parasites has been the hall mark of hiv since the beginning of the epidemic. | 2013 | 23467951 |
prevalence of intestinal parasitic infections among highland and lowland dwellers in gamo area, south ethiopia. | epidemiological information on the prevalence of intestinal parasitic infections in different regions is a prerequisite to develop appropriate control strategies. therefore, this present study was conducted to assess the magnitude and pattern of intestinal parasitism in highland and lowland dwellers in gamo area, south ethiopia. | 2013 | 23419037 |
ascaris lumbricoides and trichuris trichiura infections associated with wastewater and human excreta use in agriculture in vietnam. | we assessed the risk of helminth infections in association with the use of wastewater and excreta in agriculture in hanam province, northern vietnam. in two cross-sectional surveys, we obtained samples from 1,425 individuals from 453 randomly selected households. kato-katz thick smear and formalin-ether concentration techniques were used for helminth diagnosis in two stool samples per person. socio-demographic and water, sanitation and hygiene related characteristics, including exposure to human ... | 2013 | 23305757 |
human intestinal parasites in non-biting synanthropic flies in ogun state, nigeria. | filth-feeding and breeding, non-biting synanthropic flies have been incriminated in the dissemination of human enteropathogens in the environment. this study determined the species of non-biting synanthropic flies associated with four filthy sites in ilishan, ogun state, southwest nigeria, and assessed their potentials for mechanical transmission of human intestinal parasites. 7190 flies identified as musca domestica (33.94%), chrysomya megacephala (26.01%), musca sorbens (23.23%), lucilia cupri ... | 2013 | 23290716 |
cross-sectional study on the prevalence of intestinal parasites and associated risk factors in teda health centre, northwest ethiopia. | objective. to assess the magnitude of intestinal parasitic infection and associated risk factors in teda health centre, northwest ethiopia. method. a cross-sectional study was conducted in teda health centre from february to april, 2011. stool samples were collected from 410 study participants and analysed by direct wet mount and formal ether concentration techniques. furthermore, sociodemographic data were collected by using standardized questionnaire. result. the overall prevalence of intestin ... | 2013 | 27335860 |
a retrospective analysis of the results of a five-year (2005-2009) parasitological examination for common intestinal parasites from bale-robe health center, robe town, southeastern ethiopia. | a cross-sectional retrospective survey using the past five years clinical records (2005-2009) was conducted. the study was aimed at assessing the status of common intestinal parasites from bale-robe health center, southeastern ethiopia, in 2009/2010. the survey involved collection of data recorded on intestinal parasite from the health center during 2005-2009. precoded questionnaires and interviews were also supplemented for knowledge attitude practices survey (kaps survey) to assess awareness l ... | 2013 | 27335857 |
pcr amplification and dna sequence analysis of parasitic intestinal protozoa in specimens stained with chlorazol black e. | chlorazol black e (cbe) stain has been used for the detection and identification of intestinal parasitic protozoa. in recent years, genotyping of protozoa has been performed to examine pathogenicity and for epidemiologic analysis. in this study, protozoan dna was amplified from preserved human fecal specimens stained with cbe that were positive for giardia intestinalis (syn. g. lamblia and g. duodenalis), chilomastix mesnili, pentatrichomonas hominis, and entamoeba histolytica. dna was amplified ... | 2013 | 23666647 |
intestinal parasitic infections in suburban government schools, lak hok subdistrict, muang pathum thani, thailand. | to provide baseline information of parasitic infections in 3 suburban government schools, lakhok subdistrict of muang pathum thani, thailand. | 2013 | 23827146 |
development of loop-mediated isothermal amplification for rapid detection of entamoeba histolytica. | to develop a loop-mediated isothermal amplification (lamp) assay for the detection of entamoeba histolytica e. histolytica, the causative agent of amebiasis. | 2013 | 23711706 |
prevalence of intestinal protozoa infection among school-aged children on pemba island, tanzania, and effect of single-dose albendazole, nitazoxanide and albendazole-nitazoxanide. | pathogenic intestinal protozoa infections are common in school-aged children in the developing world and they are frequently associated with malabsorption syndromes and gastrointestinal morbidity. since diagnosis of these parasites is difficult, prevalence data on intestinal protozoa is scarce. | 2013 | 23289920 |
systematic application of multiplex pcr enhances the detection of bacteria, parasites, and viruses in stool samples. | to determine whether systematic testing of faecal samples with a broad range multiplex pcr increases the diagnostic yield in patients with diarrhoea compared with conventional methods and a clinician initiated testing strategy. | 2013 | 23603249 |
surveillance for enteric pathogens in a case-control study of acute diarrhea in western kenya. | acute diarrhea remains a major public health problem in east african nations such as kenya. surveillance for a broad range of enteric pathogens is necessary to accurately predict the frequency of pathogens and potential changes in antibiotic resistance patterns. | 2013 | 23222955 |
prevalence of isosporiasis in relation to cd4 cell counts among hiv-infected patients with diarrhea in odisha, india. | to determine the prevalence of isospora belli and its correlation with cd4+ cell counts in hiv-positive patients with diarrhea in this region. | 2013 | 24223376 |
strategies to discover the structural components of cyst and oocyst walls. | cysts of giardia lamblia and entamoeba histolytica and oocysts of toxoplasma gondii and cryptosporidium parvum are the infectious and sometimes diagnostic forms of these parasites. to discover the structural components of cyst and oocyst walls, we have developed strategies based upon a few simple assumptions. briefly, the most abundant wall proteins are identified by monoclonal antibodies or mass spectrometry. structural components include a sugar polysaccharide (chitin for entamoeba, β-1,3-link ... | 2013 | 24096907 |
crystal structures of acetate kinases from the eukaryotic pathogens entamoeba histolytica and cryptococcus neoformans. | acetate kinases (acks) are members of the acetate and sugar kinase/hsp70/actin (askha) superfamily and catalyze the reversible phosphorylation of acetate, with adp/atp the most common phosphoryl acceptor/donor. while prokaryotic acks have been the subject of extensive biochemical and structural characterization, there is a comparative paucity of information on eukaryotic acks, and prior to this report, no structure of an ack of eukaryotic origin was available. we determined the structures of ack ... | 2013 | 23159802 |
[drug therapy of infectious diarrhea. part 2: chronic diarrhea]. | diarrheal diseases are among the most common diseases worldwide. in this review the current treatment recommendations for acute (part 1) and chronic (part 2) infectious diarrhea are summarized and typical enteropathogens are discussed. the second part of the article describes chronic diarrhea, its related pathogens and treatment. in contrast to acute diarrhea which is mainly caused by viral and typical bacterial pathogens, chronic diarrhea has mainly non-infectious origins. protozoal pathogens, ... | 2013 | 23917963 |
intestinal parasitosis in school children of lalitpur district of nepal. | enteric parasites are the most common cause of parasitic diseases and cause significant morbidity and mortality, particularly in developing countries like nepal. the objective of this study was to estimate the prevalence and risk factors of intestinal parasitic infections among school going children of lalitpur district of nepal. | 2013 | 24207086 |
study of opportunistic intestinal parasitic infections in human immunodeficiency virus/acquired immunodeficiency syndrome patients. | intestinal parasites predominantly coccidian parasites are a common cause for diarrhea in human immunodeficiency virus (hiv)-positive patients. | 2013 | 24672179 |
enteric pathogens in hiv infected and hiv uninfected individuals with diarrhea in pune. | diarrhea in hiv infected individuals is a common complication seen in about 90% of patients in developing countries. the objective of this study was to identify enteric pathogens in hiv infected and hiv uninfected individuals in pune. | 2013 | 23918286 |
prevalence and genetic diversity of entamoeba species infecting macaques in southwest china. | many colonies of macaques (macaca fascicularis and macaca mulatta) are maintained in china, especially in guangxi and guizhou. a total of 803 fresh stool samples infected with entamoeba were obtained from three big colonies of macaques located in southwest china. the samples were examined for the presence of five entamoeba species using pcr. entamoeba nuttalli, entamoeba dispar, entamoeba coli, and entamoeba chattoni infections were detected, but entamoeba histolytica infection was not. this stu ... | 2013 | 23354942 |
[an update on amebiasis]. | the description of entamoeba dispar, and the recovery of entamoeba moshkovskii from humans had a major impact in the epidemiology and clinical management of amebiasis. infections range from asymptomatic colonization to hemorrhagic colitis and extra-intestinal diseases. only a minority of amebiasis patients progress to the development of disease. recent studies suggest that susceptibility to infection, and its outcome is influenced by the host, parasite genotype, and environment. the identificati ... | 2013 | 24089276 |
real-time pcr assay in differentiating entamoeba histolytica, entamoeba dispar, and entamoeba moshkovskii infections in orang asli settlements in malaysia. | amebiasis caused by entamoeba histolytica is the third leading cause of death worldwide. this pathogenic amoeba is morphologically indistinguishable from e. dispar and e. moshkovskii, the non-pathogenic species. polymerase chain reaction is the current method of choice approved by world health organization. real-time pcr is another attractive molecular method for diagnosis of infectious diseases as post-pcr analyses are eliminated and turnaround times are shorter. the present work aimed to compa ... | 2013 | 23985047 |
need for species-specific detection for the diagnosis of amoebiasis in a non-endemic setting. | the diagnosis of amoebiasis caused by entamoeba histolytica is traditionally based on microscopy. however, the specificity of this method may be questioned, especially in areas where infections by e. histolytica are rare. in the present study, a species-specific real-time pcr was used for the identification of the morphologically similar species e. histolytica and entamoeba dispar. out of 15 microscopy-positive stool samples, all were negative for e. histolytica and positive for e. dispar. in 2 ... | 2013 | 23902585 |
different clinical outcomes of entamoeba histolytica in malaysia: does genetic diversity exist? | the present study was conducted to investigate the clinical outcomes of entamoeba histolytica infection in symptomatic and asymptomatic orang asli (aborigine) communities in malaysia. examination was performed on 500 stool samples obtained from orang asli communities in 3 different states using formalin-ether concentration, trichrome staining, and single-round pcr techniques. out of 500 stool samples, single infection of e. histolytica, entamoeba dispar, and entamoeba moshkovskii was identified ... | 2013 | 23710093 |
differential detection of entamoeba histolytica, entamoeba dispar and entamoeba moshkovskii in fecal samples by nested pcr in the united arab emirates (uae). | amoebiasis is one of the most important infectious diseases afflicting mainly tropical and subtropical countries. this study was carried out in the sharjah emirate, uae in order to accurately detect and differentiate entamoeba histolytica, entamoeba dispar and e. moshkovskii in fecal samples collected from the sharjah municipality public health clinic by elisa and nested polymerase chain reaction (pcr). one hundred and twenty specimens were examined and the pcr was positive for e. histolytica, e ... | 2013 | 23666654 |
intestinal parasitic and candida infection associated with hiv infection in cameroon. | hiv causes progressive impairment of the cellular immune system leading to increased susceptibility to infectious agents. parasitic infestations are common in hiv-infected patients and usually lead to diarrhoea. few studies have addressed the issue of intestinal parasites among hiv-infected persons in cameroon. this investigation was conducted in douala, cameroon, to assess the prevalence of gastrointestinal parasites in hiv-infected patients, taking into account their immune status and treatme ... | 2013 | 23416660 |
experimental amoebic liver abscess in hamsters caused by trophozoites of a brazilian strain of entamoeba dispar. | it has been claimed that amoebic molecules such as amoebapore, galactose/n-acetyl galactosamine inhibitable lectin, and cysteine proteases are responsible for host tissue destruction and are present in both pathogenic entamoeba histolytica and non-pathogenic entamoeba dispar. some reports have provided evidence that after infection with e. dispar, pathological changes may occur in some humans. the aim of this study was to evaluate e. dispar pathogenicity by comparing it to the pathogenicity of e ... | 2013 | 23380037 |
prevalence of entamoeba nuttalli infection in wild rhesus macaques in nepal and characterization of the parasite isolates. | we have recently resurrected the name entamoeba nuttalli castellani, 1908 for a potentially virulent ameba isolate, p19-061405, obtained from a rhesus macaque in kathmandu, nepal. the ameba was morphologically indistinguishable from entamoeba histolytica/entamoeba dispar/entamoeba moshkovskii, but located phylogenetically between e. histolytica and e. dispar. to evaluate the prevalence of e. nuttalli infection in wild rhesus macaques, 112 fecal samples were collected in four locations of the kat ... | 2013 | 23370534 |
use of multiplex real-time pcr for detection of common diarrhea causing protozoan parasites in egypt. | diarrhea is an important cause of morbidity and mortality, worldwide. giardia intestinalis, cryptosporidium spp., and entamoeba histolytica are the most common diarrhea-causing parasitic protozoa. diagnosis of these parasites is usually performed by microscopy. however, microscopy lacks sensitivity and specificity. replacing microscopy with more sensitive and specific nucleic acid based methods is hampered by the higher costs, in particular in developing countries. multiplexing the detection of ... | 2013 | 23114927 |
entamoeba dispar strains: analysis of polymorphism in tunisian isolates. | the ability to detect intra-species polymorphism in entamoeba histolytica and entamoeba dispar is an important tool for studying geographic distribution and transmission mechanisms. e. dispar and e. histolytica share the same mechanism for transmission among human hosts, and so after differentiation between these species. we studied the intra-species variation and distribution of e. dispar strains obtained from cyst passers, specifically from african students and tunisian food handlers. we analy ... | 2013 | 23036807 |
mini-flotac, an innovative direct diagnostic technique for intestinal parasitic infections: experience from the field. | soil-transmitted helminths and intestinal protozoa infection are widespread in developing countries, yet an accurate diagnosis is rarely performed. the aim of this study was to evaluate the recently developed mini-flotac method and to compare with currently more widely used techniques for the diagnosis of intestinal parasitic infections in different settings. | 2013 | 23936577 |
[water pollution and health risks at yaoundé, cameroon]. | the aim of this article consists of developing an ecosystemic approach to collect information about groundwater pollution in order to determine its origin and infer the health risks in mingoa's watershed through the study of 12 spontaneous settlements. from an environmental point of view, family interviews and direct observations allowed us to inventory springs, wells and latrines, and to collect information. so, we have selected, on the basis of predefined criteria, 21 wells and springs for phy ... | 2013 | 23916209 |
intestinal parasites in a quilombola community of the northern state of espírito santo, brazil. | the aim of this study was to determine the occurrence of intestinal parasites in a quilombola community from the northern espírito santo, brazil. descendants of slaves who arrived in brazil in the sixteenth century, this population settled in the municipality of são mateus in 1858. fresh fecal samples from 82 individuals who agreed to participate in the study were collected between august 2009 and july 2010, and immediately sent to the clinical laboratory of the centro universitário norte do esp ... | 2013 | 23740008 |
intestinal parasitic infections in hiv infected and non-infected patients in a low hiv prevalence region, west-cameroon. | the magnitude of intestinal parasitic infection in acquired immunodeficiency syndrome patients requires careful consideration in the developing world where poor nutrition is associated with poor hygiene and several tropical diseases. however, there have been very few studies addressing this issue in cameroon. this study was conducted to determine the prevalence of intestinal parasitosis in hiv/aids patients in dschang -cameroon. stool and blood specimens from hiv/aids patients and control group ... | 2013 | 23451283 |
breast-feeding protects infantile diarrhea caused by intestinal protozoan infections. | this study investigated the effect of breast-feeding in protection against protozoan infection in infants with persistent diarrhea. infants were classified into 2 groups; 161 breast-fed infants and the same number of non-breast-fed infants. microscopic examinations of stool were done for detection of parasites and measuring the intensity of infection. moreover, serum levels of ige and tnf-α were measured by elisa. cryptosporidium spp., entamoeba histolytica/entamoeba dispar, giardia lamblia, and ... | 2013 | 24327776 |
influence of parasite density and sample storage time on the reliability of entamoeba histolytica-specific pcr from formalin-fixed and paraffin-embedded tissues. | we report on the reliability of polymerase chain reaction (pcr) for the detection of entamoeba histolytica from formalin-fixed, paraffin-embedded tissue in comparison with microscopy and have determined predictors that may influence pcr results. e. histolytica-specific and entamoeba dispar-specific real-time pcr and microscopy from adjacent histologic sections were performed using a collection of formalin-fixed, paraffin-embedded tissue specimens obtained from patients with invasive amebiasis. s ... | 2013 | 24193008 |
differentiation of entamoeba histolytica/entamoeba dispar by the polymerase chain reaction in stool samples of patients with gastrointestinal symptoms in the sanliurfa province. | we aimed to diagnose amebiasis and also identify entamoeba histolytica (e. histolytica) and entamoeba dispar (e. dispar) in patients with gastrointestinal symptoms in an endemic region in turkey. | 2013 | 24192618 |
diagnosis of multiple enteric protozoan infections by enzyme-linked immunosorbent assay in the guatemalan highlands. | we tested a prototype stool enzyme-linked immunosorbent assay (elisa) (tri-combo) that is simultaneously diagnostic for giardia lamblia, cryptosporidium parvum, and entamoeba histolytica in a rural pediatric clinic in guatemala. we compared its results to those of three individual elisas for these parasites, assessed the prevalence of these parasites, and compared our findings to those found by stool microscopy. we tested 620 non-diarrheal stools. the tri-combo diagnosed 57 positive samples and ... | 2013 | 23185076 |
natural infection of baboons by entamoeba histolytica elicits anti- gal-lectin heavy subunit iga and igg antibodies with shared epitope specificity to that of humans. | non-human primates, such as baboons (papio hamadryas anubis), are natural hosts for entamoeba species; infections can be asymptomatic or result in invasive lethal disease. it was sought to determine whether following natural infection by entamoeba. histolytica, baboon anti-amebic antibodies recognized native gallectin, a recombinant portion of the lectin heavy subunit (designated lc3) and specific heavy subunit epitopes; we compared the specificity of anti-amebic antibodies from baboons to that ... | 2013 | 24640872 |
hepatopleuropulmonary amoebiasis--a case report. | amoebiasis is a food-borne protozoan infection, caused by entamoeba histolytica. here a case of hepatopleuropulmonary amoebiasis, which was detected after fibre-optic bronchoscopy is reported. bronchial aspirate showed trophozoites of entamoeba histolytica. the patient was treated with tinidazole and responded favourably. | 2013 | 24765700 |
entamoeba histolytica meningoencephalitis diagnosed by trophozoites in cerebrospinal fluid. | entamoeba histolytica meningoencephalitis has not been described in the modern literature, which is distinct from that caused by free-living amoebae. we report the first case of e. histolytica meningoencephalitis without liver or brain abscesses. cerebrospinal fluid revealed 2 + very motile trophozoites. our patient was successfully treated with intravenous metronidazole. | 2013 | 25356319 |