نتایج جستجو برای: helminth

تعداد نتایج: 4686  

2015
Jakub Kreisinger Géraldine Bastien Heidi C Hauffe Julian Marchesi Sarah E Perkins

The gut microbiota is vital to host health and, as such, it is important to elucidate the mechanisms altering its composition and diversity. Intestinal helminths are host immunomodulators and have evolved both temporally and spatially in close association with the gut microbiota, resulting in potential mechanistic interplay. Host-helminth and host-microbiota interactions are comparatively well-...

2016
Daniel Donghyun Kim

A STUDY OF THE RELATIONSHIP BETWEEN PSYCHOLOGICAL ANDROGYNY AND COLLEGE ADJUSTMENT AMONG KOREAN AMERICAN COLLEGE STUDENTS by Daniel Donghyun Kim Chair: Frederick Kosinski R eproduced with perm ission of the copyright owner. Further reproduction prohibited without perm ission. ABSTRACT OF GRADUATE STUDENT RESEARCH DissertationOF GRADUATE STUDENT RESEARCH Dissertation Andrews University Departmen...

Journal: :Inflammatory bowel diseases 2016
Fernando Lopes Chelsea Matisz José L Reyes Humberto Jijon Ahmed Al-Darmaki Gilaad G Kaplan Derek M McKay

By reputation, the parasite is a pariah, an unwelcome guest. Infection with helminth parasites evokes stereotypic immune responses in humans and mice that are dominated by T helper (Th)-2 responses; thus, a hypothesis arises that infection with helminths would limit immunopathology in concomitant inflammatory disease. Although infection with some species of helminths can cause devastating disea...

2013
Emil Ivan Nigel J. Crowther Eugene Mutimura Lawrence Obado Osuwat Saskia Janssen Martin P. Grobusch

BACKGROUND Within sub-Saharan Africa, helminth and malaria infections cause considerable morbidity in HIV-positive pregnant women and their offspring. Helminth infections are also associated with a higher risk of mother-to-child HIV transmission. The aim of this study was to determine the prevalence of, and the protective and risk factors for helminth and malaria infections in pregnant HIV-posi...

2014
Dawit Gebreegziabiher Kassu Desta Girmay Desalegn Rawleigh Howe Markos Abebe

BACKGROUND M. tuberculosis and helminth infection each affects one third of the world population. Helminth infections down regulate cell mediated immune responses and this may contribute to lower efficacy of BCG vaccination and higher prevalence of tuberculosis. OBJECTIVE To determine the effect of maternal helminth infection on maternal and neonatal immune function and immunity to TB. METH...

2007
MIGUEL A. CARRETERO VICENTE ROCA JUAN E. MARTIN GUSTAVO A. LLORENTE ALBERT MONTORI XAVIER SANTOS JUDIT MATEOS

Diet and helminth fauna were analysed in Gallotia stehlini (Schenkel, 1901), a giant lacertid lizard endemic to Gran Canaria (Canary Islands, Spain) in order to explore eventual relationships between both traits. This species is mainly herbivorous, eating a large proportion of plant matter (occurrence 97.1%) including not only seeds but also leaves and other vegetative parts. Helminth fauna inc...

2016
Neima Briggs Jill Weatherhead K Jagannadha Sastry Peter J Hotez

Current iterations of the hygiene hypothesis suggest an adaptive role for helminth parasites in shaping the proper maturation of the immune system. However, aspects of this hypothesis are based on assumptions that may not fully account for realities about human helminth infections. Such realities include evidence of causal associations between helminth infections and asthma or inflammatory bowe...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2009
Mark W Robinson John P Dalton

Zoonotic infections are among the most common on earth and are responsible for >60 per cent of all human infectious diseases. Some of the most important and well-known human zoonoses are caused by worm or helminth parasites, including species of nematodes (trichinellosis), cestodes (cysticercosis, echinococcosis) and trematodes (schistosomiasis). However, along with social, epidemiological and ...

Journal: :Science 2014
Lisa C Osborne Laurel A Monticelli Timothy J Nice Tara E Sutherland Mark C Siracusa Matthew R Hepworth Vesselin T Tomov Dmytro Kobuley Sara V Tran Kyle Bittinger Aubrey G Bailey Alice L Laughlin Jean-Luc Boucher E John Wherry Frederic D Bushman Judith E Allen Herbert W Virgin David Artis

The mammalian intestine is colonized by beneficial commensal bacteria and is a site of infection by pathogens, including helminth parasites. Helminths induce potent immunomodulatory effects, but whether these effects are mediated by direct regulation of host immunity or indirectly through eliciting changes in the microbiota is unknown. We tested this in the context of virus-helminth coinfection...

Journal: :تحقیقات دامپزشکی 0
شاهرخ رنجبر بهادری گروه انگل شناسی دانشکده دامپزشکی دانشگاه آزاد گرمسار علی اسلامی گروه انگل شناسی دانشکده دامپزشکی دانشگاه تهران رضا آقا ابراهیمی سامانی گروه انگل شناسی دانشکده دامپزشکی دانشگاه تهران

present research was for study on parasitic infections of domestic ruminants in golestan province. 234 samples of the gastrointestinal tracts contents, 260 livers, 180 lungs, 350 hearts and muscles, 300 abdominal cavities and 100 eyes for infection to helminthes, 800 blood samples for protozoa and external coats of 700 animals were examined for arthropoda. results showed that 19.74% of sheep ga...

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