نتایج جستجو برای: helminth infection

تعداد نتایج: 458581  

Journal: :iranian journal of parasitology 0
ali yousefi dept. of pathobiology, science and research branch, islamic azad university, tehran, iran. ali eslami dept. of pathobiology, science and research branch, islamic azad university, tehran, iran. iraj mobedi dept. of medical parasitology and mycology, school of public health, tehran university, tehran, iran. sadegh rahbari dept. of pathobiology, science and research branch, islamic azad university, tehran, iran. hooman ronaghi dept. of pathobiology, science and research branch, islamic azad university, tehran, iran.

background: to determine the prevalence and intensity of helminths and their zoonotic importance in small rodents inhabiting in the suburban areas of hamadan city,iran. methods: the present survey was conducted on the helminth infections of two species of rodents apodemus sylvaticus (n=60) and mus musculus (n=72) in the suburban areas of hamadan city during 2010-2012. rodents were collected and...

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...

2010
Judd L. Walson Barclay T. Stewart Laura Sangaré Loice W. Mbogo Phelgona A. Otieno Benjamin K. S. Piper Barbra A. Richardson Grace John-Stewart

BACKGROUND Deworming HIV-1 infected individuals may delay HIV-1 disease progression. It is important to determine the prevalence and correlates of HIV-1/helminth co-infection in helminth-endemic areas. METHODS HIV-1 infected individuals (CD4>250 cells/ul) were screened for helminth infection at ten sites in Kenya. Prevalence and correlates of helminth infection were determined. A subset of in...

A. Geraili H. Noormohammadi M. Dabirzadeh M. Khoshsima Shahrak Y. Maroufi,

Canids are reservoir for some zoonoses helminthic disease. They are one of main public health problem. Theaim of this study was to ascertain frequency of gastrointestinal helminthic infection of stray dogs in Zabol city,southeaster of Iran. In this descriptive study, 30 stray dogs were euthanized, intestine was removed by necropsy.Then, the intestines was opened by scalpel and their contents pa...

2015
Stephanie M. Coomes Victoria S. Pelly Yashaswini Kannan Isobel S. Okoye Stephanie Czieso Lewis J. Entwistle Jimena Perez-Lloret Nikolay Nikolov Alexandre J. Potocnik Judit Biró Jean Langhorne Mark S. Wilson Adrian Paul Mountford

Parasitic helminths establish chronic infections in mammalian hosts. Helminth/Plasmodium co-infections occur frequently in endemic areas. However, it is unclear whether Plasmodium infections compromise anti-helminth immunity, contributing to the chronicity of infection. Immunity to Plasmodium or helminths requires divergent CD4+ T cell-driven responses, dominated by IFNγ or IL-4, respectively. ...

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...

Behzad Pourreza, Soraya Naem, Tahmineh Gorgani-Firouzjaee

From April 2009 to December 2011, 44 dead hedgehogs (Erinaceus europaeus) were collected incidentally from areas of Urmia, Iran. The overall prevalence of helminth infections was 95.0%. Specific parasites and their prevalences were: Physalopteraclausa(93.0%), Crenosoma striatum (61.0%), Capillariaaerophila(9.0%), Capillariasspp.(4.0...

2016
Svenja Steinfelder Noëlle Louise O’Regan Susanne Hartmann

Helminths have evolved numerous pathways to prevent their expulsion or elimination from the host to ensure long-term survival. During infection, they target numerous host cells, including macrophages, to induce an alternatively activated phenotype, which aids elimination of infection, tissue repair, and wound healing. Multiple animal-based studies have demonstrated a significant reduction or co...

Journal: :Journal of Immunology 2023

Abstract Chronic helminth infection has been considered a serious public health issue. Due to the widespread of helminthiasis, people co-infected with and other pathogens, such as virus, may be common. Studies suggest that exert immunomodulatory effects alter host susceptibility subsequent unrelated pulmonary Mycobacterium tuberculosis. However, outcome helminth-respiratory viral co-infection r...

2014
Angela Pinot de Moira Colin M. Fitzsimmons Frances M. Jones Shona Wilson Pierre Cahen Edridah Tukahebwa Harriet Mpairwe Joseph K. Mwatha Jeffrey M. Bethony Per S. Skov Narcis B. Kabatereine David W. Dunne

BACKGROUND The poor correlation between allergen-specific immunoglobulin E (asIgE) and clinical signs of allergy in helminth infected populations suggests that helminth infections could protect against allergy by uncoupling asIgE from its effector mechanisms. We investigated this hypothesis in Ugandan schoolchildren coinfected with Schistosoma mansoni and hookworm. METHODS Skin prick test (SP...

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