نتایج جستجو برای: helminths
تعداد نتایج: 4952 فیلتر نتایج به سال:
BACKGROUND In Guangxi, a province of southern China, an important number of dogs and cats roam freely in rural settings, and the presence of these animals in proximity of people may represent a risk of parasitic zoonoses. The objective of the present study was to investigate the presence and identify gastrointestinal helminths in feral carnivores in Guangxi province. Therefore, post mortem exam...
Heart disease and type 2 diabetes are commonly believed to be rare among contemporary subsistence-level human populations, and by extension prehistoric populations. Although some caveats remain, evidence shows these diseases to be unusual among well-studied hunter-gatherers and other subsistence populations with minimal access to healthcare. Here we expand on a relatively new proposal for why t...
The pink shrimp Farfantepenaeus duorarum may acquire pollutants, helminths and symbionts from their environment. Statistical associations were studied between the symbionts and helminths of F. duorarum and pollutants in sediments, water and shrimps in Campeche Sound, Mexico. The study area spatially overlapped between offshore oil platforms and natural shrimp mating grounds. Spatial autocorrela...
Structural Differences between Human Proteins and Aero- and Microbial Allergens Define Allergenicity
The current paradigm suggests that structural homology of allergenic proteins to microbial (particularly helminths) or human proteins underlie their allergenic nature. To examine systematically the structural relationships among allergens and proteins of pathogens (helminths, protozoans, fungi and bacteria) as they relate to allergenicity, we compared the amino acid sequence of 499 molecularly-...
The gastrointestinal tract (GIT) of animals harbor a variety of parasites particularly helminths, which causes clinical and sub-clinical parasitism. These parasites adversely affect the health status of animals and cause enormous economic losses to the livestock industry. The aim of this study was to determine the prevalence of helminths in cattle of Kirinyaga County. Epidemiological data was c...
UHAZY, L. S., and J. C. HOLMES. 1971. Helminths of the Rocky Mountain bighorn sheep in Western Canada. Can. J. Zool. 49: 507-512. Thirty-six Rocky Mountain bighorn sheep (Ovis c. canadensis), 33 from four areas in Alberta and 3 from Kootenay National Park, British Columbia, were examined for helminths. Data from these exammations were supplemented by examination of 462 fecal samples from the sa...
Infection by helminths (worms) may be limited solely to the intestinal lumen or may involve a complex process with migration of the adult or immature worm through the body before localization in a particular tissue. Complicating our understanding of the host– parasite relationship and the role of chemotherapy in helminth-induced infections is the complex life cycle of many of these organisms.Wh...
To determine the role of moderate- and low-intensity infections with Schistosoma mansoni and intestinal helminths (hookworm, Trichuris trichiura, Ascaris lumbricoides) on the prevalence of anemia and their relationship to iron consumption, a cross-section of 1,709 children in rural Brazil was studied. All participants were selected for infection with one or multiple helminthic parasites, and de...
Although the molecules and cells involved in triggering immune responses against parasitic worms (helminths) remain enigmatic, research has continued to implicate expansions of T-helper type 2 (Th2) cells and regulatory T-helper (T(reg)) cells as a characteristic response to these organisms. An intimate association has also emerged between Th2 responses and wound-healing functions. As helminth ...
Intestinal Parasitic Infections are primarily caused by protozoans and helminths [1]. They frequently transmitted via consumption of contaminated food water spread from person to through fecal oral contacts.
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