The pathogenesis of Entamoeba histolytica in the colon occurs in a step-wise fashion beginning
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The cultivation of entamoeba histolytica in HSr+ s medium
In 1926 for the first time Dobell and laid low synthesized and used Hsre+ s ( horse serum, ringer, egg+ starch rice) as a culture medium for growth of E.histolytica. since then this medium along with tens of other media have been used for growth of E.histolytica and other intestinal microorganisms. This medium has been used worldwide in many diagnostic and research laboratories. In Iran, in ...
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It has been suggested that two distinct species exist within what was originally known as Entamoeba histolytica and E. dispar. These are Entamoeba dispar for the nonpathogenic and E. histolytica for the pathogenic fonn. Differentiation of these two organisms is of great clinical importance since they are morphologically indistinguishable and both fonns can infect the human intestinal cavity...
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Abstract Background and Objectives: Giardia lamblia and Entamoeba histolytica are the most prevalent human intestinal pathogenic protozoa, worldwide. The clinical features of Giardia infection are acute diarrhea, a chronic condition with continuous diarrhea and malabsorption. Entamoeba histolytica invade intestinal tract without any typical clinical indications, and it can involve liver and oth...
متن کاملتمایز انتاموبا هیستولیتیکا و انتاموبا دیسپار با یک واکنش زنجیرهای پلیمراز
Abstract: Background and Aim: In most part of the world detection of cysts and trophozoites of Entamoeba is based on morphological structure of this species in stool sample by microscopy. However, microscopic examination is unable to distinguish between similar morphological protozoa such as Entamoeba histolytica and Entamoeba dispar. A simple and cost-effective method is needed in medical lab...
متن کاملProstaglandin E2 produced by Entamoeba histolytica binds to EP4 receptors and stimulates interleukin-8 production in human colonic cells.
Entamoeba histolytica pathogenesis in the colon occurs in a stepwise fashion. It begins with colonization of the mucin layer, which is followed by stimulation of a proinflammatory response that causes nonspecific tissue damage that may facilitate parasite invasion of the underlying colonic mucosa. Unfortunately, the parasite and/or host factors that stimulate a proinflammatory response in the g...
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