Ultrastructural Studies on the Cystic and Vacuolar Forms of Blastocystis Sp. from Animal Isolates
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Differences in clinical significance and morphologic features of Blastocystis sp subtype 3.
Blastocystis is a polymorphic intestinal parasite that is common in humans. A total of 51 asymptomatic and symptomatic patients positive for Blastocystis only were included in the study. Symptoms were mainly nonspecific gastrointestinal symptoms. Blastocystis isolates were xenically cultured and subtyped. Blastocystis species subtype 3 was the predominant subtype. Intrasubtype differences (vacu...
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The pathogenic potential of Blastocystis sp. in experimental models requires further investigation. In this work, the pathogenicity of this parasite in the gastrointestinal tract of male Swiss mice was evaluated according to the inoculum size and period of infection. Animals were infected intragastrically, with 100, 500, 1,000, 5,000 and 10,000 Blastocystis sp. vacuolar forms obtained from a mi...
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Background and Aim: Blastocystis sp., is one of the most common intestinal protozoan parasites found in both human and animal fecal samples. The pathogenicity and cytopathic effects of subtypes ST1-3 and 6 of Blastocystis sp., on gastrointestinal cell line are not clear. This study aimed to investigated intra-subtype variations on the apoptosis and cytopathic effects on HT-29 cell line in 2019,...
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Background and Objective: Blastocystis sp. is an anaerobic, single-celled intestinal parasite with global prevalence that is found in the lower digestive tract of humans and many animals, such as numerous types of vertebrates. To date, 17 genotypes have been identified. Nine of these genotypes are common in humans. Organism is found in both healthy and compromised individuals, hence its pathoge...
متن کاملMolecular Epidemiology of Blastocystis sp. in Various Animal Groups from Two French Zoos and Evaluation of Potential Zoonotic Risk
Blastocystis sp. is a common intestinal parasite infecting humans and a wide range of animals worldwide. It exhibits an extensive genetic diversity and 17 subtypes (STs) have thus far been identified in mammalian and avian hosts. Since several STs are common to humans and animals, it was proposed that a proportion of human infections may result from zoonotic transmission. However, the contribut...
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تاریخ انتشار 2016