期刊
RESEARCH IN VETERINARY SCIENCE
卷 134, 期 -, 页码 69-77出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2020.11.015
关键词
Cysticercosis; Human taeniasis; Immunomodulation; Diagnosis; Treatment; Epidemiology and control
资金
- Department of Microbiology and Parasitology of the Faculty of Medicine at the Universidad Nacional Autonoma de Mexico (UNAM), Mexico
This article discusses zoonotic taeniasis caused by the adult stage of Taenia solium, Taenia saginata, or Taenia asiatica, highlighting their life cycles, diagnosis, pathogenesis, symptoms, and prevention and control measures. It emphasizes the need to validate diagnostic tools and treatments in endemic areas and address vulnerable populations lacking resources. Additionally, it explores the immune response and immunomodulation elicited by the parasites for potential use in the treatment of emerging inflammatory diseases worldwide.
Zoonotic taeniasis caused by the adult stage of Taenia solium, Taenia saginata or Taenia asiatica are considered neglected tropical diseases by the World Health Organization. The life cycle of these 3 metazoan species is very similar and includes an intermediate host: pigs in the case of T. solium and T. asiatica, and cattle in the case of T. saginata. By eating meat (pork/T. solium, T. asiatica; beef/T. saginata) containing live cysticerci, humans develop taeniasis, which is practically asymptomatic but is the main risk factor for intermediate hosts to become infected. T. saginata causes bovine cysticercosis, while T. solium and T. asiatica cause swine cysticercosis, of veterinary and economic importance. T. solium cysticerci cause neurological disease in humans: neurocysticercosis. Cysticerci develop after ingesting microscopic eggs released from a human tapeworm carrier. Here we describe the life stages of the parasites, diagnosis, pathogenesis, symptomatology of neurocysticercosis, and prevention and control measures. Highlighting the need to validate diagnostic tools, treatments and vaccination in endemic areas, with the challenge of addressing the most vulnerable populations that lack resources. If people understand the transmission route, avoid eating uncooked or insufficiently cooked meat and have adequate hygienic habits, the life cycle of the 3 zoonotic Taenia species may be interrupted. In addition, we describe the growing field of immune response and immunomodulation elicited by the parasites, which may provide essential tools for diagnosis, treatment, control of taeniasis/cysticercosis, as well as for identification of parasite-derived immunomodulators that could aid in the treatment of emerging inflammatory diseases worldwide.
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