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Research Article Open access CC BY 4.0

Predilection Site for the Meat Lover Trichinella spp Larvae and its Pathogenesis and Potency in Human Host

Forman Erwin Siagian

Asian Journal of Research in Zoology · pp. 57–63 · Published 15 May 2024

10.9734/ajriz/2024/v7i2150

Abstract

Aims: To revisited carefully previously published articles available in the internet regarding predilection site of Trichinella spp larvae including their pathogenesis and its potency. Discussion: By carefully reviewing previously published literature available in the internet regarding the parasite Trichinella tropism to its host’s striated muscle, the author briefly withdraw some important keypoint to be revealed. The nematode Trichinella spp causes serious zoonosis called trichinellosis, a disease affecting striated or skeletal muscles which consider as one of tropical disease. Even though its natural host varied, but infection among live stocks, such as pigs and other animals, which are raising public health concern. Human infection occurs after consumption of raw or undercooked meat or meat products contain muscle larvae of T. spiralis. The tropism of the parasite for individual striated muscles and/or striated muscle groups varies significantly. Trichinella spp. has a direct life cycle where all three life cycle stages (the infective muscle larvae, adult, and new born larvae) happen serially in one host only. Intestine-dwelling adults of Trichinella produce newborn larvae that bypass the enterocyte, enter the bloodstream and colonize skeletal muscle. The muscle larvae assemble excretory-secretory products which play crucial role in establishing and maintaining persistent parasitism and the host’s immune modulation and evasion. It turns out that excretory-secretory products from muscle larvae and mature worm also have hidden medical potential that can be used to treat allergic problems, inflammation-based diseases, autoimmunity and even malignancy. Conclusion: Trichinellosis is a serious and potentially fatal zoonosis which transmitted through consuming raw or uncooked contaminated meat or its comestibles. Its primary tropism is to the host’s striated muscle and infection can persist for a long time facilitated by several reciprocities of its product (e.g., excretory-secretory) with the host’s cell and immune system. Fortunately, there are several promising potency in the field of therapeutic and prevention medicine which should be explored intensely.

Tropical disease nematode tropism striated muscle carcasses trichinosis trichinelosis

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