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Abstract Title:

Immunopathological effects of Agaricus blazei Murill polysaccharides against Schistosoma mansoni infection by Th1 and NK1 cells differentiation.

Abstract Source:

Int Immunopharmacol. 2019 Aug ;73:502-514. Epub 2019 Jun 4. PMID: 31173972

Abstract Author(s):

Ming-Hong Lin, Kin-Mu Lee, Che-Yuan Hsu, Shih-Yi Peng, Ching-Nan Lin, Chin-Chu Chen, Chia-Kwung Fan, Po-Ching Cheng

Article Affiliation:

Ming-Hong Lin

Abstract:

In this study, we examined the ability of A. blazei Murill polysaccharides (AB-PS) to activate the immune system in vivo and the protective activity exhibited against parasitic S. mansoni in the murine model. AB-PS treatment significantly reduced the worm and egg burden in infected BALB/c and C57BL/6 mice with dose- and time-dependent manners. Additionally, a dose- and time-dependent expression of IL-2, INF-γ, and TNF-α cytokines was also observed in both strains of mice treatments. Using T1/T2 doubly transgenic mice, we demonstrated that AB-PS-treated mice splenocytes initiated early differentiation of Th1 and NK1 cells, which was consistent with the reduction course of Schistosoma infection. Although AB-PS treatment enhanced the Th1 response, it did not suppress Th2 cell activity in treated mice. Histopathological data of the livers showed AB-PS treatment significantly attenuated the liver fibrosis induced by S. mansoni eggs. AB-PS augmented type-1 responses by inducing Th1 and NK1 cell differentiation to effectively decrease the infection rate of S. mansoni. Furthermore, AB-PS treatment may not only inhibit the schistosome infection, but also improving the pathological effects of granulomas formation. This study provides evidence for a novel therapeutic potential, by which A. blazei Murill may be used to treat or prevent schistosome infection.

Study Type : Animal Study

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