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The peptide fraction of Bothrops jararaca snake venom induces toxicological effects on the male reproductive system after local envenomation in mice

引用

BIOCELL 2023年第2期47卷 289-295页

作者： CARLOS ALBERTO-SILVA ANA CAROLINA DE ARAUJO RODRIGO SIMÃO BONFIM joyce meire gilio Natural and Humanities Sciences Center Experimental Morphophysiology LaboratoryFederal University of ABC(UFABC)São Bernardo do Campo09606-070Brazil Departamento de Biofísica Universidade Federal de São PauloSão Paulo04023-062Brazil

Bothrops envenomation is complex and provokes prominent local tissue damage and systemic disturbances,but little is known about their effects on the male reproductive *** intratesticular injection,the bioactive peptide fraction(Bj-PF)obtained from Bothrops jararaca snake venom changes the structure of different stages of the seminiferous epithelium cycle in adult *** the first time,we investigated whether local envenomation of Bj-PF induces toxicological effects on the male reproductive system,particularly on the seminiferous epithelium and Sertoli *** adult mice were treated with 0.24 ***^(-1) by intramuscular(i.m.)injection for 24 *** testes samples were collected for morphological and morphometric *** toxicological effects of Bj-PF were also analyzed on mitochondrial metabolism and nitrite(NO2)production in 15P-1 Sertoli cell ***-PF changed the structure and function of the seminiferous epithelium,particularly the disruption of the epithelium and the presence of degenerated germ cells in the adluminal compartment,but there were no alterations in the basal ***-PF increased the thickness of the seminiferous epithelium and decreased the lumen diameter of the *** histological assessment of the degree of tubule degeneration revealed that Bj-PF also increased the number of hypospermatogenic tubules compared to ***-PF reduced NO2 levels in 15P-1 Sertoli cells without changing the mitochondrial ***,the fact that Bj-PF alters the structure and function of the seminiferous epithelium suggests that bioactive peptides found in *** snake venom can have toxicological effects on the reproductive systems of affected male mice,providing new insight into the biological characteristics of snake venom and therapeutic strategies for envenomation inflammation.

关键词： Snake venom Bothrops jararaca Reproductive toxicology Seminiferous epithelium

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