ArticleThe journal of venomous animals and toxins including tropical diseases2020
Toxicological effects of bioactive peptide fractions obtained from
Article in The journal of venomous animals and toxins including tropical diseases, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 14 citations in OpenAlex.
- Bioprospection of rattlesnake venom peptide fractions with anti-adipose and anti-insulin resistance activityToxicon: X · 2024Article
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPathogenesis of
methodsLMWF (5 µg/dose per testis) venom was administered in male Swiss mice by intratesticular (i.t.) injection. Seven days after this procedure, the testes were collected for morphological and morphometric evaluation, distribution of claudin-1 in the seminiferous epithelium by immunohistochemical analyses of testes, and the nitric oxide (NO) levels were evaluated in the total extract of the testis protein. In addition, the toxicological effects of LMWF and crude venom (CV) were analyzed on the 15P-1 Sertoli cell culture.
resultsLMWF induced changes in the structure and function of the seminiferous epithelium without altering claudin-1 distribution. LMWF effects were characterized especially by lost cells in the adluminal compartment of epithelium (spermatocytes in pachytene, preleptotene spermatocytes, zygotene spermatocytes, and round spermatid) and different stages of the seminiferous epithelium cycle. LMWF also increased the NO levels in the total extract of the testis protein and was not cytotoxic in concentrations and time tested in the present study. However, CV showed cytotoxicity at 10 μg/mL from 6 to 48 h of treatment.
conclusionsThe major finding of the present study was that the LMWF inhibited spermatozoa production; principally in the spermiogenesis stage without altering claudin-1 distribution in the basal compartment. Moreover, NO increased by LMWF induce open of complexes junctions and release the germ cells of the adluminal compartment to the seminiferous tubule.
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Registered trials
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