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Imunolocalização de angiotensina-(1-7), angiotensina II e Enzima Conversora de Angiotensina tipo II em ovário de cabra / Immunolocalization of angiotensin-(1-7), angiotensin II and Angiotensin Converting Enzyme II in goat ovary

Feitosa, Lauro César Soares; Ferreira, Siluana Benvindo; Sampaio, Kinulpe Honorato; Sousa Junior, Antônio De; Viana, Gregório Elias Nunes; Costa, Amilton Paulo Raposo.
R. bras. Reprod. Anim.; 40(4): 638-640, Out-Dez. 2016. ilus
Artigo em Português | VETINDEX | ID: vti-24318

Resumo

There is increasing evidence the participation of ovarian renin-angiotensin system in importantreproductive processes. This study aimed to investigate the presence and location of Ang II, Ang-(1-7) and ACE2in goat ovaries. Ten ovaries from goats killed in slaughterhouse were collected, washed in buffered PBS,perfused with protease inhibitor solution and processed for histology standard protocol. The search of peptideswas performed using the avidin–biotin–peroxidase method. A strong immunoreactivity for Ang II in theca cellsof antral follicles and corpora lutea was observed. Antral follicles (theca cells), corpora lutea and oocytecytoplasm in early antral follicles exhibited strong immunoreactivity for Ang-(1-7). There was strongimmunoreactivity for ACE2 in the cytoplasm of luteal cells and theca cells of antral follicles. For the first time,the presence and location of Ang II, Ang-(1-7) and ACE2 are reported in goat ovary, can regulate folliculardevelopment, oocyte maturation and corpus luteum development.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1