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Morphologic and Morphometric-stereologic analysis of irradiated testes versus the potencial protective effect of the renin angiotensin system inhibitors

Grant number: 15/11843-4
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Start date: January 01, 2016
End date: November 30, 2016
Field of knowledge:Biological Sciences - Morphology - Embryology
Principal Investigator:Maria Angélica Spadella Santos
Grantee:Isabela Fernandes Jorge
Host Institution: Faculdade de Medicina de Marília (FAMEMA). Secretaria de Desenvolvimento Econômico (São Paulo - Estado). Marília , SP, Brazil

Abstract

The radiotherapy represents one of the most commons and fundamental modalities for treating cancer. However, the ionizing radiation causes important deleterious effects in the tissues which occur particularly because of the oxidative stress, fenomenal with the participation of the Renin-Angiotensin System (RAS). The activity of the radiation in the testes can affect menacingly the reproductive capacity and also be the cause of the temporary, prolonged, or even the definitive azoospermia. Considering the presence of an intrinsic RAS in the male genital system, where it participates in several physiological processes like spermatogenesis; it is relevant to investigate if the RAS inhibitors have a modulator role in this process, reducing the oxidative stress and consequently avoiding the radiation effects on the reproductive tissues since its effectiveness in the prevention of the development or attenuation of the cell damage was observed in other tissues irradiated.

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MANSANO, NAIRA DA SILVA; JORGE, ISABELA FERNANDES; CHIES, AGNALDO BRUNO; VIANI, GUSTAVO ARRUDA; SPADELLA, MARIA ANGELICA. Effects of telmisartan and losartan on irradiated testes. Life Sciences, v. 194, p. 157-167, . (15/20740-4, 15/11843-4)