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In breast cancer, hormonal changes are rather constant in post-menopausal women since they tend to vary only over long time spans. However, in pre-menopausal women, the development of breast cancer is associated with hormonal physiological variations. The aim of the present work was to analyse the changes in circulating levels of gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone...
The aim of this study was to investigate the putative changes in serum angiotensinase activities (aminopeptidase N, APN; aminopeptidase B, APB; aminopeptidase A, APA; aspartyl aminopeptidase, ASAP) involved in the renin–angiotensin system (RAS) in women with breast cancer treated or not with a neoadjuvant therapy of paclitaxel and anthracycline and in healthy women volunteers.We fluorometrically analysed...
Angiotensin peptides regulate vascular tone and natriohydric balance through the renin angiotensin system (RAS) and are related with the angiogenesis which plays an important role in the metastatic pathway. Estrogen influences the aminopeptidases (APs) involved in the metabolism of bioactive peptides of RAS through several pathways. We analyze RAS-regulating AP activities in serum of pre- and postmenopausal...
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