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Angiotensin-(1–7) (Ang-(1–7)) is expressed within the kidney and exhibits renoprotective actions that antagonize the inflammatory, fibrotic and pro-oxidant effects of the Ang II-AT1 receptor axis. We previously identified a peptidase activity from sheep brain, proximal tubules and human HK-2 proximal tubule cells that metabolized Ang-(1–7); thus, the present study isolated and identified the Ang-(1–7)...
Angiotensin‐(1‐7) [Ang‐(1‐7)] is an alternative product of the brain renin‐angiotensin system that exhibits central actions to lower blood pressure and improve baroreflex sensitivity. We previously identified a peptidase that metabolizes Ang‐(1‐7) to the inactive metabolite product Ang‐(1‐4) in CSF of adult sheep. This study purified the peptidase 1445‐fold from sheep brain medulla and characterized...
We previously identified angiotensin converting enzyme (ACE) and an endopeptidase activity that degraded angiotensin-(1–7) [Ang-(1–7)] to Ang-(1–5) and Ang-(1–4), respectively, in the cerebrospinal fluid (CSF) of 6-month old male sheep. The present study undertook a more comprehensive analysis of the CSF peptidase that converts Ang-(1–7) to Ang-(1–4) in control and in utero betamethasone-exposed sheep...
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