Effects of haemodialysis on active and inactive renin in nephric and anephric patients. 1983

F Vendemia, and A Morganti, and A Scalia, and C Sala, and L Turolo, and G D'Amico

To investigate the origin, the mechanisms of regulation and the possible biological significance of inactive renin we examined the effects of haemodialysis on plasma active and inactive (cryoactivatable) renin in four anephric and in 10 nephric patients. Before haemodialysis inactive renin was similar in anephric and in the majority of nephric patients; this suggests that the source of the inactive enzyme is predominantly extrarenal. In response to haemodialysis active renin rose significantly in nephric patients whereas inactive renin showed minor and inconsistent increments in both groups. These results indicate that the response of the inactive enzyme to haemodialysis is less than that of its active counterpart and is unaffected by the presence of the kidneys. Therefore, it appears unlikely that inactive renin represents a circulating precursor of active renin.

UI MeSH Term Description Entries
D007668 Kidney Body organ that filters blood for the secretion of URINE and that regulates ion concentrations. Kidneys
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009392 Nephrectomy Excision of kidney. Heminephrectomy,Heminephrectomies,Nephrectomies
D012083 Renin A highly specific (Leu-Leu) endopeptidase that generates ANGIOTENSIN I from its precursor ANGIOTENSINOGEN, leading to a cascade of reactions which elevate BLOOD PRESSURE and increase sodium retention by the kidney in the RENIN-ANGIOTENSIN SYSTEM. The enzyme was formerly listed as EC 3.4.99.19. Angiotensin-Forming Enzyme,Angiotensinogenase,Big Renin,Cryorenin,Inactive Renin,Pre-Prorenin,Preprorenin,Prorenin,Angiotensin Forming Enzyme,Pre Prorenin,Renin, Big,Renin, Inactive
D005260 Female Females
D006435 Renal Dialysis Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION. Dialysis, Extracorporeal,Dialysis, Renal,Extracorporeal Dialysis,Hemodialysis,Dialyses, Extracorporeal,Dialyses, Renal,Extracorporeal Dialyses,Hemodialyses,Renal Dialyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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