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dc.contributor.authorIchii, Osamues
dc.contributor.authorYabuki, Akiraes
dc.contributor.authorOjima, Toshimichi-
dc.date.accessioned2013-01-22T09:59:33Z-
dc.date.available2013-01-22T09:59:33Z-
dc.date.issued2008-
dc.identifier.issn0213-3911es
dc.identifier.urihttp://hdl.handle.net/10201/29787-
dc.description.abstractThe renin-angiotensin system (RAS) and tubuloglomerular feedback (TGF) are central to the maintenance of blood pressure and body fluid composition. Renin, NO synthase-1 (NOS-1), and cyclooxygenase-2 (COX-2) are key regulators of the RAS and TGF. In the present study, to investigate species-specific differences in the RAS and TGF, we immunohistochemically and morphometrically investigated the localization of renin, NOS-1, and COX- 2 in the kidneys of various laboratory rodents and comparing males with females (DBA/2Cr mice, F344/N rats, Syrian hamsters, MON/JmsGbs gerbils and Hartley guinea pigs). In all animals, renin-positive immunoreactions were observed in the vascular walls of afferent arterioles. Renin immunoreactions appeared to be more widely distributed in mice. Mice had a greater number of renin-positive arterioles than other species. NOS-1-positive reactions were detected in the macula densa (MD) of all animals. Mice had the greatest number of NOS-1-positive MD cells. In addition to NOS-1- positive reactions, COX-2-positive reactions were observed in the MD of mice, rats, hamsters and gerbils. Interestingly, guinea pigs had no COX-2-positive MD cells. Rats had the greatest number of COX-2-positive MD cells. In nephron segments excluding the MD, the immunohistochemical localization of NOS-1 and COX-2 differed markedly among not only species but also sexes within the same species. In conclusion, we determined that localization of renin, NOS-1, and COX-2 showed large species- and sex-related differences. These data suggest that the regulation mechanisms of the RAS and TGF via renin, NOS-1, and COX-2 differ among rodents.es
dc.formatapplication/pdfes
dc.format.extent8es
dc.languageenges
dc.publisherMurcia : F. Hernándezes
dc.relation.ispartofHistology and histopathologyes
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.subjectImmunohistochemicales
dc.subjectRenines
dc.subject.other636 - Veterinaria. Explotación y cría de animales. Cría del ganado y de animales domésticoses
dc.titleImmunohistochemical localization of renin, NO synthase-1, and cyclooxygenase-2 in rodent kidneyes
dc.typeinfo:eu-repo/semantics/articlees
Aparece en las colecciones:Vol.23, nº2 (2008)

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