The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
Angiotensin II Type 1a Receptor-deficient Mice with Hypotension and Hyperreninemia
Open accessAbstract
Angiotensin (AT) II, the bioactive octapeptide in the renin-angiotensin system that plays a key role in cardiovascular homeostasis, exerts its multiple effects through the different types of AT receptors, AT1a, AT1b, and AT2. Previously, we showed chronic hypotension in angiotensinogen (the precursor of AT)-deficient mice and a dramatic increase in renin mRNA levels in its kidney, but it remains unclear which types of AT receptors regulate the blood pressure and renin gene expression. In order to elucidate the physiological roles of AT1a receptor, we generated mutant mice with a targeted replacement of the AT1a receptor loci by the lacZ gene. In the heterozygous mutant mice, the strong lacZ staining was found in the glomerulus and juxtaglomerular apparatus of the renal cortex, which coincided with that of the signals detected by in situ hybridization. Chronic hypotension was observed in the heterozygous and homozygous mutant mice, with 10 and 22 mm Hg lower systolic blood pressure, respectively, than that of wild-type littermates. Both levels of renin mRNA in the kidney and plasma renin activity were markedly increased only in the homozygous mutant mice. These results demonstrated that an AT1a-mediated signal transduction pathway is, at least in part, involved in the regulation of blood pressure and renin gene expression.
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Cited by
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Metadata
- Authors
- Sugaya, T., Nishimatsu, S.-I., Tanimoto, K., Takimoto, E., Yamagishi, T., Imamura, K., Goto, S., Imaizumi, K., Hisada, Y., Otsuka, A., Uchida, H., Sugiura, M., Fukuta, K., Fukamizu, A., & Murakami, K.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 1995-08
- Volume
- 270
- Issue
- 32
- Pages
- 18719-18722
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2095911515
- Cited by
- 366
- References
- 13
- FWCI
- 15.95
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Sugaya, T., Nishimatsu, S.-I., Tanimoto, K., Takimoto, E., Yamagishi, T., Imamura, K., Goto, S., Imaizumi, K., Hisada, Y., Otsuka, A., Uchida, H., Sugiura, M., Fukuta, K., Fukamizu, A., & Murakami, K. (1995). Angiotensin II Type 1a Receptor-deficient Mice with Hypotension and Hyperreninemia. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.270.32.18719
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