Characterization of a Specific Antibody to the Rat Angiotensin II AT1 Receptor
Open Access
- 1 April 1999
- journal article
- research article
- Published by SAGE Publications in Journal of Histochemistry & Cytochemistry
- Vol. 47 (4) , 507-515
- https://doi.org/10.1177/002215549904700409
Abstract
We raised a polyclonal antibody against a decapeptide corresponding to the carboxyl terminus of the rat angiotensin II AT1 receptor. This antibody was demonstrated to be specific for the rat receptor according to a number of approaches. These included (a) the ultrastructural localization of immunogold-labeled receptor on the surfaces of zona glomerulosa cells in the adrenal cortex, (b) the specific labeling of Chinese hamster ovarian (CHO) cells transfected with AT1 receptors, (c) the identification of a specific band on Western blots, (d) the immunocytochemical co-localization of angiotensin receptors on neurons in the lamina terminalis of the brain shown to be responsive to circulating angiotensin II, as shown by the expression of c-fos, and (e) the correlation between the expression of the mRNA of the AT1 receptor and AT1 receptor immunoreactivity.Keywords
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