Characterization of AT2 receptor expression in NIH 3T3 fibroblasts.

Abstract:

:1. A high expression of angiotensin II receptors and of angiotensin-converting enzyme (ACE) activity was detected in confluent NIH 3T3 fibroblasts. 2. Characterization with selective ligands, dithiothreitol, and GTP gamma S, indicated that only the AT2 subtype was expressed. 3. AT2 receptors and ACE expression were strictly dependent on the cell density and growth phase of the cells, with AT2 receptors being expressed earlier than ACE. In contrast, high expression of AT2 receptors irrespective of their growth state was observed in NIH 3T3 cells lacking contact inhibition upon neoplastic transformation with ras. 4. Our results imply a possible relation of AT2 receptors to cell growth and cell-cell contact.

journal_name

Cell Mol Neurobiol

authors

Heemskerk FM,Zorad S,Xu N,Gutkind SJ,Saavedra JM

doi

10.1023/a:1006985329240

subject

Has Abstract

pub_date

1999-04-01 00:00:00

pages

277-88

issue

2

eissn

0272-4340

issn

1573-6830

journal_volume

19

pub_type

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