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. Author manuscript; available in PMC: 2011 May 26.
Published in final edited form as: Am J Physiol Regul Integr Comp Physiol. 2007 Mar 15;293(1):R209–R222. doi: 10.1152/ajpregu.00099.2006

Fig. 1.

Fig. 1

Recruitment of β-arrestin-1 by the agonist-activated full-length wild-type corticotropin-releasing factor type 1 (CRF1) receptor in transfected HEK293 cells. Confocal microscopy was used to evaluate the interaction of β-arrestin-1-green fluorescent protein (GFP) with full-length CRF1 receptors transiently expressed in HEK293 cells. This representative experiment shows the distribution of β-arrestin-1-GFP in HEK293 cells before (0 min) and after (2, 5, and 20 min) treatment with 200 nM CRF.