Antibodies to Cannabinoid Type 1 Receptor Co-react with Stomatin-like Protein 2 in Mouse Brain Mitochondria

Overview

Journal Eur J Neurosci

Specialty Neurology

Date 2013 Apr 27

PMID 23617247

Citations 22

Authors

Yury M Morozov

Martin H Dominguez

Luis Varela

Marya Shanabrough

Marco Koch

Tamas L Horvath

Pasko Rakic

Affiliations

Soon will be listed here.

Abstract

Anti-cannabinoid type 1 receptor (CB1 ) polyclonal antibodies are widely used to detect the presence of CB1 in a variety of brain cells and their organelles, including neuronal mitochondria. Surprisingly, we found that anti-CB1 sera, in parallel with CB1 , also recognize the mitochondrial protein stomatin-like protein 2. In addition, we show that the previously reported effect of synthetic cannabinoid WIN 55,212-2 on mitochondrial complex III respiration is not detectable in purified mitochondrial preparations. Thus, our study indicates that a direct relationship between endocannabinoid signaling and mitochondrial functions in the cerebral cortex seems unlikely, and that caution should be taken interpreting findings obtained using anti-CB1 antibodies.

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