期刊
CURRENT NEUROPHARMACOLOGY
卷 9, 期 1, 页码 219-222出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/157015911795016921
关键词
Knockout mice; mu opioid receptor; quantification; Western blot analysis
资金
- Japanese Ministry of Health, Labour and Welfare [H17-pharmaco-001, 19-iyaku-023, H21-cancer-001, 18A-3, 19A-8]
- Japanese Ministry of Education, Culture, Sports, Science, and Technology
- Smoking Research Foundation
- National Institute on Drug Abuse from the U.S. National Institutes of Health
- Grants-in-Aid for Scientific Research [19100005] Funding Source: KAKEN
Increasing evidence suggests that mu opioid receptor (MOP) expression is altered during the development of and withdrawal from substance dependence. Although anti-MOP antibodies have been hypothesized to be useful for estimating MOP expression levels, inconsistent MOP molecular weights (MWs) have been reported in studies using anti-MOP antibodies. In the present study, we generated a new anti-MOP antibody (N38) against the 1-38 amino acid sequence of the mouse MOP N-terminus and conducted Western blot analysis with wildtype and MOP knockout brain lysates to determine the MWs of intrinsic MOP. The N38 antibody detected migrating bands with relative MWs of 60-67 kDa in the plasma membrane fraction isolated from wildtype brain, but not from the MOP knockout brain. These migrating bands exhibited semi-linear density in the range of 3-30 mu g membrane proteins/lane. The N38 antibody may be useful for quantitatively detecting MOP.
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