Sperm olfactory receptors


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Further studies should investigate if the use of marijuana influences reproduction via GPR18 in males as well as in females. Little is still known about what most of these receptors do — or, for that matter, how they ended up scattered throughout the body in the first place. Antibody-specificity was proven in ref. The five reference tissues and one testis sample Testis 1 from the Body Map 2. The subjects gave informed consent according to the guidelines of the Declaration of Helsinki. Our findings indicate the involvement of a new cannabinoid receptor in male reproduction.
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Smell Turns Up in Unexpected Places


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Frontiers | Characterization of the Olfactory Receptors Expressed in Human Spermatozoa | Molecular Biosciences


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We detected for 14 different non-olfactory GPCR transcripts having mFPKM values higher than 30 GPR, GPR, GPR18, S1PR2, OPRL1, CCR6, CXCR4, ADORA3, PTH1R, FPR1, C5AR1, HCAR3, HCAR2, GPR , and 5 of these transcripts showed expression values higher than mFPKM GPR, GPR, GPR18, S1PR2, CXCR4 in one or more spermatozoa samples. Hence multiple lines of evidence argue against the vibration theory of smell. The same year, Grace Pavlath, a biologist at Emory University, published a study on olfactory receptors in skeletal muscles.
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