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Vitam Horm


Title:TRPC channels in pheromone sensing
Author(s):Kiselyov K; van Rossum DB; Patterson RL;
Address:"Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, USA"
Journal Title:Vitam Horm
Year:2010
Volume:83
Issue:
Page Number:197 - 213
DOI: 10.1016/S0083-6729(10)83008-0
ISSN/ISBN:0083-6729 (Print) 0083-6729 (Linking)
Abstract:"Pheromone recognition relies on an amplification cascade that is triggered by pheromone binding to G protein-coupled receptors (GPCR). The first step in translation of GPCR activation by pheromones in the vomeronasal organ and main olfactory epithelium (MOE) into a cellular response is the activation of a transient receptor potential (TRP) family member, TRPC2 [Zufall, F., Ukhanov, K., Lucas, P., Liman, E. R., and Leinders-Zufall, T. (2005). Neurobiology of TRPC2: From gene to behavior. Pflugers Arch.451, 61-71; Yildirim, E., and Birnbaumer, L. (2007). TRPC2: Molecular biology and functional importance. Handb. Exp. Pharmacol. 53-75]. The members of the canonical (TRPC) family of TRP channels mediate membrane permeability, specifically, Ca(2+) influx into the cytoplasm in response to activation of GPCR and tyrosine kinase receptors by hormones, neurotransmitters, and growth factors [Nilius, B. (2007). TRP channels in disease. Biochim. Biophys. Acta1772, 805-812; Venkatachalam, K., and Montell, C. (2007). TRP channels. Annu. Rev. Biochem.76, 387-417]. Mechanisms of their activation have been the focus of intense interest during the last decade. The data obtained from studies of TRPC2 have resulted in a better understanding of ion channel physiology and led to novel paradigms in modern cell biology [Lucas, P., Ukhanov, K., Leinders-Zufall, T., and Zufall, F. (2003). A diacylglycerol-gated cation channel in vomeronasal neuron dendrites is impaired in TRPC2 mutant mice: Mechanism of pheromone transduction. Neuron40, 551-561; Stowers, L., Holy, T. E., Meister, M., Dulac, C., and Koentges, G. (2002). Loss of sex discrimination and male-male aggression in mice deficient for TRP2. Science295, 1493-1500; Leypold, B. G., Yu, C. R., Leinders-Zufall, T., Kim, M. M., Zufall, F., and Axel, R. (2002). Altered sexual and social behaviors in trp2 mutant mice. Proc. Natl. Acad. Sci. USA99, 6376-6381]. Although TRPC2 activation by pheromones presents one of the most straightforward examples of physiological function of TRPC channels, the molecular aspects of its activation are not well understood (Yildirim, E., and Birnbaumer, L. (2007). TRPC2: Molecular biology and functional importance. Handb. Exp. Pharmacol. 53-75). It is natural to expect that better understanding of TRPC2 activation mechanisms will lead to breakthroughs in understanding ion channel activation mechanisms, as well as applied behavioral pharmacology. The present review is focused on the current knowledge of TRPC2 physiology with a specific focus on TRPC activation mechanisms"
Keywords:"Animal Communication Animals Humans Pheromones/*metabolism Pheromones, Human/metabolism TRPC Cation Channels/*physiology;"
Notes:"MedlineKiselyov, Kirill van Rossum, Damian B Patterson, Randen L eng ES016782/ES/NIEHS NIH HHS/ GM087410/GM/NIGMS NIH HHS/ HD058577/HD/NICHD NIH HHS/ Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Review 2010/09/14 Vitam Horm. 2010; 83:197-213. doi: 10.1016/S0083-6729(10)83008-0"

 
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