TRPV3 Channel Monoclonal Antibody (Clone S15-4)

Antigen: amino acids 458-474 of rat TRPV3 · Clone designation: S15-4 · Host: Mouse · Isotype: IgG2a · Application(s): WB, IP, and ICC · Ion channels are integral membrane proteins that help establish and control the small voltage gradient across the plasma membrane of living cells by allowing the flow of ions down their electrochemical gradient.¹ They are present in the membranes that surround all biological cells and their main function is to regulate the flow of ions across this membrane. Whereas some ion channels permit the passage of ions based on charge, others conduct based on a ionic species, such as sodium or potassium. Furthermore, in some ion channels, the passage is governed by a gate which is controlled by chemical or electrical signals, temperature, or mechanical forces. There are a few main classifications of gated ion channels. There are voltage-gated ion channels, ligand-gated, other gating systems, and finally those that are classified differently, having more exotic characteristics. The first are voltage-gated ion channels which open and close in response to membrane potential. These are then seperated into sodium, calcium, potassium, proton, transient receptor, and cyclic nucleotide-gated channels, each of which is responsible for a unique role. Ligand-gated ion channels are also known as ionotropic receptors and they open in response to specific ligand molecules binding to the extracellular domain of the receptor protein. The other gated classifications include activation and inactivation by second messengers, inward-rectifier potassium channels, calcium-activated potassium channels, two-pore-domain potassium channels, light-gated channels, mechano-sensitive ion channels, and cyclic nucleotide-gated channels. Finally, the other classifications are based on less normal characteristics such as two-pore channels and transient receptor potential channels.² The TRPV3 proteins belongs to a family of nonselective cation channels that function in a variety of processes, including temperature sensation and vasoregulation. The thermosensitive members of this family are expressed in subsets of sensory neurons that terminate in the skin and are activated at distinct physiological temperatures. This channel is activated at temperatures between 22 and 40°C. The gene lies in close proximity to another family member (TRPV1) gene on chromosome 17, and the two encoded proteins are thought to associate with each other to form heteromeric channels.^3,4

1 Hille, B. Ion Channels of Excitable Membranes. 3rd (2001).

2 . What are ion channels? (2004).

3 Masamoto, Y., Kawabata, F., and Fushiki, T. Intragastric administration of TRPV1, TRPV3, TRPM8, and TRPA1 agonists modulates autonomic thermoregulation in different manners in mice. Biosci Biotechnol Biochem 73(5) 1021-1027 (2009).

4 Xiao, R., Tang, J., Wang, C., et al. Calcium plays a central role in the sensitization of TRPV3 channel to repetitive stimulations. J Biol Chem 283(10) 6162-6174 (2008).

Hille, B. Ion Channels of Excitable Membranes. 3rd (2001).

Xiao, R., Tang, J., Wang, C., et al. Calcium plays a central role in the sensitization of TRPV3 channel to repetitive stimulations. J Biol Chem 283(10) 6162-6174 (2008).

. What are ion channels? (2004).

Masamoto, Y., Kawabata, F., and Fushiki, T. Intragastric administration of TRPV1, TRPV3, TRPM8, and TRPA1 agonists modulates autonomic thermoregulation in different manners in mice. Biosci Biotechnol Biochem 73(5) 1021-1027 (2009).

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