transient receptor potential cation channel subfamily M member 4
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A TRPM4 gene provides instructions for making a protein called transient receptor potential cation channel subfamily M member 4 (TRPM4). This protein acts as a channel, opening and closing at specific times to control the flow of positively charged atoms (cations) into and out of cells. The TRPM4 channel is embedded in the outer membrane of cells throughout the body, but it is abundant in heart (cardiac) cells and plays key roles in these cells' ability to generate and transmit electrical signals. TRPM4 channels play a major role in signaling the start of each heartbeat, coordinating the contractions of the upper and lower chambers of the heart, and maintaining a normal heart rhythm.
Normal function
A TRPM4 gene provides instructions for making a protein called transient receptor potential cation channel subfamily M member 4 (TRPM4). This protein acts as a channel, opening and closing at specific times to control the flow of positively charged atoms (cations) into and out of cells. The TRPM4 channel is embedded in the outer membrane of cells throughout the body, but it is abundant in heart (cardiac) cells and plays key roles in these cells' ability to generate and transmit electrical signals. TRPM4 channels play a major role in signaling the start of each heartbeat, coordinating the contractions of the upper and lower chambers of the heart, and maintaining a normal heart rhythm.
In addition to regulating electric signaling in the heart, the TRPM4 channel is important for the normal functioning of the immune system, the nervous system, the kidneys, and the pancreas.
Conditions referring to this gene or chromosome
Other names
calcium-activated non-selective cation channel 1
hTRPM4
long transient receptor potential channel 4
LTrpC4
melastatin-4
transient receptor potential cation channel, subfamily M, member 4
TRPM4_HUMAN
TRPM4B
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Leitura adicional e referências
- transient receptor potential cation channel subfamily M member 4; MedlinePlus, National Library of Medicine.
- Abriel H, Syam N, Sottas V, Amarouch MY, Rougier JS. TRPM4 channels in the cardiovascular system: physiology, pathophysiology, and pharmacology. Biochem Pharmacol. 2012 Oct 1;84(7):873-81. doi: 10.1016/j.bcp.2012.06.021. Epub 2012 Jun 27.
- Kruse M, Pongs O. TRPM4 channels in the cardiovascular system. Curr Opin Pharmacol. 2014 Apr;15:68-73. doi: 10.1016/j.coph.2013.12.003. Epub 2013 Dec 25.
- Kruse M, Schulze-Bahr E, Corfield V, Beckmann A, Stallmeyer B, Kurtbay G, Ohmert I, Schulze-Bahr E, Brink P, Pongs O. Impaired endocytosis of the ion channel TRPM4 is associated with human progressive familial heart block type I. J Clin Invest. 2009 Sep;119(9):2737-44. doi: 10.1172/JCI38292. Epub 2009 Aug 24.
- Stallmeyer B, Zumhagen S, Denjoy I, Duthoit G, Hebert JL, Ferrer X, Maugenre S, Schmitz W, Kirchhefer U, Schulze-Bahr E, Guicheney P, Schulze-Bahr E. Mutational spectrum in the Ca(2+)--activated cation channel gene TRPM4 in patients with cardiac conductance disturbances. Hum Mutat. 2012 Jan;33(1):109-17. doi: 10.1002/humu.21599. Epub 2011 Oct 20.
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