TRPM1

Transient receptor potential cation channel, subfamily M, member 1

Identifiers

TRPM1 ; CSNB1C; LTRPC1; MLSN1

External IDs

OMIM: 603576 MGI: 1330305 HomoloGene: 19940 IUPHAR: 493 GeneCards: TRPM1 Gene

Gene ontology
Molecular function	• calcium channel activity
Cellular component	• intracellular • plasma membrane • integral component of plasma membrane • new growing cell tip
Biological process	• transport • G-protein coupled glutamate receptor signaling pathway • visual perception • ion transmembrane transport • retinal rod cell development • transmembrane transport • calcium ion transport into cytosol • calcium ion transmembrane transport • cellular response to light stimulus
Sources: Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

RefSeq (mRNA)

RefSeq (protein)

Location (UCSC)

Chr 15:
31 – 31.16 Mb

Chr 7:
64.15 – 64.27 Mb

PubMed search

Transient receptor potential cation channel subfamily M member 1 is a protein that in humans is encoded by the TRPM1 gene.^[1]^[2]^[3]

Function

The protein encoded by this gene is a member of the transient receptor potential (TRP) family of non-selective cation channels. The expression of this protein is inversely correlated with melanoma aggressiveness, suggesting that it suppresses melanoma metastasis.^[4] The expression of the TRPM1 gene is regulated by the Microphthalmia-associated transcription factor.^[5]^[6]

Clinical significance

Mutations in TRPM1 are associated with congenital stationary night blindness in humans ^[7]^[8]^[9]^[10] and coat spotting patterns in Appaloosa horses.^[11]

References

↑ Hunter JJ, Shao J, Smutko JS, Dussault BJ, Nagle DL, Woolf EA, Holmgren LM, Moore KJ, Shyjan AW (Nov 1998). "Chromosomal localization and genomic characterization of the mouse melastatin gene (Mlsn1)". Genomics 54 (1): 116–23. doi:10.1006/geno.1998.5549. PMID 9806836.
↑ Duncan LM, Deeds J, Hunter J, Shao J, Holmgren LM, Woolf EA, Tepper RI, Shyjan AW (Apr 1998). "Down-regulation of the novel gene melastatin correlates with potential for melanoma metastasis". Cancer Research 58 (7): 1515–20. PMID 9537257.
↑ Clapham DE, Julius D, Montell C, Schultz G (Dec 2005). "International Union of Pharmacology. XLIX. Nomenclature and structure-function relationships of transient receptor potential channels". Pharmacological Reviews 57 (4): 427–50. doi:10.1124/pr.57.4.6. PMID 16382100.
↑ "Entrez Gene: TRPM1 transient receptor potential cation channel, subfamily M, member 1".
↑ Miller AJ, Du J, Rowan S, Hershey CL, Widlund HR, Fisher DE (Jan 2004). "Transcriptional regulation of the melanoma prognostic marker melastatin (TRPM1) by MITF in melanocytes and melanoma". Cancer Research 64 (2): 509–16. doi:10.1158/0008-5472.CAN-03-2440. PMID 14744763.
↑ Hoek KS, Schlegel NC, Eichhoff OM, Widmer DS, Praetorius C, Einarsson SO, Valgeirsdottir S, Bergsteinsdottir K, Schepsky A, Dummer R, Steingrimsson E (Dec 2008). "Novel MITF targets identified using a two-step DNA microarray strategy". Pigment Cell & Melanoma Research 21 (6): 665–76. doi:10.1111/j.1755-148X.2008.00505.x. PMID 19067971.
↑ Audo I, Kohl S, Leroy BP, Munier FL, Guillonneau X, Mohand-Saïd S, Bujakowska K, Nandrot EF, Lorenz B, Preising M, Kellner U, Renner AB, Bernd A, Antonio A, Moskova-Doumanova V, Lancelot ME, Poloschek CM, Drumare I, Defoort-Dhellemmes S, Wissinger B, Léveillard T, Hamel CP, Schorderet DF, De Baere E, Berger W, Jacobson SG, Zrenner E, Sahel JA, Bhattacharya SS, Zeitz C (Nov 2009). "TRPM1 is mutated in patients with autosomal-recessive complete congenital stationary night blindness". American Journal of Human Genetics 85 (5): 720–9. doi:10.1016/j.ajhg.2009.10.013. PMC 2775830. PMID 19896113.
↑ Li Z, Sergouniotis PI, Michaelides M, Mackay DS, Wright GA, Devery S, Moore AT, Holder GE, Robson AG, Webster AR (Nov 2009). "Recessive mutations of the gene TRPM1 abrogate ON bipolar cell function and cause complete congenital stationary night blindness in humans". American Journal of Human Genetics 85 (5): 711–9. doi:10.1016/j.ajhg.2009.10.003. PMC 2775833. PMID 19878917.
↑ Nakamura M, Sanuki R, Yasuma TR, Onishi A, Nishiguchi KM, Koike C, Kadowaki M, Kondo M, Miyake Y, Furukawa T (2010). "TRPM1 mutations are associated with the complete form of congenital stationary night blindness". Molecular Vision 16: 425–37. PMC 2838739. PMID 20300565.
↑ van Genderen MM, Bijveld MM, Claassen YB, Florijn RJ, Pearring JN, Meire FM, McCall MA, Riemslag FC, Gregg RG, Bergen AA, Kamermans M (Nov 2009). "Mutations in TRPM1 are a common cause of complete congenital stationary night blindness". American Journal of Human Genetics 85 (5): 730–6. doi:10.1016/j.ajhg.2009.10.012. PMC 2775826. PMID 19896109.
↑ Bellone RR, Brooks SA, Sandmeyer L, Murphy BA, Forsyth G, Archer S, Bailey E, Grahn B (Aug 2008). "Differential gene expression of TRPM1, the potential cause of congenital stationary night blindness and coat spotting patterns (LP) in the Appaloosa horse (Equus caballus)". Genetics 179 (4): 1861–70. doi:10.1534/genetics.108.088807. PMC 2516064. PMID 18660533.

External links

TRPM1 protein, human at the US National Library of Medicine Medical Subject Headings (MeSH)

This article incorporates text from the United States National Library of Medicine, which is in the public domain.

Membrane transport protein: ion channels (TC 1A)

Ca²⁺: Calcium channel

Ligand-gated	Inositol trisphosphate receptor 1 2 3 Ryanodine receptor 1 2 3

Voltage-gated	L-type/Ca_vα 1.1 1.2 1.3 1.4 N-type/Ca_vα2.2 P-type/Ca_vα 2.1 Q-type/Ca_vα2.1 R-type/Ca_vα2.3 T-type/Ca_vα 3.1 3.2 3.3 α₂δ-subunits 1 2 β-subunits β1 β2 β3 β4 γ-subunits γ1 γ2 γ3 γ4 Cation channels of sperm 1 2 3 4 Two-pore channel 1 2

Na⁺: Sodium channel

Constitutively active	Epithelial sodium channel α β γ δ

Proton-gated	Amiloride-sensitive cation channel 1 2 3 4

Voltage-gated	Na_vα 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 7A Na_vβ 1 2 3 4

K⁺: Potassium channel

Calcium-activated	BK channel α1 β1 β2 β3 β4 SK channel SK1 SK2 SK3 IK channel IK1 K_Ca 1.1 2.1 2.2 2.3 3.1 4.1 4.2 5.1

Inward-rectifier	K_ATP K_ir 1.1 2.1 2.2 2.3 2.4 2.6 GIRK/K_ir 3.1 3.2 3.3 3.4 K_ir 4.1 4.2 5.1 6.1 6.2 7.1

Tandem pore domain	K2P 1 2 3 4 5 6 7 9 10 12 13 15 16 17 18

Voltage-gated	K_vα1-6 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 2.1 2.2 3.1 3.2 3.3 3.4 4.1 4.2 4.3 5.1 6.1 6.2 6.3 6.4 K_vα7-12 7.1 7.2 7.3 7.4 7.5 8.1 8.2 9.1 9.2 9.3 10.1 10.2 11.1/hERG 11.2 11.3 12.1 12.2 12.3 K_vβ 1 2 3 KCNIP 1 2 3 4 minK/ISK minK/ISK-like MiRP 1 2 3 Shaker gene

Miscellaneous

Cl⁻: Chloride channel	Calcium-activated chloride channels Anoctamin ANO1 Bestrophin 1 2 Chloride Channel Accessory 1 2 3 4 CFTR CLCN 1 2 3 4 5 6 7 KA KB CLIC 1 2 3 4 5 6 L1 CLNS 1A 1B

H⁺: Proton channel	HVCN1

M⁺: CNG cation channel	α 1 2 3 4 β 1 2 3 HCN FC 1 2 3 4

M⁺: TRP cation channel	TRPA (1) TRPC 1 2 3 4 4AP 5 6 7 TRPM 1 2 3 4 5 6 7 8 TRPML 1 2 3 TRPN TRPP 1 2 TRPV 1 2 3 4 5 6

H₂O (+ solutes): Porin	Aquaporin 0 1 2 3 4 5 6 7 8 9 Voltage-dependent anion channel 1 2 3 General bacterial porin family

Cytoplasm: Gap junction	Connexin: A GJA1 GJA3 GJA4 GJA5 GJA8 GJA9 GJA10 B GJB1 GJB2 GJB3 GJB4 GJB5 GJB6 GJB7 C GJC1 GJC2 GJC3 D GJD2 GJD3 GJD4) Innexin

By gating mechanism

Ion channel class	Ligand-gated Light-gated Voltage-gated Stretch-activated

see also disorders

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TRPM1

Function

Clinical significance

See also

References

External links