TMEM43

Transmembrane protein 43
Identifiers
Symbols TMEM43 ; ARVC5; ARVD5; EDMD7; LUMA
External IDs OMIM: 612048 MGI: 1921372 HomoloGene: 11532 GeneCards: TMEM43 Gene
RNA expression pattern
More reference expression data
Orthologs
Species Human Mouse
Entrez 79188 74122
Ensembl ENSG00000170876 ENSMUSG00000030095
UniProt Q9BTV4 Q9DBS1
RefSeq (mRNA) NM_024334 NM_028766
RefSeq (protein) NP_077310 NP_083042
Location (UCSC) Chr 3:
14.12 – 14.14 Mb
Chr 6:
91.47 – 91.49 Mb
PubMed search

Transmembrane protein 43 (also called luma) is a protein that in humans is encoded by the TMEM43 gene.[1][2] TMEM43 may have an important role in maintaining nuclear envelope structure by organizing protein complexes at the inner nuclear membrane. Required for retaining emerin at the inner nuclear membrane. However, the localization of TMEM43 in myocardial tissue is controversial discussed. Franke et al. demonstrated that TMEM43 is localized at the intercalated disc but not at the nuclear envelope.[3] In contrast Christensen et al. have shown that TMEM43 is mainly localized at the sarcolemma.[4] Mutations in TMEM43 are associated with ARVD.[5][6][7][8]

References

  1. Wiemann S, Weil B, Wellenreuther R, et al. (March 2001). "Toward a catalog of human genes and proteins: sequencing and analysis of 500 novel complete protein coding human cDNAs". Genome Research 11 (3): 422–35. doi:10.1101/gr.GR1547R. PMC 311072. PMID 11230166.
  2. EntrezGene 79188
  3. Franke WW, Dörflinger Y, Kuhn C, et al. (July 2014). "Protein LUMA is a cytoplasmic plaque constituent of various epithelial adherens junctions and composite junctions of myocardial intercalated disks: a unifying finding for cell biology and cardiology". Cell and Tissue Research 357 (1): 159–72. doi:10.1007/s00441-014-1865-1. PMID 24770932.
  4. Christensen AH, Andersen CB, Tybjaerg-Hansen A, Haunso S, Svendsen JH (September 2011). "Mutation analysis and evaluation of the cardiac localization of TMEM43 in arrhythmogenic right ventricular cardiomyopathy". Clinical Genetics 80 (3): 256–64. doi:10.1111/j.1399-0004.2011.01623.x. PMID 21214875.
  5. Merner ND, Hodgkinson KA, Haywood AF, et al. (April 2008). "Arrhythmogenic right ventricular cardiomyopathy type 5 is a fully penetrant, lethal arrhythmic disorder caused by a missense mutation in the TMEM43 gene". American Journal of Human Genetics 82 (4): 809–21. doi:10.1016/j.ajhg.2008.01.010. PMC 2427209. PMID 18313022.
  6. Christensen AH, Andersen CB, Tybjaerg-Hansen A, Haunso S, Svendsen JH (September 2011). "Mutation analysis and evaluation of the cardiac localization of TMEM43 in arrhythmogenic right ventricular cardiomyopathy". Clinical Genetics 80 (3): 256–64. doi:10.1111/j.1399-0004.2011.01623.x. PMID 21214875.
  7. Haywood AF, Merner ND, Hodgkinson KA, et al. (April 2013). "Recurrent missense mutations in TMEM43 (ARVD5) due to founder effects cause arrhythmogenic cardiomyopathies in the UK and Canada". European Heart Journal 34 (13): 1002–11. doi:10.1093/eurheartj/ehs383. PMID 23161701.
  8. Baskin B, Skinner JR, Sanatani S, et al. (November 2013). "TMEM43 mutations associated with arrhythmogenic right ventricular cardiomyopathy in non-Newfoundland populations". Human Genetics 132 (11): 1245–52. doi:10.1007/s00439-013-1323-2. PMID 23812740.

Further reading

External links


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