TOR1AIP1
Template:Short description Template:Infobox gene Torsin-1A-interacting protein 1 is a protein that in humans is encoded by the TOR1AIP1 gene.[1][2][3] More commonly known as lamina associated polypeptide 1 (LAP1), it is a type II integral membrane protein that resides in the inner nuclear membrane. The luminal domain of LAP1 interacts with Torsin A and is necessary for the ATPase activity of Torsin A. LAP1 plays a critical role in skeletal and heart muscle.[4][5] Mutations in TOR1AIP1 have been linked to muscular dystrophy and cardiomyopathy.[6][7] It's deletion from mouse hepatocytes leads to defected very-low density lipoprotein secretion and causes non-alcoholic fatty liver disease and non-alcoholic steatohepatitis[8]
References
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- ↑ Shin JY, Méndez-López I, Wang Y, Hays AP, Tanji K, Lefkowitch JH, Schulze PC, Worman HJ, Dauer WT. (2013) Lamina-associated polypeptide-1 interacts with the muscular dystrophy protein emerin and is essential for skeletal muscle maintenance. Dev Cell. 26:591-603. doi: 10.1016/j.devcel.2013.08.012.
- ↑ Shin JY, Le Dour C, Sera F, Iwata S, Homma S, Joseph LC, Morrow JP, Dauer WT, Worman HJ. (2014) Depletion of lamina-associated polypeptide 1 from cardiomyocytes causes cardiac dysfunction in mice. Nucleus. 5:260-459. doi: 10.4161/nucl.29227.
- ↑ Kayman-Kurekci G, Talim B, Korkusuz P, Sayar N, Sarioglu T, Oncel I, Sharafi P, Gundesli H, Balci-Hayta B, Purali N, Serdaroglu-Oflazer P, Topaloglu H, Dincer P. (2014) Mutation in TOR1AIP1 encoding LAP1B in a form of muscular dystrophy: a novel gene related to nuclear envelopathies. Neuromuscul Disord. 24:624-33. doi: 10.1016/j.nmd.2014.04.007
- ↑ Ghaoui R, Benavides T, Lek M, Waddell LB, Kaur S, North KN, MacArthur DG, Clarke NF, Cooper ST. (2016) TOR1AIP1 as a cause of cardiac failure and recessive limb-girdle muscular dystrophy. Neuromuscul Disord. 26:500-503. doi: 10.1016/j.nmd.2016.05.013.
- ↑ Shin JY, Hernandez-Ono A, Fedotova T, Östlund C, Lee MJ, Gibeley SB, Liang CC, Dauer WT, Ginsberg HN, Worman HJ. (2019) Nuclear envelope-localized torsinA-LAP1 complex regulates hepatic VLDL secretion and steatosis. J Clin Invest. 130:4885-4900. doi: 10.1172/JCI129769.
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Further reading
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