Effects of cardiomyopathy-linked mutations K15N and R21H in tropomyosin on thin-filament regulation and pointed-end dynamics.

作者: Thu Ly , Christopher T. Pappas , Dylan Johnson , William Schlecht , Mert Colpan

DOI: 10.1091/MBC.E18-06-0406

关键词:

摘要: Mutations K15N and R21H in striated muscle tropomyosin are linked to cardiomyopathies. It is suggested that the mutation causes cardiomyopathy by altering Ca2+-dependent thin-filament regulati...

参考文章(87)
M.A. Geeves, 4.13 Thin Filament Regulation Comprehensive Biophysics. pp. 251- 267 ,(2012) , 10.1016/B978-0-12-374920-8.00416-1
J M Chalovich, E Eisenberg, Inhibition of actomyosin ATPase activity by troponin-tropomyosin without blocking the binding of myosin to actin. Journal of Biological Chemistry. ,vol. 257, pp. 2432- 2437 ,(1982) , 10.1016/S0021-9258(18)34942-1
Ying Wang, Yuanyuan Xu, Konrad Guth, W. Glenn L. Kerrick, Troponin C regulates the rate constant for the dissociation of force-generating myosin cross-bridges in cardiac muscle. Journal of Muscle Research and Cell Motility. ,vol. 20, pp. 645- 653 ,(1999) , 10.1023/A:1005559613516
J. A. Ferro, P. B. Monteiro, F. De Castro Reinach, R. C. Lataro, Functional alpha-tropomyosin produced in Escherichia coli. A dipeptide extension can substitute the amino-terminal acetyl group. Journal of Biological Chemistry. ,vol. 269, pp. 10461- 10466 ,(1994) , 10.1016/S0021-9258(17)34082-6
Tsutomu KOUYAMA, Koshin MIHASHI, Fluorimetry Study of N‐(1‐Pyrenyl)iodoacetamide‐Labelled F‐Actin FEBS Journal. ,vol. 114, pp. 33- 38 ,(2005) , 10.1111/J.1432-1033.1981.TB06167.X
Anne M. Murphy, Anne M. Murphy, Ross J. Solaro, Kimberly A. Palmiter, Xiaodu Guo, Jonggonnee Wattanapermpool, Mutagenesis of cardiac troponin I. Role of the unique NH2-terminal peptide in myofilament activation. Journal of Biological Chemistry. ,vol. 269, pp. 15210- 15216 ,(1994) , 10.1016/S0021-9258(17)36593-6
Mary E Sweet, Matthew RG Taylor, Luisa Mestroni, Diagnosis, prevalence, and screening of familial dilated cardiomyopathy Expert opinion on orphan drugs. ,vol. 3, pp. 869- 876 ,(2015) , 10.1517/21678707.2015.1057498
Christopher T. Pappas, Rachel M. Mayfield, Christine Henderson, Nima Jamilpour, Cathleen Cover, Zachary Hernandez, Kirk R. Hutchinson, Miensheng Chu, Ki-Hwan Nam, Jose M. Valdez, Pak Kin Wong, Henk L. Granzier, Carol C. Gregorio, Knockout of Lmod2 results in shorter thin filaments followed by dilated cardiomyopathy and juvenile lethality Proceedings of the National Academy of Sciences of the United States of America. ,vol. 112, pp. 13573- 13578 ,(2015) , 10.1073/PNAS.1508273112