Research Topics
| Danuta SzczesnaSummaryAffiliation: University of Miami Country: USA Publications
Research Grants
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Detail Information
Publications
Familial hypertrophic cardiomyopathy mutations in the regulatory light chains of myosin affect their structure, Ca2+ binding, and phosphorylationD Szczesna
Department of Molecular and Cellular Pharmacology, University of Miami School of Medicine, Miami, Florida 33136, USA
J Biol Chem 276:7086-92. 2001....
Regulatory light chains of striated muscle myosin. Structure, function and malfunctionDanuta Szczesna
Department of Molecular and Cellular Pharmacology, University of Miami School of Medicine, Miami, FL 33136, USA
Curr Drug Targets Cardiovasc Haematol Disord 3:187-97. 2003..Further in vivo studies are necessary to investigate the mechanisms involved in the pathogenesis of RLC-linked FHC...
Familial hypertrophic cardiomyopathy-linked alterations in Ca2+ binding of human cardiac myosin regulatory light chain affect cardiac muscle contractionDanuta Szczesna-Cordary
Department of Molecular and Cellular Pharmacology, University of Miami School of Medicine, Miami, Florida 33136, USA
J Biol Chem 279:3535-42. 2004..These results suggest the importance of the intact Ca(2+) binding site of HCRLC in the regulation of cardiac muscle contraction and imply its possible role in the regulatory light chain-linked pathogenesis of FHC...
Degradation of myosin light chain in isolated rat hearts subjected to ischemia-reperfusion injury: a new intracellular target for matrix metalloproteinase-2Grzegorz Sawicki
Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
Circulation 112:544-52. 2005..CONCLUSIONS: Our results demonstrate that myosin light chain 1 is another novel substrate for MMP-2 in the cardiomyocyte and that its degradation may contribute to contractile dysfunction resulting from I/R injury to the heart...
F110I and R278C troponin T mutations that cause familial hypertrophic cardiomyopathy affect muscle contraction in transgenic mice and reconstituted human cardiac fibersOlga M Hernandez
Department of Pharmacology, Georgetown University Medical Center, Washington, D C 20057, USA
J Biol Chem 280:37183-94. 2005..The combination of increased Ca(2+) sensitivity and energy cost in the F110I hearts may be responsible for the greater severity of this phenotype compared with the R278C mutation...
Myosin regulatory light chain E22K mutation results in decreased cardiac intracellular calcium and force transientsDanuta Szczesna-Cordary
University of Miami School of Medicine, Department of Molecular and Cellular Pharmacology R 189, P O Box 016189, 1600 NW 10 Ave, Rm 6113, Miami, FL 33101, USA
FASEB J 21:3974-85. 2007..These changes when placed in vivo would result in higher workloads and consequently cardiac hypertrophy...
Structural and functional aspects of the myosin essential light chain in cardiac muscle contractionPriya Muthu
Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, 1600 NW 10th Ave, Miami, FL 33136, USA
FASEB J 25:4394-405. 2011..Subtle changes in the ELC sequence were sufficient to alter cross-bridge properties and lead to pathological phenotypes...
The E22K mutation of myosin RLC that causes familial hypertrophic cardiomyopathy increases calcium sensitivity of force and ATPase in transgenic miceDanuta Szczesna-Cordary
Department of Molecular and Cellular Pharmacology, University of Miami School of Medicine, Miami, FL 33136, USA
J Cell Sci 118:3675-83. 2005....
Phosphorylation of the regulatory light chains of myosin affects Ca2+ sensitivity of skeletal muscle contractionDanuta Szczesna
Department of Molecular and Cellular Pharmacology, University of Miami School of Medicine, Miami, Florida 33136, USA
J Appl Physiol 92:1661-70. 2002..In conclusion, our results suggest that, although Ca2+ binding to the troponin-tropomyosin complex is the primary regulator of skeletal muscle contraction, RLC play an important modulatory role in this process...
Prolonged Ca2+ and force transients in myosin RLC transgenic mouse fibers expressing malignant and benign FHC mutationsYing Wang
Department of Physiology and Biophysics, University of Miami, Miller School of Medicine, Miami, FL 33136, USA
J Mol Biol 361:286-99. 2006....
The role of the N-terminus of the myosin essential light chain in cardiac muscle contractionKatarzyna Kazmierczak
Department of Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL 33136, USA
J Mol Biol 387:706-25. 2009....
The role of troponins in muscle contractionAldrin V Gomes
Department of Molecular and Cellular Pharmacology, University of Miami School of Medicine, Miami, Florida 33101, USA
IUBMB Life 54:323-33. 2002..This review addresses the physiological significance of the multiple Tn isoforms in skeletal and cardiac muscles as well as their role in the regulation of contraction...
Malignant familial hypertrophic cardiomyopathy D166V mutation in the ventricular myosin regulatory light chain causes profound effects in skinned and intact papillary muscle fibers from transgenic miceW Glenn L Kerrick
Dept of Physiology and Biophysics, University of Miami, Miller School of Medicine, Miami, FL 33101, USA
FASEB J 23:855-65. 2009..Profound cellular changes observed in Tg-D166V myocardium when placed in vivo could trigger a series of pathological responses and result in poor prognosis for D166V-positive patients...
The role of troponin in the Ca(2+)-regulation of skeletal muscle contractionDanuta Szczesna
Department of Molecular and Cellular Pharmacology, University of Miami School of Medicine, 1600 N.W. 10th Ave, Miami, Florida 33136, USA
Results Probl Cell Differ 36:171-90. 2002
Fast skeletal muscle regulatory light chain is required for fast and slow skeletal muscle developmentYingcai Wang
Department of Molecular and Cellular Pharmacology, University of Miami, Miller School of Medicine, 1600 NW 10 Ave, Miami, FL 33136, USA
FASEB J 21:2205-14. 2007..In conclusion, in this study we demonstrate that the Mylpf gene is critically important for fast and slow skeletal muscle development...
Myosin essential light chain in health and diseaseOlga M Hernandez
Department of Molecular and Cellular Pharmacology, University of Miami, Leonard M Miller School of Medicine, Miami Florida 33136, USA
Am J Physiol Heart Circ Physiol 292:H1643-54. 2007..This review summarizes the functional roles of striated muscle ELC in normal healthy muscle and in disease. Transgenic animal models and phenotypic characterization of ELC-mediated remodeling of the heart are also discussed...
Research Grants
- Functional Consequences of FHC-linked RLC MutationsDanuta Szczesna Cordary; Fiscal Year: 2006..These studies will correlate the observed effects of the RLC mutations in the proposed animal models with the pathogenesis of FHC in humans and will decipher the key mechanisms of the RLC-linked FHC. ..
- Functional Consequences of FHC-linked RLC Mutations.Danuta Szczesna Cordary; Fiscal Year: 2010....
