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Recognized by America's Top Doctors, 2007
Recognized by Philadelphia Magazine "Top Doctors" 2007 issue
Chair, Department of MedicineDirector, Cardiovascular InstituteResearch InterestsTranscriptional programs that regulate cardiovascular development Key Words: smooth muscle cell, cardiac myocyte, GATA, myocardin, transcription, notch Description of ResearchThe Parmacek laboratory examines the molecular and genetic programs that regulate heart and vascular development with particular focus on defining the molecular programs regulating development, differentiation and survival of vascular smooth muscle cells and cardiac myocytes. The Parmacek laboratory utilizes a variety of experimental methodologies including the generation and characterization of genetically-engineered mouse and embryonic stem (ES) cell models to elucidate the function(s) of critical transcription factors and transcriptional co-activators in the cardiovascular system. The Parmacek laboratory cloned and/or characterized the function of the GATA-4/5/6 subfamily of cardiovascular transcription factors and the Myocardin/MKL-1/MKL-2 family of transcriptional coactivators. These data provided unanticipated insights into how cells populating the cardiovascular system transduce signals regulating development and response to hemodynamic stress. While fundamentally important at a basic level, this research has provided insights into the pathogenesis of cardiovascular diseases including atherosclerosis, aortic aneurysm and dissection, heart failure and congenital heart disease. Rotation Projects for 2012-131. Characterization of the function of MKL2/MRTF-B in the heart and vasculature 2. Examine the molecular basis of myocardin function in the heart and in visceral and vascular smooth muscle cells 3. Characterization of mice harboring a conditional mutation in the lineage-restricted transcription factors GATA-6 4. Examine the role of Notch signaling and Notch-regulated genes during angiogenesis and in the vasculature Lab personnel: Jian Li, MD - Senior Research ScientistJohn Huang MD, PhD - Postdoctoral Research FellowXiaohong Zhu - Senior Research Technician
Huang J, Elicker J, Bowens N, Liu X, Cheng L, Cappola TP, Zhu X, Parmacek MS: Myocardin regulates BMP10 expression and is required for heart development The Journal of Clinical Investigation 122 (10): 3678-91,2012.
Li J, Bowens N, Cheng L, Zhu X, Chen M, Hannenhalli S, Cappola TP, Parmacek MS: Myocardin-like protein 2 regulates TGFβ signaling in embryonic stem cells and the developing vasculature Development (Cambridge, England) 139 (19): 3531-42,2012.
Rong L, Liu J, Qi Y, Graham AM, Parmacek MS, Li S: GATA-6 promotes cell survival by up-regulating BMP-2 expression during embryonic stem cell differentiation Molecular Biology of the Cell 23 (18): 3754-63,2012.
Rader DJ, Parmacek MS: Secreted miRNAs suppress atherogenesis Nature Cell Biology 14 (3): 233-5,2012.
Shen D, Li J, Lepore JJ, Anderson TJ, Sinha S, Lin AY, Cheng L, Cohen ED, Roberts JD Jr, Dedhar S, Parmacek MS, Gerszten RE: Aortic aneurysm generation in mice with targeted deletion of integrin-linked kinase in vascular smooth muscle cells Circulation Research 109 (6): 616-28,2011.
Huang J, Lu MM, Cheng L, Li J, Zhu X, Stout A, Chen M, Li J, Parmacek MS: Myocardin is required for cardiomyocyte survival and maintenance of heart function Proc Natl Acad Sci USA (106): 18734-18739,2009.
Parmacek MS, Epstein JA: Cardiomyocyte Renewal N Engl J Med 2 (361): 86-8,2009.
Zhang Z, Goss AM, Cohen ED, Kadzik R, Lepore JJ, Muthukumaraswamy K, Yang J, DeMayo F, Whitsett JA, Parmacek MS, Morrisey EE: A Gata6-Wnt pathway required for epithelial stem cell development and airway regeneration Nature Genetics 40 (7): 862-70,2008.
Huang J, Cheng L, Li J, Chen M, Zhou D, Lu MM, Proweller A, Epstein JA, Parmacek MS: Myocardin regulates smooth muscle cell contractile genes required for closure of the ductus arteriosus J Clin Invest 118 (2): 515-25,2008.
Proweller A, Wright AC, Horng D, Cheng L, Lu MM, Lepore JJ, Pear WS, Parmacek MS: Notch signaling in vascular smooth muscle cells is required to pattern the cerebral vasculature Proc Natl Acad Sci USA 104 (41): 16275-80,2007.
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