Research Topics
Species | J KajsturaSummaryAffiliation: New York Medical College Country: USA Publications
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Detail Information
Publications
Cardiac stem cell and myocyte aging, heart failure, and insulin-like growth factor-1 overexpressionDaniele Torella
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Circ Res 94:514-24. 2004..The differential response of TG mice to chronological age may result from preservation of functional CSCs undergoing myocyte commitment. In conclusion, senescence of CSCs and myocytes conditions the development of an aging myopathy...
The telomere-telomerase axis and the heartJan Kajstura
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
Antioxid Redox Signal 8:2125-41. 2006....
Telomere shortening is an in vivo marker of myocyte replication and agingJ Kajstura
Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
Am J Pathol 156:813-9. 2000..In conclusion, a significant fraction of myocytes divides repeatedly from birth to senescence, counteracting the continuous death of cells in the aging mammalian rat heart...
Bone marrow cells differentiate in cardiac cell lineages after infarction independently of cell fusionJan Kajstura
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Circ Res 96:127-37. 2005..In conclusion, BMCs adopt the cardiac cell lineages and have an important therapeutic impact on ischemic heart failure...
IGF-1 overexpression inhibits the development of diabetic cardiomyopathy and angiotensin II-mediated oxidative stressJ Kajstura
Department of Medicine, New York Medical College, Vosburgh Pavilion, Valhalla, New York, USA
Diabetes 50:1414-24. 2001..This latter event might be responsible for the decrease in oxidative stress and myocyte death by IGF-1...
Canine ventricular myocytes possess a renin-angiotensin system that is upregulated with heart failureL Barlucchi
Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Circ Res 88:298-304. 2001..Ang II may promote myocyte growth and death, contributing to the development of heart failure...
Inhibition of p53 function prevents renin-angiotensin system activation and stretch-mediated myocyte apoptosisA Leri
Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
Am J Pathol 157:843-57. 2000..Thus, a competitor of p53 function interfered with both stretch-induced Ang II formation and apoptosis, indicating that p53 is a major modulator of myocyte renin-angiotensin system and cell survival after mechanical deformation...
Telomerase expression and activity are coupled with myocyte proliferation and preservation of telomeric length in the failing heartA Leri
Departments of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 98:8626-31. 2001....
Up-regulation of AT(1) and AT(2) receptors in postinfarcted hypertrophied myocytes and stretch-mediated apoptotic cell deathA Leri
Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
Am J Pathol 156:1663-72. 2000..In conclusion, Ang II stimulated cell death through AT(1) receptor activation, whereas ligand binding to AT(2) receptor did not alter Ang II concentration and apoptosis in normal and postinfarcted hypertrophied myocytes...
Evidence that human cardiac myocytes divide after myocardial infarctionA P Beltrami
Department of Medicine, New York Medical College, Valhalla 10595, USA
N Engl J Med 344:1750-7. 2001..CONCLUSIONS: Our results challenge the dogma that the adult heart is a postmitotic organ and indicate that the regeneration of myocytes may be a critical component of the increase in muscle mass of the myocardium...
Overexpression of insulin-like growth factor-1 attenuates the myocyte renin-angiotensin system in transgenic miceA Leri
Department of Medicine, New York Medical College, Valhalla, NY, USA
Circ Res 84:752-62. 1999..This may represent the molecular mechanism responsible for the effects of IGF-1 on cell viability and myocyte hypertrophy in the nonpathological and pathological heart in vivo...
Mobilized bone marrow cells repair the infarcted heart, improving function and survivalD Orlic
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 98:10344-9. 2001..In conclusion, mobilization of primitive BMC by cytokines might offer a noninvasive therapeutic strategy for the regeneration of the myocardium lost as a result of ischemic heart disease and, perhaps, other forms of cardiac pathology...
Adult cardiac stem cells are multipotent and support myocardial regenerationAntonio P Beltrami
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Cell 114:763-76. 2003..The existence of these cells opens new opportunities for myocardial repair...
Hyperglycemia activates p53 and p53-regulated genes leading to myocyte cell deathF Fiordaliso
Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
Diabetes 50:2363-75. 2001..In conclusion, these in vitro results support the notion that hyperglycemia with diabetes promotes myocyte apoptosis mediated by activation of p53 and effector responses involving the local renin-angiotensin system...
Oxidative stress-mediated cardiac cell death is a major determinant of ventricular dysfunction and failure in dog dilated cardiomyopathyD Cesselli
Department of Medicine, New York Medical College, Valhalla, NY, USA
Circ Res 89:279-86. 2001..In conclusion, cardiac cell death precedes ventricular decompensation and correlates with the time-dependent deterioration of function in this model. Oxidative stress may be critical for activation of apoptosis in the overloaded heart...
Diabetes promotes cardiac stem cell aging and heart failure, which are prevented by deletion of the p66shc geneMarcello Rota
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Circ Res 99:42-52. 2006..Together, these data point to a genetic link between diabetes and ROS, on the one hand, and CPC survival and growth, on the other...
Stem cells in the dog heart are self-renewing, clonogenic, and multipotent and regenerate infarcted myocardium, improving cardiac functionAxel Linke
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 102:8966-71. 2005..These results suggest that strategies capable of activating the growth reserve of the myocardium may be important in cardiac repair after ischemic injury...
Overexpression of insulin-like growth factor-1 in the heart is coupled with myocyte proliferation in transgenic miceK Reiss
Department of Medicine, New York Medical College, Valhalla 10595, USA
Proc Natl Acad Sci U S A 93:8630-5. 1996..In contrast, myocyte cell volume was comparable in transgenic and control mice at all ages. In conclusion, overexpression of IGF-1 in myocytes leads to cardiomegaly mediated by an increased number of cells in the heart...
Telomerase activity in rat cardiac myocytes is age and gender dependentA Leri
Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
J Mol Cell Cardiol 32:385-90. 2000..The greater growth potential of female myocytes may be critical for the longer lifespan and decreased incidence of heart failure in women...
Myocardial regeneration by activation of multipotent cardiac stem cells in ischemic heart failureKonrad Urbanek
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 102:8692-7. 2005..The loss of functionally competent CSCs in chronic ischemic cardiomyopathy may underlie the progressive functional deterioration and the onset of terminal failure...
Progenitor cells from the explanted heart generate immunocompatible myocardium within the transplanted donor heartDavid A D'Alessandro
Department of Cardiothoracic Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, New York, USA
Circ Res 105:1128-40. 2009..Chronic rejection, accelerated coronary atherosclerosis, myocardial infarction, and ischemic heart failure determine the unfavorable evolution of the transplanted heart in humans...
Formation of large coronary arteries by cardiac progenitor cellsJochen Tillmanns
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 105:1668-73. 2008..In conclusion, locally delivered activated CPCs generate de novo coronary vasculature and may be implemented clinically for restoration of blood supply to the ischemic myocardium...
Intense myocyte formation from cardiac stem cells in human cardiac hypertrophyKonrad Urbanek
Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 100:10440-5. 2003..Their presence is consistent with the notion that myocyte hyperplasia significantly contributes to cardiac hypertrophy and accounts for the subpopulation of cycling myocytes...
Cardiac stem cells possess growth factor-receptor systems that after activation regenerate the infarcted myocardium, improving ventricular function and long-term survivalKonrad Urbanek
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Circ Res 97:663-73. 2005..In conclusion, the heart has an endogenous reserve of CSCs-ECCs that can be activated to reconstitute dead myocardium and recover cardiac function...
Bone marrow cells adopt the cardiomyogenic fate in vivoMarcello Rota
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 104:17783-8. 2007..This process occurs independently of cell fusion and ameliorates structurally and functionally the outcome of the heart after infarction...
Human cardiac stem cellsClaudia Bearzi
Department of Medicine, Cardiovascular Research Institute, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 104:14068-73. 2007..Thus, hCSCs can be isolated and expanded in vitro for subsequent autologous regeneration of dead myocardium in patients affected by heart failure of ischemic and nonischemic origin...
Senescence and death of primitive cells and myocytes lead to premature cardiac aging and heart failureCristina Chimenti
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Vosburgh Pavilion, Room 302, Valhalla, NY 10595, USA
Circ Res 93:604-13. 2003..In conclusion, telomere erosion, cellular senescence, and death characterize aged diseased hearts and the development of cardiac failure in humans...
Chimerism of the transplanted heartFederico Quaini
Department of Medicine, New York Medical College, Valhalla 10595, USA
N Engl J Med 346:5-15. 2002..Putative stem cells and progenitor cells were identified in control myocardium and in increased numbers in transplanted hearts...
Stem cell niches in the adult mouse heartKonrad Urbanek
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 103:9226-31. 2006..Thus, CSCs regulate myocyte turnover that is heterogeneous across the heart, faster at the apex and atria, and slower at the base-midregion of the ventricle...
Myocyte proliferation and ventricular remodelingAnnarosa Leri
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
J Card Fail 8:S518-25. 2002..Conversely, myocyte proliferation, characterized by the parallel addition of cells, can be expected to increase wall thickness, decrease chamber size, and ameliorate cardiac performance...
Cause of death: suicideJan Kajstura
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Vosburgh Pavilion, Room 302, Valhalla, New York 10595, USA
J Mol Cell Cardiol 40:425-37. 2006..Moreover, the effect of cell death on ventricular remodeling and performance is analyzed. The impact of the identification of apoptosis in the heart on the current view of myocardium as a dynamic organ is discussed...
Cardiac stem cells and myocardial regenerationBernardo Nadal-Ginard
Department of Medicine, Cardiovascular Research Institute, Vosburgh Pavilion, New York Medical College, Valhalla, NY 10595, USA
Novartis Found Symp 265:142-54; discussion 155-7, 204-11. 2005..Thus, although in the adult heart most cardiac myocytes are permanently withdrawn from the cell cycle, the heart has an intrinsic regenerative potential and it is not a terminally differentiated organ...
Myocyte death, growth, and regeneration in cardiac hypertrophy and failureBernardo Nadal-Ginard
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Circ Res 92:139-50. 2003..The possibility of reconstituting dead myocardium by stem-like cells is advanced and proposed as a major area of future research...
Life and death of cardiac stem cells: a paradigm shift in cardiac biologyPiero Anversa
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Circulation 113:1451-63. 2006
Cardiac regenerationPiero Anversa
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
J Am Coll Cardiol 47:1769-76. 2006..These cell classes hold promise for the treatment of heart failure in humans...
Myocyte growth in the failing heartJan Kajstura
New York Medical College, Valhalla, NY 10595, USA
Surg Clin North Am 84:161-77. 2004..The recognition that myocyte hypertrophy and regeneration, as well as myocyte necrosis and apoptosis, occur in cardiac diseases has contributed to enhancing our understanding of the plasticity of the human heart...
Ablation of telomerase and telomere loss leads to cardiac dilatation and heart failure associated with p53 upregulationAnnarosa Leri
Department of Medicine, Cardiovascular Research Institute, New York Medical College, Valhalla, NY 10595, USA
EMBO J 22:131-9. 2003..Telomere shortening with age could also contribute to cardiac failure in humans, opening the possibility for new therapies...
Concise review: stem cells, myocardial regeneration, and methodological artifactsPiero Anversa
Cardiovascular Research Institute, Vosburgh Pavilion, New York Medical College, Valhalla, NY 10595, USA
Stem Cells 25:589-601. 2007....
The young mouse heart is composed of myocytes heterogeneous in age and functionMarcello Rota
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
Circ Res 101:387-99. 2007..Thus, cardiac homeostasis and myocyte turnover regulate cardiac function...
Myocyte growth and cardiac repairPiero Anversa
Cardiovascular Research Institute, Department of Medicine, Valhalla, New York 10595, USA
J Mol Cell Cardiol 34:91-105. 2002..Methodologies are currently available to recognize and measure quantitatively the contribution of myocyte size, number and death to the adaptation of the overloaded heart and its progression to cardiac failure...
Identity deception: not a crime for a stem cellAnnarosa Leri
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, New York
Physiology (Bethesda) 20:162-8. 2005..To date, the most versatile cell discovered is the bone marrow progenitor cell...
A matter of life and death: cardiac myocyte apoptosis and regenerationBernardo Nadal-Ginard
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, New York 10595, USA
J Clin Invest 111:1457-9. 2003
Myocardial aging--a stem cell problemPiero Anversa
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Vosburgh Pavilion, Valhalla, NY 10595, USA
Basic Res Cardiol 100:482-93. 2005..CSC therapy may become, perhaps, a novel strategy for the devastating problem of heart failure in the old population...
bcl-2 overexpression promotes myocyte proliferationFederica Limana
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY 10595, USA
Proc Natl Acad Sci U S A 99:6257-62. 2002..Taken together, these observations reveal a previously uncharacterized replication-enhancing function of Bcl-2 in myocytes in vivo in the absence of stressful conditions...
Myocardial regeneration and stem cell repairAnnarosa Leri
Department of Medicine, New York Medical College, NY, USA
Curr Probl Cardiol 33:91-153. 2008..This monograph discusses our current understanding of myocardial regeneration and the roles that endogenous and exogenous stem cells may have in the future therapy of cardiovascular disease...
Cardiac stem cells and mechanisms of myocardial regenerationAnnarosa Leri
Cardiovascular Research Institute, Department of Medicine, New York Medical College, Valhalla, NY10595, USA
Physiol Rev 85:1373-416. 2005..Cardiac stem cells may become the most important cell for cardiac repair...
Adeno-associated virus mediated gene delivery into coronary microvessels of chronically instrumented dogsHeiner Post
Dept. of Physiology, Basic Sciences Bldg, Rm. 636, New York Medical College, Valhalla, NY 10595, USA
J Appl Physiol 95:1688-94. 2003..AAV is a potential vector for gene transfer into the coronary microcirculation in large animals, including perhaps humans...
Exogenous high-mobility group box 1 protein induces myocardial regeneration after infarction via enhanced cardiac C-kit+ cell proliferation and differentiationFederica Limana
Laboratorio di Patologia Vascolare, Istituto Dermopatico dell'Immacolata, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
Circ Res 97:e73-83. 2005..Thus, HMGB1 appears to be a potent inducer of myocardial regeneration following myocardial infarction...
Adolescent feline heart contains a population of small, proliferative ventricular myocytes with immature physiological propertiesXiongwen Chen
Cardiovascular Research Center, Temple University School of Medicine, Philadelphia, PA 19140, USA
Circ Res 100:536-44. 2007..Myocyte number increases during adolescent cardiac growth. These new myocytes are initially small and functionally immature, with patterns of ion channel expression normally found in the fetal/neonatal period...
If I can stop one heart from breakingPiero Anversa
Circulation 115:829-32. 2007
Heart failure and regenerative cardiologyAnnarosa Leri
Regen Med 1:153-9. 2006
Nuclear targeting of Akt enhances kinase activity and survival of cardiomyocytesIsao Shiraishi
The Children s Hospital Research Foundation, Division of Molecular Cardiovascular Biology Cincinnati, Ohio, USA
Circ Res 94:884-91. 2004....
Some like it plasticAnnarosa Leri
Circ Res 94:132-4. 2004
IGF-I alleviates diabetes-induced RhoA activation, eNOS uncoupling, and myocardial dysfunctionJun Ren
School of Pharmacy, University of Wyoming, Laramie, WY 82071, USA
Am J Physiol Regul Integr Comp Physiol 294:R793-802. 2008..These results revealed that IGF-I benefits diabetic hearts via Rho inhibition and antagonism of diabetes-induced decrease in pAkt, eNOS uncoupling, and K+ channel expression...
Activation of cardiac progenitor cells reverses the failing heart senescent phenotype and prolongs lifespanArantxa Gonzalez
Department of Anesthesia, Brigham and Women s Hospital, Harvard Medical School, Boston, MA, USA
Circ Res 102:597-606. 2008..The senescent heart phenotype and heart failure are corrected to some extent, leading to prolongation of maximum lifespan...
Regeneration of the infarcted heart with stem cells derived by nuclear transplantationRobert Lanza
Advanced Cell Technology, Worcester, Mass, USA
Circ Res 94:820-7. 2004..Importantly, the magnitude of myocardial regeneration obtained in this study is significantly superior to that achieved with adult bone marrow cells...
Myocardial damage and repairAnnarosa Leri
J Mol Cell Cardiol 35:595-7. 2003
Myocardial induction of nucleostemin in response to postnatal growth and pathological challengeSailay Siddiqi
San Diego State University Heart Institute and Department of Biology, San Diego State University, CA 92182, USA
Circ Res 103:89-97. 2008....
Local activation or implantation of cardiac progenitor cells rescues scarred infarcted myocardium improving cardiac functionMarcello Rota
Department of Anesthesia and Division of Cardiology, Brigham and Women s Hospital, Harvard Medical School, Boston, MA 02115, USA
Circ Res 103:107-16. 2008..These forms of treatments could be repeated over time to reduce progressively tissue scarring and expand the working myocardium...
Circulating progenitor cells: search for an identityPiero Anversa
Circulation 110:3158-60. 2004
Cardiac-specific overexpression of insulin-like growth factor 1 attenuates aging-associated cardiac diastolic contractile dysfunction and protein damageQun Li
Div of Pharmaceutical Science and Center for Cardiovascular Research and Alternative Medicine, Univ of Wyoming, Laramie, WY 82071 3375, USA
Am J Physiol Heart Circ Physiol 292:H1398-403. 2007..Collectively, our data suggest a beneficial role of IGF-1 in aging-induced cardiac contractile dysfunction, possibly related to improved Ca(2+) uptake...
Endothelial progenitor cells: neovascularization or more?Jan Kajstura
J Mol Cell Cardiol 40:1-8. 2006
Bone marrow stem cells regenerate infarcted myocardiumDonald Orlic
Hematopoiesis Section, Genetics and Molecular Biology Branch, National Human Genome Research Institute NIH, Building 49, Room 3W16, 49 Convent Drive, Bethesda, MD 20892, USA
Pediatr Transplant 7:86-8. 2003..In both experimental protocols, the BMSC gave rise to new cardiac myocytes and coronary blood vessels. This BMSC-derived myocardial regeneration resulted in improved cardiac function and survival...
Regenerating the myocardium: a reality todayAnnarosa Leri
Can J Cardiol 21:361-2. 2005
Cardiac stem cells delivered intravascularly traverse the vessel barrier, regenerate infarcted myocardium, and improve cardiac functionBuddhadeb Dawn
Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40202, USA
Proc Natl Acad Sci U S A 102:3766-71. 2005..The results establish CSCs as candidates for cardiac regeneration and support an approach in which the heart's own stem cells could be collected, expanded, and stored for subsequent therapeutic repair...
Primitive cells and tissue regenerationPiero Anversa
Circ Res 92:579-82. 2003
Akt promotes increased cardiomyocyte cycling and expansion of the cardiac progenitor cell populationNatalie Gude
San Diego State University Heart Institute and Department of Biology, San Diego State University, San Diego, CA 92182, USA
Circ Res 99:381-8. 2006....
Cardiac-specific IGF-1 expression attenuates dilated cardiomyopathy in tropomodulin-overexpressing transgenic miceSara Welch
Divisions of Molecular Cardiovascular Biology, Children s Hospital Research Foundation, Cincinnati, Ohio, USA
Circ Res 90:641-8. 2002....
[Bone marrow cells and cardiac repair]Annarosa Leri
Arq Bras Cardiol 87:71-2. 2006
Postinfarct cytokine therapy regenerates cardiac tissue and improves left ventricular functionBuddhadeb Dawn
Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40292, USA
Circ Res 98:1098-105. 2006....
Nuclear targeting of Akt antagonizes aspects of cardiomyocyte hypertrophyYasuyuki Tsujita
San Diego State University Heart Institute, Department of Biology, CA 92182, USA
Proc Natl Acad Sci U S A 103:11946-51. 2006....
Recombinant human erythropoietin protects the myocardium from ischemia-reperfusion injury and promotes beneficial remodelingLaura Calvillo
Mario Negri Institute of Pharmacological Research, 20157 Milan, Italy
Proc Natl Acad Sci U S A 100:4802-6. 2003....
Metalloproteinase inhibitor counters high-energy phosphate depletion and AMP deaminase activity enhancing ventricular diastolic compliance in subacute heart failureNazareno Paolocci
Division of Cardiology, Johns Hopkins University School of Medicine, 720 Rutland Avenue, Baltimore, MD 21205, USA
J Pharmacol Exp Ther 317:506-13. 2006..Interaction between MMP activation and HEP metabolism may play an important role in mediating diastolic dysfunction. Furthermore, these data highlight a potential major role for increased AMP deaminase activity in diastolic dysfunction...
Pim-1 regulates cardiomyocyte survival downstream of AktJohn A Muraski
San Diego State University Heart Institute, San Diego State University, 5500 Campanile Drive, San Diego, California 92182, USA
Nat Med 13:1467-75. 2007..Collectively, these data suggest that Pim-1 is a crucial facet of cardioprotection downstream of Akt...
Pim-1 kinase antagonizes aspects of myocardial hypertrophy and compensation to pathological pressure overloadJohn A Muraski
San Diego State Heart Institute, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
Proc Natl Acad Sci U S A 105:13889-94. 2008..These data support a pivotal role for Pim-1 in modulation of hypertrophy by impacting responses on molecular, cellular, and organ levels...
Endothelial progenitor cells: unexpected disclosuresAnnarosa Leri
Circ Res 97:299-301. 2005
