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Research Lab Results for cardiac

Displaying 1 to 36 of 36 results
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  • Adamo Cardiac Immunology Lab

    Lab Website
    Principal Investigator:
    Luigi Adamo, M.D., Ph.D.
    Medicine

    Over the last few decades, a growing body of evidence has shown that the immune system is intimately connected with cardiac development, function and adaptation to injury. However, there is still much to learn and currently there are no immunomodulatory treatments to prevent or treat heart dysfunction.

    The Adamo Lab aims to study applied immunology in the context of cardiac function and dysfunction, to both elucidate fundamental properties of the immune systems and to develop novel therapeutic options for the rapidly growing number of patients living with heart disease.

    Research Areas: heart disease, immunology, cardiac function and dysfunction
  • Adult Cardiac Catheterization Laboratory

    Principal Investigator:
    Jon Resar, M.D.
    Medicine

    Our group is interested in the evaluation of basic pathophysiology in patients undergoing cardiac procedures, development and evaluation of new therapeutic strategies, and improving patient selection and outcomes following interventional procedures.

    Research Areas: cardiac catheterization, Acute Myocardial Infarction
  • Anderson Lab

    Lab Website
    Principal Investigator:
    Mark Anderson, M.D., Ph.D.
    Medicine

    Research in the Anderson laboratory focuses on cellular signaling and ionic mechanisms that cause heart failure, arrhythmias and sudden cardiac death, major public health problems worldwide. Primary focus is on the multifunctional Ca2+ and calmodulin-dependent protein kinase II (CaMKII). The laboratory identified CaMKII as an important pro-arrhythmic and pro-cardiomyopathic signal, and its studies have provided proof of concept evidence motivating active efforts in biotech and the pharmaceutical industry to develop therapeutic CaMKII inhibitory drugs to treat heart failure and arrhythmias.

    Under physiological conditions, CaMKII is important for excitation-contraction coupling and fight or flight increases in heart rate. However, myocardial CaMKII is excessively activated during disease conditions where it contributes to loss of intracellular Ca2+ homeostasis, membrane hyperexcitability, premature cell death, and hypertrophic and inflammatory transcription. These downstream targets a...ppear to contribute coordinately and decisively to heart failure and arrhythmias. Recently, researchers developed evidence that CaMKII also participates in asthma.

    Efforts at the laboratory, funded by grants from the National Institutes of Health, are highly collaborative and involve undergraduate assistants, graduate students, postdoctoral fellows and faculty. Key areas of focus are:
    • Ion channel biology and arrhythmias
    Cardiac pacemaker physiology and disease
    • Molecular physiology of CaMKII
    • Myocardial and mitochondrial metabolism
    • CaMKII and reactive oxygen species in asthma

    Mark Anderson, MD, is the William Osler Professor of Medicine, the director of the Department of Medicine in the Johns Hopkins University School of Medicine and physician-in-chief of The Johns Hopkins Hospital.
    view more

    Research Areas: heart failure, arrhythmia, cardiovascular diseases, sudden cardiac death
  • Ashikaga Lab

    Lab Website

    We specialize in unconventional, multi-disciplinary approaches to studying the heart at the intersection of applied mathematics, physics and computer science. We focus on theory development that leads to new technology and value delivery to the society. Currently we have three research programs:

    1. Precision Medicine
    To develop a quantitative approach to personalized risk assessment for stroke and dementia based on patent-specific heart anatomy, function and blood flow.
    Disciplines: Cardiac Hemodynamics; Medical Imaging Physics; Continuum Mechanics; Computational Fluid Dynamics

    2. Information Theory
    To quantify and perturb cardiac fibrillation that emerges as a macro-scale behavior of the heart from micro-scale behaviors of inter-dependent components.
    Disciplines: Cardiac Electrophysiology; Spiral Wave; Information Theory; Complex Networks

    3. Artificial Intelligence
    To develop artificial intelligence algorithms to predict the future risk of heart attack, stroke and sudden... death, and to assist surgical interventions to prevent these outcomes.
    Disciplines: Medical Imaging Physics; Artificial Intelligence; Robotically Assisted Interventions
    view more

    Research Areas: complex systems, Computational Fluid Dynamics, spiral wave, artificial intelligence, informational theory
  • Ayse Gurses Lab

    Work in the Ayse Gurses Lab examines several topics related to human factors, including methods for improving patient safety in the cardiac operating room, care coordination, transitions of care and compliance of providers with evidence-based guidelines. Our team also has an interest in research that explores the working conditions of nurses. We collaborate on studies related to the development of geriatrics health service delivery at all levels of the health system.

    Research Areas: patient safety, human factors, informatics, care coordination, evidence-based medicine, gerontology
  • Cammarato Lab

    Lab Website
    Principal Investigator:
    Anthony Cammarato, Ph.D.
    Medicine

    The Cammarato Lab is located in the Division of Cardiology in the Department of Medicine at the Johns Hopkins University School of Medicine. We are interested in basic mechanisms of striated muscle biology.

    We employ an array of imaging techniques to study “structural physiology” of cardiac and skeletal muscle. Drosophila melanogaster, the fruit fly, expresses both forms of striated muscle and benefits greatly from powerful genetic tools. We investigate conserved myopathic (muscle disease) processes and perform hierarchical and integrative analysis of muscle function from the level of single molecules and macromolecular complexes through the level of the tissue itself.

    Anthony Ross Cammarato, MD, is an assistant professor of medicine in the Cardiology Department. He studies the identification and manipulation of age- and mutation-dependent modifiers of cardiac function, hierarchical modeling and imaging of contractile machinery, integrative analysis of striated muscle performan...ce and myopathic processes. view more

    Research Areas: muscle development, genetics, myopathic processes, striated muscle biology, muscle function, myopathy, muscle physiology
  • Cardiac Bioelectric Systems Laboratory

    Lab Website
    Principal Investigator:
    Leslie Tung, Ph.D.
    Biomedical Engineering

    The Cardiac Bioelectric Systems Laboratory research focuses on both the physiological and pathophysiological function of cardiac cells at a multicellular, syncytial level. We use cell culture models in a manner akin to mathematical models in which elements of the model can be designed, synthesized or controlled. Our traditional approach consists of cultured, confluent monolayers of cardiac cells that number in the tens of thousands to a million. These cell monolayers can be engineered in terms of their tissue architecture, cell type, protein expression and microenvironment, and have been used to study clinically relevant phenomena in the heart that include electrical stimulation, electrical propagation, arrhythmia and cell therapy.

    Research Areas: bioelectric systems, arrhythmia, cell therapy, cardiology
  • Cardiac Surgery Research Lab

    Lab Website
    Principal Investigator:
    Jennifer Lawton, M.D.
    Medicine
    Surgery

    Founded in 1942 by surgeon Alfred Blalock and surgical technician Vivien Thomas, the Cardiac Surgery Research Lab at The Johns Hopkins Hospital serves not only to spearhead discovery and innovation in cardiothoracic surgery, but also to train future leaders in the field. Active areas of investigation include the development of novel, nanoparticle-based therapeutics to mitigate acute lung injury, avoid neurological injury during cardiac surgery, and improve organ preservation during heart and lung transplantation. The lab is also active in a variety of clinical research projects aimed at improving outcomes for our patients.

    Equally important, the lab plays a critical role in training residents for impactful careers in academic cardiothoracic surgery. Medical students, residents, and fellows receive hands-on simulation experiences to hone surgical skills outside of the operating room. The lab also serves as a training ground to develop research and investigation skills as trainees lea...rn methods of advanced statistical analysis and academic writing. Special programs for undergraduates and medical students help develop their passion for cardiac surgery and surgical research, giving unique opportunities to young talent. view more

    Research Areas: cardiac surgery, nanotechnology, cardiothoracic surgery, surgical models, heart transplant, lung transplant
  • Cardiology Bioengineering Laboratory

    Lab Website
    Principal Investigator:
    Henry Halperin, M.D.
    Medicine

    The Cardiology Bioengineering Laboratory, located in the Johns Hopkins Hospital, focuses on the applications of advanced imaging techniques for arrhythmia management. The primary limitation of current fluoroscopy-guided techniques for ablation of cardiac arrhythmia is the inability to visualize soft tissues and 3-dimensional anatomic relationships.

    Implementation of alternative advanced modalities has the potential to improve complex ablation procedures by guiding catheter placement, visualizing abnormal scar tissue, reducing procedural time devoted to mapping, and eliminating patient and operator exposure to radiation.

    Active projects include
    • Physiological differences between isolated hearts in ventricular fibrillation and pulseless electrical activity
    • Successful ablation sites in ischemic ventricular tachycardia in a porcine model and the correlation to magnetic resonance imaging (MRI)
    • MRI-guided radiofrequency ablation of canine atrial fibrillation, and ...diagnosis and intervention for arrhythmias
    • Physiological and metabolic effects of interruptions in chest compressions during cardiopulmonary resuscitation

    Henry Halperin, MD, is co-director of the Johns Hopkins Imaging Institute of Excellence and a
    professor of medicine, radiology and biomedical engineering. Menekhem M. Zviman, PhD is the laboratory manager.
    view more

    Research Areas: magnetic resonance imaging, CPR models, cardiac mechanics, MRI-guided therapy, ischemic tachycardia, arrhythmia, cardiology, sudden cardiac death, cardiopulmonary resuscitation, computational modeling
  • Cardiovascular Stem Cell Program

    Lab Website
    Principal Investigator:
    Chulan Kwon, M.S., Ph.D.
    Medicine

    The research program aims to advance cardiovascular biology and medicine by focusing on pluripotent stem cell-based modeling and therapy and by nurturing future leaders in regenerative medicine.

    Research Areas: cardiac, stem cells, cardiology, regenerative medicine
  • Center for Research on Cardiac Intermediate Filaments

    Lab Website
    Principal Investigator:
    Giulio Agnetti, Ph.D.
    Medicine

    The CRCIF was established to foster collaborative efforts aimed at elucidating the role of intermediate filaments (IFs) in the heart. Intermediate filaments constitute a class of cytoskeletal proteins in metazoan cells, however, different from actin microfilaments and tubulin microtubules, their function in cardiac cells is poorly understood. Unique from the other two components of the cytoskeleton, IFs are formed by cell type-specific proteins. Desmin is the main component of the IFs in the cardiac myocytes. We measured the consistent induction of desmin post-translational modifications (PTMs, such as phosphorylation, etc.) in various clinical and experimental models of heart failure. Therefore, one of our main focuses is to determine the contribution of desmin PTMs to the development of heart failure in different animal and clinical models.

    Active Projects:

    • Quantification of desmin PTM-forms in different forms of heart failure at the peptide level using mass spectrometry
    • F...unctional assessment of the role of desmin PTMs in heart failure development using single site mutagenesis and biophysical methods
    • Molecular characterization of desmin preamyloid oligomers using mass spectrometry, in vitro and in vivo imaging
    • Assessment of the diagnostic and pharmacological value of desmin PTMs in heart failure development
    view more

    Research Areas: heart failure, intermediate filaments
  • Chulan Kwon Laboratory

    Lab Website
    Principal Investigator:
    Chulan Kwon, M.S., Ph.D.
    Medicine

    The C. Kwon Lab studies the cellular and molecular mechanisms governing heart generation and regeneration.

    The limited regenerative capacity of the heart is a major factor in morbidity and mortality rates: Heart malformation is the most frequent form of human birth defects, and cardiovascular disease is the leading cause of death worldwide. Cardiovascular progenitor cells hold tremendous therapeutic potential due to their unique ability to expand and differentiate into various heart cell types.

    Our laboratory seeks to understand the fundamental biology and regenerative potential of multi-potent cardiac progenitor cells – building blocks used to form the heart during fetal development — by deciphering the molecular and cellular mechanisms that control their induction, maintenance, and differentiation. We are also interested in elucidating the maturation event of heart muscle cells, an essential process to generate adult cardiomyocytes, which occurs after terminal differentiation ...of the progenitor cells. We believe this knowledge will contribute to our understanding of congenital and adult heart disease and be instrumental for stem cell-based heart regeneration.

    We have developed several novel approaches to deconstruct the mechanisms, including the use of animal models and pluripotent stem cell systems. We expect this knowledge will help us better understand heart disease and will be instrumental for stem-cell-based disease modeling and interventions for of heart repair.

    Dr. Chulan Kwon is an assistant professor of medicine at the Johns Hopkins University Heart and Vascular Institute.
    view more

    Research Areas: stem cells, cell biology, heart regeneration, congenital heart disease, cardiovascular, molecular biology, cardiac cells
  • CORE-320 Multicenter Trial Lab

    The central theme of the CORE-320 Multicenter Trial Lab’s research is to support the Coronary Artery Evaluation Using 320-Row Multidetector CT Angiography (CORE 320) study, a multi-center multinational diagnostic study with the primary objective to evaluate the diagnostic accuracy of 320-MDCT for detecting coronary artery luminal stenosis and corresponding myocardial perfusion deficits in patients with suspected CAD compared with the reference standard of conventional coronary angiography and SPECT myocardial perfusion imaging.

    Armin Arbab-Zadeh, MD, PhD, is an associate professor of medicine at the Johns Hopkins University School of Medicine and Director of Cardiac Computed Tomography in the Division of Cardiology at the Johns Hopkins Hospital in Baltimore.

    Research Areas: coronary/cardiac imaging, coronary risk prediction, heart attack prevention, cardiac computed tomography, coronary circulation and disease

    Research Areas: cardiac imaging, cardiac computing tomography, coronary risk prediction, heart attack prevention
  • Donald Shaffner Lab

    Work in the Donald Shaffner Lab investigates several topics within critical care medicine. Our team conducts research on the mechanisms involved in neurologic injury from global ischemia as a result of cardiac arrest and resuscitation. We also study neurologic outcomes of pediatric patients who experience cardiac arrest.

    Research Areas: hyperthermia, critical care medicine, cardiac arrest, resuscitation, ischemia, pediatrics, neurology
  • Elizabeth Hunt Lab

    Researchers in the Elizabeth Hunt Lab study innovative ways to improve the care quality and clinical outcomes of children who suffer cardiopulmonary arrest. Our work includes implementing rapid-response systems, capturing and analyzing cardiac-arrest data, and redesigning medical devices and simulators. We've introduced novel simulation approaches to education, including data-driven debriefing and the Rapid Cycle Deliberate Practice approach.

    Research Areas: outcomes, pediatric cardiopulmonary arrest, rapid response systems, rapid cycle deliberate practice, pediatrics, quality of care
  • Foster Lab

    Lab Website
    Principal Investigator:
    D. Brian Foster, M.Sc., Ph.D.
    Medicine

    The Foster Lab uses the tools of protein biochemistry and proteomics to tackle fundamental problems in the fields of cardiac preconditioning and heart failure. Protein networks are perturbed in heart disease in a manner that correlates only weakly with changes in mRNA transcripts. Moreover, proteomic techniques afford the systematic assessment of post-translational modifications that regulate the activity of proteins responsible for every aspect of heart function from electrical excitation to contraction and metabolism. Understanding the status of protein networks in the diseased state is, therefore, key to discovering new therapies.

    D. Brian Foster, Ph.D., is an assistant professor of medicine in the division of cardiology, and serves as Director of the Laboratory of Cardiovascular Biochemistry at the Johns Hopkins University School of Medicine.


    Research Areas: proteomics, protein biochemistry, heart failure, cardiology, cardiac preconditioning, cardiomyopathy
  • Interventional Cardiology Research Group

    Principal Investigator:
    Jon Resar, M.D.
    Medicine

    Our group is interested in a broad array of clinical and translational investigations spanning the evaluation of basic pathophysiology in patients undergoing cardiac procedures, development and evaluation of new therapeutic strategies, and improving patient selection and outcomes following interventional procedures. We are comprised of a core group of faculty and dedicated research nurses as well as fellows, residents, and students. Projects range from investigator-initiated single-center observational studies to industry-sponsored multicenter phase 3 randomized controlled trials. We have established a database of all patients who have undergone TAVR at Johns Hopkins, which is providing the basis for several retrospective analyses and will serve as the foundation for future studies of TAVR. We are also engaged in collaborative projects with other groups from the Department of Medicine and other Departments including Cardiac Surgery, Anesthesiology, Radiology, Psychiatry, and Biomedical... Engineering. Members of our group are actively involved with the Johns Hopkins Center for Bioengineering Innovation and Design (CBID) in the development of novel minimally-invasive cardiovascular devices. view more

    Research Areas: coronary CT angiography, PCI, bioprosthetic leaflet thrombosis, myocardial regeneration, TAVR
  • Joseph Mankowski Lab

    Principal Investigator:
    Joseph L. Mankowski, D.V.M., Ph.D.
    Molecular and Comparative Pathobiology

    The Joseph Mankowski Lab studies the immunopathogenesis of HIV infection using the SIV/macaque model. Our researchers use a multidisciplinary approach to dissect the mechanism underlying HIV-induced nervous system and cardiac diseases. Additionally, we study the role that host genetics play in HIV-associated cognitive disorders.

    Research Areas: macaques, HIV, genomics, SIV, pathogenesis, cardiology, nervous system
  • Kass Lab

    Lab Website
    Principal Investigator:
    David Kass, M.D.
    Medicine

    Basic science investigations span an array of inquiries, such as understanding the basic mechanisms underlying cardiac dyssynchrony and resynchronization in the failing heart, and beneficial influences of nitric oxide/cGMP/protein kinase G and cGMP-targeted phosphdiesterase signaling cascades on cardiac maladaptive stress remodeling. Recently, the latter has particularly focused on the role of phosphodiesterase type 5 and its pharmacologic inhibitors (e.g. sildenafi, Viagra®), on myocyte signaling cascades modulated by protein kinase G, and on the nitric oxide synthase dysregulation coupled with oxidant stress.

    The lab also conducts clinical research and is presently exploring new treatments for heart failure with a preserved ejection fraction, studying ventricular-arterial interaction and its role in adverse heart-vessel coupling in left heart failure and pulmonary hypertension, and testing new drug, device, and cell therapies for heart disease. A major theme has been with the use ...of advanced non-invasive and invasive catheterization-based methods to assess cardiac mechanics in patients.asive and invasive catheterization-based methods to assess cardiac mechanics in patients.

    David Kass, MD, is currently the Director at the Johns Hopkins Center for Molecular Cardiobiology and a professor in cellular and molecular medicine.
    view more

    Research Areas: pulmonary hypertension, heart disease, cardiac hypertrophy, heart failure, cardiology
  • Kathleen Gabrielson Laboratory

    Principal Investigator:
    Kathleen Gabrielson, D.V.M., Ph.D.
    Molecular and Comparative Pathobiology

    Research in the Kathleen Gabrielson Laboratory focuses on the signal transduction of cardiovascular toxicities in vitro, in cardiomyocyte culture and in vivo using rodent models. Specifically, the research focuses on understanding the mechanisms of various cancer therapies that induce cardiac toxicities.

    Currently, we are testing prevention strategies for these toxicities by studying the cardiac effects of the anthracycline doxorubicin (adriamycin) and the immunotherapeutic agent, Herceptin, anti-erbB2. We are focusing on the signal transduction pathways in the heart that are modulated by anti-erbB2 treatment, which in turn, worsens doxorubicin toxicity. Thus, understanding the mechanisms behind the combined toxicity of doxorubicin and anti-erbB2 will pave the way for the design of strategies to reduce toxicity, identify patients at risk and potentially allow higher levels of this effective combination therapy to be used with an improved long-term survival in patients.

    Research Areas: cardiovascular toxicity, cancer, pathology, signal transduction
  • Lima Lab

    Lab Website
    Principal Investigator:
    Joao Lima, M.B.A., M.D.
    Medicine

    The Lima Lab’s research is concentrated on the development and application of imaging and technology to address scientific and clinical problems involving the heart and vascular system.

    Specifically, our research is focused on developing magnetic resonance imaging (MRI) contrast techniques to investigate microvascular function in patients and experimental animals with myocardial infarction; functional reserve secondary to dobutamine stimulation and myocardial viability assessed by sodium imaging; and cardiac MRI and computed tomography (CT) program development of techniques to characterize atherosclerosis in humans with cardiovascular or cerebrovascular disease.

    Current projects include:
    • The Coronary Artery Risk Development in Young Adults (CARDIA) Study
    • The MESA (Multi-Ethnic Study of Atherosclerosis) Study
    • The Coronary Artery Evaluation using 64-row Multidetector Computed Tomography Angiography (CORE64) Study

    Joao Lima, MD, is a professor of medicine, radiology and... epidemiology at the Johns Hopkins School of Medicine. view more

    Research Areas: magnetic resonance, cerebrovascular, imaging, cardiovascular, cardiology, atherosclerosis, computed tomography, vascular, myocardial infarction
  • Mary Beth Brady Lab

    Lab Website

    Research in the Mary Beth Brady Lab focuses primarily on topics within the fields of anesthesiology, imaging and cardiology. Our work has explored transesophageal echocardiography simulation, echocardiography, cardiac and vascular-thoracic anesthesiology, and other areas within critical care medicine. A recent study involved obtaining 3-D images of the heart, which were then used to build computer programs to help cardiac surgeons improve their treatment of heart defects.

    Research Areas: critical care medicine, cardiac anesthesiology, imaging, transesophageal echocardiogram, anesthesiology, cardiology, echocardiography, vascular-thoracic anesthesiology
  • Nauder Faraday Lab

    Lab Website

    The Nauder Faraday Lab investigates topics within perioperative genetic and molecular medicine. We explore thrombotic, bleeding and infectious surgical complications. Our goal is to uncover the molecular determinants of outcome in surgical patients, which will enable surgeons to better personalize a patient’s care in the perioperative period. Our team is funded by the National Institutes of Health to research platelet phenotypes, the pharmacogenomics of antiplatelet agents for preventing cardiovascular disease, and the genotypic determinants of aspirin response in high-risk families.

    Research Areas: cardiac surgery, molecular medicine, post-surgical outcomes, genomics, cardiovascular diseases, post-surgery complications
  • O'Rourke Lab

    Lab Website
    Principal Investigator:
    Brian O'Rourke, Ph.D.
    Medicine

    The O’Rourke Lab uses an integrated approach to study the biophysics and physiology of cardiac cells in normal and diseased states.

    Research in our lab has incorporated mitochondrial energetics, Ca2+ dynamics, and electrophysiology to provide tools for studying how defective function of one component of the cell can lead to catastrophic effects on whole cell and whole organ function. By understanding the links between Ca2+, electrical excitability and energy production, we hope to understand the cellular basis of cardiac arrhythmias, ischemia-reperfusion injury, and sudden death.

    We use state-of-the-art techniques, including single-channel and whole-cell patch clamp, microfluorimetry, conventional and two-photon fluorescence imaging, and molecular biology to study the structure and function of single proteins to the intact muscle. Experimental results are compared with simulations of computational models in order to understand the findings in the context of the system as a whole....

    Ongoing studies in our lab are focused on identifying the specific molecular targets modified by oxidative or ischemic stress and how they affect mitochondrial and whole heart function.

    The motivation for all of the work is to understand
    • how the molecular details of the heart cell work together to maintain function and
    • how the synchronization of the parts can go wrong

    Rational strategies can then be devised to correct dysfunction during the progression of disease through a comprehensive understanding of basic mechanisms.

    Brian O’Rourke, PhD, is a professor in the Division of Cardiology and Vice Chair of Basic and Translational Research, Department of Medicine, at the Johns Hopkins University.
    view more

    Research Areas: biophysics, ischemia-reperfusion injury, imaging, electrophysiology, cardiovascular, arrhythmia, physiology, sudden cardiac death, molecular biology, cardiac cells
  • Pediatric Cardiology Core Imaging Laboratory

    Principal Investigator:
    Shelby Kutty, M.D., M.S., Ph.D.
    Medicine

    The lab’s assets include three MRI systems available for pediatric studies, cardiac imaging processing, cardiovascular imaging and therapeutic ultrasound. A robust echocardiogram program conducts 10,000 transthoracic echocardiograms and 1,300 fetal echocardiograms per year, and maintains a database with 10 years of data.

    Research Areas: cardiac imaging, pediatric cardiology
  • Post Lab

    Lab Website
    Principal Investigator:
    Wendy Post, M.D., M.S.
    Medicine

    The Post Lab is involved in the Multi-Ethnic Study of Atherosclerosis (MESA), a collaborative study of the characteristics of subclinical cardiovascular disease (that is, disease detected non-invasively before it has produced clinical signs and symptoms) and the risk factors that predict progression to clinically overt cardiovascular disease or progression of the subclinical disease.

    As MESA researchers, we study a diverse, population-based sample of 6,814 asymptomatic men and women aged 45-84. Approximately 38 percent of the recruited participants are white, 28 percent African-American, 22 percent Hispanic, and 12 percent Asian, predominantly of Chinese descent.

    Participants were recruited from six field centers across the United States, including Johns Hopkins University. Each participant received an extensive physical exam to determine a number of conditions, including coronary calcification, ventricular mass and function, flow-mediated endothelial vasodilation, standard coron...ary risk factors, sociodemographic factors, lifestyle factors, and psychosocial factors.

    Selected repetition of subclinical disease measures and risk factors at follow-up visits have allowed study of the progression of disease. Participants are being followed for identification and characterization of cardiovascular disease events, including acute myocardial infarction and other forms of coronary heart disease (CHD), stroke, and congestive heart failure; for cardiovascular disease interventions; and for mortality.

    Wendy S. Post, MD, MS, is an associate faculty, Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University, and a professor of medicine.
    view more

    Research Areas: coronary artery disease, cardiovascular, ethnicity, pathogenesis, atherosclerosis, sudden cardiac death
  • Rahul Koka Lab

    Lab Website

    Research in the Rahul Koka Lab focuses on pediatric airways, patient safety and health disparities. Recent studies have focused on the relationship between socioeconomic status and perioperative outcomes and patient safety factors related to interoperative cardiac arrests. We also performed effects analyses of the maintenance and repair of anesthetic equipment in various medical environments.

    Research Areas: airway diseases, patient safety, pediatrics, health disparities
  • Raymond Koehler Lab

    Lab Website

    Research in the Raymond Koehler Lab explores cerebrovascular physiology and cerebral ischemic injury caused by stroke and cardiac arrest, using protein analysis, immunohistochemistry and histology. We also study ischemic preconditioning, neonatal hypoxic-ischemic encephalopathy and the mechanisms of abnormal cerebrovascular reactivity after ischemia. We 're examining ways to improve tissue oxygenation and seek to better understand the mechanisms that connect an increase in cerebral blood flow to neuronal activity.

    Research Areas: cardiac arrest, neurons, cerebrovascular, resuscitation, stroke, oxygen
  • Reid Thompson Laboratory

    Principal Investigator:
    William Thompson, M.D.
    Medicine
    Pediatrics

    Reid Thompson’s research interests include evaluation of ventricular function in patients with muscular dystrophy and Barth syndrome, and in patients who have completed chemotherapy. He also studies novel methods of teaching and diagnosing heart disease through cardiac auscultation.

    Research Areas: Barth syndrome, pediatric cardiology, muscular dystrophy
  • Retrovirus Laboratory

    Principal Investigator:
    Janice Clements, Ph.D.
    Molecular and Comparative Pathobiology

    Research in the Retrovirus Laboratory focuses on the molecular virology and pathogenesis of lentivirus infections. In particular, we study the simian immunodeficiency virus (SIV) to determine the molecular basis for the development of HIV CNS, pulmonary and cardiac disease.

    Research projects include studies of viral molecular genetics and host cell genes and proteins involved in the pathogenesis of disease. We are also interested in studies of lentivirus replication in macrophages and astrocytes and their role in the development of disease. These studies have led us to identify the viral genes that are important in neurovirulence of SIV and the development of CNS disease including NEF and the TM portion of ENV. The mechanisms of the action of these proteins in the CNS are complex and are under investigation. We have also developed a rapid, consistent SIV/macaque model in which we can test the ability of various antiviral and neuroprotective agents to reduce the severity of CNS and ...pulmonary disease. view more

    Research Areas: HIV, genomics, pulmonology, SIV, cardiology, lentivirus
  • The Arking Lab

    Principal Investigator:
    Dan Arking, Ph.D.
    Medicine

    The Arking Lab studies the genomics of complex human disease, with the primary goal of identifying and characterizing genetics variants that modify risk for human disease. The group has pioneered the use of genome-wide association studies (GWAS), which allow for an unbiased screen of virtually all common genetic variants in the genome. The lab is currently developing improved GWAS methodology, as well as exploring the integration of additional genome level data (RNA expression, DNA methylation, protein expression) to improve the power to identify specific genetic influences of disease.

    The Arking Lab is actively involved in researching:
    • autism, a childhood neuropsychiatric disorder
    • cardiovascular genomics, with a focus on electrophysiology and sudden cardiac death (SCD)
    • electrophysiology is the study of the flow of ions in biological tissues

    Dan E. Arking, PhD, is an associate professor at the McKusick-Nathans Institute of Genetic Medicine and Department of Medicine, D...ivision of Cardiology, Johns Hopkins University. view more

    Research Areas: autism, genetics, aging, cardiovascular diseases, sudden cardiac death
  • The Atlantic Cardiovascular Patient Outcomes Research Team - Atlantic C-PORT

    Principal Investigator:
    Thomas Aversano, M.D.
    Medicine

    Our research is centered on the safety, efficacy and outcomes of PCI performed at hospitals without on-site cardiac surgery.

    Active projects:

    C-PORT Randomized Studies and Registries; New Jersey Angioplasty Demonstration Project; InCar-decision support tools for performance of PCI at hospitals without on-site cardiac surgery.

    For more information please visit Cport.org.

    Research Areas: cardiac surgery, cardiology
  • The Barouch Lab

    Principal Investigator:
    Lili Barouch, M.D.
    Medicine

    The Barouch Lab is focused on defining the peripheral cardiovascular effects of the adipocytokine leptin, which is a key to the understanding of obesity-related cardiovascular disease. Interestingly, many of the hormonal abnormalities seen in obesity are mimicked in heart failure. The research program will enhance the understanding of metabolic signaling in the heart, including the effects of leptin, exercise, sex hormones, and downstream signaling pathways on metabolism and cardiovascular function.

    The lab also is working to determine the precise role of the “metabolic” beta-3 adrenergic receptor (ß3AR) in the heart and define the extent of its protective effect in obesity and in heart failure, including its role in maintaining nitric oxide synthase (NOS) coupling. Ultimately, this work will enable the exploration of a possible therapeutic role of ß3AR agonists and re-coupling of NOS in preventing adverse ventricular remodeling in obesity and in heart failure.

    Lili Barouch, MD,... is an associate professor of medicine in the Division of Cardiology and a member of the Advanced Heart Failure and Cardiac Transplantation group at the Johns Hopkins University School of Medicine. view more

    Research Areas: cardiac remodeling, cardiac hypertrophy, obesity, cognitive heart failure
  • Weiss Lab

    Lab Website
    Principal Investigator:
    Robert Weiss, M.D.
    Medicine

    The Weiss Lab, which features a multi-disciplinary team at Johns Hopkins as well as at Cedars Sinai Medical Center in Los Angeles, is dedicated to identifying the most important clinical, genetic, structural, contractile and metabolic causes of sudden cardiac death as well as the means to reverse the underlying pathology and lower risk.

    Current projects include research into energy metabolism in human heart failure and creatine kinase metabolism in animal models of heart failure.

    Robert G. Weiss, MD, is professor of medicine, Radiology and Radiological Science, at the Johns Hopkins University.

    Research Areas: energy metabolism, creatine kinase metabolism, imaging, heart failure, aging, cardiology, sudden cardiac death
  • Wu Lab

    Principal Investigator:
    Katherine Wu, M.D.
    Medicine

    Dr. Wu leads a multi-disciplinary team with collaborators from the Bloomberg School of Public Health, JHU Whiting School of Engineering, and JHU Krieger School of Arts and Sciences. She conducts ongoing investigations with the Multicenter AIDS Cohort Study and Women’s Inter-agency Health Study. Her lab’s goals are to develop, implement, and validate novel imaging-based metrics of cardiac structure and function to improve risk prediction and stratification at the individual patient-level.

    Research Focuses:

    Predictors of Sudden Cardiac Death by Magnetic Resonance Imaging
    Subclinical myocardial disease in people living with HIV
    Individualized risk prediction
    Cardiac structural and mechanical modeling

    Research Areas: AIDS, HIV, risk prediction, myocardial disease
  • Zambidis Laboratory

    Principal Investigator:
    Elias Zambidis, M.D., Ph.D.
    Oncology

    The Zambidis Labratory studies the formation of pluripotent stem cells and the subsequent hematopoietic, endothelial and cardiac differentiation, as well as the potential therapeutic uses of pluripotent stem cell-derived cells.

    Research Areas: stem cells, vasculogenesis, cardiogenesis, hematopoiesis, cancer stem cells, pluripotency
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