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Research Lab Results for imaging

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  • Ami Shah Lab

    Lab Website
    Principal Investigator:
    Ami Shah, M.D.
    Medicine

    Researchers in the Ami Shah Lab study scleroderma and Raynaud’s phenomenon. We examine the rela...tionship between cancer and scleroderma, with a focus on how and if cancer causes scleroderma to develop in some patients. We are currently conducting clinical research to study ways to detect cardiopulmonary complications in patients with scleroderma, biological and imaging markers of Raynaud’s phenomenon, and drugs that improve aspects of scleroderma. view more

    Research Areas: Raynaud's phenomenon, cancer, scleroderma, drugs, cardiovascular diseases
  • Andrew Laboratory: Center for Cell Dynamics

    Lab Website
    Principal Investigator:
    Deborah Andrew, Ph.D., M.S.
    Cell Biology

    Researchers in the Center for Cell Dynamics study spatially and temporally regulated molecular ...events in living cells, tissues and organisms. The team develops and applies innovative biosensors and imaging techniques to monitor dozens of critical signaling pathways in real time. The new tools help them investigate the fundamental cellular behaviors that underlie embryonic development, wound healing, cancer progression, and functions of the immune and nervous systems. view more

    Research Areas: immunology, cancer, epithelial tube, nervous system, molecular biology
  • Ashikaga Lab

    Lab Website

    We specialize in unconventional, multi-disciplinary approaches to studying the heart at the int...ersection 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
  • Biophotonics Imaging Technologies (BIT) Laboratory

    Lab Website
    Principal Investigator:
    Xingde Li, Ph.D.
    Biomedical Engineering

    Research in the Biophotonics Imaging Technologies (BIT) Laboratory focuses on developing optica...l imaging and nano-biophotonics technology to reduce the random sampling errors in clinical diagnosis, improve early disease detection and guidance of biopsy and interventions, and improve targeted therapy and monitoring treatment outcomes. The imaging technologies feature nondestructiveness, unique functional and molecular specificity, and multi-scale resolution (from organ, to architectural morphology, cellular, subcellular and molecular level). The nano-biophotonics technologies emphasize heavily on biocompatibility, multi-function integration and fast track clinical translation. These imaging and nano-biophotonics technologies can also be potentially powerful tools for basic research such as for drug screening, nondestructive assessment of engineered biomaterials in vitro and in vivo, and for studying brain functions on awake animals under normal or controlled social conditions. view more

    Research Areas: drug screening, imaging, brain, nano-biophotonics
  • 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 performance and myopathic processes.
    view more

    Research Areas: muscle development, genetics, myopathic processes, striated muscle biology, muscle function, myopathy, muscle physiology
  • 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
  • Center for Infection and Inflammation Imaging Research

    Lab Website
    Principal Investigator:
    Sanjay Jain, M.B.B.S.
    Medicine

    In conjunction with the Molecular Imaging Center, the Center for Infection and Inflammation Ima...ging Research core provides state-of-the art small animal imaging equipment, including PET, SPECT, CT and US, to support the wide range of scientific projects within the diverse research community of the Johns Hopkins University and beyond. Trained technologists assist investigators in the use of these facilities. view more

    Research Areas: infectious disease, imaging, inflammation
  • 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 inte...rmediate 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
    • Functional 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
  • Clifton O. Bingham III Lab

    Principal Investigator:
    Clifton O. Bingham, M.D.
    Medicine

    Research in the Clifton O. Bingham III Lab focuses on defining clinical and biochemical disease... phenotypes related to therapeutic responses in rheumatoid arthritis and osteoarthritis; developing rational clinical trial designs to test new treatments; improving patient-reported outcome measures; evaluating novel imaging modalities for arthritis; and examining the role of oral health in inflammatory arthritis. view more

    Research Areas: biochemistry, imaging, osteoarthritis, clinical trials, inflammation, oral health, rheumatoid arthritis
  • CORE-320 Multicenter Trial Lab

    The central theme of the CORE-320 Multicenter Trial Lab’s research is to support the Coronary A...rtery 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
    view more

    Research Areas: cardiac imaging, cardiac computing tomography, coronary risk prediction, heart attack prevention
  • Dara Kraitchman Laboratory

    Lab Website

    The Dara Kraitchman Laboratory focuses on non-invasive imaging and minimally invasive treatment... of cardiovascular disease. Our laboratory is actively involved in developing new methods to image myocardial function and perfusion using MRI. Current research interests are aimed at determining the optimal timing and method of the administration of mesenchymal stem cells to regenerate infarcted myocardium using non-invasive MR fluoroscopic delivery and imaging. MRI and radiolabeling techniques include novel MR and radiotracer stem cell labeling methods to determine the location, quantity and biodistribution of stem cells after delivery as well as to noninvasively determine the efficacy of these therapies in acute myocardial infarction and peripheral arterial disease.

    Our other research focuses on the development of new animal models of human disease for noninvasive imaging studies and the development of promising new therapies in clinical trials for companion animals.
    view more

    Research Areas: imaging, cardioavascular, radiology, MRI, cardiomyopathy
  • Dmitri Artemov Lab

    The Artemov lab is within the Division of Cancer Imaging Research in the Department of Radiolog...y and Radiological Science. The lab focuses on 1) Use of advanced dynamic contrast enhanced-MRI and activated dual-contrast MRI to perform image-guided combination therapy of triple negative breast cancer and to assess therapeutic response. 2) Development of noninvasive MR markers of cell viability based on a dual-contrast technique that enables simultaneous tracking and monitoring of viability of transplanted stems cells in vivo. 3) Development of Tc-99m and Ga-68 angiogenic SPECT/PET tracers to image expression of VEGF receptors that are involved in tumor angiogenesis and can be important therapeutic targets. 4) Development of the concept of “click therapy” that combines advantages of multi-component targeting, bio-orthogonal conjugation and image guidance and preclinical validation in breast and prostate cancer models. view more

    Research Areas: VEGF receptors image expression, SPECT/PET tracers, tracking stem cells in vivo, triple-negative breast cancer, image-guided combination therapy, MRI, noninvasive MR markers, cancer imaging
  • Elizabeth Tucker Lab

    Lab Website

    Research in the Elizabeth Tucker Lab aims to find treatments that decrease neuroinflammation an...d improve recovery, as well as to improve morbidity and mortality in patients with infectious neurological diseases. We are currently working with Drs. Sujatha Kannan and Sanjay Jain to study neuroinflammation related to central nervous system tuberculosis – using an animal model to examine the role of neuroinflammation in this disease and how it can differ in developing brains and adult brains. Our team also is working with Dr. Jain to study noninvasive imaging techniques for use in monitoring disease progression and evaluating treatment responses. view more

    Research Areas: infectious disease, imaging, neuroinflammation, morbidity, tuberculosis
  • Gregory Kirk Lab

    Research in the Gregory Kirk Lab examines the natural history of viral infections — particularl...y HIV and hepatitis viruses — in the U.S. and globally. As part of the ALIVE (AIDS Linked to the Intravenous Experience) study, our research looks at a range of pathogenetic, clinical behavioral issues, with a special focus on non-AIDS-related outcomes of HIV, including cancer and liver and lung diseases. We use imaging and clinical, genetic, epigenetic and proteomic methods to identify and learn more about people at greatest risk for clinically relevant outcomes from HIV, hepatitis B and hepatitis C infections. Our long-term goal is to translate our findings into targeted interventions that help reduce the disease burden of these infections. view more

    Research Areas: global health, Hepatitis, Africa, AIDS, cancer, HIV, drugs, liver diseases
  • Healthy Brain Program

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