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• Jeffrey Dodd-o Lab

  Research in the Jeffrey Dodd-o Lab aims to better understand the contributing factors of lung ischemia/reperfusion injuries and the role these injuries play in the lung dysfunction of patients soon after cardiopulmonary bypass surgery. We have created an ischemia/reperfusion model in a spontaneously breathing mouse that they use with an in situ mouse lung preparation to identify cardiopulmonary interactions that impact reperfusion-related lung injury. We are working to characterize the influence of atrial natriuretic peptide (ANP) on lung microvascular permeability.

  Research Areas: lung ischemia, ischemia-reperfusion injury, cardiopulmonary diseases, atrial natriuretic peptides

  Lab Website

  

  Principal Investigator

  Jeffrey Dodd-o, M.D., Ph.D.

  Department

  Anesthesiology and Critical Care Medicine
  

• Jonathan Orens Lab

  Research in the Jonathan Orens Lab examines topics such as clinical outcomes of lung transplantation, chronic allograft rejection and ischemic reperfusion injury, also known as primary graft dysfunction.

  Research Areas: ischemia-reperfusion injury, chronic allograft rejection, pulmonary medicine, lung transplant

  

  Principal Investigator

  Jonathan Orens, M.D.

  Department

  Medicine
  

• O'Rourke Lab

  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

  Lab Website

  

  Principal Investigator

  Brian O'Rourke, Ph.D.

  Department

  Medicine
  

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