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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
The Gabelli lab research is focused on structural, mechanistic and functional aspects of enzyme activation that play a role in the biology of human diseases such as cancer, parasitic infection and cardiovascular disease. Their work seeks to:
1. Understand how molecular events at the recognition level coordinate and trigger events in the cells
2. Translate structural and mechanistic information on protein:protein interactions at the cytoplasmic level into preventive and therapeutic treatment for human disease.
To achieve a comprehensive understanding, they are studying cytoplasmic protein-protein interactions involved in regulation of pathways such as PI3K and Sodium Voltage gated channels. Their research integrates structural biology and chemical biology and it is focused on drug discovery for targeted therapies.
Sharon Turban Lab
Research in the Sharon Turban Lab focuses on the effects of sodium and potassium on blood pressure and on kidney function. We lead the Chronic Kidney Disease-Potassium (CKD-K) clinical trial, funded by American Heart Association, which examines the benefits and safety of two levels of potassium intake in patients with kidney disease. Other research includes the Chronic Renal Insufficiency Cohort (CRIC) study, which aims to improve the understanding of chronic kidney disease and related cardiovascular illness.
William Agnew Laboratory
The Agnew Laboratory examines the structure, mechanism and regulation of ion channels that mediate the action potential in nerve and muscle, as well as intracellular calcium concentrations. Much of our work has centered on voltage-activated sodium channels responsible for the inward currents of the action potential. These studies encompass biochemical, molecular biological and biophysical studies of Na channel structure, gating and conductance mechanisms, the stages of channel biosynthesis and assembly, and mechanisms linked to channel neuromodulation.
In recent molecular cloning and expression studies, we have characterized mutations in the human muscle sodium channel that appear to underlie certain inherited myopathies. New studies being pursued in our group also address the questions of structure, receptor properties, and biophysical behavior of intracellular calcium release channels activated by inositol-1,4,5-triphosphate. These channels are expressed at extremely high levels ...in selected cells of the central nervous system, and may play a role in modulating neuronal excitability. view more