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Adrian Dobs Lab
Researchers in the Adrian Dobs Lab study topics that include gonadal dysfunction, hyperlipidemia, diabetes mellitus, and the relationship between sex hormones and heart disease. We currently are investigating male gonadal function—with particular interest in new forms of male hormone replacement therapy—and hormonal changes related to aging.
Researchers in the Ami Shah Lab study scleroderma and Raynaud’s phenomenon. We examine the relationship 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.
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
Among the hundreds of predictive models developed for cardiovascular disease, less than one-tenth of 1% actually end up routinely used in clinical practice. CV-Ai2 uses data from clinical practice and analytic intelligence to solve clinical problems and create solutions that can be applied in real-world patient care.
Research in the Cheryl Dennison Lab aims to improve cardiovascular care for high-risk groups through multidisciplinary and health information technology-based methods. Our studies focus on reducing system and provider obstacles to implementing cardiovascular guidelines in various health care environments. Additional research interests include chronic illness management, quality of care, interdisciplinary teamwork and provider behavior.