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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.
Investigators in the Aniket Sidhaye Lab focus on the mechanism of nuclear hormone receptor action—with an emphasis on thyroid hormone receptors and PPAR-gamma obesity—and transitional care of patients with type 1 diabetes.
Research in the Edgar Miller Lab focuses on nutrition, hypertension and kidney disease. Current projects include a National Heart, Lung, and Blood Institute study on dietary carbohydrate and glycemic index effects on markers of oxidative stress, inflammation and kidney function; and a National Institute of Diabetes and Digestive and Kidney Diseases randomized controlled trial that examines the effects of omega-3 fatty acid supplementation on urine protein excretion in diabetic kidney disease.
The Elizabeth Selvin Lab examines the intersection of epidemiology, clinical policy and public health policy. One of our key goals is to use the findings of epidemiologic research to inform the screening, diagnosis and treatment of diabetes, cardiovascular disease and kidney disease. Much of our work looks at biomarkers and diagnostics related to diabetes and diabetes complications. Our findings — linking hemoglobin A1c (HbA1c) to diabetic complications and identifying the role of A1c in diabetes diagnosis — have influenced clinical practice guidelines.
Research in the Felicia Hill-Briggs Lab focuses on assessment methods and clinical intervention in behavioral medicine, with an emphasis on patient self-management and outcomes in ethnic minorities with chronic diseases. We are interested in the application of problem-solving and decision-making models to self-management and health behavior change. Our recent research involves examining problem-solving training for cardiovascular disease risk self-management in African Americans with type 2 diabetes. We also have a long-standing interest in cognitive/neuropsychological processes in chronic diseases, translation of research to clinical practice settings and community-based settings, and evidence-based behavioral medicine.
The Fu Lab is a basic research lab that studies zinc transport, with a particular focus on which step in the zinc transport process may be modulated and how. Dr. Fu's lab uses parallel cell biology and proteomic approaches to understand how these physiochemical principles are applied to mammalian zinc transporters and integrated to the physiology of pancreatic beta cells. This research has implications for understanding how zinc transport is related to diabetes and insulin intake.
The Wong Lab seeks to understand mechanisms employed by cells and tissues to maintain metabolic homeostasis. We are currently addressing how adipose- and skeletal muscle-derived hormones (adipokines and myokines), discovered in our lab, regulate tissue crosstalk and signaling pathways to control energy metabolism. We use transgenic and knockout mouse models, as well as cell culture systems, to address the role of the CTRP family of hormones in physiological and disease states. We also aim to identify the receptors that mediate the biological functions of CTRPs.
Work in the Hsin-Chieh Yeh Lab focuses on clinical trials and cohort studies of diabetes, obesity and behavioral intervention, cancer and hypertension. Recent investigations have focused on novel risk factors and complications related to obesity and type 2 diabetes, particularly lung function, smoking and cancer. We recently co-led a randomized clinical trial of tailored dietary advice for consumption of dietary supplements to lower blood pressure and improve cardiovascular disease risk factors in hypertensive urban African Americans.
Research in the J. Hunter Young Lab focuses on the genetic epidemiology and physiology of cardiovascular disease and its risk factors, especially hypertension, diabetes and obesity. Current activities include an observational study of hypertension among African Americans; a genetic epidemiology study of worldwide cardiovascular disease susceptibility patterns; and several population-based observational studies of cardiovascular and renal disease. A recent focus group study found that changes in housing and city policies might lead to improved environmental health conditions for public housing residents.
Research in the Jeanne Clark Lab covers a wide range of fields, employing various research techniques, methods and procedures to generate and disseminate the knowledge required to prevent disease and its consequences. Our most recent research program, Look AHEAD, focuses on the health of overweight volunteers with type 2 diabetes. We are examining the long-term effects of an intensive lifestyle intervention program designed to achieve and maintain weight loss by decreased caloric intake and increased physical activity.
Research in the Jodi Segal Lab focuses on developing methodologies to use observational data to understand the use of new drugs, particularly drugs for treating diabetes, blood disorders and osteoporosis. We apply advanced methods for evidence-based review and meta-analysis, and—in collaboration with Johns Hopkins biostatisticians—we have developed new methodologies for observational research (using propensity scores to adjust for covariates that change over time) and methods to account for competing risks and heterogeneity of treatment effects in analyses.
Research in the Wilson Lab focuses on three components of nuclear lamina structure: lamins, LEM-domain proteins (emerin), and BAF.
These three proteins all bind each other directly, and are collectively required to organize and regulate chromatin, efficiently segregate chromosomes and rebuild nuclear structure after mitosis. Mutations in one or more of these proteins cause a variety of diseases including Emery-Dreifuss muscular dystrophy (EDMD), cardiomyopathy, lipodystrophy and diabetes, and accelerated aging.
We are examining emerin's role in mechanotransduction, how emerin and lamin A are regulated, and whether misregulation contributes to disease.
Research in the Kendall Moseley Lab is focused on the interplay between type 2 diabetes, aging and osteoporosis. We also study the function of bone stem cells in the regulation of bone remodeling.
Research in the Lee Bone Lab uses community-based participatory approaches to promote health in underserved urban African-American populations. We conduct randomized clinical trials on cardiovascular disease, diabetes and cancer detection and control in order to test the success of community interventions. We focus in particular on making interventions sustainable and on implementing electronic education to improve communication.
Research in the Mark Sulkowski Lab focuses on hepatitis B and hepatitis C. We've conducted clinical research related to the management of viral hepatitis, including novel agents. Other studies focus on adult patients at the Johns Hopkins site of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Hepatitis B Clinical Research Network as well as the National Institute of Allergy and Infectious Diseases Adult AIDS Clinical Trials Group.
The Michael Klag Lab focuses on the epidemiology and prevention of kidney disease, cardiovascular disease and hypertension. Our research determined that the U.S. was experiencing an epidemic of end-stage kidney disease, pinpointed the incidence of kidney disease and published scholarship on risk factors for kidney disease such as race, diabetes and socioeconomic status. Our Precursors Study has shown that serum cholesterol measured at age 22 years is a predictor for midlife cardiovascular disease, a finding that has influenced policy about cholesterol screening in young adults. We also research health behaviors that lead to hypertension and study how differences in these behaviors affect urban and non-urban populations.
Research in the Michael Matunis Lab focuses on the SUMO family of small ubiquitin-related proteins. We study the covalent conjugation of SUMOs to other cellular proteins, which regulates numerous processes needed for cell growth and differentiation, and which, when defective, can lead to conditions such as cancer, neurodegenerative disease and diabetes.
The Wolfgang Laboratory is interested in understanding the metabolic properties of neurons and glia at a mechanistic level in situ. Some of the most interesting, enigmatic and understudied cells in metabolic biochemistry are those of the nervous system. Defects in these pathways can lead to devastating neurological disease. Conversely, altering the metabolic properties of the nervous system can have surprisingly beneficial effects on the progression of some diseases. However, the mechanisms of these interactions are largely unknown.
We use biochemical and molecular genetic techniques to study the molecular mechanisms that the nervous system uses to sense and respond to metabolic cues. We seek to understand the neurometabolic regulation of behavior and physiology in obesity, diabetes and neurological disease.
Current areas of study include deconstructing neurometabolic pathways to understand the biochemistry of the nervous system and how these metabolic pathways impact animal beh...avior and physiology, metabolic heterogeneity and the evolution of metabolic adaptation. view more
Research in the Mihail Zilbermint Lab focuses on diabetes, adrenal disease and thyroid disease. Recent areas of focus include pseudohypoaldosteronism type 1 related to novel variants of SCNN1B gene, genetic variance in the ARMC5 gene in primary macronodular adrenocortical hyperplasia and hyperaldosteronism due to de novo KCNJ5 mutation.
The Naresh Punjabi Lab primarily studies sleep apnea, epidemiology, cardiovascular disease, insulin resistance and type 2 diabetes. Our current research focuses on the epidemiology of sleep apnea with a particular emphasis on associated sequelae, including insulin resistance, type 2 diabetes mellitus and cardiovascular disease. We have been part of the multi-center Sleep Heart Health Study, an epidemiological study on the longitudinal effects of sleep apnea on hypertension, cardiovascular disease and mortality. Our lab is examining the independent effects of intermittent hypoxia on various pathways to help elucidate the links between sleep apnea, insulin resistance and metabolic dysfunction.
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