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The Arking Lab
The Arking Lab studies the genomics of complex human disease, with the primary goal of identifying and characterizing genetics variants that modify risk for human disease. The group has pioneered the use of genome-wide association studies (GWAS), which allow for an unbiased screen of virtually all common genetic variants in the genome. The lab is currently developing improved GWAS methodology, as well as exploring the integration of additional genome level data (RNA expression, DNA methylation, protein expression) to improve the power to identify specific genetic influences of disease.
The Arking Lab is actively involved in researching:
• autism, a childhood neuropsychiatric disorder
• cardiovascular genomics, with a focus on electrophysiology and sudden cardiac death (SCD)
• electrophysiology is the study of the flow of ions in biological tissues
Dan E. Arking, PhD, is an associate professor at the McKusick-Nathans Institute of Genetic Medicine and Department of Medicine, D...ivision of Cardiology, Johns Hopkins University. view more
The Bigos Lab
The Bigos Lab focuses on a Precision Medicine approach to the treatment of psychiatric illness. In addition, this lab employs functional neuroimaging and genetics as biomarkers in neuropsychiatric drug development. A recent study used functional MRI to test the neural effects of a drug with the potential to treat cognitive dysfunction in schizophrenia. Other studies aim to identify patient-specific variables including sex, race, and genetics that impact drug clearance and clinical response to better select and dose antipsychotics and antidepressants.
The Hillel Laboratory at Johns Hopkins investigates inflammatory, genetic, and molecular factors involved with laryngotracheal stenosis, or scar formation in the airway. Specifically, we are examining the interrelationship between genetics, the immune system, bacteria, and scar formation in the airway. The lab has developed unique models to study laryngotracheal stenosis and test drugs that may halt the progression of scar or reverse scar formation. We are also developing a drug-eluting stent to treat patients with laryngotracheal stenosis.
Research in the Howard and Georgeanna Seegar Jones Reproductive Endocrinology Lab supports a broad interest in reproductive conditions, but has a particular focus on endometriosis, uterine fibroids, polycystic ovary syndrome (PCOS) and genes causing infertility. PCOS and uterine fibroids are among the most prevalent conditions leading to infertility and diseases in women, but both remain poorly understood. Studying these areas may lead to the development of new treatments or preventative therapies.
Prostate cancer is the most commonly diagnosed malignancy in men in the United States, although our understanding of the molecular basis for this disease remains incomplete. We are interested in characterizing consistent alterations in the structure and expression of the genome of human prostate cancer cells as a means of identifying genes critical in the pathways of prostatic carcinogenesis.
We are focusing on somatic genomic alterations occurring in sporadic prostate cancers, as well as germline variations which confer increases in prostate cancer risk. Both genome wide and candidate gene approaches are being pursued, and cancer associated changes in gene expression analyses of normal and malignant prostate cells are being cataloged as a complementary approach in these efforts.
It is anticipated that this work will assist in providing more effective methodologies to identify men at high risk for this disease, in general, and in particular, to identify new markers of prognostic... and therapeutic significance that could lead to more effective management of this common disease. view more
Zack Wang Lab
The Zack Wang Lab studies pluripotent stem cells (PSCs), which hold great potential for regenerative medicine and gene therapy. We hope to define the molecular mechanisms that regulate cardiovascular and hematopoietic differentiation of PSCs, including embryonic stem (ES) cells and induced-pluripotent stem (iPS) cells. Our hope is that, by understanding the link between differentiation outcomes, we will be able to design rational methods of stem cell manipulation.
Ion channels are pore-forming membrane proteins gating the flow of ions across the cell membrane. Among their many functions, ion channels regulate cell volume, control epithelial fluid secretion, and generate the electrical impulses in our brain. The Qiu Lab employs a multi-disciplinary approach including high-throughput functional genomics, electrophysiology, biochemistry, and mouse genetics to discover novel ion channels and to elucidate their role in health and disease.