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The Alison Moliterno Lab studies the molecular pathogenesis of myeloproliferative disorders (MPDs), including polycythemia vera, essential thrombocytosis and idiopathic myelofibrosis. Our research is focused on the genetic and epigenetic lesions associated with MPDs, with the goal of improving diagnosis and treatment for these disorders.
The Lane laboratory is focused on understanding molecular mechanisms underlying chronic rhinosinusitis, particularly the pathogenesis of nasal polyps, as well as inflammation on the olfactory epithelium. Diverse techniques in molecular biology, immunology, and physiology are utilized to study epithelial cell innate immunity, olfactory loss, and response to viral infection. Ongoing work explores how epithelial cells of the sinuses and olfactory mucosa participate in the immune response and contribute to chronic inflammation. The lab creates and employs transgenic mouse models of chronic nasal/sinus inflammation to support research in this area. Collaborations are in place with the School of Public Health to explore mechanisms of anti-viral immunity in influenza and COVID-19.
The Bert Vogelstein Laboratory seeks to develop new approaches to the prevention or treatment of cancers through a better understanding of the genes and pathways underlying their pathogenesis.
Our major focus is on cancers of the colon and rectum. We have shown that each colon neoplasm arises from a clonal expansion of one transformed cell. This expansion gives rise to a small benign colon tumor (called a polyp or adenoma). This clonal expansion and subsequent growth of the tumors appears to be caused by mutations in oncogenes and tumor suppressor genes, and the whole process is accelerated by defects in genes required for maintaining genetic instability. Mutations in four or five such genes are required for a malignant tumor to form, while fewer mutations suffice for benign tumorigenesis. As the mutations accumulate, the tumors become progressively more dangerous.
Current studies are aimed at the further characterization of the mechanisms through which these genes act, the ident...ification of other genes that play a role in this tumor type, and the application of this knowledge to patient management. view more
The lab explores the genetic underpinnings that drive the pathogenesis of a variety of primary central nervous system neoplasms. We are interested in exploiting genetic changes for both diagnostic and therapeutic purposes. Our lab is currently working on understanding the extreme responders and extreme clinical phenotypes of brain and spinal cord tumors to identify factors that may modulate responses to therapy.
The Brendan Cormack Laboratory studies fungal pathogenesis, particularly the host-pathogen interaction for the yeast pathogen Candida glabrata.
We are trying to identify virulence genes (genes that evolved in response to the host environment) by screening transposon mutants of C. glabrata for mutants that are specifically altered in adherence to epithelial cells, in survival in the presence of macrophages and PMNs. We also screen mutants directly in mice for those unable to colonize or persist in the normal target organs (liver, kidney and spleen).
We also focus research on a family of genes--the EPA genes--that allow the organism to bind to host cells. Our research shows that a subset of them are able to mediate adherence to host epithelial cells. We are trying to understand the contribution of this family to virulence in C. glabrata by figuring out what the ligand specificity is of different family members, how genes are normally regulated during infection, and what mechanism...s normally act to keep the genes transcriptionally silent and how that silence is regulated. view more
The Clinical Laboratory and Biomarkers Cores will coordinate access to laboratory expertise, testing, training, specimen repositories and Good Clinical Laboratory Practices (GCLP). The goals of this core are to assure that all JHU HIV investigators have access to and utilize appropriate, validated and, where applicable, certified laboratory assays. The core will also maintain a biomarker specimen repository for storage cataloguing and utilization of biological specimens.
The David Graham Lab studies the consequences of HIV interactions with the immune system, the resulting pathogenesis and how to sabotage these interactions. We apply advanced technologies like mass spectrometry to dissect processes at the molecular level. We are also actively involved in cardiovascular research and studies the ways proteins are organized into functional units in different cell types of the heart.
Major projects in our lab are organized into three major areas: (1) H/SIV pathogenesis and neuropathogenesis, (2) Cardiovascular disease, and (3) High technology development
The David Thomas Lab oversees clinical research projects that aim to understand the natural history and pathogenesis of hepatitis C virus infection. A special area of clinical and research focus is liver disease in HIV-infected people.
Research in the Diane Griffin Lab focuses on the viral, cellular and immunologic determinants of diseases caused by alphaviruses and the measles virus. Our current studies aim to understand the immune-system mechanisms behind viral clearance and disease enhancement. Our team is also working to understand the pathogenesis of the measles virus, with a focus on developing new vaccines and learning how the virus induces immunosuppression.
The Douglas Ball Lab conducts clinical trials and pre-clinical laboratory studies of thyroid cancer. Our clinical trials, performed in collaboration with research staff in the upper aero-digestive group in the Sidney Kimmel Comprehensive Cancer Center, have included protocols for advanced radioiodine-refractory differentiated thyroid cancer and medullary thyroid cancer. Our pre-clinical research, conducted with Dr. Nelkin, Dr. Agrawal and other Kimmel Cancer Center researchers, includes pathogenesis and mechanisms of treatment resistance in medullary thyroid cancer, and pathogenesis and immune-directed therapy of anaplastic thyroid cancer.
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