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Research Lab Results for genetics

Displaying 21 to 38 of 38 results
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  • Nathaniel Comfort Lab

    Lab Website

    Research in the Nathaniel Comfort Lab looks at the history of biology. Areas of particular interest include heredity and health in 20th century America, genetics, molecular biology, biomedicine, the history of recent science, oral history and interviewing.

    Research Areas: biomedicine, history of biology, genomics, history of medicine, molecular biology
  • O'Connor Lab

    Lab Website
    Principal Investigator:
    Daniel O'Connor, M.A., Ph.D.
    Neuroscience

    How do brain dynamics give rise to our sensory experience of the world? The O'Connor lab works to answer this question by taking advantage of the fact that key architectural features of the mammalian brain are similar across species. This allows us to leverage the power of mouse genetics to monitor and manipulate genetically and functionally defined brain circuits during perception. We train mice to perform simple perceptual tasks. By using quantitative behavior, optogenetic and chemical-genetic gain- and loss-of-function perturbations, in vivo two-photon imaging, and electrophysiology, we assemble a description of the relationship between neural circuit function and perception. We work in the mouse tactile system to capitalize on an accessible mammalian circuit with a precise mapping between the sensory periphery and multiple brain areas. Our mission is to reveal the neural circuit foundations of sensory perception; to provide a framework to understand how circuit dysfunction causes ...mental and behavioral aspects of neuropsychiatric illness; and to help others fulfill creative potential and contribute to human knowledge. view more

    Research Areas: brain, mental illness, neuroscience, perception
  • Rasika Mathias Lab

    Principal Investigator:
    Rasika Mathias, Sc.D.
    Medicine

    Research in the Rasika Mathias Lab focuses on the genetics of asthma in people of African ancestry. Our work led to the first genomewide association study of its kind in 2009. Currently, we are analyzing the whole-genome sequence of more than 1,000 people of African ancestry from the Consortium on Asthma among African-ancestry Populations in the Americas (CAAPA). CAAPA’s goal is to use whole-genome sequencing to expand our understanding of how genetic variants affect asthma risk in populations of African ancestry and to provide a public catalog of genetic variation for the scientific community. We’re also involved in the study of coronary artery disease though the GeneSTAR Program, which aims to identify mechanisms of atherogenic vascular diseases and attendant comorbidities.

    Research Areas: heart disease, African Americans, asthma, genomics, health disparities
  • Retrovirus Laboratory

    Principal Investigator:
    Janice Clements, Ph.D.
    Molecular and Comparative Pathobiology

    Research in the Retrovirus Laboratory focuses on the molecular virology and pathogenesis of lentivirus infections. In particular, we study the simian immunodeficiency virus (SIV) to determine the molecular basis for the development of HIV CNS, pulmonary and cardiac disease.

    Research projects include studies of viral molecular genetics and host cell genes and proteins involved in the pathogenesis of disease. We are also interested in studies of lentivirus replication in macrophages and astrocytes and their role in the development of disease. These studies have led us to identify the viral genes that are important in neurovirulence of SIV and the development of CNS disease including NEF and the TM portion of ENV. The mechanisms of the action of these proteins in the CNS are complex and are under investigation. We have also developed a rapid, consistent SIV/macaque model in which we can test the ability of various antiviral and neuroprotective agents to reduce the severity of CNS and ...pulmonary disease. view more

    Research Areas: HIV, genomics, pulmonology, SIV, cardiology, lentivirus
  • Ruth Faden Lab

    Principal Investigator:
    Ruth Faden, Ph.D.
    Medicine

    Research in the Ruth Faden Lab focuses on biomedical ethics and health policy. Our specific areas of interest include justice theory; national and global challenges in learning health care systems, health-system design and priority setting; access global investments benefits in biomedical research; and ethical challenges in biomedical science and women’s health.

    Research Areas: genetics, biomedical engineering, health care policy, women's health, bioethics
  • Ryuya Fukunaga Lab

    The Fukunaga Lab uses multidisciplinary approaches to understand the cell biology, biogenesis and function of small silencing RNAs from the atomic to the organismal level.

    The lab studies how small silencing RNAs, including microRNAs (miRNAs), small interfering RNAs (siRNAs) and piwi-interacting RNAs (piRNAs), are produced and how they function. Mutations in the small RNA genes or in the genes involved in the RNA pathways cause many diseases, including cancers. We use a combination of biochemistry, biophysics, fly genetics, cell culture, X-ray crystallography and next-generation sequencing to answer fundamental biological questions and also potentially lead to therapeutic applications to human diseases.

    Research Areas: biophysics, biochemistry, cell biology, cell culture, genomics, RNA
  • Saraswati Sukumar Lab

    Lab Website
    Principal Investigator:
    Saraswati Sukumar, Ph.D.
    Oncology

    Our lab is focused on using comprehensive gene expression, methylation and sequencing and metabolomics analysis to identify alterations in breast cancer, and exploiting these for early detection and therapy. Among deferentially expressed genes, our lab has focused on the HOX genes. HOX genes are intimately involved in the development of resistance to both chemotherapy and to agents targeting the estrogen receptor. Our work explores the alternate pathways that are activated by HOX proteins leading to this resistance and novel treatments to overcome resistance in both tissue culture and xenograft models. In addition, epigenetically silenced genes and a metabolic reprogramming in tumors also trigger novel early detection and therapeutic strategies. We are testing the utility of differentiation therapy through reactivating RAR-beta in breast cancer using histone deacetylase inhibitors with great success. Also, we are targeting enzymes involved in gluconeogenesis and glycolysis with small ...molecule FDA-approved antimetabolites to achieve antitumor effects. view more

    Research Areas: breast cancer, genetics
  • Shanthini Sockanathan Laboratory

    Lab Website

    The Shanthini Sockanathan Laboratory uses the developing spinal cord as our major paradigm to define the mechanisms that maintain an undifferentiated progenitor state and the molecular pathways that trigger their differentiation into neurons and glia. The major focus of the lab is the study of a new family of six-transmembrane proteins (6-TM GDEs) that play key roles in regulating neuronal and glial differentiation in the spinal cord. We recently discovered that the 6-TM GDEs release GPI-anchored proteins from the cell surface through cleavage of the GPI-anchor. This discovery identifies 6-TM GDEs as the first vertebrate membrane bound GPI-cleaving enzymes that work at the cell surface to regulate GPI-anchored protein function. Current work in the lab involves defining how the 6-TM GDEs regulate cellular signaling events that control neuronal and glial differentiation and function, with a major focus on how GDE dysfunction relates to the onset and progression of disease. To solve the...se questions, we use an integrated approach that includes in vivo models, imaging, molecular biology, biochemistry, developmental biology, genetics and behavior. view more

    Research Areas: glia, biochemistry, neurons, imaging, developmental biology, genomics, spinal cord, behavior, molecular biology
  • Shyam Sundar Biswal Lab

    Principal Investigator:
    Shyam Biswal, Ph.D.
    Medicine

    xResearch in the Shyam Biswal Lab focuses on therapeutic resistance of cancer due to a gain-of-function mutation in transcription factor Nrf2. Using patient-derived xenografts in humanized immunocompetent mice and GEM models, we aim to understand the mechanisms of oncogenic cooperation and metabolic adaptation in cancer cells. We’re also investigating the systemic and pulmonary effects of air pollution as well as the health effects of recent tobacco products, such as electronic cigarettes and water pipes.

    Research Areas: Nrf2, tobacco use, genetics, cancer, pulmonary medicine, environment, lung cancer
  • Srinivasan Yegnasubramanian Lab

    Lab Website

    Dr. Yegnasubramanian directs a Laboratory of Cancer Molecular Genetics and Epigenetics at the Sidney Kimmel Comprehensive Cancer Center (SKCCC), and is also the Director of the SKCCC Next Generation Sequencing Center.


    Our lab research is focused on understanding the complex interplay between genetic and epigenetic alterations in carcinogenesis and disease progression, and to exploit this understanding in developing novel biomarkers for diagnosis and risk stratification as well as in identifying targets for therapeutic intervention.

    Research Areas: cancer therapies, biomarkers, genetics, cancer, epigenetics
  • Tamara O'Connor Lab

    The O'Connor Lab studies the molecular basis of infectious disease using Legionella pneumophila pathogenesis as a model system.

    We are looking at the network of molecular interactions acting at the host-pathogen interface. Specifically, we use L. pneumophila pathogenesis to examine the numerous mechanisms by which an intracellular bacterial pathogen can establish infection, how it exploits host cell machinery to accomplish this, and how individual proteins and their component pathways coordinately contribute to disease.

    We are also studying the role of environmental hosts in the evolution of human pathogens. Using genetics and functional genomics, we compare and contrast the repertoires of virulence proteins required for growth in a broad assortment of hosts, how the network of molecular interactions differs between hosts, and the mechanisms by which L. pneumophila copes with this variation.

    Research Areas: infectious disease, Legionella pneumophila, genomics, pathogenesis, molecular biology
  • The Arking Lab

    Principal Investigator:
    Dan Arking, Ph.D.
    Medicine

    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

    Research Areas: autism, genetics, aging, cardiovascular diseases, sudden cardiac death
  • 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.

    Research Areas: cognition, brain disorders, schizophrenia, mental illness, fMRI, pharmacogenomics, neuroimaging
  • The Hillel Lab

    Lab Website

    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 Areas: complex airway disorders, laryngotracheal stenosis
  • The Howard and Georgeanna Seegar Jones Reproductive Endocrinology Lab

    Lab Website

    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.

    Research Areas: uterine fibroids, endometriosis, genetics, infertility, polycystic ovarian syndrome, ovarian cancer
  • William B. Isaacs Laboratory

    Lab Website
    Principal Investigator:
    William Isaacs, Ph.D.
    Urology

    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

    Research Areas: cell biology, prostate cancer, molecular genetics
  • Zack Wang Lab

    Principal Investigator:
    Zack Wang, Ph.D.
    Medicine

    The Wang lab focuses on the signals that direct the differentiation of pluripotent stem cells, such as induced-pluripotent stem (iPS) cells, into hematopoietic and cardiovascular cells. Pluripotent stem cells hold great potential for regenerative medicine. Defining the molecular links between differentiation outcomes will provide important information for designing rational methods of stem cell manipulation.

    Research Areas: pluripotent stem cells, stem cells, molecular genetics, stem cell biology, gene therapy
  • Zhaozhu Qiu Laboratory

    Lab Website
    Principal Investigator:
    Zhaozhu Qiu, Ph.D.
    Neuroscience
    Physiology

    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.

    Research Areas: ion channel, neurological disease, electrophysiology, functional genomics, sensory neuroscience
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