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Displaying 21 to 30 of 42 results for molecular biology

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  • Laboratory of Richard L. Huganir

    The Laboratory of Richard L. Huganir is interested in the mechanisms that regulate synaptic transmission and synaptic plasticity. Our general approach is to study molecular and cellular mechanisms that regulate neurotransmitter receptors and synapse function. We are currently focusing our efforts on the mechanisms that underlie the regulation of the glutamate receptors, the major excitatory neurotransmitter receptors in the brain.

    Research Areas: synapses, neurotransmitters, cell biology, brain, molecular biology

    Lab Website

    Principal Investigator

    Richard Huganir, Ph.D.

    Department

    Neuroscience

  • Michael Wolfgang Laboratory

    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 Areas: metabolic biochemistry, obesity, diabetes, genomics, neurology, nervous system, molecular biology

    Principal Investigator

    Michael J. Wolfgang, Ph.D.

    Department

    Biological Chemistry

  • Mikhail Pletnikov Laboratory

    The Mikhail Pletnikov Laboratory is interested in the neurobiology of neurodevelopmental diseases such as schizophrenia and autism. The major focus of our laboratory is to evaluate how adverse environmental factors and vulnerable genes interact to affect brain and behavior development. We address these experimental questions by using methods of cell and molecular biology, neuroimmunology, neurochemistry, psychopharmacology and developmental psychobiology. The current projects in our laboratory are: (1) Genetic risk factors in neuron-astrocyte interaction during neurodevelopment, (2) Gene-environment interplay in the pathogenesis of psychiatric conditions, and (3) The neuroimmune interactions in abnormal neurodevelopment

    Research Areas: autism, immunology, neurobiology, cell biology, neurodevelopment, developmental psychobiology, schizophrenia, pharmacology, chemistry, molecular biology

  • Molecular Mechanisms of Cellular Mechanosensing (Robinson Lab)

    The Robinson Lab studies the way in which mechanical stress guide and direct the behavior of cells, including when they are part of tissues, organs and organ systems.

    Research Areas: cellular mechanosensing, tissues, organs, molecular biology

  • Nathaniel Comfort Lab

    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

  • Nicholas Zachos Lab

    Researchers in the Nicholas Zachos Lab work to understand variations in protein trafficking that occur during pathophysiological conditions that cause ion and water transport that result in diarrhea. We recently identified a clathrin-independent endocytic pathway responsible for elevated intracellular calcium-mediated inhibition of NHE3 activity in intestinal epithelial cells. We use advanced imaging techniques, including confocal and multi-photon microscopy, to characterize protein trafficking of intestinal transporters. We also perform functional assays using fluorescent probes (ratiometric and non-ratiometric) to measure ion transport in cell culture models, intact intestinal tissues and human small intestinal enteroids.

    Research Areas: imaging, protein trafficking, diarrhea, bioinformatics, molecular biology

    Principal Investigator

    Nicholas Zachos, Ph.D.

    Department

    Medicine

  • O'Rourke Lab

    The O’Rourke Lab uses an integrated approach to study the biophysics and physiology of cardiac cells in normal and diseased states.

    Research in our lab has incorporated mitochondrial energetics, Ca2+ dynamics, and electrophysiology to provide tools for studying how defective function of one component of the cell can lead to catastrophic effects on whole cell and whole organ function. By understanding the links between Ca2+, electrical excitability and energy production, we hope to understand the cellular basis of cardiac arrhythmias, ischemia-reperfusion injury, and sudden death.

    We use state-of-the-art techniques, including single-channel and whole-cell patch clamp, microfluorimetry, conventional and two-photon fluorescence imaging, and molecular biology to study the structure and function of single proteins to the intact muscle. Experimental results are compared with simulations of computational models in order to understand the findings in the context of the system as a whole....

    Ongoing studies in our lab are focused on identifying the specific molecular targets modified by oxidative or ischemic stress and how they affect mitochondrial and whole heart function.

    The motivation for all of the work is to understand
    • how the molecular details of the heart cell work together to maintain function and
    • how the synchronization of the parts can go wrong

    Rational strategies can then be devised to correct dysfunction during the progression of disease through a comprehensive understanding of basic mechanisms.

    Brian O’Rourke, PhD, is a professor in the Division of Cardiology and Vice Chair of Basic and Translational Research, Department of Medicine, at the Johns Hopkins University.
    view more

    Research Areas: biophysics, ischemia-reperfusion injury, imaging, electrophysiology, cardiovascular, arrhythmia, physiology, sudden cardiac death, molecular biology, cardiac cells

    Lab Website

    Principal Investigator

    Brian O'Rourke, Ph.D.

    Department

    Medicine

  • Rong Li Lab

    Research in the Rong Li Lab aims to better understand the fundamental laws that regulate the behavior and interactions of cellular systems. Our team is currently examining how cells consolidate their damaged proteins and prevent them from spreading freely — work aimed at understanding how to better treat diseases such as Alzheimer’s and ALS. We are also applying insights gained through basic research to better understand diseases such as cancer and polycystic kidney disease.

    Research Areas: cell biology, ALS, kidney diseases, cancer, cellular dynamics, molecular biology, Alzheimer's disease

    Lab Website

    Principal Investigator

    Rong Li, M.S., Ph.D.

    Department

    Cell Biology

  • Sesaki Lab

    The Sesaki Lab is interested in the molecular mechanisms and physiological roles of mitochondrial fusion. Mitochondria are highly dynamic and control their morphology by a balance of fusion and fission. The regulation of membrane fusion and fission generates a striking diversity of mitochondrial shapes, ranging from numerous small spheres in hepatocytes to long branched tubules in myotubes. In addition to shape and number, mitochondrial fusion is critical for normal organelle function.

    Research Areas: brain, mitochondrial fusion, mitochondria, molecular biology

    Lab Website

    Principal Investigator

    Hiromi Sesaki, Ph.D.

    Department

    Cell Biology

  • Seydoux Lab

    The Seydoux Lab studies the earliest stages of embryogenesis to understand how single-celled eggs develop into complex multicellular embryos. We focus on the choice between soma and germline, one of the first developmental decisions faced by embryos. Our goal is to identify and characterize the molecular mechanisms that activate embryonic development, polarize embryos, and distinguish between somatic and germline cells, using Caenorhabditis elegans as a model system. Our research program is divided into three areas: oocyte-to-embryo transition, embryonic polarity and soma-germline dichotomy.

    Research Areas: cell biology, soma cells, genomics, germ cells, embryo, molecular biology

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