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Displaying 1 to 10 of 11 results for Parkinson's disease

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  • Bakker Memory Lab

    Research in the Bakker Memory Laboratory is focused on understanding the mechanisms and brain networks underlying human cognition with a specific focus on the mechanisms underlying learning and memory and the changes in memory that occur with aging and disease. We use a variety of techniques including neuropsychological assessments, experimental behavioral assessments and particularly advanced neuroimaging methods to study these questions in young and older adults and patients with mild cognitive impairment, Alzheimer’s disease, Parkinson’s disease and epilepsy.

    Through our collaborations with investigators in both basic science and clinical departments, including the departments of Psychiatry and Behavioral Sciences, Psychological and Brain Sciences, Neurology and Public Health, our research also focuses on brain systems involved in spatial navigation and decision-making as well as cognitive impairment in neuropsychiatric conditions such as schizophrenia, eating disorders, obsessiv...e-compulsive disorders, depression and anxiety. view more

    Research Areas: epilepsy, depression, Parkinson's disease, Alzheimer's disease

  • Bioenergetics Core

    Mitochondrial dysfunction has long been a consistent observation in Parkinson's disease. To understand the consequences of Parkinson's disease causing genetic mutations on the function of mitochondria, the Bioenergetics Core B will provide the following analyses to the projects in the Udall Center at Johns Hopkins: (1) Measuring rates of respiration, oxygen consumption and ATP generation, (2) Measuring calcium dynamics, (3) Measuring reactive oxygen and reactive nitrogen species, (4) Measuring the activity of the electron transport chain enzymes and metabolic enzymes, and (5) Measuring plasma versus mitochondrial membrane potential and mitochondrial membrane permeability

    Research Areas: enzymes, cell biology, bioenergetics, respiration, Parkinson's disease, mitochondria, neurology

    Lab Website

    Principal Investigator

    Valina Dawson, Ph.D.

    Department

    Neurology

  • Christopher A. Ross Lab

    Dr. Ross and his research team have focused on Huntington's disease and Parkinson's disease, and now are using insights from these disorders to approach more complex diseases such as schizophrenia and bipolar disorder. They use biophysical and biochemical techniques, cell models, and transgenic mouse models to understand disease processes, and to provide targets for development of rational therapeutics. These then can provide a basis for developing small molecule interventions, which can be used both as probes to study biology, and if they have favorable drug-like properties, for potential therapeutic development. We have used two strategies for identifying lead compounds. The first is the traditional path of identification of specific molecular targets, such as enzymes like the LRRK2 kinase of Parkinson’s disease. Once structure is known, computational approaches or fragment based lead discovery, in collaboration, can be used. The second is to conduct phenotypic screens using ce...ll models, or in a collaboration, natural products in a yeast model. Once a lead compound is identified, we use cell models for initial tests of compounds, then generate analogs, and take compounds that look promising to preclinical therapeutic studies in animal models. The ultimate goal is to develop therapeutic strategies that can be brought to human clinical trials, and we have pioneered in developing biomarkers and genetic testing for developing strategies. view more

    Research Areas: psychiatric disorders

  • Cohen Lab

    The Cohen Lab studies neural circuits underlying reward, mood and decision making. We seek to understand how neural circuits control fundamental mammalian behaviors. Many disorders, including depression, schizophrenia, drug addiction and Parkinson's disease, appear to involve dysfunction of monoaminergic signaling. Using cell-type-specific tools and well-controlled behavioral tasks in mice, we aim to understand the function of monoaminergic circuits in behavior. We hope these basic discoveries will lead to an understanding of the biology of the brain and better treatments for disorders of the brain.

    Research Areas: neural circuits, brain, schizophrenia, mental illness, neuroscience, Parkinson's disease

    Lab Website

    Principal Investigator

    Jeremiah Cohen, Ph.D.

    Department

    Neuroscience

  • Neuromodulation and Advanced Therapies Center

    We investigate the brain networks and neurotransmitters involved in symptoms of movement disorders, such as Parkinson's disease, and the mechanisms by which modulating these networks through electrical stimulation affects these symptoms. We are particularly interested in the mechanisms through which neuromodulation therapies like deep brain stimulation affect non-motor brain functions, such as cognitive function and mood. We use imaging of specific neurotransmitters, such as acetylcholine and dopamine, to understand the changes in brain chemistry associated with the clinical effects of deep brain stimulation and to predict which patients are likely to have changes in non-motor symptoms following DBS. Through collaborations with our neurosurgery colleagues, we explore brain function by making recordings during DBS surgery during motor and non-motor tasks. Dr. Mills collaborates with researchers in the Department of Neurosurgery, the Division of Geriatric and Neuropsychiatry in the Depar...tment of Psychiatry and Behavioral Sciences and in the Division of Nuclear Medicine within the Department of Radiology to translate neuroimaging and neurophysiology findings into clinical applications. view more

    Research Areas: Molecular imaging of effects of deep brain stimulation on cognitive function in Parkinson's disease, Trajectories and types of cognitive impairment in Parkinson's disease, Effects of neuromodulation on impulsivity and addiction-related behaviors, Parkinson's disease, Effects of transcranial direct current stimulation on mood disorders and cognitive dysfunction in Parkinson's disease, Relationship between patient-reported and objective cognitive impairments in Parkinson's disease

    Principal Investigator

    Kelly Mills, M.D., M.H.S.

    Department

    Neurology
    Neurosurgery

  • Psychiatric Neuroimaging

    Psychiatric Neuroimaging (PNI) is active in neuropsychiatric research using imaging methods such as MRI, fMRI, PET and DTI to understand the mechanisms and brain networks underlying human cognition. PNI faculty have published hundreds of papers on a variety of brain disorders which include but are not limited to Alzheimer's disease, Parkinson's disease, bipolar disorder, and eating disorders. Faculty in the division have been awarded numerous peer-reviewed grants by the National Institutes of Health, foundations and other funding organizations.

    Research Areas: brain disorders

  • Solomon Snyder Laboratory

    Information processing in the brain reflects communication among neurons via neurotransmitters. The Solomon Snyder Laboratory studies diverse signaling systems including those of neurotransmitters and second messengers as well as the actions of drugs upon these processes. We are interested in atypical neurotransmitters such as nitric oxide (NO), carbon monoxide (CO), and the D-isomers of certain amino acids, specifically D-serine and D-aspartate. Our discoveries are leading to a better understanding of how certain drugs for Parkinson's disease and Hungtington's disease interact with cells and proteins. Understanding how other second messengers work is giving us insight into anti-cancer therapies.

    Research Areas: Huntington's disease, amino acids, neurotransmitters, brain, cancer, nitric oxide, drugs, carbon monoxide, Parkinson's disease, nervous system

  • Ted Dawson Laboratory

    The Ted Dawson Laboratory uses genetic, cell biological and biochemical approaches to explore the pathogenesis of Parkinson's disease (PD) and other neurologic disorders. We also investigate several discrete mechanisms involved in cell death, including the role of nitric oxide as an endogenous messenger, the function of poly (ADP-ribose) polymerase-1 and apoptosis inducing factor in cell death, and how endogenous cell survival mechanisms protect neurons from death.

    Research Areas: nitric oxide, neuronal signaling, genomics, pathogenesis, Parkinson's disease, cell death

    Lab Website

    Principal Investigator

    Ted Dawson, M.D., Ph.D.

    Department

    Neurology

  • Translational Neurobiology Laboratory

    The goals of the Translational neurobiology Laboratory are to understand the pathogenesis and cell death pathways in neurodegenerative disorders to reveal potential therapeutic targets for pharmaceutical intervention; to investigate endogenous survival pathways and try to induce these pathways to restore full function or replace lost neurons; and to identify biomarkers to mark disease function or replace lost neurons; and to identify biomarkers to mark disease progression and evaluate therapeutics. Our research projects focus on models of Huntington's disease and Parkinson's disease. We use a combination of cell biology and transgenic animal models of these diseases.

    Research Areas: Huntington's disease, neurodegenerative disorders, neurobiology, cell biology, Parkinson's disease

  • Udall Center for Parkinson's Disease Research

    More than ten years ago, Congress created the Morris K. Udall Centers of Excellence for Parkinson's Disease Research (Udall Centers). The primary goal of the Udall Centers is to develop new clinical treatments for Parkinson's disease. However, it is well recognized that because there is so much that we do not yet understand about the causes of Parkinson's disease, basic science is currently a key component of the overall effort to develop clinical treatments. One of the goals of the Udall Centers is to have an infrastructure in place that can efficiently facilitate a rapid translation from research to clinical when promising breakthroughs occur. Recently the Udall Center has made significant steps towards understanding the underlying mechanisms that cause Parkinson's disease and have yielded promising targets for developing treatments against the disease.

    Research Areas: movement disorders

    Lab Website

    Principal Investigator

    Ted Dawson, M.D., Ph.D.

    Department

    Neurology

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