44 results found
    1. Biochemistry and Chemical Biology

    Structural mechanisms for VMAT2 inhibition by tetrabenazine

    Michael P Dalton, Mary Hongying Cheng ... Jonathan A Coleman
    The structure of the vesicular monoamine transporter 2 bound to Huntington’s chorea drug tetrabenazine elucidates mechanisms of inhibition and neurotransmitter transport.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The vacuolar-ATPase complex and assembly factors, TMEM199 and CCDC115, control HIF1α prolyl hydroxylation by regulating cellular iron levels

    Anna L Miles, Stephen P Burr ... James A Nathan
    An unbiased genome-wide human forward genetic screen identifies the vacuolar ATPase complex and assembly factors as regulators of HIF stability through their actions on intracellular iron metabolism.
    1. Cell Biology
    2. Developmental Biology

    Mother-daughter asymmetry of pH underlies aging and rejuvenation in yeast

    Kiersten A Henderson, Adam L Hughes, Daniel E Gottschling
    Protons are pumped out of mother cells by a protein that accumulates over time and this leads to cellular aging, but this protein is largely absent from daughter cells, which mediates rejuvenation.
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    1. Neuroscience

    Conditional deletion of neurexins dysregulates neurotransmission from dopamine neurons

    Charles Ducrot, Gregory de Carvalho ... Louis-Eric Trudeau
    A combination of electrophysiological, electrochemical, and anatomical experiments sheds new light on how the complex neurotransmitter repertoire of dopaminergic neurons in the brain is regulated by proteins of the neurexin family.
    1. Genetics and Genomics

    Reprogramming of translation in yeast cells impaired for ribosome recycling favors short, efficiently translated mRNAs

    Swati Gaikwad, Fardin Ghobakhlou ... Alan G Hinnebusch
    A mutant impaired for ribosome recycling exhibits translational reprogramming wherein strong mRNAs outcompete weak mRNAs, also observed when preinitiation complexes are diminished by eIF2α phosphorylation or 40S ribosomal subunit depletion.
    1. Neuroscience

    Midbrain dopamine neurons sustain inhibitory transmission using plasma membrane uptake of GABA, not synthesis

    Nicolas X Tritsch, Won-Jong Oh ... Bernardo L Sabatini
    The molecular mechanisms by which midbrain dopamine neurons acquire the inhibitory neurotransmitter GABA for synaptic release are revealed.
    1. Neuroscience

    Dopaminergic regulation of vestibulo-cerebellar circuits through unipolar brush cells

    Jose Ernesto Canton-Josh, Joanna Qin ... Yevgenia Kozorovitskiy
    For cerebellar unipolar brush cells that regulate information flow to the vestibulo-cerebellum, dopaminergic modulation by locus coeruleus axons presents a new example of monoaminergic co-release poised to regulate the activity of the cerebellar cortex.
    1. Neuroscience

    Evoked transients of pH-sensitive fluorescent false neurotransmitter reveal dopamine hot spots in the globus pallidus

    Jozsef Meszaros, Timothy Cheung ... David Sulzer
    Dopamine release within the mouse external globus pallidus, an area of very sparse innervation, is observed and described for the first time through a new technique: flashing false fluorescent neurotransmitters.
    1. Neuroscience

    Therapeutic effects of anodal transcranial direct current stimulation in a rat model of ADHD

    Da Hee Jung, Sung Min Ahn ... Byung Tae Choi
    High-definition anodal transcranial stimulation alleviated cognitive deficits, affected dopaminergic neurotransmission factors, increased expression of several neurotrophic factors involving brain-derived neurotrophic factor (BDNF), and activated hippocampal neurogenesis.
    1. Neuroscience

    Localization, proteomics, and metabolite profiling reveal a putative vesicular transporter for UDP-glucose

    Cheng Qian, Zhaofa Wu ... Yulong Li
    Identification of novel vesicular transporters will shed light on to expanding the chemical diversity of neurotransmitters or neuromodulators.

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