893 results found
    1. Neuroscience

    Memory-specific encoding activities of the ventral tegmental area dopamine and GABA neurons

    Vasileios Glykos, Shigeyoshi Fujisawa
    Dopamine and GABA neurons in the ventral tegmental area encode short-term memory in the T-maze task, which cannot be explained by reward-related processes, motivated behavior, or motor-related activities.
    1. Neuroscience

    Transcriptomic atlas of midbrain dopamine neurons uncovers differential vulnerability in a Parkinsonism lesion model

    Behzad Yaghmaeian Salmani, Laura Lahti ... Thomas Perlmann
    Single nuclei RNA sequencing unmasks 16 variants of midbrain dopamine neurons within a continuum of their gene expression landscape and resolves their differential vulnerability.
    1. Neuroscience

    β2-subunit alternative splicing stabilizes Cav2.3 Ca2+ channel activity during continuous midbrain dopamine neuron-like activity

    Anita Siller, Nadja T Hofer ... Jörg Striessnig
    Regulation of Cav2.3 Ca2+ channels by membrane-bound β2 subunit splice variants permits long-lasting channel activity even during prolonged and continuous activity in dopamine neurons, with implications for Parkinson's disease pathophysiology.
    1. Neuroscience

    Subcellular proteomics of dopamine neurons in the mouse brain

    Benjamin D Hobson, Se Joon Choi ... Peter A Sims
    APEX2 proximity labeling of genetically targeted neurons enables subcellular and cell type-specific proteomics in the mouse brain, revealing the axonal and somatodendritic proteomes of midbrain dopaminergic neurons.
    1. Neuroscience

    Emergence of visually-evoked reward expectation signals in dopamine neurons via the superior colliculus in V1 lesioned monkeys

    Norihiro Takakuwa, Rikako Kato ... Tadashi Isa
    The subcortical visual pathway through the midbrain superior colliculus is responsible for visually evoked Pavlovian conditioning and dopamine neuron responses with predicted value in monkeys, which remained after lesioning V1.
    1. Neuroscience

    Synaptic enrichment and dynamic regulation of the two opposing dopamine receptors within the same neurons

    Shun Hiramatsu, Kokoro Saito ... Hiromu Tanimoto
    The opposing dopamine receptors Dop1R1 and Dop2R are both enriched around the pre- and postsynaptic sites of different types of neurons, including dopaminergic neurons, in the fly brain.
    1. Neuroscience

    Dopamine neuron morphology and output are differentially controlled by mTORC1 and mTORC2

    Polina Kosillo, Kamran M Ahmed ... Helen S Bateup
    Chronic inhibition of mTORC1 signaling strongly affects the morphology, physiology and output of dopamine neurons leading to impaired dopaminergic function in mice.
    1. Neuroscience

    Midbrain dopamine neurons signal aversion in a reward-context-dependent manner

    Hideyuki Matsumoto, Ju Tian ... Mitsuko Watabe-Uchida
    Dopamine neurons signal value prediction errors (VPEs) integrating information about both reward and aversion, in low reward contexts, whereas VPEs in some dopamine neurons are distorted in high reward contexts.
    1. Neuroscience

    Dopamine neurons learn relative chosen value from probabilistic rewards

    Armin Lak, William R Stauffer, Wolfram Schultz
    When learning the reward probability of novel cues, dopamine neurons convey dissociable value and novelty signals.
    1. Genetics and Genomics
    2. Neuroscience

    A zebrafish screen reveals Renin-angiotensin system inhibitors as neuroprotective via mitochondrial restoration in dopamine neurons

    Gha-Hyun J Kim, Han Mo ... Su Guo
    In vivo dopamine neuron imaging-based neuroprotective small molecule screen in larval zebrafish and mechanistic investigation using conditional CRISPR knockout and cell-type-specific RNA-seq analysis, coupled with cross-species analyses including human clinical data interrogation, uncover potential disease-modifying therapeutics for Parkinson's disease (PD).

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