6,173 results found
    1. Neuroscience

    Oxytocin functions as a spatiotemporal filter for excitatory synaptic inputs to VTA dopamine neurons

    Lei Xiao et al.
    Oxytocin, a peptide linked to the processing of socially meaningful stimuli, modulates excitatory synaptic transmission in dopaminergic neurons of ventral tegmental area via retrograde endocannabinoid signaling, acting as a pathway-specific temporal filter for synaptic inputs.
    1. Neuroscience

    VTA neurons coordinate with the hippocampal reactivation of spatial experience

    Stephen N Gomperts et al.
    During quiet wakefulness but not slow wave sleep, reward modulated VTA neurons coordinate selectively with hippocampal replay sequences and are biased in their timing towards the reactivated representation of reward locations.
    1. Neuroscience

    Intrinsic monitoring of learning success facilitates memory encoding via the activation of the SN/VTA-Hippocampal loop

    Pablo Ripollés et al.
    Self-motivated learning in the absence of external feedback can recruit the same brain network as reward-driven learning.
    1. Genetics and Genomics

    Neuronal TORC1 modulates longevity via AMPK and cell nonautonomous regulation of mitochondrial dynamics in C. elegans

    Yue Zhang et al.
    Modulating the nutrient sensor TORC1 only in neurons in C. elegans is sufficient to regulate systemic longevity via inter-tissue signals that remodel mitochondria networks in non neuronal cells.
    1. Neuroscience

    Risk of punishment influences discrete and coordinated encoding of reward-guided actions by prefrontal cortex and VTA neurons

    Junchol Park, Bita Moghaddam
    Risk of punishment during reward seeking behavior is associated with a functional "disconnection" of the PFC-VTA circuit due to a transient loss of VTA-driven theta oscillation.
    1. Biochemistry and Chemical Biology
    2. Chromosomes and Gene Expression

    Compensatory induction of MYC expression by sustained CDK9 inhibition via a BRD4-dependent mechanism

    Huasong Lu et al.
    A new potent and selective CDK9 inhibitor induces the expression of the proto-oncogene MYC via a mechanism that depends on the bromodomain protein BRD4.
    1. Cell Biology

    The nucleolar protein NIFK promotes cancer progression via CK1α/β-catenin in metastasis and Ki-67-dependent cell proliferation

    Tsung-Chieh Lin et al.
    NIFK promotes lung cancer metastasis via Runx1-dependent repression of CK1α, which activates TCF4/β-catenin signaling.
    1. Neuroscience

    Morphine disinhibits glutamatergic input to VTA dopamine neurons and promotes dopamine neuron excitation

    Ming Chen et al.
    Experiments examining the actions of morphine on single neurons from one of the brain's reward centers, the VTA, reveal the mechanism by which the drug exerts its hedonic effects.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    The DNA-binding protein HTa from Thermoplasma acidophilum is an archaeal histone analog

    Antoine Hocher et al.
    In Thermoplasma acidophilum, an archaeon without histones, a DNA-binding protein acquired from bacteria via horizontal gene transfer mediates histone-like chromatin architecture.
    1. Cell Biology
    2. Neuroscience

    Hypoxia-inducible factor cell non-autonomously regulates C. elegans stress responses and behavior via a nuclear receptor

    Corinne L Pender, H Robert Horvitz
    The hypoxia-inducible factor HIF drives transcription of the gene cyp-36A1, which encodes a cytochrome P450 enzyme that acts via a putative intercellular signal to regulate the nuclear receptor NHR-46 and consequently stress resistance and behavior.

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