452 results found
    1. Neuroscience

    Mother brain is wired for social moments

    Ortal Shimon-Raz et al.
    Mother brain shows special sensitivity to social moments of mother-infant synchrony, compared to other caregiving experiences, through enhanced activation across the caregiving network, response to oxytocin administration, and temporal consistency.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Disease-related mutations in PI3Kγ disrupt regulatory C-terminal dynamics and reveal a path to selective inhibitors

    Manoj K Rathinaswamy et al.
    The c-terminus of PI3K plays a key role in regulating kinase activity, with c-terminal disease-linked mutations leading to either activation or inhibition, which reveal a path to specific inhibitors.
    1. Neuroscience

    Motor thalamus supports striatum-driven reinforcement

    Arnaud L Lalive et al.
    While the basal ganglia have long been thought to mediate learning through dopamine-dependent striatal plasticity, their regulation of motor thalamus plays an unexpected and critical role in reinforcement.
    1. Immunology and Inflammation

    Tumors attenuating the mitochondrial activity in T cells escape from PD-1 blockade therapy

    Alok Kumar et al.
    Downregulation of mitochondrial activity by immunosuppressive tumor-derived soluble factors leads to systemic unresponsiveness to the PD-1 blockade therapy.
    1. Chromosomes and Gene Expression
    2. Evolutionary Biology

    Intrinsic cooperativity potentiates parallel cis-regulatory evolution

    Trevor R Sorrells et al.
    Cooperativity between two transcription regulators occurs through protein-protein interactions with a general transcription factor complex and potentiates the parallel evolution of their DNA binding sites.
    1. Cell Biology
    2. Developmental Biology

    Reduced matrix rigidity promotes neonatal cardiomyocyte dedifferentiation, proliferation and clonal expansion

    Yfat Yahalom-Ronen et al.
    Compliant matrix provides a permissive micoenvironment for cardiomyocyte dedifferentiation, cell division and expansion, and thus may open a new avenue towards cardiac regeneration.
    1. Neuroscience

    Probing the functional impact of sub-retinal prosthesis

    Sébastien Roux et al.
    Existing artificial retinas produce distorted and imprecise activation of the visual system, but reverse engineering promises to refine the induced activation patterns.
    1. Cell Biology

    Adiponectin is essential for lipid homeostasis and survival under insulin deficiency and promotes β-cell regeneration

    Risheng Ye et al.
    Under insulinopenic conditions, the hormone adiponectin is essential for lipid uptake specifically in subcutaneous white adipose tissue, and is sufficient to ameliorate islet lipotoxicity.
    1. Neuroscience

    Additive effects on the energy barrier for synaptic vesicle fusion cause supralinear effects on the vesicle fusion rate

    Sebastiaan Schotten et al.
    Independent osmotic, genetic and biochemical perturbations modulate neurotransmitter release in a multiplicative manner.
    1. Medicine
    2. Neuroscience

    AAV-Txnip prolongs cone survival and vision in mouse models of retinitis pigmentosa

    Yunlu Xue et al.
    AAV-Txnip prolongs vision in mouse models of blindness, enhancing lactate catabolism, mitochondrial health, and ATP production in a condition that likely has a limited glucose supply.

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