5,374 results found
    1. Cell Biology
    2. Neuroscience

    FcγRIIb-SHIP2 axis links Aβ to tau pathology by disrupting phosphoinositide metabolism in Alzheimer's disease model

    Tae-In Kam et al.
    By binding to Fc gamma receptor IIb, amyloid beta induces a series of phosphorylation events that mediate the damaging effects of hyperphosphorylated tau proteins in Alzheimer's disease.
    1. Chromosomes and Gene Expression

    HIV Tat controls RNA Polymerase II and the epigenetic landscape to transcriptionally reprogram target immune cells

    Jonathan E Reeder et al.
    Tat uses unexpected regulatory mechanisms to reprogram target immune cells to promote viral replication and rewire pathways beneficial for HIV.
    1. Biochemistry and Chemical Biology
    2. Neuroscience

    Targeted degradation of aberrant tau in frontotemporal dementia patient-derived neuronal cell models

    M Catarina Silva et al.
    A new Cereblon-recruiting bifunctional tau ligand, QC-01-175, promotes aberrant tau degradation and rescue of stress vulnerability in human neuronal cell models of tauopathy.
    1. Structural Biology and Molecular Biophysics
    2. Chromosomes and Gene Expression

    AFF4 binding to Tat-P-TEFb indirectly stimulates TAR recognition of super elongation complexes at the HIV promoter

    Ursula Schulze-Gahmen et al.
    AFF4 increases the combined selectivity of HIV Tat and TAR for super elongation complexes 330-fold over P-TEFb alone.
    1. Computational and Systems Biology
    2. Neuroscience

    Narrow equilibrium window for complex coacervation of tau and RNA under cellular conditions

    Yanxian Lin et al.
    Liquid-liquid phase separation of tau is demonstrated to be an equilibrium state, stable only within a narrow range near physiological conditions, and thus has the capacity to regulate biological processes.
    1. Neuroscience

    Cortical tau deposition follows patterns of entorhinal functional connectivity in aging

    Jenna N Adams et al.
    Tau deposition in the aging brain follows patterns of functional connectivity that correspond to specific neural memory networks, and this relationship is strengthened in the presence of amyloid-β.
    1. Cell Biology
    2. Neuroscience

    Amphiphysin I cleavage by asparagine endopeptidase leads to tau hyperphosphorylation and synaptic dysfunction

    Xingyu Zhang et al.
    Amphiphysin I is identified as a new substrate of AEP, and the resultant fragment induces synaptic dysfunction and promotes tau hyperphosphorylation via activating CDK5 kinase.
    1. Neuroscience

    LTP and memory impairment caused by extracellular Aβ and Tau oligomers is APP-dependent

    Daniela Puzzo et al.
    Oligomeric Amyloid-β and Tau, two proteins involved in Alzheimer's disease pathogenesis, require Amyloid Precursor Protein to enter neurons and exert their detrimental effect on synaptic plasticity and memory.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Assembling the Tat protein translocase

    Felicity Alcock et al.
    Evolutionary bioinformatics and experimentation are applied to the components of the Tat protein transport system to elucidate the structure of the membrane-bound receptor complex and to deduce a molecular description for its substrate-triggered activation.
    1. Biochemistry and Chemical Biology

    Nicotinamide mononucleotide adenylyltransferase uses its NAD+ substrate-binding site to chaperone phosphorylated Tau

    Xiaojuan Ma et al.
    Mechanistic insight into the chaperone-like activity of NMNAT to phosphorylated Tau reveals a connection between NAD+metabolism and Tau homeostasis.

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