374 results found
    1. Biochemistry and Chemical Biology
    2. Cancer Biology

    S6K1 phosphorylates Cdk1 and MSH6 to regulate DNA repair

    Adi Amar-Schwartz, Vered Ben Hur ... Rotem Karni
    Unbiased proteomics and molecular analysis revealed a new role for S6K1 in regulating DNA repair through the orchestrated phosphorylation of CDK1 and MSH6. The findings may explain why RPS6KB1 gene amplification contributed to breast cancer drug resistance.
    1. Plant Biology

    Phosphoprotein SAK1 is a regulator of acclimation to singlet oxygen in Chlamydomonas reinhardtii

    Setsuko Wakao, Brian L Chin ... Krishna K Niyogi
    SAK1, a novel cytoplasmic phosphoprotein, is a key intermediate component of the retrograde signaling pathway controlling nuclear gene expression during acclimation of Chlamydomonas cells to singlet oxygen stress.
    1. Neuroscience

    The cell adhesion molecule Sdk1 shapes assembly of a retinal circuit that detects localized edges

    Pierre-Luc Rochon, Catherine Theriault ... Arjun Krishnaswamy
    A novel retinal ganglion cell requires a cell adhesion molecule to grow its dendrites, collect synaptic inputs, and become selective to edges placed in its receptive field.
    1. Cancer Biology
    2. Cell Biology

    mTORC1/S6K1 signaling promotes sustained oncogenic translation through modulating CRL3IBTK-mediated ubiquitination of eIF4A1 in cancer cells

    Dongyue Jiao, Huiru Sun ... Kun Gao
    Overexpression of inhibitor of Bruton's tyrosine kinase contributes to the process of tumorigenesis by amplifying translation, represents a promising target for anti-cancer therapies.
    1. Biochemistry and Chemical Biology

    LARP1 functions as a molecular switch for mTORC1-mediated translation of an essential class of mRNAs

    Sungki Hong, Mallory A Freeberg ... Ken Inoki
    LARP1 turns off and on the translation of an essential class of mRNAs by acting as a key effecter and regulator for mTORC1.
    1. Neuroscience

    UBE3A-mediated p18/LAMTOR1 ubiquitination and degradation regulate mTORC1 activity and synaptic plasticity

    Jiandong Sun, Yan Liu ... Xiaoning Bi
    A new mechanism linking lysosomes to mTOR regulation and synaptic plasticity involves p18 ubiquitination by Ube3a, and underlies some of the pathology observed in Angelman syndrome.
    1. Neuroscience

    mTORC1 is necessary but mTORC2 and GSK3β are inhibitory for AKT3-induced axon regeneration in the central nervous system

    Linqing Miao, Liu Yang ... Yang Hu
    The kinase AKT acts as a nodal point that coordinates both positive and negative cues to regulate the regeneration of central nervous system axons in adult mice.
    1. Cancer Biology
    2. Cell Biology

    GPCR signaling inhibits mTORC1 via PKA phosphorylation of Raptor

    Jenna L Jewell, Vivian Fu ... Kun-Liang Guan
    Protein kinase A (PKA) phosphorylates Raptor and inhibits mammalian target of rapamycin complex 1 (mTORC1) activity.
    1. Cell Biology

    A critical role for mTORC1 in erythropoiesis and anemia

    Zachary A Knight, Sarah F Schmidt ... Jeffrey M Friedman
    Transcription profiling of activated cells using Phospho-Trap, a new method for identifying activated cells, reveals a critical role for mTOR signaling in red blood cell development and the pathogenesis of anemia
    1. Cell Biology
    2. Computational and Systems Biology

    Continuous sensing of nutrients and growth factors by the mTORC1-TFEB axis

    Breanne Sparta, Nont Kosaisawe ... John G Albeck
    Single-cell data on cell signaling responses to nutrient variation enable quantitative models of cellular control over protein synthesis, formalizing the concept of mTOR as a homeostatic controller of cellular metabolism.

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