220 results found
    1. Medicine

    SIRT2 inhibition protects against cardiac hypertrophy and ischemic injury

    Xiaoyan Yang, Hsiang-Chun Chang ... Hossein Ardehali
    SIRT2 has detrimental effects in the heart and plays a role in cardiac response to injury and the progression of cardiac hypertrophy, and targeting SIRT2 may provide a novel avenue for the treatment of cardiac hypertrophy and ischemic disease.
    1. Biochemistry and Chemical Biology

    Identification of ‘erasers’ for lysine crotonylated histone marks using a chemical proteomics approach

    Xiucong Bao, Yi Wang ... Xiang David Li
    Sirt3 functions as decrotonylase to regulate histone crotonylation dynamics.
    1. Biochemistry and Chemical Biology

    Synergy between SIRT1 and SIRT6 helps recognize DNA breaks and potentiates the DNA damage response and repair in humans and mice

    Fanbiao Meng, Minxian Qian ... Baohua Liu
    SIRT1 deacetylates SIRT6 at K33 to facilitate DNA double-strand breaks-recognition, subsequent expansion and local chromatin remodeling.
    1. Cell Biology

    SIRT6 is a DNA double-strand break sensor

    Lior Onn, Miguel Portillo ... Debra Toiber
    Hundreds of proteins are involved in the DNA damage response but only three sensors for DSB were known but now SIRT6 is identified as a fourth DSB sensor.
    1. Microbiology and Infectious Disease
    2. Plant Biology

    The decrotonylase FoSir5 facilitates mitochondrial metabolic state switching in conidial germination of Fusarium oxysporum

    Ning Zhang, Limin Song ... Wenxing Liang
    The decrotonylase FoSir5 modulates ATP synthesis that supports conidial germination in Fusarium oxysporum through coordinated lysine decrotonylation in different organelles.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    SIRT2 and lysine fatty acylation regulate the transforming activity of K-Ras4a

    Hui Jing, Xiaoyu Zhang ... Hening Lin
    A new post-translational regulatory mechanism of K-Ras is identified, which expands the function of reversible protein lysine fatty acylation and offers new possibility to target the K-Ras oncoprotein.
    1. Biochemistry and Chemical Biology
    2. Medicine

    The hepatic AMPK-TET1-SIRT1 axis regulates glucose homeostasis

    Chunbo Zhang, Tianyu Zhong ... Jianing Zhong
    A series of experiments at the molecular level reveal the underlying mechanism of how a gene activates liver glucose production to regulate the blood glucose metabolism in mice.
    1. Cancer Biology

    Vitamin D induces SIRT1 activation through K610 deacetylation in colon cancer

    José Manuel García-Martínez, Ana Chocarro-Calvo ... Custodia García-Jiménez
    Vitamin D bound to its receptor interacts with SIRT1 to induce its auto deacetylation and catalytic activity, which drives anti-proliferative effects in colorrectal cancer and this may lead to new therapeutic approaches for colorrectal and perhaps other cancers.
    1. Cell Biology

    SIRT2 deacetylase regulates the activity of GSK3 isoforms independent of inhibitory phosphorylation

    Mohsen Sarikhani, Sneha Mishra ... Nagalingam R Sundaresan
    Mass spectroscopy, molecular modeling and/or molecular dynamics simulations reveal how acetylation regulates the activity of GSK3 isoforms independent of inhibitory phosphorylation.

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