411 results found
    1. Structural Biology and Molecular Biophysics

    Intracellular antibody signalling is regulated by phosphorylation of the Fc receptor TRIM21

    Claire Dickson, Adam J Fletcher ... Leo C James
    Phosphorylation deactivates TRIM21 B Box autoinhibition to licence proinflammatory signalling by cytosolic antibodies.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Mechanism of B-box 2 domain-mediated higher-order assembly of the retroviral restriction factor TRIM5α

    Jonathan M Wagner, Marcin D Roganowicz ... Owen Pornillos
    Higher-order assembly enables and links pathogen recognition and downstream steps in the TRIM5-mediated anti-HIV response.
    1. Immunology and Inflammation
    2. Microbiology and Infectious Disease

    Primate TRIM5 proteins form hexagonal nets on HIV-1 capsids

    Yen-Li Li, Viswanathan Chandrasekaran ... Wesley I Sundquist
    To protect mammals against retroviral infections, TRIM5 restriction factors recognize viral capsids by forming complementary hexagonal nets that can adapt to the patterns of capsid protein subunits on the viral capsid surface.
    1. Evolutionary Biology
    2. Microbiology and Infectious Disease

    Mutational resilience of antiviral restriction favors primate TRIM5α in host-virus evolutionary arms races

    Jeannette L Tenthorey, Candice Young ... Harmit S Malik
    Mutations in the TRIM5α retrovirus-binding interface frequently improve but rarely disrupt retroviral restriction.
    1. Chromosomes and Gene Expression

    The transcriptional cofactor TRIM33 prevents apoptosis in B lymphoblastic leukemia by deactivating a single enhancer

    Eric Wang, Shinpei Kawaoka ... Christopher R Vakoc
    TRIM33 performs an essential function in B cell acute lymphoblastic leukemia through an association with a single cis element.
    1. Microbiology and Infectious Disease

    Rare missense variants in the human cytosolic antibody receptor preserve antiviral function

    Jingwei Zeng, Greg Slodkowicz, Leo C James
    Studying the impact of natural variation on a key immune gene highlights how focusing on a single wild-type sequence overlooks that rare variants cause the most disease.
    1. Cell Biology
    2. Neuroscience

    Upregulated expression of ubiquitin ligase TRIM21 promotes PKM2 nuclear translocation and astrocyte activation in experimental autoimmune encephalomyelitis

    Luting Yang, Chunqing Hu ... Yaping Yan
    Cell biology and animal model analysis in mice shows that molecules involved in glycolytic metabolism could potentially serve as therapeutic targets for the treatment of neurological diseases.
    1. Cancer Biology

    PITAR, a DNA damage-inducible cancer/testis long noncoding RNA, inactivates p53 by binding and stabilizing TRIM28 mRNA

    Samarjit Jana, Mainak Mondal ... Kumaravel Somasundaram
    PITAR interaction with TRIM28 mRNA, which encodes a p53 targeting E3 ubiquitin ligase, keeps p53 levels low for cancer cells to divide and attenuates the DNA damage response by p53.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Repressing Ago2 mRNA translation by Trim71 maintains pluripotency through inhibiting let-7 microRNAs

    Qiuying Liu, Xiaoli Chen ... Wenqian Hu
    Repressing the conserved pro-differentiation let-7 microRNAs through limiting Ago2 levels is critical to maintaining pluripotency in stem cells.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    The E3 ubiquitin ligase TRIM23 regulates adipocyte differentiation via stabilization of the adipogenic activator PPARγ

    Masashi Watanabe, Hidehisa Takahashi ... Shigetsugu Hatakeyama
    TRIM23 plays a critical role in the switching from early to late adipogenic enhanceosomes by stabilizing the PPARγ protein.

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