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    Home > Biochemistry News > Biotechnology News > Nature Communications: Novel mechanism of PD-L1 regulation by RNA-binding protein DENR

    Nature Communications: Novel mechanism of PD-L1 regulation by RNA-binding protein DENR

    • Last Update: 2022-05-16
    • Source: Internet
    • Author: User
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    On April 19, researcher Li Huabing's team from Shanghai Institute of Immunology, Shanghai Jiaotong University School of Medicine and Prof.


    Immunotherapy targeting PD1/PD-L1 has achieved remarkable results in the treatment of various tumors, creating a new era of tumor immunotherapy.


    The previous work of the research group has screened 700 RBPs through CRISPR/Cas9 technology, and identified that the m6A methyltransferase METTL3 positively regulates the expression of TNF-α and other inflammatory factors in macrophages to inhibit tumor growth 5


    In this study, the research team screened 1467 RBPs by CRISPR/Cas9 technology and found that knocking out the density-regulated translation reinitiation factor DENR could significantly reduce the expression of PD-L1 in various cells


    Figure 1.


    Dr.


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