马铃, 温佳佳, 李晓宇, 魏涛, 岑山. HIV-1前体蛋白早成熟化小分子激活剂的筛选与评价J. 药学学报, 2021,56(6): 1627-1633. doi: 10.16438/j.0513-4870.2021-0311
引用本文: 马铃, 温佳佳, 李晓宇, 魏涛, 岑山. HIV-1前体蛋白早成熟化小分子激活剂的筛选与评价J. 药学学报, 2021,56(6): 1627-1633. doi: 10.16438/j.0513-4870.2021-0311
MA Ling, WEN Jia-jia, LI Xiao-yu, WEI Tao, CEN Shan. Screening and evaluation of small molecule activators for premature activation of HIV-1 precursorsJ. Acta Pharmaceutica Sinica, 2021,56(6): 1627-1633. doi: 10.16438/j.0513-4870.2021-0311
Citation: MA Ling, WEN Jia-jia, LI Xiao-yu, WEI Tao, CEN Shan. Screening and evaluation of small molecule activators for premature activation of HIV-1 precursorsJ. Acta Pharmaceutica Sinica, 2021,56(6): 1627-1633. doi: 10.16438/j.0513-4870.2021-0311

HIV-1前体蛋白早成熟化小分子激活剂的筛选与评价

Screening and evaluation of small molecule activators for premature activation of HIV-1 precursors

  • 摘要: 人免疫缺陷病毒1(human immunodeficiency virus type 1,HIV-1)蛋白酶活性的严格调控对于病毒的生存至关重要。在病毒蛋白表达及病毒颗粒装配过程中,处于病毒前体蛋白Gag-Pol中的蛋白酶必须以无活性状态存在,避免前体蛋白Gag-Pol和Gag被提前酶切加工(前体蛋白早成熟化)。干扰HIV-1蛋白酶活性的调控机制,特异性激活前体蛋白中的蛋白酶,诱导前体蛋白早成熟化,就可直接抑制病毒复制。根据这一设想,利用前期已建立的细胞水平HIV-1前体蛋白早成熟化激活剂筛选模型,对3 500个化合物进行筛选与评价,得到6个活性化合物具有激活作用,并具有一定的抗病毒活性,同时在一定程度上诱导了HIV-1感染细胞的凋亡。本研究为抗病毒药物的研发提供了思路。

     

    Abstract: Strict regulation of human immunodeficiency virus type 1 (HIV-1) protease function is critical for efficient production of mature viral particles. During viral protein expression and viral assembly, HIV-1 protease (PR) located within Gag-Pol precursor must be inactive to prevent premature cytoplasmic processing of the viral Gag and Gag-Pol precursors. Premature activation of HIV-1 precursors leads to major defects in viral assembly and production of viral particles. Specifically activating the protease in the precursor protein can directly inhibit the replication of the virus. In addition, HIV-1 PR is able to induce cell apoptosis. In this study, we identified 6 small molecule compounds using a cell-based assay for screening compounds that activate HIV-1 PR and induce premature of HIV-1 precursors. Results showed the active compounds are able to activate HIV-1 PR, inhibit HIV-1 replication, and induce cell apoptosis. This study provides ideas for the research and development of antiviral drugs.

     

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