The Identification of APOBEC3G as a Potential Prognostic Biomarker in Acute Myeloid Leukemia and a Possible Drug Target for Crotonoside.

The Identification of APOBEC3G as a Potential Prognostic Biomarker in Acute Myeloid Leukemia and a Possible Drug Target for Crotonoside.
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鉴定 APOBEC3G 作为急性髓系白血病的潜在预后生物标志物和巴豆苷的可能药物靶点

DOI:
10.3390/molecules27185804
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发表时间:
2022-09-07
期刊:
Molecules (Basel, Switzerland)
影响因子:
--
通讯作者:
Xu R
Xu R
中科院分区:
其他
文献类型:
--
作者:
Ma C;Liu P;Cui S;Gao C;Tan X;Liu Z;Xu R

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载脂蛋白 B mRNA 编辑酶催化亚基 3G (APOBEC3G) 将 DNA/RNA 中的胞嘧啶转化为尿嘧啶。它在抵抗病毒入侵方面的作用已得到充分证明。然而,其在 AML 中的表达模式和潜在功能仍不清楚。在本研究中,我们进行了生物信息学分析,发现APOBEC3G的表达在AML中显着上调,并且APOBEC3G的高表达与较短的总生存期(OS)显着相关。 APOBEC3G 表达在非 M3AML 中尤其增加,并且与不利的细胞遗传学风险相关。此外,Cox回归分析表明APOBEC3G对于AML患者的OS来说是一个不可忽视的危险因素。在分子对接模拟中,发现天然产物巴豆苷与 APOBEC3G 具有良好的相互作用。 APOBEC3G在KG-1细胞中表达最高,巴豆苷处理可降低APOBEC3G的表达。巴豆苷在体外可抑制不同AML细胞的活力,使KG-1和MV-4-11细胞阻滞于细胞周期的S期并影响周期相关蛋白的表达,诱导细胞凋亡。因此,APOBEC3G可能是巴豆苷的潜在药物靶点,并且巴豆苷可以被认为是非M3 AML中抑制APOBEC3G的先导化合物。
The apolipoprotein B mRNA editing enzyme catalytic subunit 3G (APOBEC3G) converts cytosine to uracil in DNA/RNA. Its role in resisting viral invasion has been well documented. However, its expression pattern and potential function in AML remain unclear. In this study, we carried out a bioinformatics analysis and revealed that the expression of APOBEC3G was significantly upregulated in AML, and high expression of APOBEC3G was significantly associated with short overall survival (OS). APOBEC3G expression was especially increased in non-M3AML, and correlated with the unfavorable cytogenetic risks. Additionally, Cox regression analyses indicated APOBEC3G is a hazard factor that cannot be ignored for OS of AML patients. In molecular docking simulations, the natural product crotonoside was found to interact well with APOBEC3G. The expression of APOBEC3G is the highest in KG-1 cells, and the treatment with crotonoside can reduce the expression of APOBEC3G. Crotonoside can inhibit the viability of different AML cells in vitro, arrest KG-1 and MV-4-11 cells in the S phase of the cell cycle and affect the expression of cycle-related proteins, and induce cell apoptosis. Therefore, APOBEC3G could be a potential drug target of crotonoside, and crotonoside can be considered as a lead compound for APOBEC3G inhibition in non-M3 AML.
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