Serpine1,也称为Serpin Peptidase Inhibitor 1,是一种重要的丝氨酸蛋白酶抑制剂。丝氨酸蛋白酶抑制剂是一类能够抑制丝氨酸蛋白酶活性的蛋白质,而丝氨酸蛋白酶在许多生物学过程中发挥着重要作用,包括细胞凋亡、凝血、炎症和肿瘤发生等。Serpine1通过与丝氨酸蛋白酶结合并形成稳定的复合物,从而抑制其活性,进而调节这些生物学过程。
在多种癌症中,Serpine1的表达和功能与肿瘤的发生和发展密切相关。例如,在胃癌中,Serpine1的表达与不良预后相关,并且可能通过调节细胞凋亡和免疫微环境来促进肿瘤的发生和发展[1]。此外,Serpine1在弥漫性低级别胶质瘤中也被发现是预后不良的标志物,并且与免疫细胞浸润和免疫检查点表达相关[3]。在结肠癌中,Serpine1的高表达与不良预后相关,并且与肿瘤的侵袭和转移相关[7]。
除了癌症,Serpine1在其他疾病中也发挥重要作用。例如,Serpine1的基因多态性与动脉夹层的发生和临床预后相关[4]。此外,Serpine1的表达和功能也与炎症性疾病如脓毒症相关,尽管一些研究表明Serpine1的基因多态性与脓毒症的易感性没有关联[6]。
Serpine1的生物学功能与其与其他蛋白质的相互作用密切相关。例如,Serpine1可以与组织型纤溶酶原激活物(tPA)结合,抑制其活性,从而影响凝血和血栓形成[2]。此外,Serpine1还可以与一些免疫调节因子相互作用,如PD1和PD-L1,从而影响免疫细胞的功能和肿瘤微环境[3,5]。
综上所述,Serpine1是一种重要的丝氨酸蛋白酶抑制剂,参与调节多种生物学过程,包括细胞凋亡、凝血、炎症和肿瘤发生等。Serpine1在多种疾病中发挥重要作用,包括癌症、动脉夹层和脓毒症等。Serpine1的研究有助于深入理解其生物学功能和疾病发生机制,为疾病的治疗和预防提供新的思路和策略。
参考文献:
1. Feng, Leiran, Li, Guixin, Li, Dongbin, Duan, Guoqiang, Liu, Jin. 2023. Cuproptosis-related gene SERPINE1 is a prognostic biomarker and correlated with immune infiltrates in gastric cancer. In Journal of cancer research and clinical oncology, 149, 10851-10865. doi:10.1007/s00432-023-04900-1. https://pubmed.ncbi.nlm.nih.gov/37318594/
2. Li, Lingqin, Li, Fan, Xu, Zhehao, Wang, Mingchao, Gao, Lei. 2023. Identification and validation of SERPINE1 as a prognostic and immunological biomarker in pan-cancer and in ccRCC. In Frontiers in pharmacology, 14, 1213891. doi:10.3389/fphar.2023.1213891. https://pubmed.ncbi.nlm.nih.gov/37680718/
3. Huang, Xiaoming, Zhang, Fenglin, He, Dong, Liu, Qian, Xin, Tao. 2021. Immune-Related Gene SERPINE1 Is a Novel Biomarker for Diffuse Lower-Grade Gliomas via Large-Scale Analysis. In Frontiers in oncology, 11, 646060. doi:10.3389/fonc.2021.646060. https://pubmed.ncbi.nlm.nih.gov/34094933/
4. Lin, Mingkuan, Griessenauer, Christoph J, Starke, Robert M, Mathru, Mali, Lipsky, Robert H. 2019. Haplotype analysis of SERPINE1 gene: Risk for aneurysmal subarachnoid hemorrhage and clinical outcomes. In Molecular genetics & genomic medicine, 7, e737. doi:10.1002/mgg3.737. https://pubmed.ncbi.nlm.nih.gov/31268630/
5. Zhai, Yiyan, Liu, Xinkui, Huang, Zhihong, You, Leiming, Wu, Jiarui. 2023. Data mining combines bioinformatics discover immunoinfiltration-related gene SERPINE1 as a biomarker for diagnosis and prognosis of stomach adenocarcinoma. In Scientific reports, 13, 1373. doi:10.1038/s41598-023-28234-7. https://pubmed.ncbi.nlm.nih.gov/36697459/
6. Shi, Chengfang, Sui, Zhifu, Li, Li, Yang, Rongya. . No Association of SERPINE1 -675 Polymorphism With Sepsis Susceptibility: A Meta-Analysis. In Medicine, 94, e1173. doi:10.1097/MD.0000000000001173. https://pubmed.ncbi.nlm.nih.gov/26559247/
7. Wang, Yigang, Wang, Jinyan, Gao, Jianchao, Ding, Mei, Li, Hua. 2023. The expression of SERPINE1 in colon cancer and its regulatory network and prognostic value. In BMC gastroenterology, 23, 33. doi:10.1186/s12876-022-02625-y. https://pubmed.ncbi.nlm.nih.gov/36755247/