IGFBP3,即胰岛素样生长因子结合蛋白3,是一种在多种生物学过程中发挥重要作用的蛋白。IGFBP3在细胞生长、分化、代谢以及疾病发生等方面扮演着关键角色。它能够结合胰岛素样生长因子(IGFs),从而影响IGFs的活性,进而影响细胞生长、分化以及代谢等生物学过程。
IGFBP3基因的表达和功能与多种疾病的发生和发展密切相关。例如,在腰椎间盘退变中,IGFBP3基因的表达水平升高,其可能通过抑制ERK/MAPK信号通路,影响细胞的增殖、凋亡、自噬和衰老,从而参与腰椎间盘退变的发生和发展[1]。此外,IGFBP3基因的表达还与结直肠癌的发生和发展密切相关,其启动子区域的甲基化状态可能与结直肠癌患者的淋巴结转移和生存期相关[2]。
IGFBP3基因的表达和功能还与个体的生长和发育密切相关。例如,在宫内发育迟缓的儿童中,IGFBP3基因的某些多态性可能会影响其转录活性,进而影响个体的出生长度和身高[3]。此外,IGFBP3基因的表达还与心脏纤维化的发生和发展密切相关,其可能通过RNA表观遗传修饰,影响心脏成纤维细胞的激活和增殖,从而参与心脏纤维化的发生和发展[4]。
IGFBP3基因的表达和功能还与糖尿病的发生和发展密切相关。例如,IGFBP3基因的表达可能与胰腺β细胞的稳态相关,其可能与糖尿病的发生和发展相关[5]。此外,IGFBP3基因的多态性还可能影响前列腺癌的发病风险,其可能通过影响IGFBP3的血清水平,从而影响前列腺癌的发病风险[6]。
综上所述,IGFBP3基因在多种生物学过程中发挥重要作用,其与多种疾病的发生和发展密切相关。IGFBP3基因的表达和功能可能受到多种因素的调控,包括基因多态性、表观遗传修饰等。IGFBP3基因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. Chen, Gang, Zhou, Xiaopeng, Xu, Zhengkuan. 2018. Effects of IGFBP3 gene silencing mediated inhibition of ERK/MAPK signaling pathway on proliferation, apoptosis, autophagy, and cell senescence in rats nucleus pulposus cells. In Journal of cellular physiology, 234, 9308-9315. doi:10.1002/jcp.27613. https://pubmed.ncbi.nlm.nih.gov/30370550/
2. Eom, Su Yeon, Kim, Moon-Moo. 2024. The effect of IGFBP3 gene knockout by the CRISPR/Cas9 system on the IGF-1 pathway in murine cells. In Archives of gerontology and geriatrics, 125, 105484. doi:10.1016/j.archger.2024.105484. https://pubmed.ncbi.nlm.nih.gov/38838451/
3. Kumar, Alok, Singh, Pradyumn, Pandey, Anshuman, Gosipatala, Sunil Babu. 2020. IGFBP3 gene promoter methylation analysis and its association with clinicopathological characteristics of colorectal carcinoma. In Molecular biology reports, 47, 6919-6927. doi:10.1007/s11033-020-05747-2. https://pubmed.ncbi.nlm.nih.gov/32929656/
4. Faienza, M F, Marzano, F, Ventura, A M, Cavallo, L, Tullo, A. 2011. Regulation of IGFBP3 gene expression in short children born small for gestational age. In Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society, 21, 349-55. doi:10.1016/j.ghir.2011.09.003. https://pubmed.ncbi.nlm.nih.gov/22001433/
5. Ding, Ji-Fei, Sun, He, Song, Kai, Xu, Sheng-Song, Tao, Hui. 2023. IGFBP3 epigenetic promotion induced by METTL3 boosts cardiac fibroblast activation and fibrosis. In European journal of pharmacology, 942, 175494. doi:10.1016/j.ejphar.2023.175494. https://pubmed.ncbi.nlm.nih.gov/36657656/
6. D'Addio, Francesca, Maestroni, Anna, Assi, Emma, Zuccotti, Gianvincenzo, Fiorina, Paolo. 2022. The IGFBP3/TMEM219 pathway regulates beta cell homeostasis. In Nature communications, 13, 684. doi:10.1038/s41467-022-28360-2. https://pubmed.ncbi.nlm.nih.gov/35115561/