ABCD3,也称为ATP结合盒亚家族D成员3,是一种属于ATP结合盒(ABC)转运蛋白超家族的基因。ABCD3编码的蛋白质在细胞内转运过程中发挥着重要作用,主要参与细胞内物质的转运和代谢过程[1,2]。作为一种跨膜蛋白,ABCD3在多种细胞功能中发挥着重要作用,包括维持细胞内环境的稳定、调节细胞生长和分化等[3,4]。
ABCD3基因突变与多种疾病相关。例如,在Oculopharyngodistal肌病(OPDM)患者中,研究发现ABCD3基因中的CCG重复扩增与该疾病的发生密切相关[5]。此外,ABCD3基因的异常表达还与胶质瘤的预后和免疫浸润相关[6]。在结直肠癌中,ABCD3的异常表达也被认为是独立的预后因素[7]。这些研究表明,ABCD3基因在多种疾病的发生和发展中发挥着重要作用,其表达水平的改变可能与疾病的诊断、治疗和预后评估相关。
在胰腺β细胞和肝细胞中,HNF4A和HNF1A转录因子对ABCD3的表达具有组织特异性调节作用[8]。这些转录因子通过结合并调控ABCD3的启动子区域,影响其表达水平。此外,ABCD3还与PPARα受体相互作用,参与细胞的脂肪代谢过程[9]。
综上所述,ABCD3基因在细胞内物质转运、细胞生长和分化等方面发挥着重要作用。ABCD3基因的突变和异常表达与多种疾病的发生和发展密切相关,包括OPDM、胶质瘤、结直肠癌等。深入研究ABCD3基因的功能和调控机制,有助于揭示这些疾病的发病机制,为疾病的治疗和预防提供新的思路和策略。
参考文献:
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2. Cortese, Andrea, Beecroft, Sarah J, Facchini, Stefano, Bugiardini, Enrico, Ravenscroft, Gianina. 2024. A CCG expansion in ABCD3 causes oculopharyngodistal myopathy in individuals of European ancestry. In Nature communications, 15, 6327. doi:10.1038/s41467-024-49950-2. https://pubmed.ncbi.nlm.nih.gov/39068203/
3. Li, Jinchuan, Zhang, Yi, Qu, Zhizhao, Ding, Rui, Yin, Xiaofeng. 2022. ABCD3 is a prognostic biomarker for glioma and associated with immune infiltration: A study based on oncolysis of gliomas. In Frontiers in cellular and infection microbiology, 12, 956801. doi:10.3389/fcimb.2022.956801. https://pubmed.ncbi.nlm.nih.gov/35959373/
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5. Zhang, Yujiao, Zhang, Yaqi, Wang, Jiping, Yang, Jiyuan, Yang, Guodong. 2020. Abnormal expression of ABCD3 is an independent prognostic factor for colorectal cancer. In Oncology letters, 19, 3567-3577. doi:10.3892/ol.2020.11463. https://pubmed.ncbi.nlm.nih.gov/32269631/
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