Hsdl2,即人类羟基类固醇脱氢酶样2(Human hydroxysteroid dehydrogenase-like 2),是一种在脂质代谢中发挥重要作用的酶。它参与催化多种底物的氧化还原反应,并调节多种代谢和信号通路。Hsdl2的表达与多种癌症的发生和发展密切相关,如胆管癌、甲状腺癌、膀胱癌、结直肠癌和乳腺癌等。Hsdl2在癌症中的作用机制复杂多样,涉及细胞增殖、凋亡、细胞周期、侵袭和转移等多个方面。
在胆管癌中,Hsdl2的表达水平较低,其下调会抑制铁死亡,通过P53/SLC7A11轴促进胆管癌的进展[1]。在甲状腺癌中,Hsdl2的表达水平较高,其下调可以抑制甲状腺癌细胞的增殖和促进凋亡[2]。在膀胱癌中,Hsdl2的表达水平也较高,其下调可以抑制膀胱癌细胞的增殖和促进凋亡[4]。在结直肠癌中,Hsdl2的表达水平较高,其下调可以抑制结直肠癌细胞的增殖和促进凋亡[6]。在乳腺癌中,Hsdl2的表达水平也较高,其下调可以抑制乳腺癌细胞的增殖和促进凋亡[5]。
此外,Hsdl2还与癫痫的发生和发展相关。在颞叶癫痫中,Hsdl2的表达水平较高,其下调可以抑制癫痫的发生和发展[3]。Hsdl2的表达水平与癫痫的严重程度呈正相关,可以作为癫痫的诊断和预后指标。
综上所述,Hsdl2是一种重要的脂质代谢调节因子,在多种疾病的发生和发展中发挥重要作用。Hsdl2的研究有助于深入理解脂质代谢与疾病的关系,为疾病的治疗和预防提供新的思路和策略。
参考文献:
1. Ma, Shuoshuo, Ma, Yang, Qi, Feiyu, Lu, Zheng, Zhang, Dengyong. 2023. HSDL2 knockdown promotes the progression of cholangiocarcinoma by inhibiting ferroptosis through the P53/SLC7A11 axis. In World journal of surgical oncology, 21, 293. doi:10.1186/s12957-023-03176-6. https://pubmed.ncbi.nlm.nih.gov/37718459/
2. Zeng, Jing, Ma, Xiao, Wang, Jinjing, Li, Zhiyuan, Fang, Yi. 2019. Down-regulated HSDL2 expression suppresses cell proliferation and promotes apoptosis in papillary thyroid carcinoma. In Bioscience reports, 39, . doi:10.1042/BSR20190425. https://pubmed.ncbi.nlm.nih.gov/31101684/
3. Yang, Xiaxin, Zhang, Jianhang, Wang, Zhihao, Zhao, Xiuhe, Xu, Shuo. 2024. Mitochondria-related HSDL2 is a potential biomarker in temporal lobe epilepsy by modulating astrocytic lipid metabolism. In Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics, 21, e00447. doi:10.1016/j.neurot.2024.e00447. https://pubmed.ncbi.nlm.nih.gov/39245623/
4. Jia, Ling-Hua, Hu, Mei-Di, Liu, Yuan, Wang, Jin-Gen, Li, Qiu-Gen. 2019. HSDL2 Promotes Bladder Cancer Growth In Vitro and In Vivo. In International journal of medical sciences, 16, 654-659. doi:10.7150/ijms.31288. https://pubmed.ncbi.nlm.nih.gov/31217732/
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