HOXB7,也称为Homeobox B7,是一种重要的家域蛋白基因。家域蛋白是一类在细胞分化和发育过程中发挥重要作用的转录因子,它们通过结合DNA序列来调节基因表达。HOXB7属于HOX基因家族,该家族基因在胚胎发育和器官形成中起着关键作用。HOXB7基因的表达主要在胚胎发育早期阶段,但在某些癌症中,其表达水平会发生改变。
多项研究表明,HOXB7在多种癌症中发挥重要作用。例如,在乳腺癌中,HOXB7的表达与患者的不良预后相关[1]。此外,HOXB7还与乳腺癌细胞对Tamoxifen的抗药性相关,抑制HOXB7的表达可以提高Tamoxifen的疗效[2]。在头颈鳞状细胞癌中,HOXB7的表达也与患者的不良预后相关,其过表达与肿瘤的侵袭性增加和生存率降低相关[3]。在消化系统恶性肿瘤中,HOXB7的高表达也与患者的不良预后相关,其表达水平与肿瘤的侵袭性、淋巴结状态、远处转移和TNM分期相关[4]。在肺癌中,HOXB7的过表达与肿瘤的恶性进展相关,其表达水平与肿瘤的干性特征增加相关[5]。在肝癌中,HOXB7的过表达也与患者的不良预后相关,其表达水平与肿瘤的生长和转移相关[6]。在食管鳞状细胞癌中,HOXB7的表达与顺铂耐药性相关,抑制HOXB7的表达可以提高顺铂的敏感性[7]。在乳腺癌中,HOXB7的过表达与患者的预后不良相关,其表达水平与肿瘤的转移相关[8]。
综上所述,HOXB7在多种癌症中发挥重要作用,其表达水平的改变与肿瘤的发生、发展和预后相关。HOXB7可以作为潜在的生物标志物和治疗方法,为癌症的诊断和治疗提供新的思路和策略。然而,对于HOXB7在癌症发生和发展中的作用机制还需要进一步研究。
参考文献:
1. Errico, Maria Cristina, Jin, Kideok, Sukumar, Saraswati, Carè, Alessandra. 2016. The Widening Sphere of Influence of HOXB7 in Solid Tumors. In Cancer research, 76, 2857-62. doi:10.1158/0008-5472.CAN-15-3444. https://pubmed.ncbi.nlm.nih.gov/27197229/
2. Valle, Ana Beatriz Caribé Dos Santos, da Silva, Fábio Fernando Alves, Carneiro, Maria Ângela Pepe, Moya, Sergio Enrique, Pittella, Frederico. 2024. In Vivo HOXB7 Gene Silencing and Cotreatment with Tamoxifen for Luminal A Breast Cancer Therapy. In Pharmaceuticals (Basel, Switzerland), 17, . doi:10.3390/ph17101325. https://pubmed.ncbi.nlm.nih.gov/39458966/
3. Wu, Xiang, Li, Jin, Yan, Tingyuan, Yang, Jianrong, Li, Zhongwu. 2021. HOXB7 acts as an oncogenic biomarker in head and neck squamous cell carcinoma. In Cancer cell international, 21, 393. doi:10.1186/s12935-021-02093-6. https://pubmed.ncbi.nlm.nih.gov/34303375/
4. Liu, Fang-Teng, Chen, Han-Min, Xiong, Ying, Zhu, Zheng-Ming. 2017. Deregulated HOXB7 expression predicts poor prognosis of patients with malignancies of digestive system. In Minerva chirurgica, 74, 422-430. doi:10.23736/S0026-4733.17.07325-4. https://pubmed.ncbi.nlm.nih.gov/28749115/
5. Monterisi, Simona, Lo Riso, Pietro, Russo, Karin, Di Fiore, Pier Paolo, Bianchi, Fabrizio. 2018. HOXB7 overexpression in lung cancer is a hallmark of acquired stem-like phenotype. In Oncogene, 37, 3575-3588. doi:10.1038/s41388-018-0229-9. https://pubmed.ncbi.nlm.nih.gov/29576613/
6. Huan, Hong-Bo, Yang, Da-Peng, Wen, Xu-Dong, Bie, Ping, Xia, Feng. 2017. HOXB7 accelerates the malignant progression of hepatocellular carcinoma by promoting stemness and epithelial-mesenchymal transition. In Journal of experimental & clinical cancer research : CR, 36, 86. doi:10.1186/s13046-017-0559-4. https://pubmed.ncbi.nlm.nih.gov/28646927/
7. Zhou, Ting, Fu, Hao, Dong, Bin, Yan, Wanpu, Shen, Luyan. 2019. HOXB7 mediates cisplatin resistance in esophageal squamous cell carcinoma through involvement of DNA damage repair. In Thoracic cancer, 11, 3071-3085. doi:10.1111/1759-7714.13142. https://pubmed.ncbi.nlm.nih.gov/31568655/
8. Azuma, Kazushi, Sakamoto, Mai, Katayama, Shota, Nakayama, Jun, Semba, Kentaro. 2023. HOXB7 induces STAT3-mediated transformation and lung metastasis in immortalized mammary gland NMuMG cells. In Genes to cells : devoted to molecular & cellular mechanisms, 28, 277-287. doi:10.1111/gtc.13009. https://pubmed.ncbi.nlm.nih.gov/36659836/