RRBP1,全称为Ribosome-binding protein 1,是一种在多种生物学过程中发挥重要作用的蛋白质。RRBP1参与调控RNA的稳定性和功能,影响基因表达和生物学过程。RRBP1在多种疾病中发挥重要作用,包括肿瘤、炎症性疾病和慢性阻塞性肺病等。
RRBP1与肿瘤的发生和发展密切相关。研究发现,在膀胱尿路上皮癌(BLCA)中,RRBP1的表达水平与肿瘤的恶性程度和化疗耐药性相关。RRBP1基因体区的DNA低甲基化导致RRBP1高表达,进而促进肿瘤的恶性程度和化疗耐药性[1]。此外,在口腔鳞状细胞癌(OSCC)中,RRBP1通过调节Hippo通路中的YAP1蛋白表达,导致对顺铂的耐药性[4]。在卵巢癌中,RRBP1的表达水平与临床特征和预后相关,高表达的RRBP1预示着更差的生存率[5]。这些研究表明,RRBP1可能是肿瘤治疗的重要靶点。
RRBP1还与炎症性疾病相关。研究发现,在炎症性肌成纤维细胞瘤(IMT)中,RRBP1与ALK基因融合形成RRBP1-ALK融合基因,导致ALK蛋白的活化,进而促进肿瘤的发生和发展[2]。此外,在阿尔茨海默病(AD)中,RRBP1的表达水平与微胶质细胞对Aβ蛋白的反应相关[3]。这些研究表明,RRBP1在炎症性疾病的发生和发展中也发挥重要作用。
RRBP1还与慢性阻塞性肺病(COPD)相关。研究发现,在维吾尔族人群中,RRBP1基因的rs11960位点的多态性与COPD的易感性相关[6]。这表明,RRBP1可能在COPD的发生和发展中发挥重要作用。
RRBP1的研究有助于深入理解RNA表观遗传修饰的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. Luo, Hao-Lun, Liu, Hui-Ying, Chang, Yin-Lun, Huang, Chun-Chieh, Peng, Jei-Ming. 2021. Hypomethylated RRBP1 Potentiates Tumor Malignancy and Chemoresistance in Upper Tract Urothelial Carcinoma. In International journal of molecular sciences, 22, . doi:10.3390/ijms22168761. https://pubmed.ncbi.nlm.nih.gov/34445467/
2. Lee, Jen-Chieh, Li, Chien-Feng, Huang, Hsuan-Ying, Hornick, Jason L, Fletcher, Jonathan A. 2016. ALK oncoproteins in atypical inflammatory myofibroblastic tumours: novel RRBP1-ALK fusions in epithelioid inflammatory myofibroblastic sarcoma. In The Journal of pathology, 241, 316-323. doi:10.1002/path.4836. https://pubmed.ncbi.nlm.nih.gov/27874193/
3. Sierksma, Annerieke, Lu, Ashley, Mancuso, Renzo, De Strooper, Bart, Fiers, Mark. 2020. Novel Alzheimer risk genes determine the microglia response to amyloid-β but not to TAU pathology. In EMBO molecular medicine, 12, e10606. doi:10.15252/emmm.201910606. https://pubmed.ncbi.nlm.nih.gov/31951107/
4. Shriwas, Omprakash, Arya, Rakesh, Mohanty, Sibasish, Nanda, Ranjan K, Dash, Rupesh. 2021. RRBP1 rewires cisplatin resistance in oral squamous cell carcinoma by regulating Hippo pathway. In British journal of cancer, 124, 2004-2016. doi:10.1038/s41416-021-01336-7. https://pubmed.ncbi.nlm.nih.gov/33762722/
5. Ma, Jing, Ren, Sujing, Ding, Jing, Ma, Rong, Meng, Fanling. 2019. Expression of RRBP1 in epithelial ovarian cancer and its clinical significance. In Bioscience reports, 39, . doi:10.1042/BSR20190656. https://pubmed.ncbi.nlm.nih.gov/31285390/
6. Tang, Lifeng, Zhong, Xuemei, Gong, Hui, Yilamujiang, Subinuer, Li, Li. 2022. Analysis of the association of ANO3/MUC15, COL4A4, RRBP1, and KLK1 polymorphisms with COPD susceptibility in the Kashi population. In BMC pulmonary medicine, 22, 178. doi:10.1186/s12890-022-01975-3. https://pubmed.ncbi.nlm.nih.gov/35513865/