MRTO4,也称为MRTO4 Homolog,Ribosome Maturation Factor,是一种在细胞中广泛表达的蛋白质。MRTO4主要在核糖体成熟过程中发挥作用,参与核糖体RNA(rRNA)的加工和核糖体的组装。核糖体是细胞中蛋白质合成的主要场所,因此MRTO4对于维持细胞的正常功能和生存至关重要。
在癌症研究中,MRTO4被发现与多种癌症的发生和发展有关。例如,在肝细胞癌(HCC)中,MRTO4的表达水平升高,并且与患者的预后不良相关[1]。研究显示,MRTO4通过抑制ALDOB(醛缩酶B)的表达,促进HCC细胞的糖酵解过程,从而加速肿瘤的进展[1]。此外,MRTO4还与HCC的免疫微环境有关,低表达MRTO4的HCC患者具有更好的免疫状态和更高的免疫浸润水平[2]。
除了在HCC中的研究,MRTO4在其他癌症类型中的表达和功能也受到关注。例如,在浸润性胃癌中,MRTO4的表达水平升高,并且与肿瘤的侵袭性和患者的预后不良相关[3]。在口腔黏膜鳞状细胞癌中,MRTO4的表达水平升高与患者的无病生存期和总生存期缩短相关[4]。
除了在癌症中的研究,MRTO4在心脏疾病中也发挥重要作用。例如,在过度运动诱导的心脏病理性肥大中,MRTO4的表达水平升高,并且与心脏纤维化、肌纤维降解和线粒体损伤等病理改变相关[5]。此外,MRTO4还与生殖系统的功能有关,例如在感染弓形虫的小鼠中,MRTO4的表达水平降低,并且与精子质量下降和生殖能力受损相关[6,7]。
综上所述,MRTO4是一种在多种生物学过程中发挥重要作用的蛋白质,包括癌症发生、心脏疾病和生殖系统功能。MRTO4的表达和功能改变与疾病的进展和预后不良相关,因此可能成为疾病诊断和治疗的潜在靶点。进一步研究MRTO4的生物学功能和作用机制,有助于深入理解疾病的发生和发展机制,为疾病的治疗和预防提供新的思路和策略。
参考文献:
1. Zheng, Yongyuan, Huang, Yansong, Li, Weibing, Cheng, Hongqiu. 2024. MRTO4 Enhances Glycolysis to Facilitate HCC Progression by Inhibiting ALDOB. In Medical science monitor : international medical journal of experimental and clinical research, 30, e944685. doi:10.12659/MSM.944685. https://pubmed.ncbi.nlm.nih.gov/38778508/
2. Liang, Baobao, Li, Lan, He, Chenyang, Wang, Meng, Mao, Guochao. 2024. MRTO4 acts as an independent prognostic and immunological biomarker and is correlated with tumor microenvironment in hepatocellular carcinoma. In Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas, 57, e13780. doi:10.1590/1414-431X2024e13780. https://pubmed.ncbi.nlm.nih.gov/39504066/
3. Zhang, Li-Hua, Zhuo, Hui-Qin, Hou, Jing-Jing, Cheng, Jia, Cai, Jian-Chun. . Proteomic signatures of infiltrative gastric cancer by proteomic and bioinformatic analysis. In World journal of gastrointestinal oncology, 14, 2097-2107. doi:10.4251/wjgo.v14.i11.2097. https://pubmed.ncbi.nlm.nih.gov/36438703/
4. Patel, Kinjal D, Vora, Hemangini H, Trivedi, Trupti I, Jetly, Dhaval H, Patel, Prabhudas S. 2020. Transcriptome profiling and pathway analysis in squamous cell carcinoma of buccal mucosa. In Experimental and molecular pathology, 113, 104378. doi:10.1016/j.yexmp.2020.104378. https://pubmed.ncbi.nlm.nih.gov/31930966/
5. Zhou, Zuoqiong, Zheng, Lan, Tang, Changfa, Wu, Xiushan, Zhu, Ping. 2020. Identification of Potentially Relevant Genes for Excessive Exercise-Induced Pathological Cardiac Hypertrophy in Zebrafish. In Frontiers in physiology, 11, 565307. doi:10.3389/fphys.2020.565307. https://pubmed.ncbi.nlm.nih.gov/33329019/
6. Li, Hang, Yang, Bing-Yi, Liu, Ming-Ming, Xuan, Xue-Nan, Jia, Li-Jun. 2021. Reproductive injury in male BALB/c mice infected with Neospora caninum. In Parasites & vectors, 14, 158. doi:10.1186/s13071-021-04664-y. https://pubmed.ncbi.nlm.nih.gov/33726783/
7. Huang, Di, Li, Jie, He, Li-Qun. . [Influence of Tripterygium wilfordii on the expression of spermiogenesis related genes Herc4, Ipo11 and Mrto4 in mice]. In Yi chuan = Hereditas, 31, 941-6. doi:. https://pubmed.ncbi.nlm.nih.gov/19819847/