Jiang Chun, Wang Peng, Tan ZhenWei, Zhang Yin
Department of Orthopedics, The People's Hospital of SND, Suzhou, Jiangsu, 215129, China.
Department of Spine Surgery, Shengli Oilfield Central Hospital, Dongying, Shandong, 257000, China.
Open Life Sci. 2024 Aug 16;19(1):20220908. doi: 10.1515/biol-2022-0908. eCollection 2024.
Recent scientific investigations have revealed the intricate mechanisms underlying bone formation, emphasizing the essential role of long non-coding RNAs (lncRNAs) as critical regulators. This process, essential for skeletal strength and functionality, involves the transformation of mesenchymal stem cells into osteoblasts and subsequent deposition of bone matrix. lncRNAs, including HOX transcript antisense RNA (HOTAIR), metastasis-associated lung adenocarcinoma transcript 1 (MALAT1), differentiation antagonizing non-coding RNA (DANCR), and maternally expressed gene 3 (MEG3), have emerged as prominent players in this regulatory network. HOTAIR modulates osteoblast differentiation by interacting with chromatin-modifying enzymes, while MALAT1 regulates osteogenic differentiation through microRNA interactions. DANCR collaborates with Runx2 to fine-tune osteoblast differentiation, and MEG3 orchestrates multiple signaling pathways crucial for bone formation. Moreover, other lncRNAs such as H19, lncRNA for enhancing osteogenesis 3, rhabdomyosarcoma 2-associated transcript, urothelial cancer associated 1, taurine up-regulated gene 1, and nuclear enriched abundant transcript 1 contribute to the complex regulatory network governing osteoblast activities. Understanding the precise roles of these lncRNAs offers promising avenues for developing innovative therapeutic strategies targeting bone-related disorders like osteoporosis. Overall, this review summarizes the pivotal role of lncRNAs in bone formation, highlighting their potential as targets for future research endeavors aimed at advancing therapeutic interventions in bone diseases.
近期的科学研究揭示了骨形成背后的复杂机制,强调了长链非编码RNA(lncRNAs)作为关键调节因子的重要作用。这一过程对于骨骼强度和功能至关重要,涉及间充质干细胞向成骨细胞的转变以及随后骨基质的沉积。包括HOX转录本反义RNA(HOTAIR)、转移相关肺腺癌转录本1(MALAT1)、分化拮抗非编码RNA(DANCR)和母源表达基因3(MEG3)在内的lncRNAs已成为这一调控网络中的重要参与者。HOTAIR通过与染色质修饰酶相互作用来调节成骨细胞分化,而MALAT1则通过与微小RNA相互作用来调节成骨分化。DANCR与Runx2协同作用以微调成骨细胞分化,MEG3则协调对骨形成至关重要的多种信号通路。此外,其他lncRNAs,如H19、增强成骨作用的lncRNA 3、横纹肌肉瘤2相关转录本、尿路上皮癌相关1、牛磺酸上调基因1和核富集丰富转录本1,也参与了调控成骨细胞活动的复杂网络。了解这些lncRNAs的确切作用为开发针对骨质疏松症等骨相关疾病的创新治疗策略提供了有前景的途径。总的来说,这篇综述总结了lncRNAs在骨形成中的关键作用,突出了它们作为未来研究靶点的潜力,旨在推进骨疾病的治疗干预。
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