Orthopedics and Traumatology Clinic, IRCCS Policlinico San Matteo Foundation, 27100 Pavia, Italy.
Department of Molecular Medicine, University of Pavia, 27100 Pavia, Italy.
Int J Mol Sci. 2023 Apr 12;24(8):7094. doi: 10.3390/ijms24087094.
Low-level laser therapy (LLLT) is a treatment that is increasingly used in orthopedics practices. In vivo and in vitro studies have shown that low-level laser therapy (LLLT) promotes angiogenesis, fracture healing and osteogenic differentiation of stem cells. However, the underlying mechanisms during bone formation remain largely unknown. Factors such as wavelength, energy density, irradiation and frequency of LLLT can influence the cellular mechanisms. Moreover, the effects of LLLT are different according to cell types treated. This review aims to summarize the current knowledge of the molecular pathways activated by LLLT and its effects on the bone healing process. A better understanding of the cellular mechanisms activated by LLLT can improve its clinical application.
低水平激光疗法(LLLT)是一种在骨科实践中越来越常用的治疗方法。体内和体外研究表明,低水平激光疗法(LLLT)可促进血管生成、骨折愈合和干细胞的成骨分化。然而,骨形成过程中的潜在机制在很大程度上仍然未知。诸如波长、能量密度、辐照和 LLLT 的频率等因素会影响细胞机制。此外,LLLT 的效果因所处理的细胞类型而异。本文综述了 LLLT 激活的分子途径及其对骨愈合过程的影响的现有知识。更好地了解 LLLT 激活的细胞机制可以改善其临床应用。
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