Zhang Yuelong, Zhuang Huangming, Ren Xunshan, Zhou Panghu
Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China.
Front Cell Dev Biol. 2025 May 1;13:1549812. doi: 10.3389/fcell.2025.1549812. eCollection 2025.
Osteoarthritis (OA) is the predominant cause of joint pain and limited mobility in older people, and its prevalence is increasing as the population ages. Given the lack of effective therapeutic interventions, the disability rate associated with OA is a staggering 53%, which significantly affects the wellbeing of those affected and represents a significant social and family financial burden. Consequently, OA has emerged as a pressing social and public health concern globally. Various forms of mechanical strain, such as dynamic compression, fluid shear, tissue shear, and hydrostatic pressure, serve as crucial physical stimuli perceived by chondrocytes. Recent studies indicate that aberrant mechanical loading represents a fundamental risk factor for OA. Upon exposure to mechanical loading, chondrocytes translate mechanical cues into chemical signals primarily via mechanosensitive ion channels, resulting in alterations in cartilage metabolism. Numerous studies have demonstrated the significance of mechanosensitive ion channels in the pathogenesis of OA, suggesting that therapeutic interventions targeting these channels on chondrocytes may offer potential benefits.
骨关节炎(OA)是老年人关节疼痛和活动受限的主要原因,并且随着人口老龄化,其患病率正在上升。鉴于缺乏有效的治疗干预措施,与OA相关的残疾率高达惊人的53%,这严重影响了患者的健康,并带来了巨大的社会和家庭经济负担。因此,OA已成为全球紧迫的社会和公共卫生问题。各种形式的机械应变,如动态压缩、流体剪切力、组织剪切力和静水压力,是软骨细胞感知的关键物理刺激。最近的研究表明,异常的机械负荷是OA的一个基本危险因素。在受到机械负荷时,软骨细胞主要通过机械敏感离子通道将机械信号转化为化学信号,从而导致软骨代谢改变。大量研究已经证明机械敏感离子通道在OA发病机制中的重要性,这表明针对软骨细胞上这些通道的治疗干预可能会带来潜在益处。
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