脂肪在骨关节炎中的作用
1Department of Orthopaedic Surgery and Department of Anatomy, San Francisco, California, USA.
概括
骨关节炎 (OA) 不仅仅是磨损;它是一种由代谢和免疫因素,特别是脂肪组织驱动的全身性疾病. 脂肪量,而不仅仅是体重,预测了OA的严重程度,突出了新的治疗目标.
科学领域:
- 在全身疾病中的代谢和免疫因素.
- 脂肪组织和骨关节炎的发病因子
背景情况:
- 骨关节炎 (OA) 传统上被视为一种退行性关节疾病.
- 新出现的证据表明,代谢和免疫因素有助于OA.
- 脂肪组织及其分泌的因素与OA的发展和疼痛有关.
研究的目的:
- 挑战OA作为一种磨损疾病的传统观点.
- 研究脂肪组织及其介质在OA中的作用.
- 基于系统因素,探索OA的新型治疗点.
主要方法:
- 在老鼠中饮食诱导的肥胖模型.
- 人类临床研究与人体脂肪百分比和OA发病率相关联.
- 没有脂肪的小鼠模型来评估缺乏脂肪的保护作用.
- 调查瘦素和补充因子D (FD) 的作用.
- 利用空间多态学,近距离标记,生物工程和疼痛测试.
主要成果:
- 脂肪质量和脂肪衍生的因素与骨关节炎的严重程度相关,独立于体重.
- 身体脂肪百分比是OA发病率的更准确的预测指标,而不是人类的BMI.
- 缺少脂肪可以防止OA,强调脂肪器官间的交叉声.
- 莱普和补充因子D (FD) 被确定为OA中的关键脂肪分泌媒介.
- FD通过eicosanoids影响OA结构和疼痛.
结论:
- 骨关节炎是一种由代谢和免疫因素影响的全身性疾病,脂肪组织发挥着关键作用.
- 准脂肪衍生媒介为个性化OA护理和疼痛管理提供了一个有希望的策略.
- 将OA重新定义为一种全身性疾病,需要改变研究和治疗方法.
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