Guidelines on offloading foot ulcers in persons with diabetes (IWGDF 2023 update).

Journal and index pages often block iframe embedding. This reader keeps the evidence details in Orthonotes and leaves the source page one click away.

Abstract

[Indexed for MEDLINE] 11. Adv Sci (Weinh). 2025 Sep;12(34):e09883. doi: 10.1002/advs.202509883. Epub 2025 Jun 19. Bioactive siRNA-Based Liposomes Promoted Tendon-Bone Healing in Osteoporotic Mice by Recovering the Stemness of CD248(+) TSPCs. Qian Y(1), Zhu J(2), He Y(3), Qin H(4), Qian P(1), Sun B(1), Huang H(1), Kuang C(1), Yang Q(1), Ou Y(5), Sun R(6), Xu F(1), Wang X(7), Luo Z(3), Wang Q(1). Author information: (1)Department of Orthopedics, Kunshan Hospital of Chinese Medicine，Kunshan Hospital Affiliated to Nanjing University of Chinese Medicine, No.388 Zuchongzhi South Road, Kunshan, Jiangsu, 215300, China. (2)Department of Orthopedics, Nantong Tongzhou Hospital of Traditional Chinese Medicine, No.8 Jianshe Road, Tongzhou, Jiangsu, 226300, China. (3)Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, 200040, China. (4)Department of Rehabilitation, Huashan Hospital, Fudan University, Shanghai, 200040, China. (5)Department of Urology, Huashan Hospital, Fudan University, Shanghai, 200040, China. (6)Department of Radiation Oncology, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210000, China. (7)School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Provincial Institute of Translational Medicine, Anhui Medical University, Hefei, 230032, China. Osteoporosis significantly impairs tendon-bone healing, increasing the risk of rotator cuff tears and postoperative retearing. Tendon stem/progenitor cells (TSPCs) are vital for tendon repair, with their stemness crucial to healing outcomes. This study investigated the role of CD248 in regulating TSPC stemness and assessed the therapeutic potential of si-CD248-loaded liposomes in promoting tendon-bone healing under osteoporotic conditions. Single-cell RNA sequencing (scRNA-seq) identified increased TSPC populations, particularly a unique subcluster, TSPC-0, with elevated CD248 expression in osteoporotic tendon samples. CD248+ TSPCs displayed reduced proliferation, increased apoptosis, and impaired migration, driven by altered FAK-JAK-STAT1 signaling. si-CD248-loaded liposomes were formulated and characterized, demonstrating efficacy in inhibiting CD248 expression, restoring TSPC stemness, and promoting tendon-bone healing. In osteoporotic mice, liposome treatment significantly enhanced tissue regeneration, improving histological scores, collagen organization, and biomechanical properties. This study reveals that elevated CD248 expression negatively impacts TSPC stemness and impairs healing under osteoporotic conditions. Targeting CD248 using si-CD248-loaded liposomes effectively restores TSPC regenerative potential, representing a promising therapeutic strategy to enhance tendon-bone healing in osteoporotic patients. © 2025 The Author(s). Advanced Science published by Wiley‐VCH GmbH. DOI: 10.1002/advs.202509883 PMCID: PMC12442593