SEMA4A signaling in macrophage subpopulations and its implication in osteoarthritis - Takeaways - MDSpire

SEMA4A signaling in macrophage subpopulations and its implication in osteoarthritis

  • By

  • Yue Qiu

  • Shuzhong Huang

  • Bo Yu

  • Baochen Wei

  • Tianyu Ren

  • Xiaofan Yang

  • Zhanying Shi

  • Zhaolan Wei

  • June 5, 2026

  • 0 min

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  • 1

    Osteoarthritis affects approximately 240 million people globally and is characterized by articular cartilage deterioration and low-grade inflammation.

  • 2

    Macrophage polarization is crucial in OA, with M1 macrophages promoting cartilage destruction and M2 macrophages facilitating tissue repair.

  • 3

    This study utilized single-cell transcriptomic data to analyze M1 and M2 macrophage interactions and identify key signaling pathways in OA.

  • 4

    SEMA4A was identified as a key gene in macrophage communication, with the SEMA4A–PLXNB2 signaling pathway being predominant in OA.

  • 5

    The SEMA4A–PLXNB2 pathway may sustain inflammation in osteoarthritic joints, indicating its potential as a therapeutic target.

Original Source(s)

SEMA4A signaling in macrophage subpopulations and its implication in osteoarthritis

  • by Yue Qiu, Shuzhong Huang, Bo Yu, Baochen Wei, Tianyu Ren, Xiaofan Yang, Zhanying Shi, Zhaolan Wei

  • June 5, 2026

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