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Innovative design of minimal invasive biodegradable poly(glycerol-dodecanoate) nucleus pulposus scaffold with function regeneration

Author

Listed:
  • Lizhen Wang

    (Beihang University)

  • Kaixiang Jin

    (Beihang University)

  • Nan Li

    (The Fourth Clinical Medical College of Peking University)

  • Peng Xu

    (Beihang University)

  • Hao Yuan

    (Beihang University)

  • Harsha Ramaraju

    (Georgia Institute of Technology and Emory University)

  • Scott J. Hollister

    (Georgia Institute of Technology and Emory University)

  • Yubo Fan

    (Beihang University)

Abstract

Minimally invasive biodegradable implants with regeneration have been a frontier trend in clinic. Degeneration of nucleus pulposus (NP) is irreversible in most of spine diseases, and traditional spinal fusion or discectomy usually injure adjacent segments. Here, an innovative minimally invasive biodegradable NP scaffold with function regeneration inspired by cucumber tendril is developed using shape memory polymer poly(glycerol-dodecanoate) (PGD), whose mechanical property is controlled to the similar with human NP by adjusting synthetic parameters. The chemokine stromal cell-derived factor-1α (SDF-1α) is immobilized to the scaffold recruiting autologous stem cells from peripheral tissue, which has better ability of maintaining disc height, recruiting autologous stem cells, and inducing regeneration of NP in vivo compared to PGD without chemokine group and hydrogel groups significantly. It provides an innovative way to design minimally invasive implants with biodegradation and functional recovery, especially for irreversible tissue injury, including NP, cartilage and so on.

Suggested Citation

  • Lizhen Wang & Kaixiang Jin & Nan Li & Peng Xu & Hao Yuan & Harsha Ramaraju & Scott J. Hollister & Yubo Fan, 2023. "Innovative design of minimal invasive biodegradable poly(glycerol-dodecanoate) nucleus pulposus scaffold with function regeneration," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-39604-0
    DOI: 10.1038/s41467-023-39604-0
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    Cited by:

    1. Zhinan Mao & Xuewei Bi & Chunhao Yu & Lei Chen & Jie Shen & Yongcan Huang & Zihong Wu & Hui Qi & Juan Guan & Xiong Shu & Binsheng Yu & Yufeng Zheng, 2024. "Mechanically robust and personalized silk fibroin-magnesium composite scaffolds with water-responsive shape-memory for irregular bone regeneration," Nature Communications, Nature, vol. 15(1), pages 1-19, December.

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