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Journal of Orthopaedic Surgery and Research logoLink to Journal of Orthopaedic Surgery and Research
. 2026 Mar 31;21:229. doi: 10.1186/s13018-026-06826-z

Retraction Note: Psoralen synergizes with exosome-loaded SPC25 to alleviate senescence of nucleus pulposus cells in intervertebral disc degeneration

Lei Yang 1, Zhaoyong Li 1, Chao Zhang 1, Shuofu Li 1, Long Chen 1, Shaofeng Yang 1, Yantao Guo 1,
PMCID: PMC13037014  PMID: 41917980

Retraction Note to: Journal of Orthopaedic Surgery and Research (2023) 18:622 10.1186/s13018-023-04085-w

The Editor-in-Chief has retracted this article at the request of the authors. After publication, the authors informed the Journal that the experiments reported in this publication were conducted by a third-party laboratory. This is in contravention of the Journal’s Editorial Policies, which state that when data analysed or generated by a third party, this should be clearly stated within the article’s Methods and/or Availability of data and Materials sections. The authors also informed the Journal that they had lost confidence in the integrity of the data they had been provided with. The Editor-in-Chief, therefore, no longer has confidence in the research presented in this work.

All authors agree with this retraction.

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