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Article Publish Status: FREE
Abstract Title:

Ascorbic acid promotes nucleus pulposus cell regeneration by regulating proliferation during intervertebral disc degeneration.

Abstract Source:

J Nutr Biochem. 2022 Jun 29:109099. Epub 2022 Jun 29. PMID: 35779794

Abstract Author(s):

Yu-Yang Yi, Shu-Bao Zhang, Hao Chen, Hao-Wei Xu, Shan-Jin Wang

Article Affiliation:

Yu-Yang Yi

Abstract:

Intervertebral disc degeneration (IVDD) a ffects human health. Ascorbic acid (AA) deficiency is a major factor that contributes to the development of degenerative disc disease in the elderly. Here, as a novel treatment with promising applications, we demonstrate that AA treatment inhibited senescence and maintained the proliferation of nucleus pulposus (NP) cells during long-term culture. AA-treated NP cells and acupuncture-treated rat models exhibited degenerative resistance during cell passaging and AA increased cell proliferation and decreased time-related senescence. Interestingly, Kyoto Encyclopedia of Genes and Genomes pathway mapping revealed five top enriched pathways and four pathways were associated with the aldehyde dehydrogenase (ALDH) enzyme family, especially proliferation-related ALDH1A3. Collectively, our findings demonstrate that ALDH1A3 expression was increased by AA treatment, which counteracted degeneration in NP cells over time and rejuvenated maintenance of proliferation in NP cells, which has a promising therapeutic implications in IVDD.

Study Type : Animal Study

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