• Eur Spine J · Apr 2012

    Study to determine the presence of progenitor cells in the degenerated human cartilage endplates.

    • Bo Huang, Lan-Tao Liu, Chang-Qing Li, Ying Zhuang, Gang Luo, Shi-Yuan Hu, and Yue Zhou.
    • Department of Orthopedics, Xinqiao Hospital, Third Military Medical University, Chongqing, 400037, People's Republic of China.
    • Eur Spine J. 2012 Apr 1;21(4):613-22.

    IntroductionCartilage endplate (CEP) degeneration is usually accompanied by loss of cellularity, and this loss may be a crucial key factor in initiation and development of degenerative disc disease. The study of cell types in degenerated CEP could help in understanding CEP etiopathogenesis, and may help in devising new treatments, especially if the presence of progenitor cells could be demonstrated. The aim of this study was to determine if progenitor cells existed in degenerated human CEP.Materials And MethodsCells isolated from CEP were cultured in a three-dimensional agarose suspension to screen for proliferative cell clusters. Cell clusters were then expanded in vitro and the populations were analyzed for colony forming unit, immunophenotype, multilineage induction, and expression of stem cell-related genes.ResultsThe presence of progenitor cells in degenerated human CEP is indicated by the results of CFU, immunophenotype, multilineage induction, and expression of stem cell-related genes.ConclusionsWe believe that this is the first study which has conclusively shown the presence of progenitor cells in degenerated CEP. The finding of this study may influence the clinical management of degenerative disc disorder.

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