Quantitative proteomic analysis of deer antler stem cells as a model of mammalian organ regeneration

文献类型： 外文期刊

第一作者： Dong, Zhen

作者： Dong, Zhen;Sun, Hongmei;Li, Chunyi;Dong, Zhen;Coates, Dawn;Liu, Qingxiu;Li, Chunyi

作者机构：

关键词： Regenerative medicine; Deer; Periosteum; Antler stem cell; Proteomics; 2D-DIGE

期刊名称：JOURNAL OF PROTEOMICS （ 影响因子：4.044； 五年影响因子：4.02 ）

ISSN： 1874-3919

年卷期： 2019 年 195 卷

页码：

收录情况： SCI

摘要： The ability to activate and regulate stem cells during wound healing and tissue/organ regeneration is a promising field which could bring innovative approaches to regenerative medicine. The regenerative capacity of invertebrates has been well documented, however in mammals, stem cells that drive organ regeneration are rare. Deer antler is unique in providing a mammalian model of complete organ regeneration based on stem cells. The present study investigated the differentially regulated proteins (DRPs) between different antler stem cell populations (n = 3) using 2D-DIGE. Western blotting was used to validate the proteomics results. Comparative proteomics resulted in protein profiles which were similar for the biological replicates but different between the cells derived from two different stem cell niches involved in antler growth/regeneration and cells derived from facial periosteum. Ninety-two up- and down-regulated proteins were identified by MALDI-TOF MS. The work indicates that the epithelial-mesenchymal transition process may participate in the initiation of antler regeneration including the first stage of scar-less wound healing. Cell mobility is also highly regulated during antler regeneration. Energy and nucleotide metabolism may however be less active in antler regeneration as compared to that in antler generation phase. These results provide new insights into the underlying mechanisms of stem cell-based regeneration of mammalian organs.

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