Proteomic Analysis of Plasma Membrane Proteins of Antler Stem Cells Using Label-Free LC-MS/MS

文献类型： 外文期刊

第一作者： Wang, Datao

作者： Wang, Datao;Ba, Hengxing;Li, Chenguang;Li, Chunyi;Li, Chenguang;Zhao, Quanmin;Li, Chunyi

作者机构：

关键词： deer antler; antler stem cell; membrane protein; label-free LC-MS/MS; regeneration

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2018 年 19 卷 11 期

页码：

收录情况： SCI

摘要： Deer antlers are unusual mammalian organs that can fully regenerate after annual shedding. Stem cells resident in the pedicle periosteum (PPCs) provide the main cell source for antler regeneration. Central to various cellular processes are plasma membrane proteins, but the expression of these proteins has not been well documented in antler regeneration. In the present study, plasma membrane proteins of PPCs and facial periosteal cells (FPCs) were analyzed using label-free liquid chromatography-mass spetrometry (LC-MS/MS). A total of 1739 proteins were identified. Of these proteins, 53 were found solely in the PPCs, 100 solely in the FPCs, and 1576 co-existed in both PPCs and FPCs; and 39 were significantly up-regulated in PPCs and 49 up-regulated in FPCs. In total, 226 gene ontology (GO) terms were significantly enriched from the differentially expressed proteins (DEPs). Five clusters of biological processes from these GO terms comprised responses to external stimuli, signal transduction, membrane transport, regulation of tissue regeneration, and protein modification processes. Further studies are required to demonstrate the relevancy of these DEPs in antler stem cell biology and antler regeneration.

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