Proteomic Profiling of Stem Cell Tissues during Regeneration of Deer Antler: A Model of Mammalian Organ Regeneration.

Journal of Proteome Research
Zhen DongDawn Coates

Abstract

As the only known mammalian organ that can fully and annually regenerate, deer antler has significant advantages over lower-order animal models when investigating the control of stem-cell-based organ regeneration. Antler regeneration is known to be initiated and maintained by neural-crest-derived stem cells in different states of activation. Antler stem cells can therefore be used as a model to study proteins and pathways involved in the maintenance of a stem cell niche and their activation and differentiation during organ formation. In this study, the MSC markers CD73, CD90, and CD105 were examined within the antler tip. Label-free quantification was performed to investigate the protein profiles of antler stem cells under different stages of activation and included dormant pedicle periosteum (DPP), antler growth center (GC), post-active stem cells from mid-beam antler periosteum (MAP), and deer facial periosteum (FP) as a control (n = 3 per group). PEAKS and IPA software were used to analyze the proteomic data. Our research confirmed the central role of stem cell activation in the development of this mammalian organ by localizing the MSC markers within the antler growth center. Label-free quantification revealed that the great...Continue Reading

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Citations

Oct 29, 2020·Journal of Cellular Physiology·Zhen DongDawn Coates
Mar 27, 2021·Journal of Proteome Research·Zhen Dong, Dawn Coates
Apr 2, 2021·Journal of Experimental Zoology. Part A, Ecological and Integrative Physiology·Chunyi Li
Aug 14, 2020·Journal of Proteome Research·Michelle Heck, Benjamin A Neely

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