鹿茸角柄断面伤口无疤痕愈合过程中骨形态蛋白的表达及功能分析

doi:10.16829/j.slxb.150343

兽类学报 ›› 2020, Vol. 40 ›› Issue (1): 47-53.DOI: 10.16829/j.slxb.150343

鹿茸角柄断面伤口无疤痕愈合过程中骨形态蛋白的表达及功能分析

林珊珊¹ 郭倩倩² 陈奕其¹ 郑慧洁¹ 郑美霞¹ 褚文辉¹

(1 台州学院生命科学学院，台州 318000)
（2中国农业科学院特产研究所/特种经济动物分子生物学国家重点实验室，吉林省鹿茸工程研究中心, 长春130012）

出版日期:2020-01-30 发布日期:2020-01-19
通讯作者: 褚文辉 E-mail：jake-chu@hotmail.com

Functional research and expression analysis of BMPs during the scarless wound healing process of pedicle stump

LIN Shanshan1, GUO Qianqian², CHEN Yiqi¹, ZHENG Huijie¹, ZHENG Meixia¹, CHU Wenhui¹

(1 School of Life Science, Taizhou University, Taizhou 318000, China)
(2 Institute of Special Animal and Plant Sciences,State Key Laboratory for Molecular Biology of Special Economic Animals/Deer Antler Engineering Research Center of Jilin Province, Chinese Academy of Agricultural Sciences, Changchun 130012, China)

Online:2020-01-30 Published:2020-01-19

摘要/Abstract

摘要：

为研究骨形态蛋白（bone morphogenetic proteins ，BMP）在鹿茸再生早期角柄断面伤口无疤痕愈合过程中的功能，本研究通过免疫组化技术对比分析了BMP 2 和BMP 4在正常皮肤及茸皮中的表达及分布差异，同时利用添加外源性蛋白分析了BMP 4对鹿真皮成纤维细胞和毛乳头细胞的影响。结果显示：(1)原代培养的真皮成纤维细胞表达波形蛋白阳性率几乎为100%；(2) BMP 2和BMP 4强烈表达于茸皮中新生毛囊的毛基质细胞中；(3) BMP 4可促进鹿真皮成纤维细胞向脂肪细胞转分化；(4) BMP 4可促进鹿真皮毛乳头细胞成团。以此推测BMP在鹿毛囊形成及伤口愈合过程中发挥重要作用。

关键词: 鹿茸, 骨形态蛋白, 角柄, 无疤痕愈合, 毛囊, 转分化

Abstract:

The aim of this study is to find out the functional roles of bone morphogenetic proteins (BMP) during the scarless wound healing of pedicle stump at the early regeneration stage of antler. Immunohistochemistry (IHC) was used to analyze the expression and localization of BMP 2 and BMP 4 in the pedicle and the antler skins. BMP 4 was added to the culture medium of dermal papilla cells and fibroblasts of deer skin to see if the protein was playing an essential role during trans-differentiation and gathering. The results showed that: (1) Nearly 100% of the fibroblasts harvested from the primary culture of pedicle skin tissue expressed vimentin: a marker of dermal fibroblasts; (2) BMP 2 and BMP 4 were strongly expressed in the newly formed hair matrix cells in the antler skin; (3) BMP 4 promoted the trans-differentiation of fibroblasts into adipocytes; (4) BMP 4 also facilitated the degree of agglomeration of dermal papilla cells in vitro. Based on these observations we speculated that BMPs played an important role in the process of trans-differentiation of fibroblast and gathering of papilla cells which could accelerate the process of scarless wound healing.

Key words: Antler, BMP, Pedicle, Scarless wound healing, Hair follicle, Trans differentiation

林珊珊郭倩倩陈奕其郑慧洁郑美霞褚文辉. 鹿茸角柄断面伤口无疤痕愈合过程中骨形态蛋白的表达及功能分析[J]. 兽类学报, 2020, 40(1): 47-53.

LIN Shanshan, GUO Qianqian, CHEN Yiqi, ZHENG Huijie, ZHENG Meixia, CHU Wenhui. Functional research and expression analysis of BMPs during the scarless wound healing process of pedicle stump[J]. ACTA THERIOLOGICA SINICA, 2020, 40(1): 47-53.

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鹿茸角柄断面伤口无疤痕愈合过程中骨形态蛋白的表达及功能分析

Functional research and expression analysis of BMPs during the scarless wound healing process of pedicle stump

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