High Efficient Expression and Purification of Human Epidermal Growth Factor in Arachis Hypogaea L.
文献类型： 外文期刊
作者： Yao, Qingshou 1 ; Yu, Zipeng 1 ; Liu, Pu 1 ; Zheng, Hao 1 ; Xu, Yang 3 ; Sai, Sixiang 2 ; Wu, Yuyong 2 ; Zheng, Chengchao 1 ;
作者机构： 1.Shandong Agr Univ, State Key Lab Crop Biol, Tai An 271018, Shandong, Peoples R China
2.Binzhou Medicial Univ, Coll Pharmaceut Sci, Yantai 264003, Peoples R China
3.Shandong Acad Agr Sci, Shandong Peanut Res Inst, Qingdao 266100, Shandong, Peoples R China
关键词： Arachis Hypogaea L; Hairy roots; Production system; Human epidermal growth factor; Agrobacterium rhizogenes R1601
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： 2019 年 20 卷 8 期
页码：
收录情况： SCI
摘要： Background: Human epidermal growth factor (hEGF) has drawn intense research attention due to its potential ability to promote healing of serious injuries, such as cuts, burns, and diabetic ulcers. Although hEGF displays prospective clinical value, the growth factor is restricted to the treatment of chronic diabetic ulcers because of its high production cost. Methods: Leguminous plant peanut (Arachis hypogaea L.) hairy roots contain relatively few toxic and harmful substances, and tested as an excellent production system for hEGF in our study. To explore the possibility of hEGF expression in peanut, hEGF overexpression hairy roots were obtained by infecting leaves with Agrobacterium rhizogenes R1601. Results: The maximum transgenic hairy roots inducing rate was 82%. Protein purification and mass spectrometry assays showed that the protein expressed in peanut hairy roots was identified as hEGF. Furthermore, Methylthiazolyldiphenyl-tetrazolium bromide assay showed that hEGF promoted HL-7702 liver cells proliferation, which indicate that hEGF has biological activity and non-toxic on human cells. Conclusion: Our results demonstrate the capacity of peanut hairy root cultures as a controlled, sustainable, and scalable production system that can be induced to produce valued human proteins, such as hEGF.
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