唐青蓝;李红梅;张礼林;王玉丰;颜礼完;周君;
TANG Qinglan;LI Hongmei;ZHANG Lilin;WANG Yufeng;YAN Liwan;ZHOU Jun;Department of Clinical Laboratory, The Third People's Hospital of Hainan Province;Department of Biochemistry and Molecular Biology, Guizhou Medical University;

• 1:海南省第三人民医院检验科
• 2:贵州医科大学生物化学与分子生物学教研室

摘要(Abstract)：

目的:对小鼠FGF21基因进行克隆并诱导表达FGF21融合蛋白。方法:以带有小鼠FGF21的T载体pMD19-T-mFGF21为模板特异性扩增FGF21基因片段,将扩增产物克隆至pET-28a(+),得到pET-28a(+)-mFGF21的重组子,并转化于大肠杆菌BL21(DE3),使用IPTG诱导融合蛋白的表达,纯化后采用Western Blot进行鉴定。结果:pET-28(+)-mFGF21重组质粒构建成功,表达出可溶性的his-mFGF21融合蛋白,经纯化后该蛋白his-mFGF21可与FGF21抗体特异性结合。结论:成功构建pET-28(+)-mFGF21重组子,并表达出his-mFGF21蛋白。
Objective: To clone the gene of mice FGF21 to the expression vector pET-28a(+), express the pET-28a(+)-mFGF21 in E.coli, and obtain the fusion protein of mice FGF21. Methods: To specifically amplificate the gene fragment of mFGF21,which was preserved as pMD19-T-mFGF21 in the early stage of the laboratory, and then clone it into pET-28a(+) to get the recombinant plasmids of pET-28a(+)-mFGF21.The pET-28a(+)-mFGF21 was transformed into E.coli BL21(DE3). The fusion protein induced with IPTG and purified in affinity chromatography, was identified by Western blotting. Results: The recombinant plasmid of pET-28a(+)-mFGF21 was successfully constructed and expressed in a soluble form, and the his-mFGF21 protein had specific interaction with FGF21 antibody after being purified. Conclusion: The pET-28a(+)-mFGF21 recombinant can be successfully constructed and the fusion protein of his-mFGF21 can be expressed.

关键词(KeyWords)： 成纤维细胞生长因子;基因克隆;融合蛋白;诱导表达;蛋白纯化
fibroblast growth factor;gene cloning;fusion protein;induced expression;protein purification

Abstract:

Keywords:

基金项目(Foundation): 贵阳市科技局和贵州医科大学联合基金[筑科合同(2017)5-23号]

作者(Author): 唐青蓝;李红梅;张礼林;王玉丰;颜礼完;周君;
TANG Qinglan;LI Hongmei;ZHANG Lilin;WANG Yufeng;YAN Liwan;ZHOU Jun;Department of Clinical Laboratory, The Third People's Hospital of Hainan Province;Department of Biochemistry and Molecular Biology, Guizhou Medical University;

Email:

DOI: 10.19367/j.cnki.1000-2707.2019.05.011

参考文献(References)：

• [1] JIN L,LIN Z,XU A.Fibroblast growth factor 21 protects against atherosclerosis via fine-tuning the multiorgan crosstalk[J].Diabetes Metab J,2016,40(2):22-31.
• [2] 肖卫晋,李国华,屈顺林,等.成纤维细胞生长因子21 心肌保护作用的研究进展[J].中国动脉硬化杂志,2017,25(5):527-530.
• [3] LUO F,GUO Y,RUAN G,et al.Metformin promotes cholesterol efflux in macrophages by up-regulating FGF21 expression:a novel anti-atherosclerotic mechanism[J].Lipids Health Dis,2016,15(1):1-2.
• [4] CHENG P,ZHANG F,YU L,et al.Physiological and pharmacological roles of FGF21 in cardiovascular diseases[J].J Diabetes Res,2016(2):1-8.
• [5] PLANAVILA A,REDONDO-ANGULO I,RIBAS F,et al.Fibroblast growth factor 21 protects the heart from oxidative stress[J].Cardiovasc Res,2015,106(1):19-31.
• [6] 伍熙,赵东晖,范谦,等.成纤维细胞生长因子21 对载脂蛋白E 基因敲除小鼠动脉粥样硬化病变中内质网应激诱导的凋亡的影响[J].中国动脉硬化杂志,2014,22(4):325-328.
• [7] LEE C H,WOO Y C,CHOW W S,et al.Role of circulating fibroblast growth factor 21 measurement in primary prevention of coronary heart disease among Chinese patients with type 2 diabetes mellitus[J].Journal of the American Heart Association,2017,6(6):30-35.
• [8] 唐青蓝,李红梅,王剑青,等.FGF21与原发性高血压的相关性初探[J].贵阳医学院学报,2013,38(4):359-361.
• [9] 刘俊田.动脉粥样硬化发病的炎症机制的研究进展[J].西安交通大学学报(医学版),2015,36(2):141-152.
• [10]RASMUSSEN-TORVIK L J,LI M,KAO W H,et al.Association of a fasting glucose genetic risk score with subclinical Atherosclerosis [J].Diabetes,2011,60(1):33l-335.
• [11]石维.2型糖尿病合并动脉粥样硬化的发病机制、临床诊断与治疗[J].中国老年学杂志,2016,36(7):1777-1781.
• [12]刘丽,张腾,陈瑜.免疫系统与动脉粥样硬化发病机制的研究进展[J].中西医结合心脑血管病杂志,2015,13(8):1000-1003.
• [13]NISHIMURA T,NAKATAKE Y,KONISHI M,et al.Identification of a novel FGF,FGF-21,preferentially expressed in the liver[J].Biochim Biophys Acta,2000,1492(1):203-206.
• [14]吕欣,任毅,杨静.FGF21生物学特征及对脂肪组织糖代谢的调节[J].中国现代医药杂志,2017,19(1):101-104.
• [15]LI H,ZHANG J,JIA W.L.Fibroblast Growth factor 21:a novel metabolic regulator from pharmacology to physiology[J].Front Med,2013,7(1):25-30.
• [16]FISHER FM,KLEINER S,DOURIS N,et al.FGF21 regulates PGC-1α and browning of white adipose tissues in adaptive thermogenesis[J].Genes Dev,2012,26(3):271-281.
• [17]MURIELLE M,VENIANT,GLENN S,et al.Pharmacologic effects of FGF21 are independent of the“browning”of white adipose tissue[J].Cell Metabolism,2015,21(5):731-738.
• [18]TANAJAK P,CHATTIPAKORN S C,CHATTIPAKORN N,et al.Effects of fibroblast growth factor 21 on the heart[J].J Endocrinol,2015,227(2):13-30.
• [19]KOKKINOS J,TANG S,RYE K A,et al.The role of fibroblast growth factor 21 in atherosclerosis[J].Atherosclerosis,2017,257:259-265.
• [20]ZHU S,MA L,WU Y,et al.FGF21 treatment ameliorates alcoholic fatty liver through activation of AMPK-SIRT1 pathway[J].Acta Biochim Biophys Sin,2014,46(12):1041-1048.
• [21]SINGHAL G,FISHER F M,CHEE M J,et al.Fibroblast growth factor 21(FGF21) protects against high fat diet induced inflammation and islet hyperplasia in pancreas[J].PLoS One,2016,11(2):e0148252.
• [22]WANG W F,LI S M,REN G P,et al.Recombinant murine fibroblast growth factor 21 ameliorates obesity-related inflammation in monosodium glutamate-induced obesity rats[J].Endocrine,2015,49(1):119-129.
• [23]YU Y,HE J,LI S,et al.Fibroblast growth factor 21(FGF21) inhibits macrophage-mediated inflammation by activating Nrf2 and suppressing the NF-kappa B signaling pathway[J].Int Immunopharmacol,2016,38:144-152.
• [24]王大秀,韩继武.成纤维细胞生长因子21对小鼠肝纤维化的作用及其机制[J].临床肝胆病杂志,2018,34(6):1215-1219.
• [25]VIDELA LA,FERNANDEZ V,VARGAS R,et al.Upregulation of rat liver PPARalphaFGF21 signaling by a docosahexaenoic acid and thyroid hormone combined protocol[J].Biofactors,2016,42(6):638-646.
• [26]XIAO Y,LIU L,XU A,et al.Serum fibroblast growth factor 21 levels are related to subclinical atherosclerosis in patients with type 2 diabetes[J].Cardiovasc Diabetol,2015,14:72.

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