人类Foxm1b基因的原核表达、抗体制备及其对肝癌细胞中Foxm1b蛋白的识别

【目的】构建人类Foxm1b基因的原核表达载体，表达并纯化蛋白，制备多克隆抗体，并用此抗体检测肝癌细胞中Foxm1b基因的表达，为进一步研究Foxm1b基因的功能奠定基础。【方法】从GenBank中下载人类Foxm1b基因全长cDNA序列并用Pegene软件分析其可能的抗原表位，设计引物．应用RT—PCR获得含抗原表位的Foxm1b基因片段，重组人原核表达载体pET-28a，在大肠杆菌BL-21（DE31中诱导表达，应用亲和层析法获得纯度较高的原核表达蛋白并免疫大鼠制备多克隆抗体，用ELISA检测抗体滴度并用免疫细胞化学的方法检测此抗体对肝癌细胞中天然Foxm1b蛋白的识别。【结果】成功构建了...

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Published inZhongshan da xue xue bao. Zhongshan daxue xuebao yixue kexue ban = Journal of Sun Yat-sen University. Yi xue ke xue ban Vol. 28
Main Authors 唐保东, 刘思纯, 徐雅, 曾志荣, 胡品津
Format Journal Article
LanguageChinese
Published Editorial Office of Journal of Sun Yat-sen University 01.01.2007
Subjects
人类Foxm1b基因
原核表达
多克隆抗体
肝癌细胞
Online AccessGet full text
ISSN1672-3554
DOI10.3321/j.issn:1672-3554.2007.06.013

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Abstract 【目的】构建人类Foxm1b基因的原核表达载体，表达并纯化蛋白，制备多克隆抗体，并用此抗体检测肝癌细胞中Foxm1b基因的表达，为进一步研究Foxm1b基因的功能奠定基础。【方法】从GenBank中下载人类Foxm1b基因全长cDNA序列并用Pegene软件分析其可能的抗原表位，设计引物．应用RT—PCR获得含抗原表位的Foxm1b基因片段，重组人原核表达载体pET-28a，在大肠杆菌BL-21（DE31中诱导表达，应用亲和层析法获得纯度较高的原核表达蛋白并免疫大鼠制备多克隆抗体，用ELISA检测抗体滴度并用免疫细胞化学的方法检测此抗体对肝癌细胞中天然Foxm1b蛋白的识别。【结果】成功构建了Foxm1b基因重组表达载体pET-28a—Foxm1b，表达的蛋白经纯化后免疫大鼠得到了高滴度的多克隆抗体．该抗体可以识别肝癌细胞中的天然抗原。【结论】人类Foxm1b基因的原核表达载体的构建、重组蛋白的表达纯化及有诊断价值的抗体的制备为后续的研究提供了基础。
AbstractList 【目的】构建人类Foxm1b基因的原核表达载体，表达并纯化蛋白，制备多克隆抗体，并用此抗体检测肝癌细胞中Foxm1b基因的表达，为进一步研究Foxm1b基因的功能奠定基础。【方法】从GenBank中下载人类Foxm1b基因全长cDNA序列并用Pegene软件分析其可能的抗原表位，设计引物．应用RT—PCR获得含抗原表位的Foxm1b基因片段，重组人原核表达载体pET-28a，在大肠杆菌BL-21（DE31中诱导表达，应用亲和层析法获得纯度较高的原核表达蛋白并免疫大鼠制备多克隆抗体，用ELISA检测抗体滴度并用免疫细胞化学的方法检测此抗体对肝癌细胞中天然Foxm1b蛋白的识别。【结果】成功构建了Foxm1b基因重组表达载体pET-28a—Foxm1b，表达的蛋白经纯化后免疫大鼠得到了高滴度的多克隆抗体．该抗体可以识别肝癌细胞中的天然抗原。【结论】人类Foxm1b基因的原核表达载体的构建、重组蛋白的表达纯化及有诊断价值的抗体的制备为后续的研究提供了基础。
Author 徐雅
刘思纯
胡品津
曾志荣
唐保东
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SubjectTerms 人类Foxm1b基因
原核表达
多克隆抗体
肝癌细胞
Title 人类Foxm1b基因的原核表达、抗体制备及其对肝癌细胞中Foxm1b蛋白的识别
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