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[Expression of human nerve growth factor gene in E. coli]
Xiaoqiang He1, Junjie Chen, Ruohan Wang
1Institute of Biochemistry and Molecular Biology, West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu 610041, China.
Hua Xi Yi Ke Da Xue Xue Bao = Journal of West China University of Medical Sciences = Huaxi Yike Daxue Xuebao
|February 26, 2003
Summary
Researchers successfully cloned and expressed the full-length human nerve growth factor (beta-NGF) gene in E. coli. This achievement enables further study into the biological functions of beta-NGF.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Human nerve growth factor (beta-NGF) plays crucial roles in neuronal development and function.
- Understanding the genetic basis and expression of beta-NGF is essential for therapeutic and research applications.
Purpose of the Study:
- To investigate the structure and function of human beta-nerve growth factor (beta-NGF).
- To clone and express the gene encoding human beta-NGF for further study.
Main Methods:
- Designed and synthesized specific primers for human beta-NGF sequence.
- Amplified the gene fragment using polymerase chain reaction (PCR) from human genomic DNA.
- Cloned the amplified fragment into expression vectors and transformed E. coli for protein expression.
Main Results:
- Confirmed the full-length human beta-NGF sequence through restriction analysis and DNA sequencing.
- Expressed the beta-NGF gene as a fusion protein in E. coli, verified by SDS-PAGE and Western blot.
- The expressed fusion protein demonstrated antigenic activities characteristic of NGF.
Conclusions:
- Successfully obtained a clone containing the full-length human beta-NGF sequence.
- Achieved successful expression of human beta-NGF in E. coli.
- The expressed protein is suitable for studying the biological functions of the human beta-NGF gene.