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Updated: Jun 10, 2026

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods
07:49

Characterize Disease-related Mutants of RAF Family Kinases by Using a Set of Practical and Feasible Methods

Published on: July 17, 2019

[Construction and expression of eukaryotic expression vectors of full-length, amino-terminus and carboxyl-terminus

Zhuomin Wang1, Jun Chen, Haisu Wan

  • 1The Key Laboratory of Lung Cancer Molecular Biology in Sichuan Province, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China; Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenviroment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Anshan Road No.154, Heping District, Tianjin 300052, China.

Zhongguo Fei AI Za Zhi = Chinese Journal of Lung Cancer
|August 25, 2010
PubMed
Abstract

Insights

Researchers successfully created expression vectors for full-length and truncated Raf proteins. These vectors enable the study of Raf protein functions and regulation in human carcinomas.

Area of Science:

  • Molecular Biology
  • Cell Signaling

Context:

  • Raf is a crucial component of the Ras-Raf-MEK-ERK pathway, frequently hyperactivated in human carcinomas.
  • The precise biological roles and regulatory mechanisms of Raf remain incompletely understood.

Purpose:

  • To construct eukaryotic expression vectors encoding the full Raf-1 sequence, as well as truncated amino- and carboxyl-terminal regions.
  • To facilitate further investigation into Raf protein function and regulation.

Summary:

  • Gene recombination techniques were employed to create pCMV-Tag2b-Raf-1, pCMV-Tag2b-N-Raf, and pCMV-Tag2b-C-Raf expression vectors.
  • Restriction enzyme analysis and DNA sequencing confirmed vector integrity.
  • Western blot analysis demonstrated successful expression of the target fusion proteins in transiently transfected 293T cells.

Impact:

  • The successful construction and expression of these vectors provide essential tools for dissecting the complex roles of Raf in cellular signaling and disease.
  • This work lays the foundation for future studies on Raf-mediated oncogenesis and potential therapeutic targeting.

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