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[Construction and expression analysis of recombinant vector pcDNA3.1+-HIF-1alpha]
Rui-bin Fu1, Ping-sheng Wu, Tie-ying Dai
1Department of Cardiology, Nanfang Hospital, First Military Medical University, Guangzhou 510515, China. furb7@sohu.com
Di 1 Jun Yi Da Xue Xue Bao = Academic Journal of the First Medical College of PLA
|November 20, 2003
Summary
Researchers successfully created an expression vector for human hypoxia-inducible factor-1alpha (HIF-1alpha). This vector allows HIF-1alpha to be expressed in human embryonic kidney (HEK293) cells, advancing cancer research.
Area of Science:
- Molecular Biology
- Gene Expression
- Recombinant DNA Technology
Context:
- Hypoxia-inducible factor-1alpha (HIF-1alpha) is a key regulator of cellular response to hypoxia.
- Understanding HIF-1alpha's role is crucial for developing targeted therapies, particularly in oncology.
- Previous studies have focused on its function, but efficient expression vector construction is essential for further investigation.
Purpose:
- To construct a functional eukaryotic expression vector for the human HIF-1alpha gene.
- To verify the successful cloning and expression of HIF-1alpha in a mammalian cell line.
Summary:
- Human HIF-1alpha cDNA was amplified from HT29 cells using RT-PCR.
- The cDNA was cloned into the pcDNA3.1+ vector, creating the pcDNA3.1+ -HIF-1alpha construct.
- This recombinant vector was successfully transfected into HEK293 cells and demonstrated gene expression, confirmed by DNA sequencing and endonuclease digestion.
Impact:
- Provides a crucial tool for studying HIF-1alpha function in cellular and disease models.
- Facilitates research into hypoxia-driven processes and potential therapeutic interventions.
- Enables further investigation into the role of HIF-1alpha in various physiological and pathological conditions.