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Updated: May 3, 2026
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A Convenient and General Expression Platform for the Production of Secreted Proteins from Human Cells
Published on: July 31, 2012
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Structure, function, and recombinant production of EGFL7
Brennan McDonald1, Mirko H H Schmidt1
19169 Institute of Anatomy, Medical Faculty Carl Gustav Carus, Technische Universität Dresden School of Medicine, Fetscherstr. 74, D-01307 Dresden, Germany.
Biological Chemistry
|May 28, 2024
Summary
Epidermal growth factor-like protein 7 (EGFL7) is crucial for blood vessel formation and implicated in cancer. The baculovirus-based Sf9 insect cell system is optimal for producing active, stable recombinant EGFL7 for research.
Area of Science:
- Molecular Biology
- Biochemistry
- Cell Biology
Background:
- Epidermal growth factor-like protein 7 (EGFL7) is a secreted factor involved in angiogenesis, vasculogenesis, and neurogenesis.
- EGFL7 plays a role in pathological conditions such as tumor angiogenesis in human cancers.
- Understanding EGFL7's role in blood vessel formation is critical for therapeutic development.
Purpose of the Study:
- To review methods for producing recombinant EGFL7 protein.
- To compare the advantages and disadvantages of different expression systems for EGFL7 production.
Main Methods:
- Overview of EGFL7 genetics, structure, and function.
- Examination of three recombinant protein expression systems: *Escherichia coli* (E. coli), mammalian cells (HEK 293), and baculovirus-based Sf9 insect cells.
Main Results:
- Comparison of the suitability of E. coli, mammalian, and insect cell systems for EGFL7 production.
- Evaluation of yield, protein activity, conformation, and posttranslational modifications for each system.
Conclusions:
- The baculovirus-based Sf9 insect cell expression system is currently the most advantageous for producing active recombinant EGFL7.
- This system yields EGFL7 in a native conformation with appropriate posttranslational modifications, sufficient yield, and stability for experimental use.
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