Related Experiment Video
Updated: Jul 9, 2025

07:32
Bacterial Expression and Purification of Human Matrix Metalloproteinase-3 using Affinity Chromatography
Published on: March 30, 2022
4.6K
Expression and Purification of Active Monomeric MMP7
Kazuhiro Yamamoto1, Moe Isohata2, Shouichi Higashi3
1Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, UK.
Methods in Molecular Biology (Clifton, N.J.)
|December 1, 2023
Summary
Researchers developed a new method to produce active Matrix Metalloproteinase 7 (MMP7). Adding calcium chloride during refolding significantly boosted the yield of pure, active MMP7 for therapeutic research.
Area of Science:
- Biochemistry
- Molecular Biology
- Protein Chemistry
Background:
- Matrix Metalloproteinase 7 (MMP7) is the smallest MMP, involved in various physiological and pathological processes.
- Recombinant MMP7 production is crucial for functional studies and therapeutic inhibitor development.
- Existing recombinant MMP7 expression methods face challenges with low yields and purity.
Purpose of the Study:
- To establish an effective method for expressing and purifying an active form of MMP7.
- To improve the yield and purity of active, monomeric MMP7 for research applications.
Main Methods:
- Recombinant expression of MMP7 in E. coli.
- Optimization of the refolding process using high concentrations of CaCl2.
- Purification of active monomeric MMP7.
Main Results:
- A novel refolding strategy using high CaCl2 concentration was identified.
- This method effectively prevented non-specific binding and aggregation of MMP7.
- Significantly improved yields of active, monomeric MMP7 were achieved.
Conclusions:
- The described method provides an efficient way to obtain active MMP7.
- This advancement facilitates further research into MMP7's roles and the development of MMP7-targeted therapeutics.

