Overactive MMP9 is often linked to the spread of cancer (metastasis), rheumatoid arthritis, and cardiovascular issues.

MMP9 is essential for normal processes like bone growth and wound healing.

It is used as a reference number for Recombinant Human Anti-Matrix protein 1 , a soluble T-cell receptor used in viral research.

In historical pedigree records, the number has appeared in auction catalogs for Fasig-Tipton thoroughbred sales.

While the primary scientific reference is the siRNA catalog number, "156835" also appears in other specialized databases: