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Table 1 Summary table of the most important types of MMPs in RA and OA, their names, and the types of collagens they digest

From: Validation of a rapid collagenase activity detection technique based on fluorescent quenched gelatin with synovial fluid samples

Type of MMP

Secondary name

Target

MMP-1

Collagenase-1

Collagen types I and III

MMP-8

Collagenase-2

Collagen type I

MMP-9

Gelatinase-B

Gelatin, collagen IV

MMP-13

Collagenase-3

Collagen type II