Fig. 2From: Polymorphism of MMP-3 gene and imbalance expression of MMP-3 / TIMP-1 in articular cartilage are associated with an endemic osteochondropathy, Kashin- Beck diseaseThe immunohistochemical expression of MMP-3 and TIMP-1 in different layers of cartilage (Immunohistochemistry using the SP method, original magnification: ×100). A The cartilage of a KBD, B The cartilage of a OA; C The cartilage of a healthy control, D A negative control with PBS was used instead of the MMP-3 or TIMP-1primary antibodyBack to article page