Objective To study the correlation of silent information regulator of transcription 2(SIRT2) expression in osteoarthritis cartilage tissue with inflammatory reaction and bone destruction. Methods Knee osteoarthritis patients and knee joint injury patients underwent surgical treatment in our hospital during June 2015 to June 2017 were selected as OA group and control group. The articular cartilage was collected and the mRNA expression and protein positive rate of SIRT2 were measured. The joint fluid was coll...