Results: PCCC had no gene mutation, and no significant immune reaction of foreign body was observed by histochemistry technique after it was implanted into muscular pocket.

• 结果：PCCC无致基因突变的作用，植入体内后组织学检查未见免疫排斥反应，只出现一过性的炎症反应，对肌肉无刺激作用。