结论：P 53蛋白能够抑制人瘢痕疙瘩成纤维细胞端粒酶活性。
Conclusion: P53 protein significantly inhibits telomerase activity in human keloid fibroblasts.
结论P 53蛋白能够抑制人瘢痕疙瘩成纤维细胞MMP1、MMP3蛋白的表达。
Conclusion P53 can obviously inhibit MMP1 and MMP3 expression in human keloid fibroblasts.
方法：取瘢痕疙瘩和正常皮肤，采用组织块培养法进行成纤维细胞体外培养。
METHODS: Keloid and norm al skin tissue were collected for the fibroblasts in vitro using tissue-block cultivation.
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