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Furthermore, in situ hybridization analysis has revealed that MT1-MMP mRNA is expressed by fibroblasts surrounding tumour cells, indicating that increased expression of MT1-MMP by fibroblasts can contribute to tumour progression as a result of MMP-2 activation in the tumour cells. Considering the present in vitro and in vivo results, increased MMP-2 activity coupled with TIMP-2 and MT1-MMP expression by keloid fibroblasts can also contribute to invasion of keloid fibroblasts into surrounding non-keloid regions through ECM degradation, as similarly demonstrated in various tumours. ×¢£ºMMP-»ùÖʽðÊôµ°°×ø ¡£ TIMP-»ùÖʽðÊôµ°°×øÒÖÖÆ¼Á ECM-ϸ°ûÍâ»ùÖÊ ¶àлÁË |
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