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浙江大学学报（农业与生命科学版）
Journal of Zhejiang University (Agriculture and Life Sciences)  2006, Vol. 32 Issue (1): 92-95    DOI:
    
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Published: 27 January 2006
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. null. Journal of Zhejiang University (Agriculture and Life Sciences), 2006, 32(1): 92-95.

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https://www.zjujournals.com/agr/     OR     https://www.zjujournals.com/agr/Y2006/V32/I1/92


瘢痕疙瘩皮损中抑制型SMAD mRNA的低表达

用定量Real-time PCR(LightCycler)法分别检测了瘢痕疙瘩,正常瘢痕及正常皮肤组织中不同类型的SMADs(SMAD2、3、4、6、7)mRNA的表达水平.结果显示抑制型SMADs(SMAD6、SMAD7)的mRNA水平在瘢痕疙瘩的组织中明显低于正常瘢痕(P＜0.01,P＜0.05)及正常皮肤组织(P＜0.01,P＜0.001).然而,其它类型的SMADs(SMAD2、3、4)mRNA的表达在瘢痕疙瘩,正常瘢痕以及正常皮肤组织中均无明显差异(P＞0.05).表明瘢痕疙瘩的皮肤组织中存在有抑制型SMADs(SMAD6、SMAD7)的mRNA水平表达的下调,此结果提示缺乏抑制型SMAD的负反馈抑制在瘢痕疙瘩的发病中可能起着重要的作用.
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