Effect of MT1-MMP deficiency and overexpression in corneal keratocytes on vascular endothelial cell migration and proliferation.

Effect of MT1-MMP deficiency and overexpression in corneal keratocytes on vascular endothelial cell migration and proliferation.
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DOI:
10.1080/02713680802461106
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发表时间:
2008-11
影响因子:
2
通讯作者:
Chang JH
Chang JH
中科院分区:
医学4区
文献类型:
--
作者:
Azar DT;Casanova FH;Mimura T;Jain S;Chang JH

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目的:探讨角膜基质细胞来源的MT1-MMPs对小牛肺动脉内皮细胞(CPAE)增殖和迁移的影响。从MT1-MMPK基因敲除小鼠(KO)和野生型小鼠(WT)获得角质形成细胞系。将WT或突变型MT1MMPDNA(ΔTC或E240A)导入WT角质形成细胞。检测角膜细胞条件培养液对CPAE增殖和迁移的影响。KO角质形成细胞条件培养液对细胞增殖的促进作用最强(190.5±6.0%;P<0.01)。WT角质形成细胞条件培养液的CPAE增殖率(155.4±3.6%)高于WT/MT1-MMPs转染组(119.7±2.2%;P<0.001)。迁徙分析证实了这些发现。角质形成细胞来源的MT1-MMPs在CPAE细胞中具有抗血管生成作用。
To determine the effect of keratocyte-derived MT1-MMP on calf pulmonary artery endothelial cell (CPAE) proliferation and migration. Keratocyte lines were generated from MT1-MMP knockout (KO) and wild type (WT) mice. WT keratocytes were transfected with WT or mutant MT1-MMP DNAs (ΔTC or E240A). The effect of keratocyte-conditioned media on CPAE proliferation and migration was assayed. KO keratocyte conditioned media resulted in the greatest increase of CPAE cell proliferation (190.5±6.0%; P<0.01). WT keratocyte conditioned media showed higher CPAE proliferation (155.4±3.6%) than WT/MT1-MMP-transfected keratocytes (119.7±2.2%; P<0.001). Migration assays confirmed these findings. Keratocyte-derived MT1-MMP has anti-angiogenic effects in CPAE cells.
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发表时间: 2003-10-23
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