CD146 is required for VEGF-C-induced lymphatic sprouting during lymphangiogenesis.

CD146 is required for VEGF-C-induced lymphatic sprouting during lymphangiogenesis.
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CD146 是淋巴管生成过程中 VEGF-C 诱导的淋巴萌芽所必需的

DOI:
10.1038/s41598-017-06637-7
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发表时间:
2017-08-07
期刊:
影响因子:
4.6
通讯作者:
Yan X
Yan X
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Yan H;Zhang C;Wang Z;Tu T;Duan H;Luo Y;Feng J;Liu F;Yan X

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VEGF-C在发展和肿瘤进展过程中对淋巴管生成至关重要。众所周知,VEGFR-3是VEGF-C调节淋巴迁移和增殖的同源受体,但VEGF-C受体调节淋巴发芽(淋巴管生成的起始步骤)的作用尚不清楚。在这里,我们使用体外和体内方法来证明CD146作为VEGF-C的受体来调节淋巴管生成,特别是在发芽阶段。在机制上,CD146选择性地激活下游p38激酶,在VEGF-C刺激下,调节淋巴发芽。此外,CD146还可以激活ERK介导VEGF-C对淋巴内皮细胞后续增殖和迁移的调控。在斑马鱼胚胎中,CD146的敲低或功能障碍导致淋巴芽、毛细血管网、副索淋巴成管细胞(PL)和胸导管(TD)的发育缺陷,类似于VEGF-C的下调。总之,我们的数据揭示了CD146在淋巴管生成中介导VEGF-C信号通路的关键作用。
VEGF-C is essential for lymphangiogenesis during development and tumor progression. VEGFR-3 is the well-known cognate receptor of VEGF-C to regulate lymphatic migration and proliferation, but the receptor of VEGF-C in regulating lymphatic sprouting, the initiating step of lymphangiogenesis, still remains elusive. Here we use both in vitro and in vivo methods to demonstrate CD146 as a receptor of VEGF-C to regulate lymphangiogenesis, especially at the sprouting step. Mechanistically, CD146 selectively activates the downstream p38 kinase, upon VEGF-C stimulation, to regulate lymphatic sprouting. Moreover, CD146 can also activate ERK to mediate VEGF-C regulation of the subsequent proliferation and migration of lymphatic endothelial cells. In zebrafish embryos, knockdown or dysfunction of CD146 results in similar developmental defects in lymphatic sprouting, capillary network, parachordal lymphangioblast (PL), and thoracic duct (TD) similar to down-regulation of VEGF-C. Altogether, our data reveals a critical role of CD146 to mediate VEGF-C signaling pathway in lymphangiogenesis.
DOI: 10.1093/jnci/94.11.819
发表时间: 2002-06-05
期刊: JOURNAL OF THE NATIONAL CANCER INSTITUTE
影响因子: --
作者:
He, YL;Kozaki, KI;Alitalo, K
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期刊: NATURE IMMUNOLOGY
影响因子: 30.5
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