A PlGF-1 Derived Peptide Inhibits Angiogenesis via HIF-1β/VEGF Pathway

A PlGF-1 Derived Peptide Inhibits Angiogenesis via HIF-1β/VEGF Pathway
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PlGF-1 衍生肽通过 HIF-1β/VEGF 途径抑制血管生成

DOI:
10.1007/s10989-016-9567-z
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发表时间:
2017-09
影响因子:
2.5
通讯作者:
Ying Zheng
Ying Zheng
中科院分区:
生物学4区
文献类型:
--
作者:
Weijun Wang;Qing Gu;Xun Xu;Ying Zheng

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许多疾病都与血管生成有关。因此,抑制血管生成被认为是治疗这些疾病的一种方法。迄今为止,许多血管生成抑制剂来自大的血浆蛋白。本研究从人胎盘生长因子-1中分离到一个由21个氨基酸组成的多肽(命名为ZY 1),它可能是一种有效的血管生成抑制剂。我们的研究表明ZY 1通过抑制HUVECs的增殖、迁移和管腔形成来抑制体外血管生成。在鸡胚绒毛尿囊膜试验和荷瘤小鼠模型中观察ZY 1的体内抑制活性。此外,我们发现ZY 1通过减少HIF-1β的表达并随后减少其下游分子VEGF来抑制血管生成。因此,ZY 1肽具有抑制血管生成的作用,有可能成为一种新的抗血管生成的候选药物。
Many diseases are associated with angiogenesis. Therefore, inhibition of angiogenesis is deemed as a treatment for those diseases. To date, many angiogenesis inhibitors are from large plasma proteins. In this study we identified a 21-aa peptide (named peptide ZY1) from human placenta growth factor-1 and it may serve as a potent angiogenesis inhibitor. Our study demonstrated ZY1 inhibited angiogenesis in vitro by suppressing proliferation, migration and tube formation of HUVECs. The in vivo inhibition activity of ZY1 was observed in chicken chorioallantoic membrane assays and tumor-bearing mouse models. Moreover, we found ZY1 inhibited angiogenesis by decreasing the expression of HIF-1β and subsequently reducing its downstream molecule VEGF. In conclusion, peptide ZY1 can inhibit angiogenesis and may serve as an anti-angiogenesis drug candidate.
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