GDNF secreted from adipose-derived stem cells stimulates VEGF-independent angiogenesis

被引：32

作者：

Zhong, Zhaohui ^{[1
,2
]}

Gu, Huiying ^{[2
]}

Peng, Jirun ^{[3
,4
]}

Wang, Wenzheng ^{[1
]}

Johnstone, Brian H. ^{[5
,6
]}

March, Keith L. ^{[5
,6
,7
,8
]}

Farlow, Martin R. ^{[2
]}

Du, Yansheng ^{[2
,9
]}

机构：

[1] Peking Univ, Peoples Hosp, Dept Gen Surg, Beijing 100871, Peoples R China

[2] Indiana Univ Sch Med, Dept Neurol, Indianapolis, IN 46202 USA

[3] Capital Med Univ, Beijing Shijitan Hosp, Dept Surg, Beijing 100038, Peoples R China

[4] Peking Univ, Clin Med Coll 9, Beijing 100038, Peoples R China

[5] Indiana Univ Sch Med, Dept Med, Indianapolis, IN 46202 USA

[6] Indiana Univ Sch Med, Indiana Ctr Vasc Biol & Med, Indianapolis, IN 46202 USA

[7] Krannert Cardiovasc Res Inst, Indianapolis, IN 46202 USA

[8] Indina Univ Sch Med, VA Ctr Regenerat Med, Indianapolis, IN 46202 USA

[9] Purdue Univ, Sch Hlth Sci, W Lafayette, IN 47907 USA

来源：

ONCOTARGET | 2016年 / 7卷 / 24期

基金：

中国国家自然科学基金;

关键词：

ASC-CM; GDNF; VEGF; angiogenesis; hepatocellular carcinoma; VASCULAR NETWORK FORMATION; ENDOTHELIAL GROWTH-FACTOR; STROMAL CELLS; IN-VIVO; TUMOR MICROENVIRONMENT; NEUROTROPHIC FACTOR; PROGENITOR CELLS; OVARIAN-CANCER; TISSUE; INHIBITION;

D O I：

10.18632/oncotarget.9208

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Adipose tissue stroma contains a population of mesenchymal stem cells (MSC) promote new blood vessel formation and stabilization. These adipose-derived stem cells (ASC) promote de novo formation of vascular structures in vitro. We investigated the angiogenic factors secreted by ASC and discovered that glial-derived neurotrophic factor (GDNF) is a key mediator for endothelial cell network formation. It was found that both GDNF alone or present in ASC-conditioned medium (ASC-CM) stimulated capillary network formation by using human umbilical vein endothelial cells (HUVECs) and such an effect was totally independent of vascular endothelial growth factor (VEGF) activity. Additionally, we showed stimulation of capillary network formation by GDNF, but not VEGF, could be blocked by the Ret (rearranged during transfection) receptor antagonist RPI-1, a GDNF signaling inhibitor. Furthermore, GDNF were found to be overexpressed in cancer cells that were resistant to the anti-angiogenic treatment using the VEGF antibody. Cancer cells in the liver hepatocellular carcinoma (HCC), a non-nervous related cancer, highly overexpressed GDNF as compared to normal liver cells. Our data strongly suggest that, in addition to VEGF, GDNF secreted by ASC and HCC cells, may be another important factor promoting pathological neovascularization. Thus, GDNF may be a potential therapeutic target for HCC and obesity treatments.

引用

页码：36829 / 36841

页数：13

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