Journal
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
Volume 415, Issue 4, Pages 608-612Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2011.10.118
Keywords
Neuritin; HUVEC; Angiogenesis; MVD; Wound healing
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Funding
- National 973 Program of China [2004CB518605]
- National 863 Project of China [2006AA020501]
- National Key Sci-Tech Special Project of China [2008ZX10002-020]
- Shanghai Municipal Science and Technology Commission [03dz14086]
- National Natural Science foundation of China [30024001, 30771188]
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Neuritin (NRN1), a neurotrophic factor, plays an important role in neurite growth and neuronal survival. In this study, we identify a new function of neuritin as a novel angiogenic factor in vitro and in vivo. Recombinant neuritin protein had no effect on the proliferation and adhesion of human umbilical vein endothelial cells (HUVEC), but it dose-dependently increased endothelial cell migration. Furthermore, overexpression of neuritin significantly promoted tumor angiogenesis, and surprisingly, it inhibited tumor growth in a xenograft tumor model. Thus, our results indicate that neuritin may act as an important angiogenic factor and serve as a potential target for cancer therapy. (C) 2011 Elsevier Inc. All rights reserved.
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