Lemen Pan, Guanfeng Yu, Xiangjian Chen, Xiaoqiang Li
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引用次数: 4
Abstract
Angiogenesis is a physiological procedure during which the new blood vessels develop from the pre-existing vessels. Uncontrolled angiogenesis is related to various diseases including cancers. Clinical inhibition of undesired angiogenesis is still under investigation. We utilized nicotinic acid, a family member of the B-vitamin niacin (vitamin B3) that has been used in the prevention and treatment of atherosclerosis or other lipid-metabolic disorders, to treat human umbilical vein endothelial cells (HUVECs) and chick chorioallantoic membrane (CAM), and investigated its influence on angiogenesis in vitro and in vivo. We found that nicotinic acid could obviously inhibit HUVEC proliferation induced by vascular endothelial growth factor. Both the in vitro and in vivo assays showed that nicotinic acid could significantly inhibit the process of angiogenesis. To further investigate the mechanism underlying the effect of nicotinic acid on angiogenesis, we found that it might function via regulating the cytoskeleton arrangements, especially the rearranging the structures of F-actin and paxillin. In summary, we discovered that nicotinic acid could obviously inhibit the process of angiogenesis by changing the angiogenesis factor expression levels and inducing the cytoskeleton rearrangement of endothelial cells.
期刊介绍:
Organogenesis is a peer-reviewed journal, available in print and online, that publishes significant advances on all aspects of organ development. The journal covers organogenesis in all multi-cellular organisms and also includes research into tissue engineering, artificial organs and organ substitutes.
The overriding criteria for publication in Organogenesis are originality, scientific merit and general interest. The audience of the journal consists primarily of researchers and advanced students of anatomy, developmental biology and tissue engineering.
The emphasis of the journal is on experimental papers (full-length and brief communications), but it will also publish reviews, hypotheses and commentaries. The Editors encourage the submission of addenda, which are essentially auto-commentaries on significant research recently published elsewhere with additional insights, new interpretations or speculations on a relevant topic. If you have interesting data or an original hypothesis about organ development or artificial organs, please send a pre-submission inquiry to the Editor-in-Chief. You will normally receive a reply within days. All manuscripts will be subjected to peer review, and accepted manuscripts will be posted to the electronic site of the journal immediately and will appear in print at the earliest opportunity thereafter.