Guide-molecule: Wherever new tissue is growing, vegf guides the new blood vessels. We have medicines that suppress vegf and slow cancers; they help in some cases. Good luck.
Answered 6/16/2013
5.8k views
Metastases are: A mystery, but there are clear events necessary. Establishing a blood supply that delivers nutrients and carts away metabolites seem necessary (some tumors grow nicely in anaerobis, acidic, toxic environs). The colony secretes a local paracrine stimulus to develop a blood supply. Vegf also seems critical in development embronically of the cardiovascular system.
Answered 6/26/2012
5.8k views
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