I've been doing research lately on the effect of anti-angiogenesis on cancer growth. I'm sure there are a lot of studies on it, specfically for the VEGF inhibitors for lung and colorectal cancers. But that's not the only thing that is out there.
There are a lot of herbs that also seem to arrest tumor growth by killing off the arteries that feed it. One of them is the shark cartilage. The pioneer in this field is Dr. Folkman who even wrote a chapter in the the Harrison's textbook of Medicine.
I feel sorry for the sharks but the cartilage of sharks do have anti-angiogenic factors. We just need to come up with a good way of extracting it and using it for real patients not just on cells and animals. I guess you can't patent something like that until you make a synthethic version of it.
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