Johns Hopkins Kimmel Cancer Center researchers have learned that a common, cancer-linked gene thought to control blood vessel growth may not turn out to be useful as an effective target for cancer drug development. Their research, published in the October issue of Cancer Cell found that results of previous studies that pinned hope on the Id1 gene may not hold up in a mouse model thought to more accurately represent how humans get cancer.
The scientists began their study attempting to confirm previous work, including their own, suggesting that Id1 activation was an important step in tumor angiogenesis, a process that builds blood vessels needed for tumor growth.
In the earlier research on Id1, scientists used a mouse model in which tumor cells were injected directly into the animals to stimulate cancer growth: in effect, a tumor transplant. The tumors grew in the animals with Id1 activation while the injected tumors failed to grow in mice whose Id1 genes were inactivated.
Vanessa Wasta | EurekAlert!
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