Featured series 
Tag: Raghu Kalluri
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Nation & World
Tumor cells can prevent tumor spread
A new study from Harvard-affiliated Beth Israel Deaconess Medical Center finds that a group of little-explored cells in the tumor microenvironment likely serves as an important gatekeeper against cancer progression and metastasis.
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Nation & World
Dinosaur protein preserved over time
Ancient protein dating back 80 million years to the Cretaceous geologic period has been preserved in bone fragments and soft tissues of a type of duck-billed dinosaur, according to a…
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Nation & World
Bone-marrow-derived stem cells can reverse genetic kidney disease
The discovery that bone-marrow derived stem cells can regenerate damaged renal cells in an animal model of Alport syndrome provides a potential new strategy for managing this inherited kidney disease…
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Nation & World
Many have ‘cancer,’ but few progress to true disease
Folkman and Kalluri suggest that most tumors don’t develop a blood supply that allows them to grow and progress to cancer, because people produce natural inhibitors of blood vessel growth,…
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Nation & World
Cell surface proteins can have pro- and anti-angiogenic face
Angiogenesis is the process by which cancer tumors develop a network of blood vessels to feed them, so that they may continue their growth. The strategy that cancer cells use…
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Nation & World
Researchers explain how protein inhibits growth of blood vessels
Thirty years ago, Judah Folkman, of Children’s Hospital Boston and Harvard Medical School, first developed the idea that cancerous tumors are dependent on the growth of small blood vessels. Since…