Featured series 
Tag: Ramesh Shivdasani
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Nation & World
Cells recall the way they were
Study in mice reveals that adult tissues retain a memory of which genes are activated during very early development, and that that memory can be recovered. Under certain conditions, adult cells play their developmental “movie” in a slow rewind, reactivating fetal genes. These findings have important implications for regenerative medicine and cancer research.
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Nation & World
Understanding how the intestine replaces and repairs itself
When working stem cells within the intestine are depleted, some types of mature cells can transform themselves into stem cells, replenishing the population.
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Nation & World
Scientists find molecular pathway suspected in precancerous stomach lesions
Ramesh Shivdasani, M.D., Ph.D., of Dana-Farber, said the finding “opens a window that could help us eventually interfere with these pathways when they become abnormal. It should give us a…