Featured series 
Tag: Kornelia Polyak
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Nation & World
Three Medical School faculty elected to NAS
Three Harvard Medical School scientists are among the 150 individuals recently elected to the National Academy of Sciences in recognition of their distinguished and continuing achievements in original research.
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Nation & World
9 Harvard researchers named AAAS Fellows
Nine Harvard researchers named fellows of the American Association for the Advancement of Science, for work ranging from studying neuromuscular control in mammals to the development of vaccine strategies to work in international law.
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Nation & World
New weapon against breast cancer
Levels of a molecular marker in healthy breast tissue can predict a woman’s risk of getting cancer, according to new research from the Harvard Stem Cell Institute.
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Nation & World
A marker for breast cancer
An international scientific collaborative led by the Harvard Stem Cell Institute’s Kornelia Polyak has discovered why women who give birth in their early 20s are less likely to develop breast cancer than women who don’t, triggering a search for a way to confer this protective state on all women.
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Nation & World
What’s behind aggressive breast cancer
Harvard scientists at Dana-Farber Cancer Institute have identified an overactive network of growth-spurring genes that drive stem-like breast cancer cells enriched in triple-negative breast tumors, a typically aggressive cancer that is highly resistant to current therapies.
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Nation & World
Flier hails new, cooperative era in Harvard science
Harvard Medical School Dean Jeffrey Flier Friday evening issued a call for new approaches to advance the fight against disease, embracing cross-institutional collaborations at Harvard as a way to bring…
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Nation & World
Subtle changes in normal genes implicated in breast cancer
Scientists found that benign cells surrounding breast cancers undergo epigenetic modifications. The altered gene function causes the microenvironment cells to signal proliferation and increased aggression in the breast tumor cells.…
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Nation & World
Breast cancers tied to brain survival
A gene produces a protein that evidently protects cancer cells in the same way it shields brain cells from damage caused by diseases like Alzheimer’s and strokes. “The same substance…