STOCKHOLM — The Nobel Prize in physiology or medicine was awarded Monday to Americans Victor Ambros and Gary Ruvkun for their discovery of microRNA, tiny pieces of genetic material that alter how genes work at the cellular level and could lead to new ways of treating cancer.

The Nobel Prize in physiology or medicine has been awarded to Americans Victor Ambros and Gary Ruvkun for their discovery of microRNA, tiny pieces of genetic material that alter how genes work at the cellular level.

STOCKHOLM—The Nobel Prize in medicine was awarded Monday to Americans Victor Ambros and Gary Ruvkun for their discovery of microRNA, a fundamental principle governing how gene activity is regulated. The Nobel Assembly said that their discovery is “proving to be fundamentally important for how organisms develop and function.” Ambros performed…

The Nobel Prize in physiology or medicine was awarded Monday to two Massachusetts professors — Victor Ambros and Gary Ruvkun — for their discovery of microRNA, tiny pieces of genetic material that alter how genes work at the cellular level and could lead to new ways of treating cancer. The Nobel Assembly at the Karolinska Institute, which awarded the prize,…

Price awarded to Americans Victor Ambros and Gary Ruvkun for their discovery of microRNA, tiny pieces of genetic material that alter how genes work at the cellular level and could lead to new ways of treating cancer

The scientists showed how microRNA is found in nearly all complex life forms and plays a fundamental role in regulating how organisms function. The discovery is likely to lead to new insights for medicine.

The Nobel Prize in medicine was awarded Monday to Americans Victor Ambros and Gary Ruvkun for their discovery of microRNA, a fundamental principle governing how gene activity is regulated. The Nobel Assembly said that their discovery is “proving to be fundamentally important for how organisms develop and function.” Ambros performed…