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Oncotarget

p53’s Protective Role in Extrahepatic Biliary Precancerous Lesions

Nov 2, 2023
Explore the genetic factors contributing to extrahepatic biliary cancer, including the mutation of Kras and p53. Researchers discuss their study on the role of p53 in preventing the development of precancerous lesions. Learn about the protective function of p53 and its implications for biliary cancer progression.
05:17

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Quick takeaways

  • Mutation of the CRAS gene can lead to uncontrollable cell growth and tumor formation in extrahepatic biliary cancer.
  • Inactivation of the P53 gene alone is not sufficient for the progression of precancerous lesions into invasive biliary cancer.

Deep dives

Role of CRAS mutation in extra hepatic biliary cancer

Extra hepatic biliary cancer is a type of cancer that occurs outside the liver and typically involves the bile ducts. This type of cancer can also involve the gallbladder. One of the main genetic factors that contribute to this cancer is the mutation of the CRAS gene, which regulates cell growth and division. Mutated CRAS can cause cells to grow uncontrollably and form tumors.

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