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Deep in the bile ducts, researchers explore how cancer arises

A Wilmot Cancer Institute scientist discovered how gene mutations fuel the growth of bile duct cancer, a rare but aggressive type of liver cancer that has been on the rise in the U.S.

Aram Hezel, M.D., published the work in Cell Reports this week. The paper is significant because it details the cooperation of two known cancer genes, Arid1a and Kras, and how they disable tumor suppressor activity. When both genes are mutated—particularly Arid1a—the pathways that usually shut down tumor activity cannot perform.

The goal is to use the data to find drugs that could restore the normal function of a mutated Arid1a, to stop cancer’s growth. The pre-clinical investigation is specific to cholangiocarcinoma, can you split escitalopram also known as bile duct cancer, which is the second most common type of liver cancer.

Hezel has been pursuing this line of research for 12 years. He is the John and Ethel Heselden professor the University of Rochester Medical Center and chief of Hematology/Oncology at Wilmot.

Liver cancers include both hepatocellular carcinoma or cholangiocarcinoma. They can occur for a variety of reasons including cirrhosis due to alcohol abuse, liver disease due to diabetes or obesity, or viral liver infections.

What is the survival rate for bile duct cancer? Estimates are 25% if the disease is caught in early stages, and the survival rate drops to less than 10% if the cancer had already begun to spread, according to the American Society of Clinical Oncology.

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