Art and Science of Laboratory Medicine

Art and Science of Laboratory Medicine

Tuesday, October 15, 2013

Aging tumor cells may be an effective cancer treatment

Scientists at the University of Massachusetts Medical School have shown that diffuse large B-cell lymphoma (DLBCL) may be susceptible to treatment by re-activating the normal aging program in tumor cells so they can no longer divide. The study, published in Nature Communications, details a novel, tumor-suppressive role for the Smurf2 protein—which typically plays an "enforcer" role in cellular aging, also called senescence —in a subset of DLBCL. Identification of this novel function for Smurf2 provides a new therapeutic target for treating this cancer.
"Normally, this pathway is responsible for senescence and suppressing proliferation of B cells," said Hong Zhang, PhD, assistant professor of cell & developmental biology at UMMS and senior author of the study. "However, human DLBCL show low levels of Smurf2 expression; these low levels affect a pathway that encourages un-checked cell division and tumor growth. It's possible that restoration of Smurf2 expression may provide therapeutic benefits for patients and help encourage remission in difficult to treat cases."

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New evidence that aging tumor cells may be an effective cancer treatment




















Source: MedicalXpress
Image credits: Wikipedia

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