IMAGE: Researchers at Washington University School of Medicine in St. Louis have found that when mature cells transition to begin dividing again, they all seem to do it the same way,… view more
Recent research at Washington University School of Medicine in St. Louis demonstrated that mature cells in the stomach sometimes revert back to behaving like rapidly dividing stem cells. Now, the researchers have found that this process may be universal; no matter the organ, when tissue responds to certain types of injury, mature cells seem to get younger and begin dividing rapidly, creating scenarios that can lead to cancer.
Older cells may be dangerous because when they revert to stem cell-like behavior, they carry with them all of the potential cancer-causing mutations that have accumulated during their lifespans. However, because mature cells in the stomach, pancreas, liver and kidney all activate the same genes and go through the same process when they begin to divide again, the findings could mean that cancer initiation is much more similar across organs than scientists have thought. That could support using the same strategies to treat or prevent cancer in a variety of different organs.
The findings about how mature cells begin
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