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#GreekScientists’ Discovery #Breakthrough makes reprogramming of cancer cells to healthy possible

Cancer researchers dream of the day they can force tumor cells to morph back to the normal cells they once were. Now, researchers have discovered a way to potentially reprogram cancer cells back to normalcy.

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The finding, published in Nature Cell Biology, represents “an unexpected new biology that provides the code, the software for turning off cancer,” says the study’s senior investigator, Panos Anastasiadis, Ph.D., chair of the Department of Cancer Biology on Mayo Clinic’s Florida campus.

That code was unraveled by the discovery that adhesion proteins — the glue that keeps cells together — interact with the microprocessor, a key player in the production of molecules called microRNAs (miRNAs). The miRNAs orchestrate whole cellular programs by simultaneously regulating expression of a group of genes. The investigators found that when normal cells come in contact with each other, a specific subset of miRNAs suppresses genes that promote cell growth. However, when adhesion is disrupted in cancer cells, these miRNAs are misregulated and cells grow out of control. The investigators showed, in laboratory experiments, that restoring the normal miRNA levels in cancer cells can reverse that aberrant cell growth.

Source: Discovery of new code makes reprogramming of cancer cells possible — ScienceDaily

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