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    Genetic switch turns tumor suppressor into oncogene in colorectal cancer

    Researchers from the School of Veterinary Medicine have shown that an enzyme that suppresses early-stage colorectal cancer switches to become an oncogene as the cancer progresses.

    Pinpointing how cancer cells turn aggressive

    Penn scientists have developed a new method for tracing the lineage and gene expression patterns of metastatic cancer at the single-cell level.

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