DNA sequencing reveals how rare cancer spread between twins before birth

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Health & Medicine United Kingdom

Two identical sisters came into the world carrying the same rare cancer. They lost their lives to an undifferentiated sarcoma, a soft-tissue cancer driven by a unique gene fusion (MN1::ZNF341). The story began before they were born, when pregnancy imaging picked up a tumor on Twin A's face. Then came the birth, when cancer deposits were found in both Twin A and Twin B. Researchers now had to work…

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