In a new step for Crispr, scientists have used the gene-editing tool to make personalized modifications to cancer patients’ immune cells to supercharge them against their tumors. In a small study published today in the journal Nature, a US team showed that the approach was feasible and safe, but was successful only in a handful of patients.
Cancer arises when cells acquire genetic mutations and divide uncontrollably. Every cancer is driven by a unique set of mutations, and each person has immune cells with receptors that can recognize these mutations and differentiate cancer cells from normal ones. But patients don’t often have enough immune cells with these receptors in order
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