Only minor, barely significant enhancements were observed on LS180 at early time points (0 or 6 h) and only at a 1:5 effector:target ratio, confirming that very early after detachment from HER2amp cancer cells most of the CEA-CAR activity is lost within few hours.
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Preclinical efficacy of a HER2 synNotch/CEA-CAR combinatorial immunotherapy against colorectal cancer with HER2 amplification.
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