H&E stainings of tissues post-culture further showed a trend towards reduced necrotic tissue areas in agarose-embedded vs. collagen sponge-embedded tonsil pieces ( Figure S2 G-H ).
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The sentences
However, a slight trend toward improved T cell viability with IL-2 and IL-7, along with their relevance for CAR T cell function, led us to include IL-2 and IL-7 in subsequent experiments ( Figure S3 I-L ).