I am designing an experiment for intracellular cytokine staining. My question is, after culturing cells for 24-48 hours, can I use trypsin-EDTA on splenocytes to dettach cells?
Yes, you can use EDTA or trypsin to detach cells from a cell culture plate or flask. Most splenocytes, except macrophages and DCs, are loosely adherent so you can also pipette up/down to resuspend these cells.