CD8-positive, alpha-beta memory T cell, Homo sapiens (sorting details: FACS bin for 0-10% expression of CCR7) modified with CRISPRi Sa-dCas9, transduced (lentivirus) with a guide library (MOI of 0.4), CD8-positive, alpha-beta memory T cell, Homo sapiens (sorting details: FACS bin for 90-100% expression of CCR7) modified with CRISPRi Sa-dCas9, transduced (lentivirus) with a guide library (MOI of 0.4)