Immunohistochemistry: TIMELESS (Abcam, ab72458, 1/200), CD8a (Servicebio, GB13429, 1/200), PD-L1 (Servicebio, GB11339A, 1/500), Ki-67 (Servicebio, GB111141, 1/500), Mouse secondary antibody (Servicebio, GB23301, 1/200), Rabbit secondary antibody (Servicebio, GB23303, 1/200).
Immunofluorescence: TIMELESS (Abcam, ab109512, 1/100), c-Myc (Abcam, ab32072, 1/100), CD8a (Servicebio, GB13429, 1/5000), Granzyme B (Abcam, ab255598, 1/2000), active caspase 3 (Servicebio, GB11532, 1/500), Hoechst 33342 (Beyotime, C1027, 1/100), CY3-TSA (Apex Bio, K1051, 1/200), Donkey Anti-Rabbit IgG H&L Alexa Fluor® 647 (Abcam, ab150075, 1/200).
Flow cytometry: PD-L1 (Cell Signaling Technology, #13684, 1/200), CD8a-PerCP/Cyanine5.5 (Clone 53-6.7, Biolegend 1007341/100), CD45-AF700 (Biolegend 103128, 1/80), Fixable Viability Dye eFluor™ 450 (Invitrogen, 1/500).