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. 2024 Jan 5;14:1297367. doi: 10.3389/fgene.2023.1297367

FIGURE 3.

FIGURE 3

Flow cytometry analysis of NHP cDNA transfectants with the indicated anti-Trop-2 mAbs. Transient transfectants of marmoset TROP2 cDNA were generated in HEK-293 cells. Human, baboon and rhesus/cynomolgus monkey TROP2 cDNA were stably transfected in COS-7 cells, following G418-selection and flow-cytometry sorting of expressing population. (A) Cells transfected with the human Trop-2 cDNA. (B) Cells transfected with the rhesus/cynomolgus monkey Trop-2 cDNA (C) Cells transfected with the baboon Trop-2 cDNA. (D) HEK-293 cells transiently transfected with the marmoset Trop-2 cDNA. Efficient binding of 2EF/Hu2EF-Alexa488 (red profiles) and 2G10/Hu2G10-Alexa488 (blue profiles) was found to all NHP Trop-2 transfectants. The Alexa488-tagged AbT16 anti-Trop-2 mAb (green profiles) was used as benchmark. (D) An irrelevant mAb was used as negative control (gray profile); (A) staining using the AF650 anti-Trop-2 goat pAb was used as a positive control (gray profile). Mock transfected cells are in magenta. Unstained cells are in black. Autofluorescence compensation was used in all analyses (Alberti et al., 1987).