c("cell line: osteosarcoma U2OS cell line", "antibody: anti-CTCF (Abcam, cat# ab70303, lot# GR98618-4)")
c("cell line: osteosarcoma U2OS cell line", "antibody: anti-CTCF (Abcam, cat# ab70303, lot# GR27477-7)")
c("cell line: osteosarcoma U2OS cell line", "antibody: anti-CTCF (Abcam, cat# ab70303, lot#s GR98618-4 and GR27477-7)")