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ATR/Chk1 pathway associated proteins expressed in human ovarian cancer cell lines. (A) ATR, p-ATR, Chk1, and p-Chk1 levels evaluated by Western blot. (B) ATR, p-ATR, Chk1, and p-Chk1 expression relative to β-actin.
ATR, ataxia-telangiectasia and Rad3 related; Chk1, checkpoint kinase 1; p-ATR, phospho-ATR ser428; p-Chk1, phosphorylated Chk1.
