Bar Plot from Scientific Research

CD4 + T cells were cultured for 3 d on plate-bound anti-CD3epsilon and anti-CD28 antibodies, with ATRi or vehicle only added to cultures for the final 36 h. Graph of the abundance of p-CHK1 (S345) determined using immunoblots (example immunoblots below graph, sizes in kDa) (n = 4). p-CHK1 was normalized to tubulin and to the mean signal in Oxsr1 -/- Stk39 T243A/T243A RCE cells which was set to 1.

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