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. 2016 Jan 12;2:15041. doi: 10.1038/celldisc.2015.41

Figure 4.

Figure 4

Skeletal muscle gene expression profiles are altered with XRCC1 deletion. (a) Muscle-specific gene markers myoD, myogenin are unaffected by XRCC1 expression, whereas Mef2c and MCK inductions are significantly reduced in XRCC1-deleted cells (n=3, two-tailed Student's t-test analysis with ***P-value<0.01, **P-value<0.025, *P-value<0.05). (b) p21 gene expression profile during early differentiation. Xrcc1flox/flox primary myoblasts infected with Ctl-ad (blue) or Cre-ad (red) and induced to differentiate up to 72 h displayed reduced p21 induction (c) ChIP-end point PCR of the p21 promoter region shows enhancement of XRCC1 binding during early differentiation of C2C12 cells compared with growth conditions (n=3). Caspase 3 inhibition (DEVD) leads to loss of XRCC1-p21 promoter binding. EF1alpha is used as a non-target genomic control for the ChIP experiment.