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. Author manuscript; available in PMC: 2009 Nov 25.
Published in final edited form as: Nat Cell Biol. 2009 Apr 12;11(5):604–615. doi: 10.1038/ncb1866

Figure 4. UV irradiation leads to IGF-1R and GHR attenuation in quiescent and terminally differentiated cells.

Figure 4

A) Quiescent C5RO primary human fibroblasts were treated 6 days after transfer to 1% FCS medium and samples taken 6hrs post UV treatment. IGF-1R and GHR expression levels were normalized to Gapdh and gTUB. B) Primary rat neurons were treated with UV and IGF-1R and GHR expression was normalized to Hprt and Gapdh (FC = fold change compared to untreated controls; *=p<0.05, **=p<0.01, two-tailed t-test, error bars = SD; n=4; scale bar 25µm).