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. 2010 Jan 8;285(12):8894–8904. doi: 10.1074/jbc.M109.070854

FIGURE 1.

FIGURE 1.

PTP1B activity and expression in dark- and light- adapted wild-type mouse retinas. Retinas from each mouse were immunoprecipitated with anti-PTP1B antibody and measured for PTP1B activity (A). Mean (S.D.) PTP1B activity in dark-adapted retinas was significantly greater than the mean PTP1B activity in the light-exposed retinas (n = 4 for each group, p < 0.05). 20 μg of retinal proteins from dark- and light-adapted mouse retinas was immunoblotted with anti-PTP1B (B) and anti-actin (C) antibodies.