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. 2017 Jun 20;73(1):11–20. doi: 10.1093/gerona/glx119

Figure 6.

Figure 6.

Dopamine (DA) D1 receptor expression. (A) Striatum D1 receptor expression was decreased in the calorie restriction (CR) and AL groups versus 12-month-old control group. One-way ANOVA ([F(2,38) = 3.59, p = .037], post hoc 12-month control vs AL, t = 2.01, p = .051; 12-month control vs CR, t = 2.58, *p = .01; AL vs CR, t = 0.64, ns). (B) Substantia nigra D1 receptor expression was significantly decreased (~25%–30%) in the CR and AL groups versus 12-month-old control group. One-way analysis of variance ([F(2,35) = 4.83, p = .01], post hoc 12-month control vs AL, t = 2.94, **p = .006; 12-month control vs CR, t = 2.46, *p = .019; AL vs CR, t = 0.56, ns).