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. 2020 Jun 16;11:506. doi: 10.3389/fphys.2020.00506

Figure 9.

Figure 9

Principal Component Analysis discriminating female and male mouse lemurs before (CTL, red and green for females and males, respectively) and after (60% CR, orange and blue for females and males, respectively) a 2-week exposure to a 60% caloric restriction. Parameters indicative of energy balance (Body mass “BM”), metabolic activity (Cortisol “Cortisol,” Thyroxin “T4,” Mean EE over day “EE (day),” mitochondrial respiration (Oxydative coupling rate “OxCR”, Mitochondrial Reserve Capacity “MtRC,” Glycolytic Potential “GlcP”), Oxidative status (8-OHdG “8-OHdG,” Thiols “Thiols,” Glutathione Peroxydase “GPx”), sexual hormones (Estradiol “Estradiol,” Testosterone “Testosterone”) were included in the analysis. Individual plots are shown in (A) and grouped into sex*Diet. The contribution of each parameter is also represented by black arrows displaying the “Variable factor map.” Principal Component 1 (PC1) indicates ~31% of variability and Principal Component 2 (PC2) ~17%. (B) Table of correlation coefficients and corresponding p-values shows only the variables significantly contributing to the two first principal components of the analysis (Quantitative) and the discrimination of qualitative variables: CTL Females, 60%CR Females, CTL Males, 60%CR Males. *< 0.05, **< 0.01, ***< 0.001.