Quantity of fat consumed predisposes cardiac tissues to greater metabolic risk than their level of saturation

Figures

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  Fig. 1. Panel A-H shows a bar chat of individual saturated fatty acids from the homogenates of the heart. Values are expressed in mean ± S.E.M of 5 rats where CC = Control Chow; HPFD = High Plant Fat Diet; HAFD = High Animal Fat Diet. *, # = p < 0.05 when values differ significantly from CC and HPFD respectively.

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  Fig. 2. Panel A-I shows a bar chart of individual unsaturated fatty acids from the homogenates of the heart. Values are expressed in mean ± S.E.M of 5 rats where CC = Control Chow; HPFD = High Plant Fat Diet; HAFD = High Animal Fat Diet. *, # = p < 0.05 when values differ significantly from CC and HPFD respectively.

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  Fig. 3. Bar chart showing ratios of saturated fatty acids to unsaturated fatty acids. Values are expressed in mean ± S.E.M of 5 rats where CC = Control Chow; HPFD = High Plant Fat Diet; HAFD = High Animal Fat Diet; SFA – saturated fatty acid; MUFA – monounsaturated fatty acid; PUFA – polyunsaturated fatty acid. *, # = p < 0.05 when values differ significantly from CC and HPFD respectively.

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  Fig. 4. Bar chart showing the total concentration of the 3 types of fatty acids; Values are expressed in mean ± S.E.M of 5 rats where CC = Control Chow; HPFD = High Plant Fat Diet; HAFD = High Animal Fat Diet; tSFA – total saturated fatty acid; tMUFA – total monounsaturated fatty acids; tPUFA – total polyunsaturated fatty acids *, # = p < 0.05 when values differ significantly from CC and HPFD respectively.

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  Fig. 5. Light micrographs at a magnification of ×100 showing a section of the heart after 17 weeks feeding. Panels A, D, G, and J represent the CC group; Panels B, E, H, and K represent the HPFD group and Panels C, F, I, and L represent the HAFD group. Panels A-F were stained with H&E while Panels G-I and J-L are DAB stains for FATP4 and CD36 detections respectively. Panels M and N are bar charts showing the level of expression of FATP4 and CD36 respectively as measured by image J. The blue arrows show the accumulation of fat cells while the black arrows show areas where inflammation occurred in the heart. Values expressed in mean ± S.E.M of 7 rats where CC = Control Chow; HPFD = High Plant Fat Diet; HAFD = High Animal Fat Diet. *, # = p < 0.05 when values differ significantly from CC and HPFD respectively.