FFAR2 and Alzheimer disease: Conversely, the GPR43-OE group exhibited improved redox homeostasis, as evidenced by decreased MDA levels (0.15 ± 0.01 nmol/g vs. AD:0.23 ± 0.03 nmol/g; p < 0.05; Fig. 5C) and reduced lactate LDH release (0.57 ± 0.05 U/g vs. AD:0.66 ± 0.06 U/g; p < 0.05; Fig. 5D).