Serine Deficiency Exacerbates Inflammation and Oxidative Stress via Microbiota-Gut-Brain Axis in D-Galactose-Induced Aging Mice

Table 3

Effects of serine deficiency on activities of antioxidant enzymes and GSH concentration in the serum of D-galactose-induced aging mice.

Index	Control	SGD	D-gal	D-SGD
SOD (U/mL)	^a	^a	^b	^c
CAT (U/L)	^a	^a	^b	^c
GSH-Px (U/mL)	^a	^a	^b	^c
GSH (nmol/mL)	^a	^a	^b	^c

^a,b,cMean values within a row with unlike superscript letters were significantly different (). .