Effects of glycine on phagocytosis and secretion by Kupffer cells in vitro

Table 1 Effects of glycine on phagocytosis by Kupffer cells in vitro (mean ± SD)

Groups	Beads observed in Kupffer cells (n = 6)
	30 min	60 min
Control	16.9 ± 4.0	22.5 ± 7.9
G1	9.6 ± 4.1b	20.1 ± 5.8
G2	12.1 ± 5.7a	19.3 ± 4.8
G3	8.1 ± 3.2b	13.5 ± 4.7bc
G4	7.5 ± 2.0b	9.2 ± 3.1bd

^aP < 0.05,

^bP < 0.01 vs control;

^cP < 0.05,

^dP < 0.01 vs G1.

Table 2 Effects of glycine on tumor necrosis factor-α secretion and microtubule density of Kupffer cells in vitro (n = 6) (mean ± SD )

Groups	TNF-αdetected in medium (μg/mL)	Microtubule density of Kupffer cells
Control	0.26 ± 0.03	102.2 ± 23.7
G1	0.19 ± 0.03d	53.4 ± 10.5d
G2	0.16 ± 0.04d	54.1 ± 14.6d
G3	0.14 ± 0.03ad	64.9 ± 12.1d
G4	0.13 ± 0.05ad	52.1 ± 11.4d

^aP < 0.05 vs G1;

^dP < 0.01 vs control. TNF: Tumor necrosis factor.