A study of preoperative methionine-depleting parenteral nutrition plus chemotherapy in gastric cancer patients

Table 1 Changes in tumor cell cycle before and after treatment (mean ± SD)

Phase		sTPN+5-Fu (n = 5)	MetTPN+5-Fu (n = 8)
G0/G1	Before	67.10 ± 27.68	78.30 ± 11.01
	After	63.35 ± 28.72	83.45 ± 9.26
S	Before	22.22 ± 18.60	11.96 ± 6.41
	After	26.08 ± 26.02	9.25 ± 7.16
G2/M	Before	10.66 ± 9.87	8.49 ± 3.89
	After	8.56 ± 3.76	8.50 ± 4.17
S+G2/M	Before	32.88 ± 27.68	21.21 ± 7.18
	After	34.64 ± 28.76	18.85 ± 7.62

Table 2 Changes of serum protein levels before and after treatment (mean ± SD)

Serum-protein	sTPN+5-Fu (n = 7)		MetTPN+5-Fu (n = 8)
	Before	After	Before	After
TP (g/L)	69.86 ± 4.49	75.14 ± 4.85	68.75 ± 7.67	72.88 ± 3.94
Alb (g/L)	38.89 ± 5.95	42.29 ± 5.22	35.57 ± 4.98	37.85 ± 6.09
Tf (g/L)	2.68 ± 0.49	2.68 ± 0.36	2.20 ± 0.82	2.36 ± 0.44
PA (mg/L)	225.83 ± 44.36	312.43 ± 96.14	181.57 ± 49.85	219.88 ± 70.17

Table 3 Changes of serum Met and Cys levels before and after treatment (mean ± SD)

	sTPN+5-Fu (n = 7)		MetTPN+5-Fu (n = 8)
	Before	After	Before	After
Met (mmol/L)	36.53 ± 9.97	50.90 ± 18.96 a	35.26 ± 7.05	36.64 ± 10.27
Cys (mmol/L)	70.13 ± 22.79	56.23 ± 17.70	54.83 ± 14.12	57.21 ± 23.47

^aP ＜ 0.05 vs before the treatment.