Amino acid uptake in arterio-venous serum of normal and cancerous colon tissues

Table 3 Relationship between A-V amino acid uptake rates and Dukes stage in colon cancer

Amino acid	Dukes stage B		Dukes stage C or D		P value
	Sample number	R1 (%)	Sample number	R1 (%)
Threonine	10	35.75 ± 8.85	6	45.10 ± 7.10	0.476
Phenylalanine	10	24.26 ± 7.02	6	29.60 ± 6.47	0.616
Leucine	10	29.73 ± 9.68	6	47.93 ± 4.07	0.184
Isoleucine	9	22.74 ± 10.23	6	42.47 ± 4.41	0.158
Methionine	10	2.44 ± 6.39	6	26.72 ± 8.30	0.036
Valine	10	34.85 ± 9.53	6	31.15 ± 3.37	0.776
Lysine	10	20.10 ± 11.03	6	34.34 ± 4.90	0.356
Histidine	10	25.32 ± 8.83	6	37.35 ± 5.08	0.341
Proline	6	-2.70 ± 6.43	5	17.50 ± 7.25	0.066
Glutamine	10	26.30 ± 9.92	6	6.02 ± 10.95	0.209
Ammonia	10	5.44 ± 7.74	6	3.47 ± 10.07	0.879
Alanine	10	21.57 ± 9.65	6	12.50 ± 6.66	0.516
Glycine	10	29.37 ± 8.65	6	28.87 ± 15.91	0.976
Cystine	9	11.46 ± 10.67	6	16.73 ± 6.03	0.715
Arginine	10	23.12 ± 13.84	6	38.85 ± 4.80	0.409
Serine	10	34.32 ± 9.75	6	42.16 ± 12.82	0.632
Tyrosine	10	23.08 ± 7.78	6	31.74 ± 4.30	0.432