3.

Statistical analysis for Fas and Fas-L positive cells

		F344	HLA-B27 + IgG 18ws	HLA-B27 + Ab 18ws	HLA-B27 + IgG 27ws	HLA-B27 + Ab 27ws
Fas	IEC	9.14 ± 5.06	18.01 ± 0.54*	5.30 ± 2.43§	15.69 ± 5.72*	5.64 ± 1.28§
LP		33.87 ± 7.59			19.85 ± 2.25*				26.07 ± 3.05§					21.33 ± 2.3*						27.57 ± 6.9
Fas-L	IEC	12.21 ± 3.49	5.59 ± 3.46*	3.77 ± 3.64*	3.94 ± 2.74*	7.31 ± 4.93*
LP		5.23 ± 1.36			13.48 ± 1.86**				14.2 ± 2.8					11.39 ± 2.14**						11.87 ± 2.23

Data are shown as means ± S.D. IEC = intestinal epithelial cells, LP = lamina propria. ^*P < 0.05, ^**P < 0.01 versus F344; ^§P < 0.05 versus IgG-treated HLA-B27 transgenic rats.