Table 2.

Myeloperoxidase activity following Trinitrobenzene sulfonic acid treatment.

	Naïve	NMS‡
Baseline (n = 3)	0.852 ± 0.20	0.606 ± 0.25
1d post (n = 4)	6.43 ± 1.64	8.06 ± 0.77
4d post (n = 4)	4.75 ± 1.81	12.12 ± 3.81##

Myeloperoxidase (MPO) activity (expressed as U mg⁻¹ tissue weight) was measured in distal colon from naïve and NMS mice prior to (baseline) and following intracolonic instillation of 5 mg trinitrobenzene sulfonic acid (TNBS). Treatment with TNBS significantly increased MPO levels in both groups (p = 0.0071, two-way ANOVA). Naïve MPO levels peaked at 1d post-TNBS, while NMS MPO levels continued to increase at 4d post-TNBS. ##p < 0.01 vs. baseline, Bonferroni posttest. ‡ denotes NMS (neonatal maternal separation) mice that were separated from postnatal day 1–14.