Table 4.

Expression level of NF-κB mRNA (10x copies/ml)

Group	Normal	Model	Low	Middle	High
SMC	3.15±0.69	5.71±1.08**	4.67±0.44*	4.36±0.51	4.54±0.36 *
LPMC	3.06±0.62	5.36±0.40 ** ##	5.15±0.61 ** #	3.98±0.17	4.47±0.87
PBMC	3.38±0.72	5.68±0.76 ** #	4.90±0.37	4.04±0.57	4.18±0.47△

^*: P < 0.05,

^**: P < 0.01, compare with normal group;

^#: P < 0.05,

^##: P < 0.01, compare with middle group

^△: P < 0.05,compare with model group