The mRNA hybridization signal for Nav1.8 in DRG of group CCI and group APA was lower than that of group C.

• CCI组和APA组大鼠L4和L5DRGNav1 8杂交信号较C组明显降低 (P <0 0 1) ；两组间差异无显著性 (P >0 0 5 )。