Table III.

Comparison of Ngn1 and BMP4 protein expression levels in the different NSC groups.

Group	Ngn1	BMP4
CON	0.46±0.03	0.59±0.03
NC+N	0.58±0.02a	0.43±0.03a
NC+HIBD	0.67±0.02a,b	0.41±0.06a
siNSCs+N	0.39±0.04a–c	0.71±0.05a–c
siNSCs+HIBD	0.37±0.03a–c	0.77±0.01a–c

Data presented as relative optical density value (χ±s).

^aP<0.01 vs. CON group;

^bP<0.01 vs. NC+N group;

^cP<0.01 vs. NC+HIBD group. NSC, neural stem cell; CON, blank control group; NC, negative control plasmid-transfected cells; N, normal brain tissue; HIBD, hypoxic-ischemic brain damage tissue; siNSC, β-catenin small interfering RNA-transfected cell.