Research Article

PPAR-γ Ligand Inhibits Nasopharyngeal Carcinoma Cell Proliferation and Metastasis by Regulating E2F2

Table 1

Expressions of E2F2 and PPAR-γ in clinical samples of undifferentiated NPC and NPG and associations with clinicopathological characteristics of undifferentiated NPC samples.

 ParameterNE2F2NPPAR-γ
Low expressionHigh expressionP valueLow expressionHigh expressionP value

Histologic type<0.01<0.01
NPC5219 (36.54)33 (63.46)5237 (71.15)15 (28.85)
NPG3428 (82.35)6 (17.65)348 (23.53)26 (76.47)
Gender0.8680.377
Male3914 (35.90)25 (64.10)3929 (74.36)10 (25.64)
Female135 (38.46)8 (61.54)138 (61.54)5 (38.46)
Age (y)0.2530.1
<502210 (45.45)12 (54.55)2213 (59.09)9 (40.91)
≧50309 (30.00)21 (70.00)3024 (80.00)6 (20.00)
T classification0.4570.33
I-II3514 (40.00)21 (60.00)3523 (65.71)12 (34.29)
III-IV175 (29.41)12 (70.59)1714 (82.35)3 (17.65
N classification0.0370.071
N0-N14018 (45.00)22 (55.00)4026 (65.00)14 (35.00)
N2-N3121 (8.33)11 (91.67)1211 (91.67)1 (8.33)
M classification0.0040.046
M04219 (45.24)23 (54.76)4227 (64.29)15 (35.71)
M1100 (0)10 (100)1010 (100)0 (0)

E2F2 low expression: IOD/Area<0.02; high expression: IOD/Area0.02.
PPAR-γ low expression: IOD/Area<0.02; high expression: IOD/Area0.02.
Chi-square test.