Research Article

Ubiquitin-Specific Peptidase 8 Modulates Cell Proliferation and Induces Cell Cycle Arrest and Apoptosis in Breast Cancer by Stabilizing Estrogen Receptor Alpha

Table 1

Clinicopathological characteristics correlate with USP8 expression.

CharacteristicLevelsLow expression of USP8High expression of USP8 value

N541542

T stage, n (%)T1127 (11.8%)150 (13.9%)0.377
T2324 (30%)305 (28.2%)
T373 (6.8%)66 (6.1%)
T416 (1.5%)19 (1.8%)

N stage, n (%)N0278 (26.1%)236 (22.2%)0.051
N1168 (15.8%)190 (17.9%)
N249 (4.6%)67 (6.3%)
N340 (3.8%)36 (3.4%)

M stage, n (%)M0440 (47.7%)462 (50.1%)0.443
M112 (1.3%)8 (0.9%)

Pathologic stage, n (%)Stage I88 (8.3%)93 (8.8%)0.142
Stage II324 (30.6%)295 (27.8%)
Stage III110 (10.4%)132 (12.5%)
Stage IV12 (1.1%)6 (0.6%)

Race, n (%)Asian25 (2.5%)35 (3.5%)<0.001
Black or African American132 (13.3%)49 (4.9%)
White354 (35.6%)399 (40.1%)

Age, n (%)≤60307 (28.3%)294 (27.1%)0.443
>60234 (21.6%)248 (22.9%)

Histological type, n (%)Infiltrating ductal carcinoma386 (39.5%)386 (39.5%)1.000
Infiltrating lobular carcinoma103 (10.5%)102 (10.4%)

PR status, n (%)Negative219 (21.2%)123 (11.9%)<0.001
Indeterminate1 (0.1%)3 (0.3%)
Positive301 (29.1%)387 (37.4%)

ER status, n (%)Negative176 (17%)64 (6.2%)<0.001
Indeterminate0 (0%)2 (0.2%)
Positive346 (33.4%)447 (43.2%)

HER2 status, n (%)Negative270 (37.1%)288 (39.6%)0.340
Indeterminate8 (1.1%)4 (0.6%)
Positive82 (11.3%)75 (10.3%)

PAM50, n (%)Normal23 (2.1%)17 (1.6%)<0.001
LumA237 (21.9%)325 (30%)
LumB79 (7.3%)125 (11.5%)
Her251 (4.7%)31 (2.9%)
Basal151 (13.9%)44 (4.1%)

Menopause status, n (%)Pre106 (10.9%)123 (12.7%)0.499
Peri17 (1.7%)23 (2.4%)
Post349 (35.9%)354 (36.4%)

Anatomic neoplasm subdivisions, n (%)Left282 (26%)281 (25.9%)0.975
Right259 (23.9%)261 (24.1%)

Radiation therapy, n (%)No221 (22.4%)213 (21.6%)1.000
Yes281 (28.5%)272 (27.6%)

OS event, n (%)Alive467 (43.1%)464 (42.8%)0.802
Dead74 (6.8%)78 (7.2%)

DSS event, n (%)Alive485 (45.6%)493 (46.4%)0.129
Dead50 (4.7%)35 (3.3%)

PFI event, n (%)Alive463 (42.8%)473 (43.7%)0.470
Dead78 (7.2%)69 (6.4%)

Age, median (IQR)58 (48, 66)58 (49, 68)0.084