Research Article

MicroRNA-Related Polymorphisms in PI3K/Akt/mTOR Pathway Genes Are Predictive of Limited-Disease Small Cell Lung Cancer Treatment Outcomes

Table 3

Survival analysis of miRSNPs in mTOR pathway in 134 patients with stage III small cell lung cancer.

Gene SNPModel5yOSHR (95% CI)Log-rank HR (95% CI) (adjusted) adjusted

VEGFA rs10434DOMGG (90)37.9%0.739 (0.424–1.288)0.2840.830 (0.468–1.472)0.5230.584
GA + AA (44)39.6%
DDIT4 rs1053639DOMAA (80)35.1%1.042 (0.622–1.744)0.8770.970 (0.573–1.639)0.9080.709
AT + TT (54)42.1%
MAPK1 rs1063311DOMCC (97)36.8%0.694 (0.366–1.315)0.2600.542 (0.308–0.953)0.1010.219
CT + TT (34)41.7%
PTEN rs11202607ADDCC (111)35.9%0.607 (0.260–1.416)0.2430.493 (0.208–1.169)0.1080.225
CT (22)58.5%
PIK3R1 rs12755RECCA + CC (123)36.2%0.360 (0.088–1.475)0.1550.242 (0.058–1.010)0.0520.161
AA (10)70.0%
MTOR rs2536ADDTT (108)43.1%1.978 (1.087–3.600)0.0262.039 (1.117–3.720)0.0200.103
TC (22)21.2%
VEGFA rs3025039DOMCC (80)42.9%1.127 (0.666–1.908)0.6551.185 (0.687–2.044)0.5410.592
CT + TT (52)33.4%
PIK3R1 rs3756668RECGA + GG (109)34.0%0.362 (0.155–0.845)0.0140.341 (0.146–0.797)0.0130.103
AA (23)49.5%
PTEN rs701848DOMTT (47)23.5%0.885 (0.504–1.556)0.6720.759 (0.423–1.362)0.3560.488
TC + CC (85)40.8%

Adjusted for age, gender, Karnofsky performance score (KPS), smoking history, and Charlson comorbidity index (CCI).
miRSNPs: miRNA-related single nucleotide polymorphisms; OS: overall survival; HR: hazard ratio; CI: confidence interval.
Reference sequences: VEGFA GenBank NG_008732; DDIT4 GenBank NM_019058; MAPK1 GenBank NG_023054; PTEN GenBank NG_007466; PIK3R1 GenBank NG_012849; MTOR GenBank NG_033239.