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Table 4 Functional studies of candidate genes

From: Discovery of genetic biomarkers contributing to variation in drug response of cytidine analogues using human lymphoblastoid cell lines

Gene symbol

Caspase-3/7 activity

Cancer-related Cignal Reporter Array

Wnt (TCF/LEF)

Notch (RBP-Jκ)

p53/DNA damage (p53)

TGFβ (SMAD2/3/4)

cell cycle (E2F/DP1)

NFκB (NFκB)

c-Myc (Myc/Max)

Hypoxia (HIF1A)

MAPK /ERK (Elk-1/SRF)

MAPK /JNK (AP-1)

PIGB

Decrease

No

No

No

No

No

Decrease

Decrease

No

Decrease

Decrease

ZADH2

Decrease

No

No

No

No

No

No

Increase

No

No

No

PSME3

Decrease

No

Increase

No

Decrease

No

No

Increase

Decrease

No

No

DOK6

Decrease

No

No

No

No

No

Decrease

No

No

No

Decrease

TGFBI

Decrease

No

No

Increase

No

No

Decrease

Decrease

Decrease

Decrease

Decrease

C14orf169

Decrease

No

Increase

Increase

No

No

Increase

Increase

No

Increase

Increase

TUSC3

Decrease

No

No

No

Decrease

Decrease

No

No

Decrease

No

No

RIS1 (TMEM158)

No

No

No

No

No

No

No

Increase

No

No

No

LNX2

No

No

No

No

No

No

No

No

No

Increase

No

SMC2

No

No

No

No

No

No

No

No

No

No

No

HLA-DRA

Decrease

No

Increase

No

No

No

Increase

No

No

No

No

  1. Functional characterization of 11 genes using the Cancer-related Cignal Reporter Array (SABioscience).
  2. Transcription factors for each signal pathway are listed in parenthesis. “Increase” means at least a 2-fold increase of luciferase activity in cells treated with specific siRNA compared with cells treated with negative control siRNA; while “decrease” indicates at least a 50% decrease of luciferase activity in control cells. “No” means no alteration in luciferase activity after siRNA knockdown.