Research Article

Tumor Suppressor Role of INPP4B in Chemoresistant Retinoblastoma

Table 2

Responsive gene selection (RGS) after INPP4B overexpression in etoposide-resistant Y79 cells. Genes with positive fold change (FC) values represent upregulated genes after INPP4B overexpression, while negative FC values indicate downregulated genes.

Gene symbolsDescription of upregulated DEGsFC-value
INPP4BTumor suppressor; involved in phosphatidylinositol signaling6.410.000
IER3Protects cells from fas or tumor necrosis factor type alpha induced apoptosis4.300.021
WNT11Implicated in oncogenesis and several developmental processes; member of the WNT gene family4.200.025
CAPGReversibly blocks the barbed ends of F-actin filaments in a Ca2+ and phosphoinositide-regulated manner4.000.021
RF00424Small cajal body-specific RNA 163.970.047
IL32Encodes a member of the cytokine family3.870.026
HSD17B2Enables estradiol 17-beta-dehydrogenase and testosterone dehydrogenase (NAD+) activity; involved in response to retinoic acid3.690.006
HCSTActivates phosphatidylinositol 3-kinase dependent signaling pathways; receptor complex may have a role in cell survival and proliferation3.520.037
MIR4521Reduces proliferation and invasion of medulloblastoma cells; induces programmed cell death via activation of caspase 3/73.510.044
SLC6A4Encodes an integral membrane protein that transports serotonin from synaptic spaces into presynaptic neurons3.090.034
LRTM2Predicted to be involved in axon guidance and negative chemotaxis2.710.035
TMBIM1Negative regulator of extrinsic apoptotic signaling pathway via death domain receptors2.400.003
CCDC153Protein coding; enables identical protein binding activity2.220.036
MYCLPredicted to enable DNA-binding transcription factor activity2.120.035
FBXO32Encodes a member of the F-box protein family1.890.030
IGSF5Predicted to enable PDZ domain binding activity and cell-cell adhesion1.710.047

Gene symbolsDescription of downregulated DEGsFC-value
HYAL3Regulates turnover of hyaluronan, which plays a critical role in biological like cell proliferation, migration and differentiation−4.820.004
ZFR2Predicted to enable single- and double-stranded RNA binding activity−4.090.031
GALPEncodes a member of the galanin family of neuro-peptides; may serve as a marker for neuroblastic tumors−3.960.014
IL34Cytokine that promotes the differentiation and viability of monocytes and macrophages through colony-stimulating factor-1 receptor−3.490.040
EMP1Potential biomarker for tumor diagnosis and prognosis of several cancers−3.450.045
FDCSPPotential contribution to tumor metastases by promoting cancer cell migration and invasion−2.920.048
NR4A2Encoded protein may act as a transcription factor−2.670.032
ZNF761Predicted to enable DNA-binding transcription factor activity−1.460.046