HCSGD entry for NOX4


1. General information

Official gene symbolNOX4
Entrez ID50507
Gene full nameNADPH oxidase 4
Other gene symbolsKOX KOX-1 RENOX
Links to Entrez GeneLinks to Entrez Gene

2. Neighbors in the network

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This gene isn't in PPI subnetwork.

3. Gene ontology annotation

GO ID

GO term

Evidence

Category

GO:0000166Nucleotide bindingTASmolecular_function
GO:0000902Cell morphogenesisIEA ISSbiological_process
GO:0001666Response to hypoxiaIEAbiological_process
GO:0005634NucleusIEAcellular_component
GO:0005739MitochondrionIEAcellular_component
GO:0005789Endoplasmic reticulum membraneIEAcellular_component
GO:0005925Focal adhesionIEAcellular_component
GO:0006954Inflammatory responseTASbiological_process
GO:0007569Cell agingIEA ISSbiological_process
GO:0008285Negative regulation of cell proliferationIEA ISSbiological_process
GO:0009055Electron carrier activityTASmolecular_function
GO:0014911Positive regulation of smooth muscle cell migrationIEAbiological_process
GO:0016021Integral component of membraneIEA TAScellular_component
GO:0016174NAD(P)H oxidase activityIEA TASmolecular_function
GO:0016175Superoxide-generating NADPH oxidase activityIEAmolecular_function
GO:0016324Apical plasma membraneIEAcellular_component
GO:0016491Oxidoreductase activityIEAmolecular_function
GO:0019826Oxygen sensor activityTASmolecular_function
GO:0020037Heme bindingTASmolecular_function
GO:0035051Cardiocyte differentiationIEAbiological_process
GO:0042554Superoxide anion generationIEA ISSbiological_process
GO:0043020NADPH oxidase complexIEAcellular_component
GO:0043065Positive regulation of apoptotic processIEAbiological_process
GO:0043406Positive regulation of MAP kinase activityIEAbiological_process
GO:0045453Bone resorptionIEAbiological_process
GO:0048471Perinuclear region of cytoplasmIEAcellular_component
GO:0050660Flavin adenine dinucleotide bindingTASmolecular_function
GO:0050667Homocysteine metabolic processIDAbiological_process
GO:0051496Positive regulation of stress fiber assemblyIEAbiological_process
GO:0051897Positive regulation of protein kinase B signalingIEAbiological_process
GO:0055114Oxidation-reduction processIDAbiological_process
GO:0070374Positive regulation of ERK1 and ERK2 cascadeIEAbiological_process
GO:0071320Cellular response to cAMPIEAbiological_process
GO:0071333Cellular response to glucose stimulusIEAbiological_process
GO:0071480Cellular response to gamma radiationIEAbiological_process
GO:0071560Cellular response to transforming growth factor beta stimulusIEAbiological_process
GO:0072341Modified amino acid bindingIDAmolecular_function
GO:0072593Reactive oxygen species metabolic processIDAbiological_process
GO:2000379Positive regulation of reactive oxygen species metabolic processIEAbiological_process
GO:2000573Positive regulation of DNA biosynthetic processIEAbiological_process
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4. Expression levels in datasets

  • Meta-analysis result

p-value upp-value downFDR upFDR down
0.08066325370.12397204510.59840403040.6771825970

  • Individual experiment result
    ( "-" represent NA in the specific microarray platform )

Data sourceUp or downLog fold change
GSE11954Down-0.7626372242
GSE13712_SHEARDown-1.6308329959
GSE13712_STATICDown-0.8437829068
GSE19018Down-0.0777373891
GSE19899_A1Up0.2501041790
GSE19899_A2Up0.0091396670
PubMed_21979375_A1Up0.1790445093
PubMed_21979375_A2Down-0.1127910945
GSE35957Up0.0563148670
GSE36640Down-0.1053074329
GSE54402Up1.3570038240
GSE9593Down-0.0496816090
GSE43922Up0.4455727180
GSE24585Up0.4877893791
GSE37065Up0.3499716762
GSE28863_A1Up0.2615190344
GSE28863_A2Up0.2722028091
GSE28863_A3Down-0.0994200094
GSE28863_A4Down-0.0620868949
GSE48662Up0.3844422607

5. Regulation relationships with compounds/drugs/microRNAs

  • Compounds

Not regulated by compounds

  • Drugs

Not regulated by drugs

  • MicroRNAs

    • mirTarBase

MiRNA_name

mirBase ID

miRTarBase ID

Experiment

Support type

References (Pubmed ID)

hsa-miR-148b-3pMIMAT0000759MIRT019477MicroarrayFunctional MTI (Weak)17612493
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    • mirRecord
No target information from mirRecord

6. Text-mining results about the gene

Gene occurances in abstracts of cellular senescence-associated articles: 17 abstracts the gene occurs.


PubMed ID of the article

Sentenece the gene occurs

27057461IFNgamma is capable of inducing expression of constitutively active NADPH oxidase NOX4 in tumor cells leading to generation of reactive oxygen species (ROS) damaging DNA, activation of DNA damage response and cell cycle arrest/premature cellular senescence
25982278IFNgamma induces oxidative stress, DNA damage and tumor cell senescence via TGFbeta/SMAD signaling-dependent induction of Nox4 and suppression of ANT2
25982278Using human and mouse normal and cancer cell models, we now show that TNFalpha and IFNgamma induce NADPH oxidases Nox4 and Nox1, reactive oxygen species (ROS), DDR signaling and premature senescence
25982278Unlike mouse tumor cells that required concomitant presence of IFNgamma and TNFalpha, short exposure to IFNgamma alone was sufficient to induce Nox4, Nox1 and DDR in human cells
25982278The expression of Nox4/Nox1 required Janus kinase (JAK)/signal transducers and activators of transcription (STAT) signaling and the effect was mediated by downstream activation of transforming growth factor-beta (TGFbeta) secretion and consequent autocrine/paracrine activation of the TGFbeta/Smad pathway
25982278In contrast to mouse B16 cells, inability of TC-1 cells to respond to IFNgamma/TNFalpha by DDR and senescence correlated with the lack of TGFbeta and Nox4 response, supporting the role of ROS induced by NADPH oxidases in cytokine-induced senescence
25526894Epigenetic mechanisms regulate NADPH oxidase-4 expression in cellular senescence
25526894Recent studies implicate the reactive oxygen species (ROS)-generating enzyme, NADPH oxidase 4 (Nox4) in cellular senescence
25526894In this study, we investigated potential mechanisms for epigenetic regulation of Nox4
25526894We observed constitutively high levels of Nox4 gene/protein and activity in a model of replication-induced cellular senescence of lung fibroblasts
25526894In replicative senescent fibroblasts, the Nox4 gene is enriched with the activation histone mark, H4K16Ac, and inversely associated with the repressive histone mark, H4K20Me3, supporting an active transcriptional chromatin conformation
25526894The Nox4 gene promoter is rich in CpG sites; mixed copies of methylated and unmethylated Nox4 DNA were detected in both nonsenescent and senescent cells
25526894Interestingly, the Nox4 gene is variably associated with specific DNA methyltransferases and methyl binding proteins in these two cell populations
25526894These results indicate a critical role for histone modifications involving H4K16Ac in epigenetic activation of the Nox4 gene, while the role of DNA methylation may be contextual
25526894Defining mechanisms for the epigenetic regulation of Nox4 will aid in the development of novel therapeutic strategies for age-related diseases in which this gene is overexpressed, in particular idiopathic pulmonary fibrosis and cancer
25311168Markedly elevated mRNA-levels of the constitutively active and reactive oxygen species-generating enzyme NOX4 were found in all evaluable FECD samples
25311168Consistent over-expression of NOX4 in FECD endothelial samples suggests a role as pathogenic factor and as a potential new treatment target in FECD
25033544NADPH oxidase NOX4 is a source of reactive oxygen species in many tissue of human body
25033544NOX4 products of activity are connected with various processes that take on the cellular and tissue level
25033544On the other hand NOX4 also stimulates to proliferation various types of cancer and primary cells, what promotes pathologies
25033544NOX4 participates in epithelial-mesenchymal transition, important for tumor cells invasion and metastasis
25033544Many research concern the role of NOX4 in the physiology and pathology of the cardiovascular system
25033544It was shown that NOX4 has an impact on vasoconstriction, atherosclerosis development, vascular cells hypertrophy, apoptosis and differentiation
25033544NOX4 plays both positive and negative role in the organism
25033544Better understanding of NOX4 regulation and its involvement in signaling pathways give a hope to control the development of many diseases
24727683We recently reported that indoxyl sulfate (IS), a uremic toxin, directly activates aryl hydrocarbon receptor (AhR) and generates oxidative stress through NADPH oxidase-4 in human umbilical vein endothelial cells (HUVECs)
24583638Finally, in cancer we show that Nox4 is increased in both human tumors and a mouse model of pancreatic cancer and specific Nox4 small-molecule inhibitors act synergistically with existing chemotherapic agents
23662809Evidence for novel aspects of Nox4 oxidase regulation of mitochondrial function and peroxide generation in an endothelial cell model of senescence
23662809Cellular aging appears to promote a Nox4 interaction with mitochondria that disrupts complex I in the electron transport chain and increases the detection of mitochondrial H(2)O(2)
23662809Nox4 appears to maintain a highly interconnected mitochondrial network, which may influence mitochondrial fission and/or fusion mechanisms in a manner that could be a contributing factor in the loss of replicative lifespan seen in senescence
23514110Mitochondrial respiratory chain complex I is inactivated by NADPH oxidase Nox4
23514110Nox4 (NADPH oxidase 4) induces cellular senescence in human endothelial cells; however, intracellular targets for Nox4 remained elusive
23514110In the present study, we show that Nox4 induces mitochondrial dysfunction in human endothelial cells
23514110Nox4 depletion induced alterations in mitochondrial morphology, stabilized mitochondrial membrane potential and decreased production of H(2)O(2) in mitochondria
23514110High-resolution respirometry in permeabilized cells combined with native PAGE demonstrated that Nox4 specifically inhibits the activity of mitochondrial electron transport chain complex I, and this was associated with a decreased concentration of complex I subunits
23514110These data suggest a new pathway by which sustained Nox4 activity decreases mitochondrial function
23385065Furthermore, the observed IL1- and TGFbeta-induced expression of NAPDH oxidase Nox4 indicates a mechanistic link between the senescence-associated secretory phenotype (SASP) and DNA damage signaling as a feature shared by development of all major forms of paracrine bystander senescence
23216904ROS-generating oxidases Nox1 and Nox4 contribute to oncogenic Ras-induced premature senescence
23216904Here, we show that through the Ras/MEK pathway, Ras oncogene up-regulated the expression of superoxide-generating oxidases, Nox1 in rat REF52 cells and Nox4 in primary human lung TIG-3 cells, leading to an increase in intracellular level of ROS
23216904Ablation of Nox1 and Nox4 by small interfering RNAs (siRNAs) blocked the RasV12 senescent phenotype including beta-galactosidase activity, growth arrest and accumulation of tumor suppressors such as p53 and p16Ink4a
23216904Furthermore, Nox1 and Nox4 siRNAs inhibited both Ras-induced DNA damage response and p38MAPK activation, whereas overexpression of Nox1 and Nox4 alone was able to induce senescence
21841319NOX2 and NOX4 were correlated with the late and slow phase and contributed greatly to EPCs senescence
21511256In young human umbilical vein endothelial cells, this miR is involved in a premature senescence-like phenotype through direct targeting of the NOX4 protein, implicated in cell senescence and aging
20523116NADPH oxidase 4 is an oncoprotein localized to mitochondria
20523116We found that NOX4 was overexpressed in the majority of breast cancer cell lines and primary breast tumors
20523116NOX4 was also overexpressed in ovarian tumors
20523116Overexpression of NOX4 in normal breast epithelial cells resulted in cellular senescence, resistance to apoptosis, and tumorigenic transformation
20523116Overexpression of NOX4 in already transformed breast tumor cells also showed increased tumorigenicity
20523116Strong evidence suggests that regulation of these processes occurs through NOX4 generation of ROS in the mitochondria
20523116We demonstrate that the NOX4 protein contains a 73 amino acid long mitochondrial localization signal at the N-terminus that is capable of transporting a passenger protein GFP into the mitochondria
20523116Together, this study provides evidence for an oncogenic function for NOX4 protein localized to mitochondria and suggests that NOX4 is a novel source of ROS produced in the mitochondria
19681754The NADPH oxidase Nox4 restricts the replicative lifespan of human endothelial cells
19681754In HUVECs (human umbilical vein endothelial cells), Nox4 is predominantly expressed, but its role in replicative senescence of HUVECs remains to be elucidated
19681754Using shRNA (small-hairpin RNA)-mediated knockdown of Nox4, implicating lentiviral vectors, we addressed the question of whether lifelong depletion of Nox4 in HUVECs would influence the senescent phenotype
19681754We found a significant extension of the replicative lifespan of HUVECs upon knockdown of Nox4
19681754Nox4 depletion had no discernable influence on the activity of MAPKs and stress-activated kinases, but reduced the degree of oxidative DNA damage
19681754These results suggest that Nox4 activity increases oxidative damage in HUVECs, leading to loss of replicative potential, which is at least partly independent of telomere attrition
16324151The superoxide-producing NAD(P)H oxidase Nox4 in the nucleus of human vascular endothelial cells
16324151The superoxide-producing NAD(P)H oxidase Nox4 was initially identified as an enzyme that is highly expressed in the kidney and is possibly involved in oxygen sensing and cellular senescence
16324151Here we show that Nox4 preferentially localizes to the nucleus of human umbilical vein endothelial cells (HUVECs), by immunocytochemistry and immunoelectron microscopy using three kinds of affinity-purified antibodies raised against distinct immunogens from human Nox4
16324151Silencing of Nox4 by RNA interference (RNAi) abrogates nuclear signals given with the antibodies, confirming the nuclear localization of Nox4
16324151The nuclear fraction of HUVECs exhibits an NAD(P)H-dependent superoxide-producing activity in a manner dependent on Nox4, which activity can be enhanced upon cell stimulation with phorbol 12-myristate 13-acetate
16324151Both basal and stimulated transcriptional activities are impaired by RNAi-mediated Nox4 silencing
16324151Thus Nox4 appears to produce superoxide in the nucleus of HUVECs, thereby regulating gene expression via a mechanism for oxidative stress response
10869423Renox is homologous to gp91(phox) (91-kDa subunit of the phagocyte oxidase), the electron-transporting subunit of phagocytic NADPH oxidase, and contains all of the structural motifs considered essential for binding of heme, flavin, and nucleotide
10869423NIH 3T3 fibroblasts overexpressing transfected Renox show increased production of superoxide and develop signs of cellular senescence
10869423Our data suggest that Renox, as a renal source of reactive oxygen species, is a likely candidate for the oxygen sensor function regulating oxygen-dependent gene expression and may also have a role in the development of inflammatory processes in the kidney
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