GO:1902884 positive regulation of response to oxidative stress: Signaling Pathway, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1902884 describes any process that activates or increases the frequency, rate or extent of the response to oxidative stress, a biological_process ontology term.
• The term is central to redox biology because oxidative stress contributes to cancer, inflammation, metabolic disease, and aging [1, 4].
• Key regulators include NRF2, AMBRA1, USP7, DUB3, Wee1, Gtr1p, and microRNAs that modulate antioxidant gene expression [2, 3, 6, 8].
• Positive regulation can occur through transcriptional, post-translational, and signaling mechanisms, including deubiquitination and kinase-dependent control [2, 3].
• Model organisms such as Schizosaccharomyces pombe and Saccharomyces cerevisiae provide tractable systems to dissect this process genetically [3, 6].
• CRISPR knockout, point mutation, knock-in, and overexpression models enable causal testing of candidate regulators in human cells and animal models.
Description
GO:1902884, positive regulation of response to oxidative stress, is a Gene Ontology biological_process term that captures any process which activates or increases the frequency, rate, or extent of the cellular response to oxidative stress. Oxidative stress arises when reactive oxygen species (ROS) exceed the capacity of antioxidant defense systems, and the response to oxidative stress encompasses detoxification, repair, and adaptive signaling. Positive regulation of this response is therefore a critical layer of cellular protection and homeostasis, and its dysregulation is implicated in cancer, inflammatory disease, and aging [1, 4]. Understanding which genes and mechanisms positively regulate this response is essential for researchers in redox biology, drug discovery, and disease modeling [1, 2]. The term is defined in QuickGO as any process that activates or increases the frequency, rate or extent of response to oxidative stress, with synonyms including activation of response to oxidative stress and upregulation of response to oxidative stress. Because the response to oxidative stress is a broad biological process, positive regulators can act at multiple levels: sensing ROS, amplifying antioxidant gene transcription, stabilizing key effectors, or modulating signaling cascades [2, 3, 6]. This article synthesizes authoritative GO annotation with verified PubMed literature to provide a research-grade overview of GO:1902884, its mechanisms, key genes, disease relevance, and experimental approaches.
positive regulation of response to oxidative stress At A Glance
| GO ID | GO:1902884 |
|---|---|
| GO term | positive regulation of response to oxidative stress |
| Ontology | biological_process |
| Synonym | activation of response to oxidative stress; up regulation of response to oxidative stress; up-regulation of response to oxidative stress; upregulation of response to oxidative stress |
| Major function | Activates or increases the frequency, rate or extent of the response to oxidative stress |
| Definition source | QuickGO |
| Related process | Response to oxidative stress (GO:0006979) |
| Regulation direction | Positive (activation/upregulation) |
What Is GO:1902884?
In our own words, GO:1902884 refers to any biological process that enhances or increases the response to oxidative stress. This includes processes that boost the detection of ROS, strengthen antioxidant defense, promote repair of oxidative damage, or amplify adaptive signaling that helps cells survive and recover from oxidative insults. It is a positive regulatory term, meaning it specifically covers activation or upregulation events rather than the response itself or its negative regulation.
Why Is positive regulation of response to oxidative stress Important in Cell Biology?
Positive regulation of the oxidative stress response is important because it determines whether cells survive, adapt, or die under redox imbalance. This process is directly linked to cancer biology, where modulating oxidative stress can influence tumor initiation, progression, and therapy response. It also plays roles in inflammatory conditions, as shown by AMBRA1/USP7-mediated regulation of NRF2 in intestinal oxidative stress and colitis. In aging and age-related disease, natural compounds such as curcumin can modulate oxidative stress responses, highlighting the therapeutic potential of targeting this process. In plants, hydrogen sulfide crosstalk with ROS regulates oxidative stress responses, underscoring the evolutionary conservation of these mechanisms. In yeast, Wee1 and Gtr1p influence global transcriptional and signaling responses to oxidative stress, providing genetic entry points for mechanistic studies [3, 6]. Finally, microRNA-mediated regulation of oxidative stress and cytokines in Chlamydia trachomatis-infected recurrent spontaneous abortion illustrates the clinical relevance of this process in reproductive immunology.
• Cancer: oxidative stress modulation is an anticancer strategy, and positive regulators can affect tumor cell survival and drug sensitivity.
• Inflammation: AMBRA1 stabilization by USP7 promotes intestinal oxidative stress and colitis by antagonizing DUB3-mediated NRF2 deubiquitination.
• Aging: curcumin and related compounds influence oxidative stress and aging pathways, linking this GO term to geroscience.
• Plant biology: hydrogen sulfide crosstalk with ROS regulates oxidative stress responses in plants, relevant to crop stress tolerance.
• Yeast genetics: Wee1 and Gtr1p are involved in oxidative stress response, offering model systems for mechanistic dissection [3, 6].
• Reproductive immunology: microRNA-mediated regulation of oxidative stress and cytokines is implicated in recurrent spontaneous abortion.
• Stress physiology: glucocorticoids enhance immune responses under day-night cycles and stress, connecting systemic stress to redox regulation.
• Drug discovery: targeting positive regulators of oxidative stress response may yield therapeutic strategies for redox-related diseases [1, 2].
• Biomarker development: genes in this pathway can serve as biomarkers for oxidative stress-related conditions [2, 8].
• CRISPR modeling: knockout, knock-in, and overexpression models enable causal validation of candidate regulators.
What Happens During positive regulation of response to oxidative stress?
ROS sensing and initial signaling
In simple terms: Cells first detect dangerous oxygen molecules and trigger a warning signal.
Positive regulation of the oxidative stress response begins with sensing reactive oxygen species (ROS) and initiating signaling cascades. In yeast, Wee1 absence alters the global transcriptional response to oxidative stress, indicating that cell cycle kinases can modulate the sensing and signaling phase. In plants, hydrogen sulfide crosstalk with ROS is part of the early signaling that shapes the oxidative stress response. These sensing events set the stage for downstream amplification of antioxidant defenses.
Transcriptional activation of antioxidant genes
In simple terms: The cell switches on genes that make protective antioxidant proteins.
A major mechanism of positive regulation is transcriptional activation of antioxidant and cytoprotective genes. NRF2 is a key transcription factor in this response, and its activity can be positively regulated by factors such as AMBRA1, which stabilizes NRF2 signaling through antagonizing DUB3-mediated deubiquitination. In Schizosaccharomyces pombe, Wee1 affects the global transcriptional response to oxidative stress, showing that transcriptional programs are central to this positive regulation. Curcumin has also been reported to modulate oxidative stress and aging pathways, in part through transcriptional effects.
Post-translational stabilization of key effectors
In simple terms: Proteins that protect the cell are made more stable so they last longer.
Positive regulation often involves post-translational modifications that stabilize or activate antioxidant effectors. The USP7-AMBRA1 axis promotes intestinal oxidative stress and colitis by stabilizing AMBRA1, which in turn antagonizes DUB3-mediated NRF2 deubiquitination. This illustrates how deubiquitination and protein stability control the intensity of the oxidative stress response. Such post-translational control allows rapid amplification of the response without new gene transcription.
Metabolic and redox feedback
In simple terms: The cell adjusts its metabolism to keep dangerous molecules in check.
Positive regulation also involves metabolic feedback that maintains redox balance. In Saccharomyces cerevisiae, Gtr1p is involved in the oxidative stress response, linking nutrient-sensing and metabolic signaling to redox regulation. In plants, hydrogen sulfide and ROS crosstalk integrates metabolic and redox signals to shape the stress response. These feedback mechanisms help cells adapt to sustained oxidative challenges.
Immune and systemic stress integration
In simple terms: The whole body's stress signals can boost the cell's defense against oxidative damage.
Systemic signals can positively regulate the oxidative stress response. Glucocorticoids enhance immune responses in a day-night cycle and stress-dependent manner, connecting systemic stress hormones to cellular redox regulation. In Chlamydia trachomatis-infected recurrent spontaneous abortion, microRNA-mediated regulation of oxidative stress and cytokines highlights how immune and redox pathways intersect. These examples show that positive regulation of oxidative stress response is not cell-autonomous but can be modulated by organism-level signals.
Key Genes Involved in GO:1902884 positive regulation of response to oxidative stress
The following genes and proteins have been experimentally implicated in positive regulation of the response to oxidative stress or closely related redox regulatory processes.
| Gene | Major Role | Research Relevance |
|---|---|---|
| NRF2 | Master transcription factor for antioxidant gene expression | Central node in oxidative stress response; target of AMBRA1/USP7 regulation |
| AMBRA1 | Stabilized by USP7; antagonizes DUB3-mediated NRF2 deubiquitination | Promotes intestinal oxidative stress and colitis |
| USP7 | Deubiquitinase that stabilizes AMBRA1 | Redox-induced stabilization of AMBRA1 in colitis |
| DUB3 | Deubiquitinase that targets NRF2 | Antagonized by AMBRA1, affecting NRF2 stability |
| Wee1 | Cell cycle kinase affecting global transcriptional response to oxidative stress | Absence alters oxidative stress response in S. pombe |
| Gtr1p | Involved in oxidative stress response in yeast | Links nutrient signaling to redox regulation |
| Curcumin (not a gene) | Natural compound modulating oxidative stress and aging | Studied for antioxidant and anti-aging effects |
| Hydrogen sulfide (H2S) | Gasotransmitter crosstalking with ROS in plants | Regulates plant oxidative stress response |
| Glucocorticoids | Stress hormones enhancing immune responses | Link day-night cycles and stress to redox regulation |
| MicroRNAs | Post-transcriptional regulators of oxidative stress and cytokines | Implicated in Chlamydia trachomatis-infected recurrent spontaneous abortion |
| KEAP1 | Negative regulator of NRF2 (implied by NRF2 pathway) | Context for NRF2 regulation in oxidative stress |
| NFE2L2 | Gene encoding NRF2 | Core antioxidant transcription factor |
| Cytokines | Immune mediators modulated by oxidative stress | Linked to reproductive immunology |
| ROS | Reactive oxygen species that trigger the response | Central to oxidative stress biology [1, 5] |
| Antioxidant enzymes | Detoxify ROS and restore redox balance | Downstream effectors of positive regulation |
| USP7-AMBRA1-DUB3 axis | Protein complex regulating NRF2 stability | Therapeutic target in colitis |
| Wee1 kinase | Cell cycle checkpoint kinase | Modulates transcriptional oxidative stress response |
| Gtr1p GTPase | Nutrient-sensing GTPase | Oxidative stress response in yeast |
How Is positive regulation of response to oxidative stress Regulated?
Positive regulation of the response to oxidative stress is itself controlled at multiple levels. The USP7-AMBRA1 axis stabilizes AMBRA1, which antagonizes DUB3-mediated NRF2 deubiquitination, thereby enhancing NRF2-dependent antioxidant responses. In yeast, Wee1 kinase activity influences the global transcriptional response to oxidative stress, indicating cell cycle-linked regulation. Gtr1p, a nutrient-sensing GTPase, is involved in the oxidative stress response in Saccharomyces cerevisiae, linking nutrient status to redox regulation. Systemic factors such as glucocorticoids can modulate immune and stress responses in a day-night-dependent manner, indirectly influencing oxidative stress pathways. MicroRNAs provide an additional layer of post-transcriptional regulation of oxidative stress and cytokines. These regulatory mechanisms ensure that the oxidative stress response is appropriately amplified and resolved.
positive regulation of response to oxidative stress and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| AMBRA1/USP7/DUB3 | Colitis and intestinal oxidative stress | Knockout or knock-in mouse models; intestinal organoids |
| NRF2 (NFE2L2) | Cancer and chemoresistance | CRISPR knockout in cancer cell lines; xenograft models [1, 2] |
| Wee1 | Oxidative stress response in yeast | Schizosaccharomyces pombe deletion mutants |
| Gtr1p | Oxidative stress response in yeast | Saccharomyces cerevisiae knockout strains |
| MicroRNAs | Recurrent spontaneous abortion | Patient-derived samples; miRNA mimics/inhibitors |
Cancer and oxidative stress modulation
Modulation of oxidative stress is an anticancer strategy, and positive regulators of the oxidative stress response can influence tumor cell survival, proliferation, and sensitivity to therapy. Because cancer cells often have altered redox balance, targeting pathways that positively regulate oxidative stress responses may provide therapeutic opportunities. NRF2 and its regulators, including the USP7-AMBRA1-DUB3 axis, are relevant to this context.
Inflammatory bowel disease and colitis
Redox-induced stabilization of AMBRA1 by USP7 promotes intestinal oxidative stress and colitis through antagonizing DUB3-mediated NRF2 deubiquitination. This directly links positive regulation of the oxidative stress response to inflammatory bowel disease pathogenesis. The study highlights the USP7-AMBRA1-DUB3-NRF2 axis as a potential therapeutic target in colitis.
Reproductive immunology and recurrent spontaneous abortion
MicroRNA-mediated regulation of oxidative stress and cytokines has been studied in Chlamydia trachomatis-infected recurrent spontaneous abortion, suggesting that positive regulation of oxidative stress responses may contribute to reproductive pathology. This case-control study underscores the clinical relevance of redox-immune crosstalk in pregnancy.
Aging and age-related disease
Curcumin and aging research has explored how natural compounds modulate oxidative stress responses, linking this GO term to geroscience. Positive regulation of oxidative stress response may influence the rate of aging and the onset of age-related diseases.
From positive regulation of response to oxidative stress-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of a candidate gene increase or decrease oxidative stress response? | CRISPR knockout cell line (e.g., NRF2, AMBRA1) |
| Does a specific point mutation alter protein stability or function? | Point mutation knock-in via CRISPR |
| Does tagging a protein affect its localization during oxidative stress? | Tagged knock-in (e.g., GFP or HA tag) |
| Does overexpression of a regulator enhance antioxidant gene expression? | Overexpression cell model (e.g., AMBRA1, NRF2) |
| Which genes are essential for oxidative stress response in yeast? | Yeast deletion library screening [3, 6] |
| How do microRNAs modulate oxidative stress and cytokines? | miRNA mimic/inhibitor transfection in cell models |
How to Study the positive regulation of response to oxidative stress Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Global transcriptional changes | Identify oxidative stress response genes |
| Proteomics | Protein abundance and modifications | Study NRF2 stabilization and ubiquitination |
| ARE-luciferase reporter | NRF2 transcriptional activity | Screen positive regulators of antioxidant response |
| ROS detection assays | Intracellular ROS levels | Measure oxidative stress and response [1, 5] |
| CRISPR knockout screening | Gene essentiality for oxidative stress response | Discover novel regulators [1, 2] |
| Yeast deletion library | Growth under oxidative stress | Identify stress response genes [3, 6] |
| miRNA profiling | MicroRNA expression changes | Link miRNAs to oxidative stress and cytokines |
| Immunoblotting | Protein expression and modification | Validate NRF2, AMBRA1, USP7, DUB3 |
Transcriptomic profiling (RNA-seq)
RNA sequencing can measure global transcriptional changes in response to oxidative stress and identify positive regulators. In Schizosaccharomyces pombe, absence of Wee1 alters the global transcriptional response to oxidative stress, demonstrating the utility of RNA-seq in this context. In mammalian cells, RNA-seq can reveal NRF2 target gene signatures and the impact of regulators such as AMBRA1.
Proteomics and post-translational modification analysis
Proteomic approaches can detect changes in protein abundance, ubiquitination, and stability. The USP7-AMBRA1-DUB3 axis regulates NRF2 via deubiquitination, which can be studied by ubiquitination assays and mass spectrometry. Such methods are essential for understanding post-translational control of the oxidative stress response.
Reporter assays and imaging
Antioxidant response element (ARE) luciferase reporters and fluorescent ROS probes can quantify oxidative stress response activation in live cells. These assays are useful for testing positive regulators such as NRF2 and its modulators. Imaging of tagged proteins can reveal subcellular localization during oxidative stress.
Genetic screens and CRISPR libraries
CRISPR knockout and activation libraries enable unbiased discovery of positive regulators of the oxidative stress response. Yeast deletion libraries have been used to identify genes like Gtr1p involved in oxidative stress response. In human cells, genome-wide CRISPR screens can identify modulators of NRF2 activity and oxidative stress sensitivity [1, 2].
How CRISPR Can Be Used to Study GO:1902884 positive regulation of response to oxidative stress
Knockout
CRISPR knockout of candidate positive regulators such as NRF2, AMBRA1, USP7, or DUB3 can determine whether they are required for the oxidative stress response. For example, knocking out AMBRA1 or USP7 would test their role in NRF2 stabilization and colitis-associated oxidative stress. Knockout models are also useful in yeast to study Wee1 and Gtr1p [3, 6].
Point Mutation
Point mutation knock-in can dissect specific residues required for protein function, such as phosphorylation sites in Wee1 or ubiquitination sites in NRF2 [2, 3]. This approach allows precise structure-function analysis without confounding effects of complete gene loss.
Knock-in
Knock-in of tagged versions of proteins (e.g., GFP-AMBRA1 or HA-NRF2) enables localization and interaction studies under oxidative stress conditions. Knock-in of disease-associated variants can model human mutations affecting the oxidative stress response.
Overexpression
Overexpression of positive regulators such as AMBRA1 or NRF2 can enhance the oxidative stress response and protect cells from oxidative damage. Overexpression models are valuable for testing sufficiency and for drug screening aimed at boosting antioxidant defenses.
How EDITGENE Supports positive regulation of response to oxidative stress Research
Researchers studying positive regulation of response to oxidative stress-related genes often need to determine whether a candidate gene is causally involved in the process, and CRISPR-based models provide the most direct way to test this. EDITGENE offers a comprehensive suite of services to generate knockout, point mutation, knock-in, and overexpression cell models, as well as CRISPR library screening and bioinformatics support, enabling rigorous investigation of GO:1902884 and its regulators.
Contact EDITGENE today to design your custom CRISPR model for positive regulation of response to oxidative stress research.
Frequently Asked Questions About positive regulation of response to oxidative stress
What is GO:1902884?
GO:1902884 is the Gene Ontology term for positive regulation of response to oxidative stress, defined as any process that activates or increases the frequency, rate or extent of the response to oxidative stress.
What genes are involved in positive regulation of response to oxidative stress?
Key genes include NRF2, AMBRA1, USP7, DUB3, Wee1, and Gtr1p, as well as microRNAs and cytokines [2, 3, 6, 8].
How is positive regulation of response to oxidative stress studied?
Researchers use RNA-seq, proteomics, reporter assays, CRISPR screens, and yeast genetics to study this process [1, 2, 3, 6].
Why is positive regulation of response to oxidative stress important in cancer?
Modulating oxidative stress is an anticancer strategy, and positive regulators can influence tumor cell survival and therapy response.
What diseases are linked to GO:1902884?
Diseases include colitis, cancer, recurrent spontaneous abortion, and age-related conditions [1, 2, 4, 8].
What is the role of NRF2 in oxidative stress response?
NRF2 is a master transcription factor that activates antioxidant gene expression and is regulated by AMBRA1, USP7, and DUB3.
How does AMBRA1 regulate oxidative stress?
AMBRA1 is stabilized by USP7 and antagonizes DUB3-mediated NRF2 deubiquitination, promoting intestinal oxidative stress and colitis.
Can CRISPR be used to study oxidative stress response?
Yes, CRISPR knockout, knock-in, point mutation, and overexpression models are widely used to dissect this pathway [2, 3].
What model organisms are used to study oxidative stress response?
Saccharomyces cerevisiae and Schizosaccharomyces pombe are common models, along with mammalian cell lines and mouse models [3, 6].
What are the synonyms for GO:1902884?
Synonyms include activation of response to oxidative stress, up regulation of response to oxidative stress, up-regulation of response to oxidative stress, and upregulation of response to oxidative stress.
Conclusion
GO:1902884, positive regulation of response to oxidative stress, is a critical biological process that governs cellular adaptation to redox imbalance. Its mechanisms span ROS sensing, transcriptional activation, post-translational stabilization, metabolic feedback, and systemic integration, with key roles for NRF2, AMBRA1, USP7, DUB3, Wee1, and Gtr1p [2, 3, 6]. Dysregulation of this process is linked to cancer, colitis, reproductive disorders, and aging, making it a compelling target for therapeutic intervention [1, 2, 4, 8]. CRISPR-based models and bioinformatics tools from EDITGENE empower researchers to causally test candidate regulators and advance our understanding of this fundamental pathway.
References
- 1. Gorrini C et al.. 2013. Modulation of oxidative stress as an anticancer strategy.. Nat Rev Drug Discov 12(12):931-47 PMID: 24287781
- 2. Xu W et al.. 2025. Redox-Induced Stabilization of AMBRA1 by USP7 Promotes Intestinal Oxidative Stress and Colitis Through Antagonizing DUB3-Mediated NRF2 Deubiquitination.. Adv Sci (Weinh) 12(12):e2411320 PMID: 39887666
- 3. Datta S et al.. 2022. Absence of Wee1 alters global transcriptional response to oxidative stress in Schizosaccharomyces pombe.. FEMS Microbiol Lett 369(1) PMID: 36413467
- 4. Shen LR et al.. 2013. Curcumin and aging.. Biofactors 39(1):133-40 PMID: 23325575
- 5. Liu Z et al.. 2024. Hydrogen Sulfide in the Oxidative Stress Response of Plants: Crosstalk with Reactive Oxygen Species.. Int J Mol Sci 25(3) PMID: 38339212
- 6. Sekiguchi T et al.. 2022. Involvement of Gtr1p in the oxidative stress response in yeast Saccharomyces cerevisiae.. Biochem Biophys Res Commun 598:107-112 PMID: 35158208
- 7. Shimba A et al.. 2020. Immune-enhancing effects of glucocorticoids in response to day-night cycles and stress.. Int Immunol 32(11):703-708 PMID: 32710629
- 8. Ray A et al.. 2024. MicroRNA mediated regulation of oxidative stress and cytokines in Chlamydia trachomatis-infected recurrent spontaneous abortion: A case-control study.. Am J Reprod Immunol 91(2):e13821 PMID: 38374806
