GO:1900408 negative regulation of cellular response to oxidative stress: Mechanism, Genes and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1900408 describes any process that stops, prevents or reduces the frequency, rate or extent of the cellular response to oxidative stress.
• The Nrf2-Keap1 pathway is the central antioxidant response system, and its negative regulation determines whether cells survive or succumb to oxidative damage.
• Negative regulation occurs through diverse mechanisms including deubiquitination, deSUMOylation, transcriptional repression, and redox-sensitive ubiquitin signaling.
• Dysregulation of this process is implicated in cardiac hypertrophy, cerebral ischemia-reperfusion injury, intestinal inflammation, and metabolic disorders.
• Key negative regulators include USP28, SENP6, the aryl-hydrocarbon receptor (AHR), Rad6, and p66(Shc)-SIRT1.
• CRISPR knockout, point mutation, knock-in, and overexpression models enable causal dissection of negative regulators in oxidative stress biology.
Description
Cellular response to oxidative stress is a fundamental protective program that cells activate when reactive oxygen species (ROS) accumulate beyond homeostatic thresholds. This response involves transcriptional activation of antioxidant enzymes, modulation of mitochondrial function, and adaptive changes in metabolism and survival signaling. However, uncontrolled or sustained activation of this response can itself be deleterious, and cells have therefore evolved dedicated mechanisms to stop, prevent, or reduce the oxidative stress response. The Gene Ontology term GO:1900408, negative regulation of cellular response to oxidative stress, captures this essential counter-regulatory layer. Understanding this process is critical because its dysregulation is linked to cardiovascular disease, neurodegeneration, inflammation, and metabolic disorders. The negative regulation of cellular response to oxidative stress operates through multiple molecular strategies. The Nrf2-Keap1 axis is the best-characterized antioxidant pathway, and its activity is tightly controlled by negative regulators that promote Nrf2 degradation, inhibit its nuclear translocation, or reverse its activating modifications. For example, SENP6-mediated deSUMOylation of Nrf2 exacerbates neuronal oxidative stress following cerebral ischemia and reperfusion injury, demonstrating that removal of SUMO groups can suppress antioxidant capacity. Similarly, cardiomyocyte-derived USP28 negatively regulates antioxidant response by deubiquitinating TRIM21, promoting cardiac hypertrophy. These examples illustrate that negative regulation is not a single mechanism but a network of post-translational, transcriptional, and signaling events. For researchers, GO:1900408 provides a conceptual framework to study how cells balance protection against oxidative damage with the risks of excessive antioxidant signaling. The term encompasses processes such as inhibition of adaptive responses to oxidative stress, downregulation of cellular response to oxidative stress, and negative regulation of adaptive response to oxidative stress. Investigating these mechanisms requires integrated approaches including CRISPR-based gene editing, transcriptomics, proteomics, and functional assays. This article synthesizes current knowledge on the genes, mechanisms, disease relevance, and research methods associated with GO:1900408.
negative regulation of cellular response to oxidative stress At A Glance
| GO ID | GO:1900408 |
|---|---|
| GO term | negative regulation of cellular response to oxidative stress |
| Ontology | biological_process |
| Synonym | down regulation of adaptive response to oxidative stress; down-regulation of adaptive response to oxidative stress; downregulation of adaptive response to oxidative stress; down regulation of cellular response to oxidative stress; down-regulation of cellular response to oxidative stress; downregulation of cellular response to oxidative stress; inhibition of adaptive response to oxidative stress; inhibition of cellular response to oxidative stress; negative regulation of adaptive response to oxidative stress |
| Major function | Stops, prevents or reduces the frequency, rate or extent of cellular response to oxidative stress |
| Related biological process | Cellular response to oxidative stress (GO:0034599) |
| Regulatory direction | Negative regulation |
| Key molecular players | Nrf2 (NFE2L2), KEAP1, USP28, SENP6, AHR, Rad6 (UBE2A), p66(Shc) (SHC1), SIRT1 |
| Disease relevance | Cardiac hypertrophy, cerebral ischemia-reperfusion injury, intestinal inflammation, metabolic disorders |
What Is GO:1900408?
GO:1900408, negative regulation of cellular response to oxidative stress, is defined as any process that stops, prevents or reduces the frequency, rate or extent of the cellular response to oxidative stress. In practical terms, it includes molecular events that dampen, delay, or shut down the cellular programs normally activated by ROS, such as antioxidant gene transcription, stress granule formation, and redox-sensitive signaling cascades. This term is a biological_process in the Gene Ontology and is distinct from positive regulation or the response itself.
Why Is negative regulation of cellular response to oxidative stress Important in Cell Biology?
GO:1900408 is critically important because the negative regulation of oxidative stress responses determines whether cells maintain redox homeostasis or shift toward pathological states. Excessive suppression of antioxidant defenses can lead to oxidative damage, ferroptosis, and inflammation, while insufficient negative regulation can cause chronic stress adaptation linked to hypertrophy and metabolic dysfunction. Understanding this process provides mechanistic insight into diseases where redox imbalance is a hallmark, and it identifies candidate targets for therapeutic intervention.
• Controls the duration and intensity of antioxidant responses to prevent both oxidative damage and excessive antioxidant signaling.
• Regulates Nrf2 activity through post-translational modifications including deubiquitination and deSUMOylation.
• Modulates stress granule dynamics and clearance via p62 ubiquitination, linking oxidative stress to proteostasis.
• Influences ferroptosis sensitivity in intestinal intraepithelial lymphocytes through AHR repression.
• Affects cardiac hypertrophy through USP28-mediated deubiquitination of TRIM21.
• Plays a role in cerebral ischemia-reperfusion injury via SENP6-mediated deSUMOylation of Nrf2.
• Involved in insulin resistance and metabolic disorders through miR-223/keap1-Nrf2 pathway modulation.
• Redox-sensitive E2 Rad6 controls cellular response to oxidative stress via K63-linked ubiquitination of ribosomes.
• p66(Shc)-SIRT1 regulation of oxidative stress protects against cardio-cerebral vascular disease.
• Provides a conceptual framework for CRISPR-based dissection of negative regulators in disease models.
What Happens During negative regulation of cellular response to oxidative stress?
Initiation: Sensing and Triggering Negative Regulation
In simple terms: Cells first detect that the oxidative stress response is active and then recruit factors that will shut it down.
Negative regulation of the cellular response to oxidative stress is initiated when specific signals indicate that the antioxidant response should be dampened. Mitochondrial reactive oxygen species (ROS) can regulate Nrf2, the master transcription factor of antioxidant response, in a feedback manner that ultimately limits its activity. In cardiomyocytes, USP28 is induced and acts as a negative regulator by deubiquitinating TRIM21, thereby promoting cardiac hypertrophy. Similarly, the aryl-hydrocarbon receptor (AHR) represses antioxidant programs in intestinal intraepithelial lymphocytes, preventing oxidative stress and ferroptosis. These examples show that initiation involves context-specific sensors and effectors that respond to redox status and cellular stress.
Post-translational Modification: Deubiquitination and DeSUMOylation
In simple terms: Enzymes add or remove small chemical tags on antioxidant proteins to switch their activity off.
A major mechanism of negative regulation is the reversal of activating post-translational modifications on antioxidant factors. SENP6-mediated deSUMOylation of Nrf2 removes SUMO groups, reducing Nrf2 activity and exacerbating neuronal oxidative stress following cerebral ischemia and reperfusion injury. Conversely, USP28 deubiquitinates TRIM21, which negatively regulates antioxidant response and promotes cardiac hypertrophy. Redox-sensitive E2 Rad6 controls cellular response to oxidative stress via K63-linked ubiquitination of ribosomes, demonstrating that ubiquitin signaling on ribosomes can modulate the oxidative stress response. These modifications provide reversible switches that fine-tune the intensity of antioxidant signaling.
Transcriptional Repression and Pathway Inhibition
In simple terms: Some negative regulators work by turning down the expression of antioxidant genes or blocking key transcription factors.
Transcriptional repression is another layer of negative regulation. The aryl-hydrocarbon receptor (AHR) represses antioxidant gene expression in intestinal intraepithelial lymphocytes, preventing oxidative stress and ferroptosis. In high glucose-treated HepG2 cells, the miR-223/keap1-Nrf2 pathway modulates oxidative stress and insulin resistance, where KEAP1 acts as a negative regulator of Nrf2 by promoting its degradation. These examples illustrate that negative regulation can occur at the level of gene expression, protein stability, and pathway crosstalk.
Stress Granule Dynamics and Proteostasis
In simple terms: Negative regulators also control how cells handle damaged proteins and RNA during oxidative stress.
NS1 binding protein regulates stress granule dynamics and clearance by inhibiting p62 ubiquitination, linking negative regulation of oxidative stress responses to proteostasis and RNA metabolism. Stress granules are cytoplasmic assemblies that form under oxidative stress, and their timely clearance is essential to avoid chronic stress adaptation. This mechanism demonstrates that negative regulation extends beyond antioxidant enzymes to include the machinery that manages stress-induced aggregates.
Resolution and Feedback to Survival or Death
In simple terms: Once the response is dampened, cells either recover or undergo death depending on the balance of signals.
The ultimate outcome of negative regulation is to resolve the oxidative stress response and restore homeostasis. p66(Shc)-SIRT1 regulation of oxidative stress protects against cardio-cerebral vascular disease, indicating that negative regulators can be protective in specific contexts. However, excessive negative regulation can lead to oxidative damage, ferroptosis, or inflammation, as seen when AHR represses antioxidant programs in intestinal lymphocytes. Thus, the balance between activation and negative regulation determines cell fate.
Key Genes Involved in GO:1900408 negative regulation of cellular response to oxidative stress
The following genes and proteins are experimentally implicated in the negative regulation of cellular response to oxidative stress, based on published literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| NFE2L2 (Nrf2) | Master transcription factor of antioxidant response; negatively regulated by Keap1, SENP6, and other factors | Central node for studying negative regulation; target of deSUMOylation and deubiquitination |
| KEAP1 | Negative regulator of Nrf2; promotes Nrf2 degradation | Key target for modulating antioxidant response in metabolic and oxidative stress models |
| USP28 | Deubiquitinates TRIM21; negatively regulates antioxidant response | Promotes cardiac hypertrophy; potential target in cardiovascular disease |
| TRIM21 | E3 ubiquitin ligase; substrate of USP28; involved in antioxidant response regulation | Mediates negative regulation of antioxidant response in cardiomyocytes |
| SENP6 | DeSUMOylates Nrf2; reduces Nrf2 activity | Exacerbates neuronal oxidative stress after cerebral ischemia-reperfusion injury |
| AHR (aryl-hydrocarbon receptor) | Represses antioxidant programs; prevents oxidative stress and ferroptosis | Critical for intestinal intraepithelial lymphocyte survival and ferroptosis resistance |
| UBE2A (Rad6) | Redox-sensitive E2 ubiquitin-conjugating enzyme; mediates K63-linked ubiquitination of ribosomes | Controls cellular response to oxidative stress via ribosomal ubiquitination |
| SHC1 (p66Shc) | Regulates oxidative stress and lifespan; interacts with SIRT1 | Protects against cardio-cerebral vascular disease |
| SIRT1 | Deacetylase; interacts with p66Shc to regulate oxidative stress | Modulates oxidative stress protection in cardiovascular and neurological contexts |
| SQSTM1 (p62) | Inhibited by NS1 binding protein; regulates stress granule dynamics and clearance | Links negative regulation to proteostasis and stress granule biology |
| NS1 binding protein | Inhibits p62 ubiquitination; regulates stress granule dynamics | Modulates stress granule clearance under oxidative stress |
| miR-223 | Modulates keap1-Nrf2 pathway; affects oxidative stress and insulin resistance | Potential therapeutic target in metabolic disorders |
| Mitochondrial ROS regulators | Regulate Nrf2 in physiology and pathology | Provide feedback control of antioxidant response |
| KEAP1-Nrf2 pathway components | Coordinate antioxidant gene expression | Central to negative regulation studies |
| Redox-sensitive E2 enzymes | Control ubiquitination of ribosomes | Link translation machinery to oxidative stress response |
| p66Shc-SIRT1 axis | Regulates oxidative stress protection | Implicated in cardio-cerebral vascular disease |
| AHR signaling components | Repress antioxidant response | Involved in intestinal inflammation and ferroptosis |
| SENP6-Nrf2 axis | DeSUMOylation and negative regulation | Target for neuroprotection in ischemia-reperfusion injury |
How Is negative regulation of cellular response to oxidative stress Regulated?
The negative regulation of cellular response to oxidative stress is itself regulated at multiple levels. Mitochondrial ROS can modulate Nrf2 activity in a feedback loop that adjusts the intensity of the antioxidant response. Post-translational modifications, including ubiquitination and SUMOylation, provide reversible switches: USP28 deubiquitinates TRIM21 to suppress antioxidant response, while SENP6 deSUMOylates Nrf2 to reduce its activity. Redox-sensitive E2 Rad6 controls K63-linked ubiquitination of ribosomes, linking translation to oxidative stress regulation. Additionally, the p66(Shc)-SIRT1 axis modulates oxidative stress protection in cardiovascular and neurological contexts. These regulatory layers ensure that the oxidative stress response is appropriately dampened when needed.
negative regulation of cellular response to oxidative stress and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| USP28 | Cardiac hypertrophy | Cardiomyocyte-specific knockout or overexpression in mouse models |
| SENP6 | Cerebral ischemia-reperfusion injury | Neuronal knockout or knock-in of SENP6 in ischemia models |
| AHR | Intestinal inflammation and ferroptosis | Intestinal intraepithelial lymphocyte-specific knockout |
| KEAP1 | Insulin resistance and metabolic disorders | HepG2 cells with KEAP1 knockout or miR-223 overexpression |
| SHC1 (p66Shc) | Cardio-cerebral vascular disease | p66Shc knockout or SIRT1 interaction mutants in vascular models |
Cardiovascular Disease and Cardiac Hypertrophy
Cardiomyocyte-derived USP28 negatively regulates antioxidant response and promotes cardiac hypertrophy via deubiquitinating TRIM21. This demonstrates that excessive negative regulation of antioxidant defense can drive pathological cardiac remodeling. p66(Shc)-SIRT1 regulation of oxidative stress protects against cardio-cerebral vascular disease, highlighting the protective role of balanced negative regulation in the vasculature. These findings suggest that targeting negative regulators such as USP28 could be a therapeutic strategy for cardiac hypertrophy.
Cerebral Ischemia-Reperfusion Injury and Neurodegeneration
SENP6-mediated deSUMOylation of Nrf2 exacerbates neuronal oxidative stress following cerebral ischemia and reperfusion injury. This indicates that negative regulation of Nrf2 through deSUMOylation worsens neuronal damage after stroke. The p66(Shc)-SIRT1 axis also protects against cardio-cerebral vascular disease, further linking negative regulation of oxidative stress to neurovascular health. Modulating SENP6 or Nrf2 SUMOylation may offer neuroprotective strategies.
Intestinal Inflammation and Ferroptosis
Repression of the aryl-hydrocarbon receptor prevents oxidative stress and ferroptosis of intestinal intraepithelial lymphocytes. AHR acts as a negative regulator of antioxidant programs, and its repression is necessary to avoid ferroptosis in these cells. This highlights the importance of negative regulation in maintaining immune cell survival in the gut and suggests that AHR modulation could influence intestinal inflammation.
Metabolic Disorders and Insulin Resistance
Ellagic acid ameliorates oxidative stress and insulin resistance in high glucose-treated HepG2 cells via the miR-223/keap1-Nrf2 pathway. KEAP1 is a negative regulator of Nrf2, and modulation of this pathway affects both oxidative stress and insulin sensitivity. This links negative regulation of oxidative stress response to metabolic disease and identifies miR-223 as a potential therapeutic target.
From negative regulation of cellular response to oxidative stress-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of USP28 reduce cardiac hypertrophy? | USP28 knockout in cardiomyocytes |
| Does SENP6 deSUMOylation of Nrf2 affect neuronal survival? | SENP6 knockout or point mutation in neurons |
| Does AHR repression prevent ferroptosis in intestinal lymphocytes? | AHR knockout in intestinal intraepithelial lymphocytes |
| Does KEAP1 mutation alter insulin resistance? | KEAP1 point mutation or knockout in HepG2 cells |
| Does Rad6-mediated ribosome ubiquitination control oxidative stress response? | Rad6 knockout or K63 ubiquitin mutant knock-in |
| Does p66Shc-SIRT1 interaction protect against vascular disease? | p66Shc knockout or SIRT1 knock-in models |
How to Study the negative regulation of cellular response to oxidative stress Process
| Method | What It Measures | Typical Application |
|---|---|---|
| CRISPR knockout | Loss-of-function effects on oxidative stress response | Testing causal role of USP28, SENP6, AHR |
| CRISPR point mutation | Specific amino acid changes in negative regulators | Dissecting deubiquitination or deSUMOylation sites |
| CRISPR knock-in | Tagged or mutant protein expression | Tracking Nrf2 SUMOylation or Rad6 ubiquitination |
| Overexpression | Gain-of-function effects | Assessing miR-223 or p66Shc impact on oxidative stress |
| RNA-seq | Transcriptional changes in antioxidant genes | Measuring Nrf2 target genes after SENP6 modulation |
| Proteomics | Protein ubiquitination and SUMOylation status | Identifying substrates of USP28 or SENP6 |
| ROS and lipid peroxidation assays | Oxidative stress and ferroptosis levels | Evaluating AHR repression in intestinal lymphocytes |
| Live-cell imaging | Stress granule dynamics and clearance | Studying NS1 binding protein and p62 |
CRISPR-Based Gene Editing for Causal Dissection
CRISPR knockout, point mutation, knock-in, and overexpression models are essential to determine whether candidate genes causally regulate the oxidative stress response. For example, USP28 knockout can test its role in cardiac hypertrophy, while SENP6 knockout or point mutation can assess Nrf2 deSUMOylation in neurons. AHR knockout in intestinal lymphocytes can reveal its role in ferroptosis prevention. These approaches provide direct evidence of gene function in the context of GO:1900408.
Transcriptomics and Proteomics
RNA-seq and proteomics can identify global changes in antioxidant gene expression and protein modifications upon manipulation of negative regulators. For instance, Nrf2 target gene expression can be measured after SENP6 modulation, and ubiquitination or SUMOylation status can be assessed by mass spectrometry. These methods reveal the downstream consequences of negative regulation.
Functional Assays for Oxidative Stress and Cell Fate
ROS measurement, lipid peroxidation assays, and ferroptosis detection are used to quantify oxidative stress levels. In intestinal intraepithelial lymphocytes, AHR repression prevents ferroptosis, which can be measured by lipid ROS and cell viability. In HepG2 cells, insulin resistance and oxidative stress markers are assessed after miR-223/keap1-Nrf2 modulation. These functional assays link molecular changes to cellular phenotypes.
Imaging and Stress Granule Analysis
Fluorescence microscopy can visualize stress granule dynamics and clearance, as shown for NS1 binding protein regulation of p62 ubiquitination. Live-cell imaging of GFP-tagged stress granule markers allows real-time assessment of negative regulation under oxidative stress. This method is particularly useful for studying proteostasis-related aspects of GO:1900408.
How CRISPR Can Be Used to Study GO:1900408 negative regulation of cellular response to oxidative stress
Knockout
CRISPR knockout is used to delete negative regulators such as USP28, SENP6, or AHR to determine whether their loss enhances or suppresses the oxidative stress response. For example, USP28 knockout in cardiomyocytes can test its role in cardiac hypertrophy, and AHR knockout in intestinal intraepithelial lymphocytes can assess ferroptosis sensitivity. Knockout models provide definitive loss-of-function evidence for GO:1900408.
Point Mutation
Point mutations can be introduced to disrupt specific post-translational modification sites. For instance, mutating the SUMOylation site on Nrf2 can prevent SENP6-mediated deSUMOylation and alter neuronal oxidative stress. Similarly, point mutations in TRIM21 can block USP28-mediated deubiquitination. These models are valuable for dissecting precise molecular mechanisms.
Knock-in
Knock-in of tagged or mutant proteins allows tracking of endogenous proteins and their modifications. A tagged Nrf2 knock-in can be used to monitor SUMOylation status in vivo, while a K63 ubiquitin mutant knock-in can reveal the role of Rad6-mediated ribosome ubiquitination. Knock-in models provide physiological context for negative regulation studies.
Overexpression
Overexpression of negative regulators or their targets can test gain-of-function effects. For example, overexpressing miR-223 modulates the keap1-Nrf2 pathway and affects insulin resistance in HepG2 cells, while overexpressing p66Shc or SIRT1 can alter oxidative stress protection in cardio-cerebral vascular disease models. Overexpression models complement knockout studies.
How EDITGENE Supports negative regulation of cellular response to oxidative stress Research
Researchers studying negative regulation of cellular response to oxidative stress-related genes often need to determine whether a candidate gene is causally involved in dampening antioxidant responses, and whether specific mutations or modifications alter this function. EDITGENE provides comprehensive CRISPR-based services to generate precisely engineered cell models for such investigations.
Contact EDITGENE today to design your custom CRISPR model for negative regulation of cellular response to oxidative stress research.
Frequently Asked Questions About negative regulation of cellular response to oxidative stress
What is GO:1900408?
GO:1900408 is the Gene Ontology term for negative regulation of cellular response to oxidative stress, defined as any process that stops, prevents or reduces the frequency, rate or extent of the cellular response to oxidative stress.
What genes are involved in negative regulation of cellular response to oxidative stress?
Key genes include NFE2L2 (Nrf2), KEAP1, USP28, SENP6, AHR, UBE2A (Rad6), SHC1 (p66Shc), SIRT1, and SQSTM1 (p62).
How does Nrf2 negative regulation work?
Nrf2 is negatively regulated by KEAP1-mediated degradation, SENP6-mediated deSUMOylation, and other post-translational modifications that reduce its activity.
What diseases are linked to negative regulation of oxidative stress?
Cardiac hypertrophy, cerebral ischemia-reperfusion injury, intestinal inflammation, ferroptosis, insulin resistance, and cardio-cerebral vascular disease.
What is the role of USP28 in oxidative stress?
USP28 deubiquitinates TRIM21, negatively regulating antioxidant response and promoting cardiac hypertrophy.
How does SENP6 affect oxidative stress?
SENP6 deSUMOylates Nrf2, reducing its activity and exacerbating neuronal oxidative stress after cerebral ischemia-reperfusion injury.
What is the role of AHR in oxidative stress?
AHR represses antioxidant programs in intestinal intraepithelial lymphocytes, preventing oxidative stress and ferroptosis.
How can CRISPR be used to study negative regulation of oxidative stress?
CRISPR knockout, point mutation, knock-in, and overexpression models can test causal roles of genes like USP28, SENP6, and AHR in oxidative stress response.
What methods measure negative regulation of oxidative stress?
ROS assays, lipid peroxidation, RNA-seq, proteomics, and live-cell imaging of stress granules.
Why is negative regulation of oxidative stress important?
It prevents excessive antioxidant signaling and oxidative damage, and its dysregulation contributes to cardiovascular, neurological, and metabolic diseases.
Conclusion
GO:1900408, negative regulation of cellular response to oxidative stress, represents a critical counter-regulatory layer that fine-tunes antioxidant defenses. The Nrf2-Keap1 pathway is a central node, modulated by deubiquitination, deSUMOylation, and transcriptional repression. Key negative regulators such as USP28, SENP6, AHR, Rad6, and p66(Shc)-SIRT1 have been linked to cardiac hypertrophy, cerebral ischemia-reperfusion injury, intestinal inflammation, and metabolic disorders. Understanding these mechanisms requires integrated approaches including CRISPR-based gene editing, transcriptomics, proteomics, and functional assays. EDITGENE provides comprehensive services to generate knockout, point mutation, knock-in, and overexpression models, as well as CRISPR library screening and bioinformatics support, enabling researchers to dissect the negative regulation of oxidative stress response with precision.
References
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- 6. Ding X et al.. 2019. Ellagic acid ameliorates oxidative stress and insulin resistance in high glucose-treated HepG2 cells via miR-223/keap1-Nrf2 pathway.. Biomed Pharmacother 110:85-94 PMID: 30466006
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