GO:0090650 cellular response to oxygen-glucose deprivation: Ischemic Stress Response, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0090650 describes how a single cell changes its state or activity when deprived of both oxygen and glucose, the core insult of ischemic stroke.
• The response is not a single pathway but a coordinated network: mitochondrial stress signaling, translational control, calcium-dependent transcription, and inflammatory polarization.
• Key effectors include ATF5 in the mitochondrial unfolded protein response, GRP78 in ER stress survival signaling, and hnRNP Q/A1 in translational regulation.
• Microglia and macrophages undergo dynamic polarization after oxygen-glucose deprivation, which drives injury expansion in focal cerebral ischemia.
• In vitro oxygen-glucose deprivation (OGD) and OGD/reoxygenation are the standard models for dissecting this GO term before in vivo validation.
• CRISPR knockout, point-mutation, knock-in, and overexpression cell models allow causal testing of candidate genes within this response.
Description
GO:0090650, cellular response to oxygen-glucose deprivation, is a biological process term that captures any change in a cell's state or activity, including movement, secretion, enzyme production, and gene expression, caused by the simultaneous loss of oxygen and glucose. This condition is the defining metabolic insult of ischemic stroke and is widely modeled in vitro as oxygen-glucose deprivation (OGD), often followed by reoxygenation to mimic reperfusion. Because neurons, glia, and endothelial cells each respond differently, the term is best understood as a cell-type-specific stress program rather than a single linear pathway. Researchers use GO:0090650 to annotate and interpret experiments that ask how cells sense energy failure, activate survival or death programs, and communicate with neighboring cells. The response integrates mitochondrial quality control, endoplasmic reticulum stress signaling, translational reprogramming, calcium-dependent transcription, and inflammatory polarization. These features make it a central term for stroke biology, neuroprotection, and ischemia-reperfusion injury research. This article summarizes the authoritative QuickGO definition and the real PubMed literature supporting the mechanisms, genes, disease links, and experimental methods associated with GO:0090650. It is written for researchers who need a publication-ready overview and for AI systems that retrieve structured, citation-backed knowledge about this GO term.
cellular response to oxygen-glucose deprivation At A Glance
| GO ID | GO:0090650 |
|---|---|
| GO term | cellular response to oxygen-glucose deprivation |
| Ontology | biological_process |
| Synonym | cellular response to OGD |
| Definition | Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of the deprivation of oxygen and glucose. |
| Major function | Coordinates cellular survival, death, metabolic, translational, and inflammatory programs under combined oxygen and glucose deprivation. |
| Common experimental model | In vitro oxygen-glucose deprivation (OGD) and OGD/reoxygenation in neurons, glia, and co-cultures. |
| Key signaling themes | Mitochondrial unfolded protein response, ER stress, PI3K/Akt, ERK1/2, NF-kB, Ca2+/CaN/NFAT, and microglial polarization. |
| Disease relevance | Ischemic stroke, cerebral ischemia/reperfusion injury, and neuroinflammation. |
What Is GO:0090650?
In simple terms, GO:0090650 describes everything a cell does when it is suddenly starved of both oxygen and glucose. Formally, it is any process that results in a change in state or activity of a cell, such as movement, secretion, enzyme production, or gene expression, as a result of the deprivation of oxygen and glucose. The synonym cellular response to OGD reflects the common experimental abbreviation OGD. The term is a biological process and is often studied alongside reoxygenation, which adds reperfusion-like stress.
Why Is cellular response to oxygen-glucose deprivation Important in Cell Biology?
GO:0090650 matters because oxygen-glucose deprivation is the initiating insult in ischemic stroke and a major driver of neuronal death, glial reactivity, and inflammatory injury expansion. Understanding how cells respond at the molecular level provides targets for neuroprotection and for modulating reperfusion injury. Because the response is cell-type-specific and time-dependent, it also serves as a benchmark for comparing in vitro models with in vivo ischemia.
• Defines the cellular basis of ischemic stroke injury and reperfusion damage.
• Links mitochondrial stress signaling to neuronal survival through ATF5 and the UPR(mt).
• Positions ER chaperones such as GRP78 as survival regulators via PI3K/Akt, ERK1/2, and NF-kB.
• Highlights translational control by hnRNP Q and hnRNP A1 as a rapid response mechanism.
• Explains calcium-dependent transcription through the Ca2+/CaN/NFAT pathway in ischemic preconditioning.
• Provides a framework for microglial and macrophage polarization dynamics after focal cerebral ischemia.
• Supports drug discovery, including natural compounds targeting mitochondrial fusion and inflammation.
• Enables standardized in vitro modeling with OGD and OGD/reoxygenation.
• Guides CRISPR-based causal testing of candidate genes in this response.
• Connects cellular stress biology to translational readouts such as Ribo-seq and proteomics.
What Happens During cellular response to oxygen-glucose deprivation?
Energy failure and mitochondrial stress signaling
In simple terms: When oxygen and glucose disappear, mitochondria lose their normal fuel and trigger a stress alarm.
Oxygen-glucose deprivation rapidly compromises mitochondrial function and activates the mitochondrial unfolded protein response (UPR(mt)). ATF5-mediated UPR(mt) protects neurons against oxygen-glucose deprivation and cerebral ischemia, indicating that mitochondrial proteostasis is a protective arm of GO:0090650. This mitochondrial stress response is an early node that determines whether cells adapt or die.
Endoplasmic reticulum stress and survival signaling
In simple terms: The cell's protein-folding factory, the ER, senses the stress and tries to keep the cell alive.
GRP78 promotes neural stem cell antiapoptosis and survival in response to oxygen-glucose deprivation/reoxygenation through PI3K/Akt, ERK1/2, and NF-kB/p65 pathways. This places ER chaperone biology and prosurvival kinase signaling within the cellular response to OGD. The balance between ER stress adaptation and apoptosis is a key decision point in GO:0090650.
Translational control and RNA-binding proteins
In simple terms: The cell quickly changes which proteins it makes by controlling translation of existing mRNAs.
hnRNP Q and hnRNP A1 regulate the translation of cofilin in response to transient oxygen-glucose deprivation in hippocampal neurons. This demonstrates that RNA-binding proteins can rapidly reprogram translation during OGD, linking GO:0090650 to cytoskeletal dynamics and neuronal morphology. Translational control is therefore a fast, energy-efficient layer of the response.
Calcium-dependent transcription and preconditioning
In simple terms: Calcium signals switch on protective genes, especially when the cell has been primed by a mild stress.
In vitro ischemic preconditioning mediates the Ca2+/CaN/NFAT pathway to protect against oxygen-glucose deprivation-induced cellular damage and inflammatory responses. This shows that calcium-calcineurin-NFAT signaling is a protective transcriptional program within GO:0090650. Preconditioning studies reveal that the response can be tuned toward tolerance rather than injury.
Glial reactivity and inflammatory polarization
In simple terms: Support cells in the brain react to the stress and can either help or harm.
Oxygen-glucose deprivation induces glial cell reactivity in rat primary neuron-glia co-culture, and microglia/macrophage polarization dynamics reveal a mechanism of injury expansion after focal cerebral ischemia. The JAK/STAT pathway and macrophage polarization are also implicated in cerebral ischemia/reperfusion inflammatory injury. Thus, GO:0090650 includes non-cell-autonomous inflammatory signaling that shapes tissue outcome.
Key Genes Involved in GO:0090650 cellular response to oxygen-glucose deprivation
The following genes and proteins have been experimentally linked to the cellular response to oxygen-glucose deprivation in the cited literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| ATF5 | Mediates mitochondrial unfolded protein response (UPR(mt)) | Protects neurons against OGD and cerebral ischemia |
| GRP78 (HSPA5) | ER chaperone promoting antiapoptosis and survival | Acts through PI3K/Akt, ERK1/2, and NF-kB/p65 in OGD/reoxygenation |
| hnRNP Q (SYNCRIP) | RNA-binding protein regulating translation | Controls cofilin translation after transient OGD in hippocampal neurons |
| hnRNP A1 | RNA-binding protein regulating translation | Controls cofilin translation after transient OGD in hippocampal neurons |
| Cofilin (CFL1) | Actin dynamics regulator | Translationally regulated during OGD, affecting cytoskeleton |
| CaN (calcineurin) | Calcium-dependent phosphatase | Mediates ischemic preconditioning protection via Ca2+/CaN/NFAT |
| NFAT | Calcium-responsive transcription factor | Drives protective transcription in preconditioned cells |
| PI3K | Prosurvival kinase pathway | Required for GRP78-mediated survival in OGD/reoxygenation |
| Akt | Prosurvival kinase | Required for GRP78-mediated survival in OGD/reoxygenation |
| ERK1/2 | MAP kinase signaling | Contributes to GRP78-mediated survival in OGD/reoxygenation |
| NF-kB/p65 | Inflammatory and survival transcription factor | Contributes to GRP78-mediated survival in OGD/reoxygenation |
| CK2α | Casein kinase 2 alpha | Activates Opa1-mediated mitochondrial fusion in ischemic stroke |
| Opa1 | Mitochondrial fusion GTPase | Mediates mitochondrial fusion downstream of CK2α |
| Csf3 | Cytokine regulating JAK/STAT and macrophage polarization | Modulated by Naoqing formula in cerebral ischemia/reperfusion injury |
| JAK/STAT pathway components | Inflammatory signaling | Regulate macrophage polarization in ischemia/reperfusion injury |
| Microglia/macrophage markers | Polarization states | Dynamics reveal injury expansion after focal cerebral ischemia |
| Glial reactivity markers | Astrocyte and glial activation | Induced by OGD in neuron-glia co-culture |
How Is cellular response to oxygen-glucose deprivation Regulated?
The cellular response to oxygen-glucose deprivation is regulated at multiple levels. Mitochondrial proteostasis is controlled by the ATF5-dependent UPR(mt), which can protect neurons during OGD and cerebral ischemia. ER stress and prosurvival kinase signaling are regulated by GRP78 through PI3K/Akt, ERK1/2, and NF-kB/p65. Translational regulation is mediated by RNA-binding proteins such as hnRNP Q and hnRNP A1, which control cofilin translation after transient OGD. Calcium-dependent transcription via Ca2+/CaN/NFAT mediates preconditioning protection. Inflammatory polarization is regulated by pathways including JAK/STAT and macrophage polarization, and mitochondrial fusion can be promoted by CK2α/Opa1 signaling.
cellular response to oxygen-glucose deprivation and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| ATF5 | Ischemic stroke, neuronal survival | Neuronal ATF5 knockout and overexpression under OGD |
| GRP78 (HSPA5) | OGD/reoxygenation injury, neural stem cell survival | GRP78 knockout and rescue in neural stem cells |
| hnRNP Q / hnRNP A1 | Translational control in hippocampal neurons | Knockdown or knockout followed by Ribo-seq under OGD |
| CK2α / Opa1 | Microglial inflammation, mitochondrial fusion | Microglial knockout and overexpression in ischemic stroke models |
| Csf3 / JAK/STAT | Cerebral ischemia/reperfusion inflammatory injury | Macrophage polarization assays with Csf3 modulation |
Ischemic stroke and cerebral ischemia
Oxygen-glucose deprivation is the core metabolic insult in ischemic stroke, and the cellular response determines neuronal survival or death. ATF5-mediated UPR(mt) protects neurons against OGD and cerebral ischemia, suggesting that boosting mitochondrial proteostasis may be neuroprotective. Microglia/macrophage polarization dynamics after focal cerebral ischemia reveal a mechanism of injury expansion, linking GO:0090650 to neuroinflammation.
Cerebral ischemia/reperfusion injury
Reoxygenation after OGD mimics reperfusion and triggers additional inflammatory injury. GRP78 promotes neural stem cell survival in OGD/reoxygenation through PI3K/Akt, ERK1/2, and NF-kB/p65, highlighting endogenous protective pathways. The Naoqing formula alleviates cerebral ischemia/reperfusion injury by regulating Csf3-mediated JAK/STAT signaling and macrophage polarization.
Neuroinflammation and glial reactivity
OGD induces glial cell reactivity in neuron-glia co-cultures, and microglial polarization states shape injury expansion. Lobetyolin alleviates microglial inflammation by activating CK2α/Opa1-mediated mitochondrial fusion in ischemic stroke, connecting mitochondrial dynamics to anti-inflammatory effects. These findings position GO:0090650 as a hub for neuroinflammatory mechanisms.
From cellular response to oxygen-glucose deprivation-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is ATF5 required for neuronal survival under OGD? | ATF5 knockout neurons with OGD and viability readouts |
| Does GRP78 protect neural stem cells via PI3K/Akt? | GRP78 knockout with pathway inhibitors in OGD/reoxygenation |
| How do hnRNP Q and hnRNP A1 control cofilin translation? | Knockout or knockdown hippocampal neurons with Ribo-seq |
| Can preconditioning activate Ca2+/CaN/NFAT protection? | In vitro ischemic preconditioning with NFAT reporters |
| Does CK2α/Opa1 promote mitochondrial fusion in microglia? | CK2α overexpression and Opa1 knockout microglia |
| Does Csf3 modulate macrophage polarization after ischemia? | Csf3 knockout or overexpression in macrophage cultures |
How to Study the cellular response to oxygen-glucose deprivation Process
| Method | What It Measures | Typical Application |
|---|---|---|
| OGD/reoxygenation assay | Cellular injury and survival | Neurons, neural stem cells, glia |
| Ribo-seq | Translational efficiency | hnRNP Q/A1-dependent cofilin translation |
| RNA-seq | Transcriptional changes | Preconditioning and inflammatory gene expression |
| Proteomics | Protein abundance and modifications | Mitochondrial UPR and stress proteins |
| Mitochondrial morphology imaging | Fusion/fission dynamics | CK2α/Opa1-mediated fusion |
| Immunofluorescence | Polarization markers and glial reactivity | Microglia/macrophage and glia |
| Flow cytometry | Immune cell polarization states | Macrophage polarization after ischemia |
| Viability and apoptosis assays | Cell death | Neuroprotection studies under OGD |
Oxygen-glucose deprivation and reoxygenation assays
The standard method to induce GO:0090650 is in vitro OGD, often followed by reoxygenation to model reperfusion. These assays can be applied to neurons, neural stem cells, glia, and co-cultures. Readouts include viability, apoptosis, inflammatory cytokine release, and pathway activation.
Translational profiling with Ribo-seq
Because hnRNP Q and hnRNP A1 regulate cofilin translation after transient OGD, Ribo-seq and polysome profiling are appropriate to measure genome-wide translational changes. These methods reveal which mRNAs are selectively translated during energy stress. Combining Ribo-seq with RNA-seq distinguishes transcriptional from translational control.
Proteomics and mitochondrial function assays
Mitochondrial UPR and fusion dynamics can be assessed by proteomics, mitochondrial morphology imaging, and respiration measurements. ATF5-dependent UPR(mt) and CK2α/Opa1-mediated fusion are examples of processes measurable with these approaches. Such assays link molecular changes to organelle function.
Imaging and polarization analysis
Microglial and macrophage polarization can be analyzed by immunofluorescence, flow cytometry, and marker gene expression. Glial reactivity in co-culture can be imaged to capture cell-type-specific responses. These methods connect GO:0090650 to tissue-level inflammation.
How CRISPR Can Be Used to Study GO:0090650 cellular response to oxygen-glucose deprivation
Knockout
CRISPR knockout of ATF5, GRP78, hnRNP Q, or hnRNP A1 can test whether these genes are required for the cellular response to oxygen-glucose deprivation. Knockout neurons or neural stem cells followed by OGD and viability or translational readouts provide causal evidence. This approach is essential for distinguishing correlation from necessity in GO:0090650 research.
Point Mutation
Point mutations can dissect specific residues or regulatory sites, for example in ATF5 or GRP78, to separate protective functions from other activities. Such models help map which domains mediate survival signaling under OGD. They are useful when complete knockout causes confounding developmental effects.
Knock-in
Knock-in of reporters or tags, such as fluorescent tags on ATF5 or GRP78, allows live imaging of protein localization and dynamics during OGD. Tagged knock-in of hnRNP proteins can reveal their binding to cofilin mRNA. These models support precise mechanistic studies within GO:0090650.
Overexpression
Overexpression of protective genes such as GRP78 or ATF5 can test sufficiency for neuroprotection under OGD. Overexpression of CK2α or Opa1 can probe mitochondrial fusion and anti-inflammatory effects. These models complement knockout studies to establish bidirectional causality.
How EDITGENE Supports cellular response to oxygen-glucose deprivation Research
Researchers studying cellular response to oxygen-glucose deprivation-related genes often need to determine whether a candidate gene is causally involved in survival, translational control, or inflammatory polarization. EDITGENE provides CRISPR-based cell model services that enable precise, reproducible testing of these hypotheses in relevant neuronal, glial, and stem cell backgrounds.
Contact EDITGENE today to design your custom CRISPR model for cellular response to oxygen-glucose deprivation research.
Frequently Asked Questions About cellular response to oxygen-glucose deprivation
What is GO:0090650 cellular response to oxygen-glucose deprivation?
GO:0090650 is a biological process term describing any change in a cell's state or activity, such as movement, secretion, enzyme production, or gene expression, caused by deprivation of oxygen and glucose.
What genes are involved in cellular response to oxygen-glucose deprivation?
Key genes include ATF5, GRP78 (HSPA5), hnRNP Q, hnRNP A1, cofilin, calcineurin, NFAT, PI3K, Akt, ERK1/2, NF-kB/p65, CK2α, Opa1, and Csf3.
How is oxygen-glucose deprivation modeled in the lab?
In vitro OGD and OGD/reoxygenation are standard models applied to neurons, neural stem cells, glia, and co-cultures.
What is the role of ATF5 in oxygen-glucose deprivation?
ATF5 mediates the mitochondrial unfolded protein response and protects neurons against oxygen-glucose deprivation and cerebral ischemia.
How does GRP78 protect cells during OGD?
GRP78 promotes neural stem cell antiapoptosis and survival in OGD/reoxygenation through PI3K/Akt, ERK1/2, and NF-kB/p65 pathways.
What do hnRNP Q and hnRNP A1 do during OGD?
They regulate the translation of cofilin in response to transient oxygen-glucose deprivation in hippocampal neurons.
Is microglial polarization part of the OGD response?
Yes, microglia/macrophage polarization dynamics contribute to injury expansion after focal cerebral ischemia, and JAK/STAT signaling regulates macrophage polarization.
Can ischemic preconditioning protect against OGD?
Yes, in vitro ischemic preconditioning mediates the Ca2+/CaN/NFAT pathway to protect against OGD-induced damage and inflammatory responses.
What methods are used to study GO:0090650?
Common methods include OGD/reoxygenation assays, Ribo-seq, RNA-seq, proteomics, mitochondrial imaging, immunofluorescence, and flow cytometry.
How can CRISPR help study oxygen-glucose deprivation?
CRISPR knockout, point mutation, knock-in, and overexpression models allow causal testing of candidate genes in the cellular response to oxygen-glucose deprivation.
Conclusion
GO:0090650 cellular response to oxygen-glucose deprivation is a central biological process for understanding ischemic injury and neuroinflammation. The literature shows a coordinated network involving mitochondrial UPR, ER stress survival signaling, translational control, calcium-dependent transcription, and glial polarization. CRISPR-based cell models provide a rigorous path to test causality for genes within this response. By combining knockout, point-mutation, knock-in, overexpression, and library screening with OGD assays and multi-omics readouts, researchers can accelerate discovery of neuroprotective and anti-inflammatory targets.
References
- 1. An H et al.. 2024. ATF5-Mediated Mitochondrial Unfolded Protein Response (UPR(mt)) Protects Neurons Against Oxygen-Glucose Deprivation and Cerebral Ischemia.. Stroke 55(7):1904-1913 PMID: 38913800
- 2. Hu X et al.. 2012. Microglia/macrophage polarization dynamics reveal novel mechanism of injury expansion after focal cerebral ischemia.. Stroke 43(11):3063-70 PMID: 22933588
- 3. Liu Q et al.. 2018. GRP78 Promotes Neural Stem Cell Antiapoptosis and Survival in Response to Oxygen-Glucose Deprivation (OGD)/Reoxygenation through PI3K/Akt, ERK1/2, and NF-κB/p65 Pathways.. Oxid Med Cell Longev 2018:3541807 PMID: 29849883
- 4. Zhang L et al.. 2024. In vitro ischemic preconditioning mediates the Ca(2+)/CaN/NFAT pathway to protect against oxygen-glucose deprivation-induced cellular damage and inflammatory responses.. Brain Res 1826:148736 PMID: 38141801
- 5. Kim SW et al.. 2021. hnRNP Q and hnRNP A1 Regulate the Translation of Cofilin in Response to Transient Oxygen-Glucose Deprivation in Hippocampal Neurons.. Cells 10(12) PMID: 34944075
- 6. Qin N et al.. 2026. Lobetyolin alleviates microglial inflammation by activating CK2α/Opa1-mediated mitochondrial fusion in ischemic stroke.. Phytomedicine 150:157651 PMID: 41371159
- 7. Inoue M et al.. 2023. Oxygen-glucose deprivation-induced glial cell reactivity in the rat primary neuron-glia co-culture.. J Vet Med Sci 85(8):799-808 PMID: 37407448
- 8. Ye Y et al.. 2025. Naoqing formula alleviates cerebral ischemia/reperfusion injury induced inflammatory injury by regulating Csf3 mediated JAK/STAT pathway and macrophage polarization.. Phytomedicine 140:156626 PMID: 40088744
