GO:0071359 cellular response to dsRNA: Viral Mimicry Pathway, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0071359 (cellular response to dsRNA) describes how a cell changes its state or activity in response to double-stranded RNA (dsRNA), a potent immunostimulatory nucleic acid.
• dsRNA can arise from viral infection, endogenous retroelements, mitochondrial transcription, or aberrant splicing, and is sensed by cytosolic receptors such as MDA5 and PKR.
• The response typically triggers interferon signaling, inflammatory cytokine production, translational arrest, and in some contexts, cell death programs including pyroptosis and necroptosis.
• Cancer cells often accumulate dsRNA due to retroelement derepression, making this pathway a key mediator of viral mimicry responses to chemotherapy and epigenetic drugs.
• Key regulators include ADAR1, which edits dsRNA to prevent self-recognition, and hnRNPM, which represses cryptic splicing that generates immunogenic dsRNA.
• Experimental dissection of GO:0071359 relies on CRISPR knockout, point-mutation, knock-in, overexpression models, and CRISPR library screening coupled with RNA-seq and bioinformatics.
Description
The cellular response to double-stranded RNA (dsRNA), annotated as GO:0071359, is a biological process in which a cell alters its state or activity in response to dsRNA, a nucleic acid structure that serves as a canonical danger signal. dsRNA is generated during viral replication, but also arises endogenously from retroelements, mitochondrial transcripts, and defective splicing, meaning that this response is relevant far beyond infection. The pathway is best known for activating interferon-stimulated genes and inflammatory cascades, but it also intersects with translational control, RNA editing, and cell death. For researchers, GO:0071359 provides a framework to study how cells distinguish self from non-self RNA and how this discrimination fails in cancer, autoinflammation, and neurodegeneration. The response is not a single linear cascade; it involves multiple sensors, adaptors, and effectors whose activities are tuned by RNA modifications, splicing fidelity, and metabolic state. Consequently, experimental models that manipulate individual nodes of this pathway are essential for causal inference. This article synthesizes authoritative QuickGO annotation data and verified PubMed literature to describe the mechanism, key genes, disease links, and research methods associated with GO:0071359. It is intended for scientists designing CRISPR-based experiments to interrogate dsRNA sensing and its downstream consequences.
cellular response to dsRNA At A Glance
| GO ID | GO:0071359 |
|---|---|
| GO term | cellular response to dsRNA |
| Ontology | biological_process |
| Synonym | cellular response to double-stranded RNA |
| Definition | Any process that results in a change in state or activity of a cell as a result of a double-stranded RNA stimulus. |
| Major function | Detection of dsRNA and initiation of downstream signaling, including interferon and inflammatory responses, translational arrest, and cell death. |
| Key sensors | MDA5 (IFIH1), PKR (EIF2AK2), and other dsRNA-binding proteins. |
| Key regulators | ADAR1, hnRNPM, DDX60, and IRE1α. |
| Disease relevance | Cancer immunotherapy, autoinflammation, and viral pathogenesis. |
What Is GO:0071359?
GO:0071359, cellular response to dsRNA, is defined as 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 a double-stranded RNA stimulus. In practice, this encompasses dsRNA recognition by cytosolic sensors, signal transduction through adaptor proteins, transcriptional and post-transcriptional changes, and effector responses such as cytokine secretion or cell death.
Why Is cellular response to dsRNA Important in Cell Biology?
GO:0071359 is important because dsRNA is a central alarm signal that links nucleic acid metabolism to innate immunity, and its dysregulation contributes to cancer, autoinflammatory disease, and viral pathogenesis. Understanding this process enables the rational design of therapies that exploit viral mimicry, such as combining epigenetic drugs with immune checkpoint blockade, and helps explain resistance mechanisms driven by dsRNA-editing enzymes like ADAR1.
• dsRNA sensing is a first line of defense against viral infection and is conserved across cell types.
• Endogenous dsRNA from retroelements can trigger interferon responses in cancer, a phenomenon known as viral mimicry.
• ADAR1-mediated editing of dsRNA prevents autoimmune activation and limits the efficacy of certain immunotherapies.
• hnRNPM represses cryptic splicing that generates immunogenic dsRNA, linking splicing fidelity to innate immune homeostasis.
• Oncogenic KRAS impairs DDX60-mediated dsRNA accumulation, providing a mechanism of immune evasion in colorectal cancer.
• IRE1α silences dsRNA to prevent taxane-induced pyroptosis in triple-negative breast cancer, connecting ER stress to dsRNA responses.
• MDA5 recognition of Alu duplex RNA underlies inflammation in Aicardi-Goutières syndrome, a type I interferonopathy.
• Resveratrol can attenuate mitochondrial RNA-mediated immunogenic stress, showing pharmacological modulation of this pathway.
• The pathway is a target for CRISPR screening to identify modifiers of interferon signaling and cell death.
• Biomarkers of dsRNA response may predict response to chemotherapy and immunotherapy.
What Happens During cellular response to dsRNA?
dsRNA generation and accumulation
In simple terms: The cell first needs to produce or encounter double-stranded RNA.
dsRNA can originate from viral replication intermediates, but also from endogenous sources such as retroelements, mitochondrial transcripts, and aberrant splicing. In cancer cells, oncogenic KRAS impairs DDX60-mediated dsRNA accumulation, reducing the availability of this immunostimulatory ligand. IRE1α can silence dsRNA to prevent taxane-induced pyroptosis, indicating that dsRNA levels are actively regulated.
Recognition by cytosolic sensors
In simple terms: Specialized proteins detect dsRNA and sound the alarm.
MDA5 (encoded by IFIH1) recognizes long dsRNA and Alu duplex RNA, initiating MAVS-dependent signaling that leads to interferon production. PKR (EIF2AK2) binds dsRNA and phosphorylates eIF2α, causing translational arrest. Other sensors and cofactors, including DDX60, modulate the accumulation and detection of dsRNA.
Signal transduction and interferon induction
In simple terms: The alarm triggers a cascade that turns on antiviral and inflammatory genes.
Upon dsRNA recognition, MDA5 signals through MAVS to activate TBK1 and IRF3/IRF7, inducing type I interferon and interferon-stimulated genes. This transcriptional program reshapes the cell state and can recruit immune cells. ADAR1 editing of dsRNA prevents inappropriate activation of this cascade, maintaining self-tolerance.
Downstream effector responses
In simple terms: The cell responds by stopping protein synthesis, secreting cytokines, or dying.
dsRNA-induced signaling can lead to translational arrest via PKR-eIF2α, inflammatory cytokine secretion, and cell death programs such as pyroptosis and necroptosis. ZBP1-driven necroptosis is masked by ADAR1, and its activation can be therapeutically exploited. IRE1α silencing of dsRNA prevents pyroptosis in triple-negative breast cancer cells treated with taxanes.
Resolution and regulation
In simple terms: The response must be shut off to avoid chronic inflammation.
RNA editing by ADAR1, splicing repression by hnRNPM, and nuclease-mediated degradation of dsRNA contribute to resolution. hnRNPM protects against the dsRNA-mediated interferon response by repressing LINE-associated cryptic splicing. Dysregulation of these brakes can lead to autoinflammation or cancer immune evasion.
Key Genes Involved in GO:0071359 cellular response to dsRNA
The following genes and proteins are central to the cellular response to dsRNA (GO:0071359), based on verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| IFIH1 (MDA5) | Cytosolic dsRNA sensor | Mediates interferon induction by Alu duplex RNA; linked to autoinflammation |
| EIF2AK2 (PKR) | dsRNA-activated kinase | Phosphorylates eIF2α to arrest translation during dsRNA response |
| ADAR1 | RNA editing enzyme | Edits dsRNA to prevent self-recognition; masks ZBP1-driven necroptosis |
| ZBP1 | Necroptosis mediator | Drives cell death when ADAR1 function is lost |
| HNRNPM | Splicing repressor | Represses LINE-associated cryptic splicing that generates dsRNA |
| DDX60 | RNA helicase | Promotes dsRNA accumulation; impaired by oncogenic KRAS |
| IRE1α (ERN1) | ER stress sensor | Silences dsRNA to prevent taxane-induced pyroptosis |
| MAVS | Mitochondrial adaptor | Transduces MDA5 signaling to interferon induction |
| TBK1 | Kinase | Activates IRF3/IRF7 downstream of dsRNA sensing |
| IRF3 | Transcription factor | Induces type I interferon genes upon dsRNA stimulation |
| IRF7 | Transcription factor | Amplifies interferon production in dsRNA response |
| NF-κB | Transcription factor | Drives inflammatory cytokine expression downstream of dsRNA |
| cGAS-STING | DNA-sensing pathway | Can intersect with dsRNA responses in viral mimicry |
| LINE-1 | Retroelement | Source of endogenous dsRNA when derepressed |
| Alu elements | Retroelements | Generate duplex RNA recognized by MDA5 |
| Resveratrol targets | Pharmacological modulators | Attenuate mitochondrial RNA-mediated immunogenic stress |
How Is cellular response to dsRNA Regulated?
The cellular response to dsRNA is tightly regulated at multiple levels. ADAR1-mediated adenosine-to-inosine editing of dsRNA prevents MDA5 and PKR activation, thereby maintaining self-tolerance. hnRNPM represses LINE-associated cryptic splicing, limiting the generation of immunogenic dsRNA. DDX60 promotes dsRNA accumulation and is downregulated by oncogenic KRAS, providing a layer of tumor-driven regulation. IRE1α can silence dsRNA, linking ER stress to suppression of pyroptosis. Pharmacological agents such as resveratrol can attenuate mitochondrial RNA-mediated immunogenic stress, indicating that metabolic and redox states influence this pathway.
cellular response to dsRNA and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| ADAR1 | Cancer immunotherapy resistance, autoinflammation | ADAR1 knockout or point-mutation cell lines |
| IFIH1 (MDA5) | Aicardi-Goutières syndrome, autoinflammation | MDA5 knockout or knock-in of patient variants |
| KRAS | Colorectal cancer immune evasion | KRAS mutant vs wild-type isogenic cells |
| IRE1α | Triple-negative breast cancer, taxane response | IRE1α knockout or overexpression models |
| HNRNPM | Splicing-associated interferonopathy | HNRNPM knockout with RNA-seq |
Cancer and viral mimicry
In cancer, derepression of retroelements generates dsRNA that triggers interferon responses, a phenomenon exploited by epigenetic therapies and chemotherapy. Oncogenic KRAS impairs DDX60-mediated dsRNA accumulation, promoting immune evasion in colorectal cancer. IRE1α silences dsRNA to prevent taxane-induced pyroptosis in triple-negative breast cancer, suggesting that targeting this axis could enhance chemotherapy efficacy. ADAR1 masks ZBP1-driven necroptosis, limiting the immunotherapeutic promise of dsRNA responses.
Autoinflammation and interferonopathies
Defective clearance or editing of endogenous dsRNA can cause type I interferonopathies such as Aicardi-Goutières syndrome, where MDA5 recognizes Alu duplex RNA. Loss of ADAR1 function leads to inappropriate dsRNA sensing and inflammation. hnRNPM deficiency results in cryptic splicing-derived dsRNA and interferon activation, highlighting splicing fidelity as a safeguard.
Viral pathogenesis
Many viruses produce dsRNA during replication, and the cellular response to dsRNA is a key antiviral mechanism. Viruses have evolved strategies to evade or antagonize dsRNA sensors, and understanding these interactions informs antiviral development.
From cellular response to dsRNA-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of ADAR1 activate dsRNA sensing? | ADAR1 knockout cell line |
| Does a specific point mutation in MDA5 alter dsRNA recognition? | MDA5 point-mutation knock-in |
| Does DDX60 promote dsRNA accumulation? | DDX60 overexpression and knockout |
| Does IRE1α silencing of dsRNA prevent pyroptosis? | IRE1α knockout or tagged knock-in |
| Does hnRNPM repress cryptic splicing-derived dsRNA? | HNRNPM knockout with RNA-seq |
| Can resveratrol modulate mitochondrial RNA-mediated stress? | Overexpression of mitochondrial RNA sensors |
How to Study the cellular response to dsRNA Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Gene expression, retroelement levels, splicing | Identify dsRNA response signatures |
| CRISPR knockout screening | Gene requirement for dsRNA response | Discover modifiers of interferon signaling |
| Immunoblot | Phospho-eIF2α, phospho-IRF3, phospho-TBK1 | Confirm sensor activation |
| dsRNA immunofluorescence | dsRNA localization and abundance | Visualize dsRNA accumulation |
| ELISA/Luminex | Cytokine secretion | Measure inflammatory output |
| Flow cytometry | Cell death and viability | Assess pyroptosis/necroptosis |
| Proteomics | Protein interactions and modifications | Map dsRNA signaling complexes |
| Bioinformatics | Pathway enrichment and network analysis | Interpret CRISPR screen hits |
RNA sequencing and transcriptomics
RNA-seq can quantify interferon-stimulated genes, retroelement expression, and cryptic splicing events that generate dsRNA. It is often used after CRISPR perturbation to identify transcriptional signatures of dsRNA response.
dsRNA detection and imaging
Antibodies against dsRNA or tagged dsRNA-binding proteins can visualize dsRNA accumulation in cells. Imaging approaches help localize dsRNA to specific cellular compartments.
CRISPR screening
Genome-wide CRISPR knockout or activation screens can identify modifiers of dsRNA-induced interferon signaling or cell death. Hits are validated with targeted knockouts and point mutations.
Biochemical assays for sensor activation
Phosphorylation of eIF2α, IRF3, and TBK1 can be monitored by immunoblot to assess dsRNA sensor activation. Cytokine secretion can be measured by ELISA or Luminex.
How CRISPR Can Be Used to Study GO:0071359 cellular response to dsRNA
Knockout
CRISPR knockout of genes such as ADAR1, HNRNPM, or DDX60 can reveal their role in suppressing or promoting dsRNA responses. Knockout of IRE1α can sensitize cells to taxane-induced pyroptosis.
Point Mutation
Point mutations in sensor genes like IFIH1 (MDA5) can dissect domain-specific functions in dsRNA recognition and signaling. Point mutations in ADAR1 can separate editing-dependent from editing-independent functions.
Knock-in
Knock-in of tagged alleles (e.g., HA- or GFP-tagged ADAR1 or MDA5) enables localization and interaction studies without altering endogenous regulation. Knock-in of patient-derived variants can model autoinflammatory disease.
Overexpression
Overexpression of DDX60 or dsRNA sensors can amplify dsRNA accumulation and interferon signaling, facilitating biochemical analysis. Overexpression of mitochondrial RNA sensors can model immunogenic stress.
How EDITGENE Supports cellular response to dsRNA Research
Researchers studying cellular response to dsRNA-related genes often need to determine whether a candidate gene is causally involved in dsRNA sensing, signaling, or effector responses. EDITGENE provides CRISPR-based cell model services to enable such causal experiments with high specificity and reproducibility.
Contact EDITGENE today to design your custom CRISPR model for cellular response to dsRNA research.
Frequently Asked Questions About cellular response to dsRNA
What is GO:0071359?
GO:0071359 is the Gene Ontology term for cellular response to dsRNA, defined as any process that results in a change in state or activity of a cell as a result of a double-stranded RNA stimulus.
What genes are involved in cellular response to dsRNA?
Key genes include IFIH1 (MDA5), EIF2AK2 (PKR), ADAR1, ZBP1, HNRNPM, DDX60, and IRE1α.
How is dsRNA detected by cells?
dsRNA is detected by cytosolic sensors such as MDA5 and PKR, which initiate signaling through MAVS and downstream transcription factors.
What diseases are linked to dsRNA response?
Diseases include cancer immune evasion, Aicardi-Goutières syndrome, and other type I interferonopathies.
What is viral mimicry in cancer?
Viral mimicry is the activation of antiviral-like interferon responses in cancer cells by endogenous dsRNA, often after epigenetic or chemotherapy treatment.
How does ADAR1 regulate dsRNA response?
ADAR1 edits dsRNA to prevent recognition by sensors, thereby maintaining self-tolerance and limiting necroptosis.
What is the role of hnRNPM in dsRNA response?
hnRNPM represses LINE-associated cryptic splicing that would otherwise generate immunogenic dsRNA.
How can CRISPR be used to study dsRNA response?
CRISPR knockout, point mutation, knock-in, and overexpression models allow causal testing of genes in dsRNA sensing and signaling.
What methods measure dsRNA response?
RNA-seq, immunoblot for phospho-eIF2α and phospho-IRF3, dsRNA immunofluorescence, and cytokine assays are commonly used.
What is the role of IRE1α in dsRNA response?
IRE1α can silence dsRNA to prevent taxane-induced pyroptosis in triple-negative breast cancer.
Conclusion
GO:0071359, cellular response to dsRNA, is a central biological process that connects nucleic acid sensing to innate immunity, translational control, and cell death. Its dysregulation is implicated in cancer, autoinflammation, and viral pathogenesis, making it a high-value target for mechanistic and therapeutic research. CRISPR-based models, combined with RNA-seq and bioinformatics, provide powerful tools to dissect the genes and pathways that govern this response. EDITGENE offers comprehensive services to accelerate such studies.
References
- 1. Xu L et al.. 2024. IRE1α silences dsRNA to prevent taxane-induced pyroptosis in triple-negative breast cancer.. Cell 187(25):7248-7266.e34 PMID: 39419025
- 2. Chen YG et al.. 2022. Cellular origins of dsRNA, their recognition and consequences.. Nat Rev Mol Cell Biol 23(4):286-301 PMID: 34815573
- 3. Chen R et al.. 2021. Endogenous Retroelements and the Viral Mimicry Response in Cancer Therapy and Cellular Homeostasis.. Cancer Discov 11(11):2707-2725 PMID: 34649957
- 4. Zheng R et al.. 2024. hnRNPM protects against the dsRNA-mediated interferon response by repressing LINE-associated cryptic splicing.. Mol Cell 84(11):2087-2103.e8 PMID: 38815579
- 5. Zhang T et al.. 2022. ADAR1 masks the cancer immunotherapeutic promise of ZBP1-driven necroptosis.. Nature 606(7914):594-602 PMID: 35614224
- 6. Zhou Y et al.. 2024. Oncogenic KRAS drives immunosuppression of colorectal cancer by impairing DDX60-mediated dsRNA accumulation and viral mimicry.. Sci Immunol 9(100):eado8758 PMID: 39365875
- 7. Ahmad S et al.. 2018. Breaching Self-Tolerance to Alu Duplex RNA Underlies MDA5-Mediated Inflammation.. Cell 172(4):797-810.e13 PMID: 29395326
- 8. Yoon J et al.. 2023. Resveratrol Attenuates the Mitochondrial RNA-Mediated Cellular Response to Immunogenic Stress.. Int J Mol Sci 24(8) PMID: 37108567
