GO:1901857 positive regulation of cellular respiration: Metabolic Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1901857 describes any process that activates or increases the frequency, rate or extent of cellular respiration, the oxygen-dependent conversion of nutrients into ATP.
• Positive regulation of cellular respiration is a biological_process that sits upstream of mitochondrial oxidative phosphorylation and is tightly coupled to transcriptional, post-transcriptional and metabolic signaling.
• Key regulators include HIF1A, MYC, ATR, FBXL16, IGF2BP2 and NCOA4, which adjust respiratory capacity in immune, cancer and placental cells.
• Mitochondrial respiratory capacity is a critical determinant of CD8+ T cell memory development and CAR T cell persistence, making this GO term directly relevant to immunotherapy.
• Dysregulation of positive regulation of cellular respiration contributes to cervical cancer glycolysis, glioma hypoxia adaptation, trophoblast ferroptosis and tamoxifen resistance in breast cancer.
• CRISPR knockout, point-mutation, knock-in and overexpression models, combined with CRISPR library screening and bioinformatics, are the primary tools for dissecting this process.
Description
Cellular respiration is the set of metabolic reactions that convert nutrients into ATP, and its positive regulation is essential for cells to match energy supply with demand. GO:1901857, positive regulation of cellular respiration, captures all processes that activate or increase the frequency, rate or extent of this oxygen-dependent metabolism. This term is increasingly studied because respiratory capacity influences cell fate decisions, immune memory and tumor adaptation to hypoxia. In CD8+ T cells, mitochondrial respiratory capacity is a critical regulator of memory development, and distinct co-receptor signaling pathways differentially modulate respiration to impact memory formation. In cancer, HPV E6/E7 promotes aerobic glycolysis in cervical cancer by regulating IGF2BP2 to stabilize m6A-MYC expression, illustrating how oncogenic signals can shift the balance away from respiration. Conversely, ATR controls cellular adaptation to hypoxia through positive regulation of HIF-1 expression, linking DNA damage signaling to respiratory reprogramming. Understanding GO:1901857 therefore requires integrating transcriptional, post-transcriptional and metabolic layers that converge on mitochondrial function. Researchers studying this term need robust experimental systems to test causality, and CRISPR-based models provide the specificity required to move from correlation to mechanism.
positive regulation of cellular respiration At A Glance
| GO ID | GO:1901857 |
|---|---|
| GO term | positive regulation of cellular respiration |
| Ontology | biological_process |
| Synonym | activation of cellular respiration; positive regulation of oxidative metabolism; upregulation of respiration |
| Major function | Activates or increases the frequency, rate or extent of cellular respiration |
| Biological context | Mitochondrial oxidative phosphorylation, hypoxia adaptation, immune memory, tumor metabolism |
| Key regulators | HIF1A, MYC, ATR, FBXL16, IGF2BP2, NCOA4 |
| Disease relevance | Cervical cancer, glioma, breast cancer, miscarriage, intestinal inflammation |
| Research methods | CRISPR KO/point mutation/knock-in/overexpression, CRISPR library screening, bioinformatics, metabolic assays |
What Is GO:1901857?
GO:1901857, positive regulation of cellular respiration, is defined as any process that activates or increases the frequency, rate or extent of cellular respiration. In practice, this includes signals that raise mitochondrial oxygen consumption, enhance electron transport chain activity, or increase the expression and assembly of respiratory chain components. The term is a biological_process and is distinct from the core respiration process itself; it specifically describes the regulatory inputs that upregulate respiration. Synonyms include activation of cellular respiration, positive regulation of oxidative metabolism, and upregulation of respiration, reflecting the breadth of regulatory mechanisms covered.
Why Is positive regulation of cellular respiration Important in Cell Biology?
Positive regulation of cellular respiration is central to how cells adapt to energetic stress, hypoxia and immune activation, and its dysregulation underlies major human diseases. Because respiratory capacity determines T cell memory and CAR T cell persistence, this GO term is directly relevant to immunotherapy design. In tumors, oncogenic and hypoxia-driven signals rewire respiration and glycolysis, and targeting these regulators can alter drug sensitivity. Thus, GO:1901857 provides a framework for understanding and manipulating energy metabolism in health and disease.
• Controls ATP production and metabolic flexibility in immune cells, neurons and tumor cells.
• Determines CD8+ T cell memory development and CAR T cell persistence.
• Mediates cellular adaptation to hypoxia through HIF-1 and ATR signaling.
• Supports mitochondrial respiration in CD4+ T cells to protect against intestinal inflammation.
• Is subverted in cervical cancer, where HPV E6/E7 promotes glycolysis via IGF2BP2-MYC.
• Links to ferroptosis in trophoblast cells through lnc-HZ06/HIF1α-SUMO/NCOA4.
• Modulates tamoxifen sensitivity in ER-positive breast cancer via FBXL16.
• Provides a mechanistic entry point for CRISPR screens targeting metabolic regulators.
What Happens During positive regulation of cellular respiration?
Signal sensing and transcriptional activation
In simple terms: The cell first senses low oxygen or high energy demand and switches on genes that boost respiration.
Positive regulation of cellular respiration begins with signal sensing. Under hypoxia, ATR controls cellular adaptation by positively regulating HIF-1 expression, which in turn activates transcriptional programs that increase respiratory capacity. In glioma cells under hypoxia, HIF-1α expression correlates with PD-L1, linking oxygen sensing to immune-metabolic reprogramming. In CD8+ T cells, distinct co-receptor signaling regulates specific metabolism pathways and impacts memory development, showing that receptor-level signals can transcriptionally set respiratory capacity.
Post-transcriptional and epitranscriptomic control
In simple terms: RNA modifications and RNA-binding proteins fine-tune how much respiratory protein is made.
Post-transcriptional regulation is a key layer of positive regulation of cellular respiration. HPV E6/E7 promotes aerobic glycolysis in cervical cancer by regulating IGF2BP2 to stabilize m6A-MYC expression, demonstrating how m6A readers can shift metabolic gene expression. In trophoblast cells, the lnc-HZ06/HIF1α-SUMO/NCOA4 axis links hypoxia to ferroptosis, showing that lncRNA and SUMOylation events can redirect respiratory and iron metabolism. These examples illustrate that positive regulation of respiration is not only transcriptional but also epitranscriptomic and post-translational.
Mitochondrial respiratory capacity and metabolic remodeling
In simple terms: The mitochondria increase their ability to consume oxygen and make ATP.
At the mitochondrial level, positive regulation of cellular respiration manifests as increased respiratory capacity. Mitochondrial respiratory capacity is a critical regulator of CD8+ T cell memory development, and enhancing it supports long-lived memory cells. In CAR T cells, distinct co-receptor signaling regulates specific metabolism pathways and impacts memory development, indicating that respiratory capacity can be engineered for better persistence. Microbial metabolite indole-3-propionic acid drives mitochondrial respiration in CD4+ T cells to confer protection against intestinal inflammation, showing that metabolites can positively regulate respiration.
Protein stability and degradation control
In simple terms: The cell controls how quickly respiratory regulators are destroyed.
Protein turnover is another node of positive regulation of cellular respiration. F-box and leucine-rich repeat protein 16 controls tamoxifen sensitivity via regulation of mitochondrial respiration in estrogen receptor-positive breast cancer cells, demonstrating that E3 ubiquitin ligases can set respiratory tone. ATR controls cellular adaptation to hypoxia through positive regulation of HIF-1 expression, linking DNA damage response kinases to respiratory gene expression. These mechanisms show that stabilizing or degrading key regulators can directly increase or decrease respiration.
Integration with immune and inflammatory signaling
In simple terms: Immune signals can dial respiration up or down to shape cell fate.
Positive regulation of cellular respiration is deeply integrated with immune signaling. Distinct co-receptor signaling in CAR T cells regulates specific metabolism pathways and impacts memory development, meaning that costimulatory domains can be chosen to favor respiration. Indole-3-propionic acid drives mitochondrial respiration in CD4+ T cells to confer protection against intestinal inflammation, providing a metabolite-based route to enhance respiration. In glioma, PD-L1 and HIF-1α expression under hypoxia connect immune checkpoint biology to metabolic adaptation.
Key Genes Involved in GO:1901857 positive regulation of cellular respiration
The following genes and proteins are experimentally implicated in positive regulation of cellular respiration based on the verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| HIF1A | Hypoxia-inducible transcription factor that activates respiratory and glycolytic genes | Central to hypoxia adaptation and ATR-dependent regulation of respiration |
| MYC | Oncogenic transcription factor stabilized by IGF2BP2 in an m6A-dependent manner | Drives metabolic reprogramming in cervical cancer |
| ATR | DNA damage response kinase that positively regulates HIF-1 expression | Links hypoxia adaptation to respiratory gene expression |
| FBXL16 | F-box protein controlling mitochondrial respiration | Modulates tamoxifen sensitivity in ER-positive breast cancer |
| IGF2BP2 | m6A reader that stabilizes MYC mRNA | Promotes aerobic glycolysis and metabolic shift in cervical cancer |
| NCOA4 | Ferritinophagy receptor involved in iron and redox homeostasis | Part of lnc-HZ06/HIF1α-SUMO/NCOA4 axis in trophoblast ferroptosis |
| PD-L1 (CD274) | Immune checkpoint ligand linked to HIF-1α under hypoxia | Connects immune evasion to metabolic adaptation in glioma |
| CD28 | Costimulatory receptor that regulates specific metabolism pathways | Impacts memory development in CAR T cells |
| 4-1BB (TNFRSF9) | Costimulatory receptor with distinct metabolic signaling | Regulates respiration and memory in CAR T cells |
| PPARGC1A (PGC-1α) | Transcriptional coactivator of mitochondrial biogenesis | Supports respiratory capacity in memory T cells |
| MTOR | Kinase integrating nutrient and energy signals | Regulates metabolic pathways affecting respiration |
| AMPK | Energy sensor that promotes catabolic metabolism | Couples energy stress to respiratory adaptation |
| SLC7A11 | Cystine/glutamate antiporter linked to ferroptosis | Redox balance intersects with respiration |
| GPX4 | Glutathione peroxidase protecting against lipid peroxidation | Ferroptosis regulation in trophoblast cells |
| HIF1AN (FIH-1) | Hydroxylase regulating HIF-1 activity | Modulates hypoxia-driven respiration |
| VHL | E3 ligase targeting HIF-1α for degradation | Controls hypoxia signaling and respiration |
| EPAS1 (HIF-2α) | Hypoxia-inducible factor paralog | Contributes to metabolic adaptation |
How Is positive regulation of cellular respiration Regulated?
Positive regulation of cellular respiration is controlled at multiple levels. Transcriptionally, HIF-1 downstream of ATR activates respiratory and glycolytic genes under hypoxia. Post-transcriptionally, m6A readers such as IGF2BP2 stabilize MYC mRNA to shift metabolism. Post-translationally, E3 ligases such as FBXL16 and VHL control the stability of respiratory regulators. Metabolically, indole-3-propionic acid drives mitochondrial respiration in CD4+ T cells, showing that microbial metabolites can act as positive regulators. Immune costimulatory signals through CD28 and 4-1BB also tune respiration to influence memory development.
positive regulation of cellular respiration and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| IGF2BP2 / MYC | Cervical cancer aerobic glycolysis | KO and point-mutation in cervical cancer cell lines |
| HIF1A / PD-L1 | Glioma hypoxia adaptation and immune evasion | Knock-in reporter and KO under hypoxia |
| FBXL16 | ER-positive breast cancer tamoxifen resistance | Overexpression and KO in breast cancer cells |
| NCOA4 / HIF1A | Trophoblast ferroptosis and miscarriage | Knock-in and KO in trophoblast models |
| CD28 / 4-1BB | CAR T cell memory and persistence | Knock-in costimulatory domains in primary T cells |
Cancer metabolism and drug resistance
Positive regulation of cellular respiration is frequently rewired in cancer. HPV E6/E7 promotes aerobic glycolysis in cervical cancer by regulating IGF2BP2 to stabilize m6A-MYC expression, showing how oncogenic viruses shift metabolic programs. In glioma, PD-L1 and HIF-1α expression under hypoxia link immune evasion to metabolic adaptation. FBXL16 controls tamoxifen sensitivity via regulation of mitochondrial respiration in ER-positive breast cancer cells, indicating that respiratory regulators can determine endocrine therapy response.
Hypoxia, ferroptosis and pregnancy loss
Hypoxia causes trophoblast cell ferroptosis to induce miscarriage through the lnc-HZ06/HIF1α-SUMO/NCOA4 axis, connecting oxygen sensing, iron metabolism and cell death. This illustrates how positive regulation of cellular respiration and related redox pathways can be protective or detrimental depending on context.
Immune memory and immunotherapy
Mitochondrial respiratory capacity is a critical regulator of CD8+ T cell memory development, and distinct co-receptor signaling regulates specific metabolism pathways to impact memory in CAR T cells. Enhancing respiration can improve persistence and antitumor function, making this GO term a target for immunotherapy engineering.
Intestinal inflammation
Microbial metabolite indole-3-propionic acid drives mitochondrial respiration in CD4+ T cells to confer protection against intestinal inflammation, demonstrating that positive regulation of respiration can be anti-inflammatory.
From positive regulation of cellular respiration-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is a candidate gene required for positive regulation of cellular respiration? | CRISPR knockout in relevant cell line followed by Seahorse respiration assay |
| Does a specific point mutation alter respiratory capacity? | CRISPR point-mutation knock-in of the variant |
| Does a risk allele increase respiration? | Knock-in of the risk allele with tagged reporter |
| Where is the protein localized during respiration upregulation? | Tagged knock-in with fluorescent tag |
| Can overexpression of a regulator enhance respiration? | CRISPR overexpression (CRISPRa) or cDNA overexpression |
| Which genes are essential for respiration under hypoxia? | Genome-wide CRISPR library screening |
How to Study the positive regulation of cellular respiration Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Seahorse assay | Oxygen consumption rate and extracellular acidification | Quantifying respiratory capacity in KO/overexpression cells |
| RNA-seq | Transcriptional changes in respiratory genes | Identifying HIF-1 and MYC target programs |
| m6A-seq / MeRIP-seq | m6A modification landscape | Studying IGF2BP2-dependent MYC stabilization |
| Proteomics | Protein abundance and interactions | Dissecting FBXL16 and NCOA4 complexes |
| Co-IP / SUMOylation assay | Post-translational modifications | Analyzing HIF1α-SUMO/NCOA4 axis |
| Live-cell imaging | Mitochondrial dynamics and protein localization | Tracking tagged knock-in reporters |
| CRISPR library screening | Essential genes for respiration | Genome-wide screens under hypoxia |
| Bioinformatics pathway analysis | Enrichment of metabolic pathways | Interpreting multi-omics data |
Metabolic flux assays
Seahorse extracellular flux analysis measures oxygen consumption rate and extracellular acidification rate, providing direct readouts of positive regulation of cellular respiration. These assays are used to compare knockout, knock-in and overexpression models.
Transcriptomic and epitranscriptomic profiling
RNA-seq and m6A-seq can identify transcriptional and epitranscriptomic changes in respiratory genes. IGF2BP2-dependent stabilization of m6A-MYC was discovered using such approaches in cervical cancer. Hypoxia-induced changes in HIF-1 target genes are also mapped by RNA-seq.
Proteomic and interactomic analysis
Proteomics and co-immunoprecipitation can identify protein complexes and stability changes. FBXL16 regulation of mitochondrial respiration was studied using such methods in breast cancer cells. The lnc-HZ06/HIF1α-SUMO/NCOA4 axis was dissected using SUMOylation and interactome assays.
Imaging and reporter systems
Live-cell imaging with fluorescent reporters and tagged knock-in lines allows tracking of mitochondrial dynamics and protein localization during respiration upregulation. Reporter lines for HIF-1 activity are particularly useful under hypoxia.
How CRISPR Can Be Used to Study GO:1901857 positive regulation of cellular respiration
Knockout
CRISPR knockout is used to test whether a candidate gene is required for positive regulation of cellular respiration. For example, knocking out FBXL16 in ER-positive breast cancer cells alters mitochondrial respiration and tamoxifen sensitivity. Knockout of HIF1A or ATR can blunt hypoxia-induced respiratory gene expression.
Point Mutation
Point-mutation knock-in allows precise testing of disease-associated variants in respiratory regulators. For instance, mutating phosphorylation or hydroxylation sites in HIF-1α can reveal how ATR-dependent regulation affects respiration. Such models are essential for distinguishing correlation from causation.
Knock-in
Knock-in of tagged or reporter alleles enables visualization and quantification of respiratory regulators. Tagged knock-in of HIF1A or NCOA4 can track localization and stability during hypoxia and ferroptosis. Knock-in of costimulatory domains in CAR T cells can be used to engineer respiration-favoring metabolism.
Overexpression
CRISPR activation or cDNA overexpression is used to test sufficiency. Overexpressing FBXL16 or MYC can enhance respiration or shift metabolism in cancer cells. Overexpression of indole-3-propionic acid pathway components or PGC-1α can boost mitochondrial respiration in T cells.
How EDITGENE Supports positive regulation of cellular respiration Research
Researchers studying positive regulation of cellular respiration-related genes often need to determine whether a candidate gene is causally involved in respiratory capacity, metabolic reprogramming or disease phenotypes. EDITGENE provides end-to-end CRISPR services to generate precisely engineered cell models and to interpret the resulting metabolic and transcriptomic data.
Contact EDITGENE today to design your custom CRISPR model for positive regulation of cellular respiration research.
Frequently Asked Questions About positive regulation of cellular respiration
What is GO:1901857 positive regulation of cellular respiration?
GO:1901857 is a Gene Ontology biological_process term defined as any process that activates or increases the frequency, rate or extent of cellular respiration.
What genes are involved in positive regulation of cellular respiration?
Key genes include HIF1A, MYC, ATR, FBXL16, IGF2BP2 and NCOA4, which regulate respiration transcriptionally, post-transcriptionally and post-translationally.
How is positive regulation of cellular respiration measured?
It is commonly measured by Seahorse extracellular flux analysis of oxygen consumption rate, combined with RNA-seq and proteomics.
Why is mitochondrial respiratory capacity important for T cell memory?
Mitochondrial respiratory capacity is a critical regulator of CD8+ T cell memory development, and enhancing it supports CAR T cell persistence.
How does hypoxia affect cellular respiration?
Hypoxia stabilizes HIF-1 through ATR-dependent regulation, which activates transcriptional programs that increase respiratory capacity.
What is the role of IGF2BP2 in cancer metabolism?
IGF2BP2 stabilizes m6A-MYC mRNA, promoting aerobic glycolysis in cervical cancer and shifting metabolism away from respiration.
Can CRISPR be used to study positive regulation of cellular respiration?
Yes, CRISPR knockout, point-mutation, knock-in and overexpression models are widely used to test causality in respiratory regulation.
What diseases are linked to dysregulated cellular respiration?
Cervical cancer, glioma, ER-positive breast cancer, miscarriage and intestinal inflammation have been linked to altered respiratory regulation.
What is the role of FBXL16 in breast cancer?
FBXL16 controls tamoxifen sensitivity via regulation of mitochondrial respiration in estrogen receptor-positive breast cancer cells.
How does indole-3-propionic acid affect respiration?
Indole-3-propionic acid drives mitochondrial respiration in CD4+ T cells to confer protection against intestinal inflammation.
Conclusion
GO:1901857 positive regulation of cellular respiration is a central biological_process that integrates hypoxia signaling, oncogenic transcription, epitranscriptomic control and immune costimulation to set mitochondrial respiratory capacity. Its dysregulation contributes to cancer metabolism, ferroptosis-related pregnancy loss and inflammatory disease, while its enhancement supports T cell memory and immunotherapy persistence. CRISPR-based knockout, point-mutation, knock-in and overexpression models, coupled with metabolic assays and bioinformatics, provide the causal evidence needed to translate these findings into therapeutic strategies.
References
- 1. Kawalekar OU et al.. 2016. Distinct Signaling of Coreceptors Regulates Specific Metabolism Pathways and Impacts Memory Development in CAR T Cells.. Immunity 44(2):380-90 PMID: 26885860
- 2. Li Q et al.. 2025. Microbial metabolite indole-3-propionic acid drives mitochondrial respiration in CD4(+) T cells to confer protection against intestinal inflammation.. Nat Metab 7(12):2510-2530 PMID: 41120706
- 3. Tian P et al.. 2024. Hypoxia causes trophoblast cell ferroptosis to induce miscarriage through lnc-HZ06/HIF1α-SUMO/NCOA4 axis.. Redox Biol 70:103073 PMID: 38335622
- 4. Hu C et al.. 2022. HPV E6/E7 promotes aerobic glycolysis in cervical cancer by regulating IGF2BP2 to stabilize m(6)A-MYC expression.. Int J Biol Sci 18(2):507-521 PMID: 35002506
- 5. Ding XC et al.. 2021. The relationship between expression of PD-L1 and HIF-1α in glioma cells under hypoxia.. J Hematol Oncol 14(1):92 PMID: 34118979
- 6. van der Windt GJ et al.. 2012. Mitochondrial respiratory capacity is a critical regulator of CD8+ T cell memory development.. Immunity 36(1):68-78 PMID: 22206904
- 7. Fallone F et al.. 2013. ATR controls cellular adaptation to hypoxia through positive regulation of hypoxia-inducible factor 1 (HIF-1) expression.. Oncogene 32(37):4387-96 PMID: 23085754
- 8. Chen F et al.. 2023. F-box and leucine-rich repeat protein 16 controls tamoxifen sensitivity via regulation of mitochondrial respiration in estrogen receptor-positive breast cancer cells.. Hum Cell 36(6):2087-2098 PMID: 37537406
