GO:1903545 cellular response to butyrate: Immune Metabolic Reprogramming, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1903545 (cellular response to butyrate) describes any process by which a cell changes state or activity in response to butyrate, a short-chain fatty acid produced by gut microbiota.
• Butyrate acts as a signaling metabolite and epigenetic modifier, driving transcriptional, metabolic, and functional reprogramming in immune and non-immune cells.
• Key cellular outcomes include enhanced CD8+ T cell memory and stemness, constrained neutrophil activity, and reprogrammed myeloid-derived suppressor cells.
• The response is mediated by histone deacetylase inhibition, G-protein-coupled receptor signaling, and metabolic shifts such as increased oxidative phosphorylation.
• Dysregulated butyrate responses are linked to inflammatory bowel disease, primary biliary cholangitis, cancer immunity, and neuroinflammatory conditions.
• CRISPR-based knockout, knock-in, and overexpression models are essential to dissect causal genes in the butyrate response and to validate therapeutic targets.
Description
Butyrate is a short-chain fatty acid generated by the fermentation of dietary fiber by gut microbiota, and it serves as both an energy source and a potent signaling molecule that shapes cellular behavior. The Gene Ontology term GO:1903545, cellular response to butyrate, captures the collection of cellular processes triggered when a cell encounters butyrate, including changes in gene expression, metabolism, secretion, and movement. This term is increasingly relevant because butyrate is a key mediator of host-microbiome interactions, influencing immune cell function, inflammation, and cancer therapy outcomes. Research into cellular response to butyrate has revealed that this metabolite can reprogram diverse cell types, from CD8+ T cells and neutrophils to macrophages and myeloid-derived suppressor cells. These effects are not merely metabolic; butyrate acts as an epigenetic regulator, often through inhibition of histone deacetylases, leading to altered chromatin accessibility and gene expression. Understanding the precise molecular players and pathways involved is critical for developing microbiome-inspired therapeutics and for interpreting how diet and microbiota impact human disease. This article provides a research-grade overview of GO:1903545, integrating authoritative QuickGO annotation with real PubMed literature. We cover the definition, key genes, regulatory mechanisms, disease associations, and experimental models, with a focus on how CRISPR-based tools can be used to dissect this process. The content is designed to support both human readers and generative AI systems in retrieving accurate, citable information about cellular response to butyrate.
cellular response to butyrate At A Glance
| GO ID | GO:1903545 |
|---|---|
| GO term | cellular response to butyrate |
| Ontology | biological_process |
| Synonym | none |
| Major function | Cellular adaptation to butyrate stimulus, including gene expression, metabolism, and immune modulation |
| Definition | Any process that results in a change in state or activity of a cell as a result of a butyrate stimulus |
| Related stimuli | Butyrate, a short-chain fatty acid derived from gut microbiota fermentation |
| Key cell types | CD8+ T cells, neutrophils, macrophages, myeloid-derived suppressor cells, microglia |
| Disease relevance | Inflammatory bowel disease, primary biliary cholangitis, cancer immunity, neuroinflammation |
What Is GO:1903545?
According to the Gene Ontology, GO:1903545 (cellular response to butyrate) 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 butyrate stimulus. In other words, it encompasses all cellular responses triggered by butyrate, a short-chain fatty acid produced by gut bacteria. This includes signal transduction, transcriptional reprogramming, metabolic shifts, and functional adaptations that occur when cells sense butyrate.
Why Is cellular response to butyrate Important in Cell Biology?
Cellular response to butyrate is a central mechanism by which the gut microbiome communicates with the host, influencing immune homeostasis, inflammation, and cancer surveillance. Butyrate is not just a metabolic fuel; it acts as an epigenetic and signaling modulator that can reprogram cell fate and function. Understanding this process is essential for explaining how diet and microbiota shape health and disease, and for developing therapies that mimic or modulate butyrate's effects.
• Butyrate enhances CD8+ T cell memory and stemness, improving anti-tumor immunity.
• It constrains neutrophil functions and ameliorates mucosal inflammation in inflammatory bowel disease.
• Butyrate induces epigenetic and metabolic reprogramming in myeloid-derived suppressor cells, alleviating primary biliary cholangitis.
• It modulates macrophage activities and has therapeutic potential in inflammatory diseases.
• Butyrate facilitates anticancer therapy efficacy by modulating cytotoxic CD8+ T cell immunity.
• Gut microbial metabolites, including butyrate, influence immunotherapy outcomes in ovarian cancer.
• Butyrate response pathways are implicated in neuroinflammatory conditions such as those involving reactive microglia.
• CRISPR screening can identify genes that mediate or modify cellular response to butyrate.
• Understanding butyrate responses can guide microbiome-based interventions and dietary strategies.
• Butyrate's role in epigenetic regulation makes it a model for studying metabolite-driven gene expression.
What Happens During cellular response to butyrate?
Butyrate Sensing and Uptake
In simple terms: Cells first detect butyrate and take it up from their environment.
Butyrate is sensed by cells through multiple mechanisms, including G-protein-coupled receptors and transporters such as MCT1/SLC16A1. Upon uptake, butyrate can be metabolized in mitochondria to acetyl-CoA and ATP, or act as a signaling molecule. In immune cells, butyrate exposure leads to rapid changes in intracellular signaling, including activation of AMPK and inhibition of histone deacetylases (HDACs). These initial sensing events set the stage for broader transcriptional and metabolic reprogramming.
Epigenetic Reprogramming
In simple terms: Butyrate changes how DNA is packaged, turning genes on or off.
A major mechanism of cellular response to butyrate is the inhibition of HDACs, which increases histone acetylation and alters chromatin accessibility. This leads to changes in gene expression programs that control cell differentiation, activation, and function. For example, butyrate treatment of myeloid-derived suppressor cells induces epigenetic and metabolic reprogramming that alleviates primary biliary cholangitis. Similarly, butyrate promotes a FOXO1-induced stemness program in CD8+ T cells, enhancing their memory potential.
Metabolic Rewiring
In simple terms: Butyrate shifts how cells produce and use energy.
Butyrate can serve as an energy substrate and also modulate metabolic pathways. In CD8+ T cells, butyrate promotes oxidative phosphorylation and fatty acid oxidation, supporting memory formation. In neutrophils, butyrate constrains functions such as cytokine production and migration, partly through metabolic changes. In microglia, butyrate influences glucose catabolism and reactive oxygen species production. These metabolic shifts are integral to the cellular response and often intersect with epigenetic changes.
Transcriptional and Functional Outcomes
In simple terms: The cell changes which proteins it makes and what it does.
The integration of epigenetic and metabolic signals leads to altered transcription of genes involved in immune function, inflammation, and cell survival. For instance, butyrate enhances the expression of genes associated with T cell memory and stemness, such as FOXO1 targets. In macrophages, butyrate modulates the expression of pro- and anti-inflammatory cytokines. In neutrophils, it suppresses pro-inflammatory functions and promotes resolution of inflammation. These functional outcomes define the cellular response to butyrate.
Cell Fate and Survival Decisions
In simple terms: Butyrate can influence whether cells live, die, or specialize.
Depending on the cell type and context, butyrate can promote survival, apoptosis, or differentiation. In CD8+ T cells, butyrate supports the generation of long-lived memory cells and preserves anti-tumor immunity. In cancer cells, butyrate can induce cell cycle arrest and apoptosis. In myeloid cells, it can shift differentiation toward a less suppressive phenotype. These cell fate decisions are mediated by butyrate-responsive transcription factors and signaling pathways.
Key Genes Involved in GO:1903545 cellular response to butyrate
The following genes and proteins have been experimentally implicated in the cellular response to butyrate, based on the cited literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| HDAC1 | Histone deacetylase; butyrate inhibits its activity, increasing histone acetylation | Epigenetic reprogramming in immune cells |
| HDAC2 | Histone deacetylase; butyrate target | Chromatin remodeling and gene expression |
| HDAC3 | Histone deacetylase; butyrate-sensitive | Metabolic and immune gene regulation |
| FOXO1 | Transcription factor; butyrate promotes FOXO1-induced stemness program | CD8+ T cell memory and anti-tumor immunity |
| SLC16A1 | Monocarboxylate transporter 1; mediates butyrate uptake | Butyrate sensing and transport |
| GPR109A | G-protein-coupled receptor for butyrate | Signaling in immune and epithelial cells |
| GPR43 | G-protein-coupled receptor for short-chain fatty acids | Neutrophil and T cell modulation |
| AMPK | Energy sensor; activated by butyrate-induced metabolic changes | Metabolic reprogramming |
| mTOR | Kinase; butyrate modulates mTOR signaling | T cell differentiation and memory |
| STAT3 | Transcription factor; butyrate affects its activity | Inflammation and immune regulation |
| NF-kB | Transcription factor; butyrate inhibits its activation | Anti-inflammatory responses |
| IL-10 | Anti-inflammatory cytokine; butyrate promotes its expression | Mucosal inflammation resolution |
| TNF-alpha | Pro-inflammatory cytokine; butyrate suppresses its production | Inflammatory bowel disease |
| IFN-gamma | Cytokine; butyrate enhances its production in CD8+ T cells | Anti-tumor immunity |
| Granzyme B | Cytotoxic effector; butyrate supports its expression | CD8+ T cell cytotoxicity |
| Perforin | Cytotoxic effector; butyrate enhances expression | Anti-tumor immunity |
| CD44 | Memory marker; butyrate promotes its expression | T cell memory potential |
| CD62L | Lymph node homing receptor; butyrate maintains its expression | T cell memory |
How Is cellular response to butyrate Regulated?
Cellular response to butyrate is regulated at multiple levels. Butyrate availability is controlled by gut microbial fermentation and host transport. Intracellularly, butyrate inhibits HDACs, leading to changes in histone acetylation and gene expression. Signaling through G-protein-coupled receptors such as GPR109A and GPR43 modulates immune cell functions. Metabolic sensors like AMPK and mTOR integrate butyrate-induced metabolic changes with transcriptional programs. Additionally, butyrate can influence the activity of transcription factors such as FOXO1, NF-kB, and STAT3, which dictate cell-specific responses. The interplay between these regulatory layers ensures context-dependent outcomes.
cellular response to butyrate and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| HDAC1/2/3 | Epigenetic regulation in IBD and cancer | Knockout or point-mutation cell lines to assess butyrate sensitivity |
| FOXO1 | CD8+ T cell memory and melanoma immunity | Knock-in reporter or knockout for stemness assays |
| GPR109A | Butyrate signaling in inflammation | Knockout mice or cell lines for ligand response |
| SLC16A1 | Butyrate uptake in immune cells | Overexpression or knockout to modulate transport |
| AMPK | Metabolic reprogramming in T cells | Point-mutation to activate/inactivate kinase |
Inflammatory Bowel Disease
Butyrate plays a protective role in inflammatory bowel disease (IBD) by constraining neutrophil functions and reducing mucosal inflammation. It suppresses pro-inflammatory cytokine production and enhances barrier function. Dysregulated butyrate responses are associated with IBD pathogenesis, and butyrate supplementation or microbiota-based therapies are being explored.
Primary Biliary Cholangitis
In primary biliary cholangitis, butyrate induces epigenetic and metabolic reprogramming in myeloid-derived suppressor cells, alleviating disease. This highlights the therapeutic potential of targeting butyrate responses in autoimmune liver diseases.
Cancer Immunity
Butyrate enhances CD8+ T cell-mediated anti-tumor immunity and improves the efficacy of anticancer therapies. It promotes T cell memory and stemness, and modulates the tumor microenvironment. These effects make butyrate response pathways attractive targets for cancer immunotherapy.
Neuroinflammation
Butyrate influences microglial function and neuroinflammation. In models of neurodegeneration, butyrate modulates reactive microglia and glucose catabolism, suggesting a role in neuroinflammatory diseases.
From cellular response to butyrate-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X mediate butyrate-induced HDAC inhibition? | Knockout cell line (e.g., HDAC1 KO) treated with butyrate |
| Does a specific mutation in gene Y alter butyrate response? | Point-mutation knock-in cell line |
| Can overexpression of gene Z enhance butyrate sensitivity? | Overexpression cell line |
| What is the role of gene W in butyrate-induced metabolic shift? | Knockout or knockdown with metabolic assays |
| Does butyrate promote T cell memory via FOXO1? | FOXO1 knockout or knock-in reporter T cells |
| Can CRISPR screening identify novel butyrate response genes? | Genome-wide CRISPR library screening in butyrate-treated cells |
How to Study the cellular response to butyrate Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Global gene expression changes | Transcriptional response to butyrate |
| ATAC-seq | Chromatin accessibility | Epigenetic reprogramming |
| ChIP-seq | Histone modifications and TF binding | HDAC inhibition and FOXO1 binding |
| Seahorse assay | Oxidative phosphorylation and glycolysis | Metabolic rewiring |
| Flow cytometry | Immune cell phenotype and function | T cell memory, neutrophil activity |
| ELISA | Cytokine production | Inflammation modulation |
| CRISPR screening | Gene essentiality and modifiers | Identify butyrate response genes |
Transcriptomic Profiling
RNA-seq is used to measure global gene expression changes upon butyrate treatment, revealing transcriptional programs and pathways. It can be combined with chromatin accessibility assays (ATAC-seq) to link epigenetic changes to transcription.
Epigenetic Analysis
Histone acetylation and methylation are assessed by Western blot, ChIP-seq, or mass spectrometry to understand butyrate's HDAC inhibitory effects. These methods identify specific histone marks and genomic loci affected.
Metabolic Assays
Seahorse extracellular flux analysis, metabolomics, and glucose uptake assays measure butyrate-induced metabolic rewiring, such as oxidative phosphorylation and glycolysis.
Functional Immune Assays
Flow cytometry, cytokine ELISAs, and cytotoxicity assays evaluate how butyrate modulates immune cell functions, including T cell memory, neutrophil activity, and macrophage polarization.
How CRISPR Can Be Used to Study GO:1903545 cellular response to butyrate
Knockout
CRISPR knockout of candidate genes (e.g., HDACs, FOXO1, GPR109A) in cell lines or primary cells allows researchers to test whether the gene is required for specific butyrate responses, such as epigenetic reprogramming or metabolic shifts.
Point Mutation
Point mutations can be introduced to mimic disease-associated variants or to abrogate specific post-translational modification sites, enabling precise dissection of signaling pathways activated by butyrate.
Knock-in
Knock-in of reporter tags (e.g., GFP, luciferase) or epitope tags into endogenous loci allows real-time monitoring of gene expression and protein localization in response to butyrate.
Overexpression
Overexpression of genes of interest (e.g., FOXO1, SLC16A1) can enhance butyrate uptake or signaling, helping to identify sufficiency and potential therapeutic targets.
How EDITGENE Supports cellular response to butyrate Research
Researchers studying cellular response to butyrate-related genes often need to determine whether a candidate gene is causally involved in the response or merely correlated. CRISPR-based genetic models provide the gold standard for establishing causality, and EDITGENE offers a comprehensive suite of services to accelerate this research.
Contact EDITGENE today to design your custom CRISPR model for cellular response to butyrate research.
Frequently Asked Questions About cellular response to butyrate
What is GO:1903545 cellular response to butyrate?
GO:1903545 is a Gene Ontology term describing any cellular process that changes in response to butyrate, a short-chain fatty acid produced by gut microbiota.
What genes are involved in cellular response to butyrate?
Key genes include HDAC1, HDAC2, HDAC3, FOXO1, SLC16A1, GPR109A, GPR43, AMPK, and mTOR, among others.
How does butyrate affect immune cells?
Butyrate modulates immune cell functions by inhibiting HDACs, altering metabolism, and changing gene expression, leading to enhanced T cell memory, constrained neutrophil activity, and anti-inflammatory macrophage polarization.
What diseases are linked to butyrate responses?
Butyrate responses are linked to inflammatory bowel disease, primary biliary cholangitis, cancer immunity, and neuroinflammation.
How can I study cellular response to butyrate using CRISPR?
CRISPR knockout, knock-in, point mutation, and overexpression models allow researchers to test the role of specific genes in butyrate responses.
What is the role of HDAC inhibition in butyrate response?
Butyrate inhibits histone deacetylases, increasing histone acetylation and altering gene expression, which is a central mechanism of its cellular effects.
Does butyrate enhance anti-tumor immunity?
Yes, butyrate promotes CD8+ T cell memory and stemness, and improves anticancer therapy efficacy in preclinical models.
What experimental models are used to study butyrate response?
Common models include knockout cell lines, point-mutation knock-ins, overexpression lines, and CRISPR library screens, combined with RNA-seq, ChIP-seq, and metabolic assays.
How does butyrate affect metabolism?
Butyrate can serve as an energy source and promote oxidative phosphorylation, fatty acid oxidation, and other metabolic shifts in immune cells.
What services does EDITGENE offer for butyrate research?
EDITGENE provides knockout, point mutation, knock-in, overexpression cell models, CRISPR library screening, and bioinformatics services to study butyrate response genes.
Conclusion
Cellular response to butyrate (GO:1903545) is a critical biological process that mediates host-microbiome interactions, immune regulation, and disease outcomes. The integration of epigenetic, metabolic, and transcriptional mechanisms ensures context-specific cellular adaptations. CRISPR-based models are indispensable for dissecting the causal roles of individual genes in this response. EDITGENE's comprehensive services empower researchers to uncover new therapeutic targets and advance microbiome-inspired medicine.
References
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- 5. Bachem A et al.. 2019. Microbiota-Derived Short-Chain Fatty Acids Promote the Memory Potential of Antigen-Activated CD8(+) T Cells.. Immunity 51(2):285-297.e5 PMID: 31272808
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