GO:1902661 positive regulation of glucose mediated signaling pathway: Signaling Pathway, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1902661 describes any process that activates or increases the frequency, rate or extent of glucose mediated signaling pathway, a biological process ontology term.
• Glucose mediated signaling is central to metabolic homeostasis, and its positive regulation is implicated in diabetic nephropathy, cancer metabolic reprogramming, and immune cell fitness [1,3,5,8].
• Key positive regulators include VDR, FGF21, PI3K/AKT, and NF-kB-inducing kinase, which modulate glucose sensing and downstream signaling [1,2,5,8].
• Dysregulation of this process contributes to enzalutamide resistance in prostate cancer, pancreatic cancer metastasis, and diabetes-associated cognitive impairment [2,3,4].
• CRISPR knockout, point mutation, knock-in, and overexpression models are essential to dissect causal roles of genes in this pathway.
• EDITGENE provides comprehensive CRISPR services including library screening and bioinformatics to accelerate research on glucose signaling regulation.
Description
Glucose mediated signaling pathway is a fundamental biological process through which cells sense and respond to glucose availability, coordinating metabolism, growth, and survival. The Gene Ontology term GO:1902661, positive regulation of glucose mediated signaling pathway, encompasses any process that activates or increases the frequency, rate or extent of this signaling cascade. This term is critical for understanding how cells adapt to fluctuating glucose levels and how disruptions contribute to diseases such as diabetes, cancer, and immune disorders [1,3,5,8]. Research has shown that positive regulators like VDR activation attenuate renal tubular epithelial cell ferroptosis by modulating Nrf2/HO-1 signaling in diabetic nephropathy, highlighting the therapeutic potential of targeting this pathway. Similarly, methionine restriction alleviates diabetes-associated cognitive impairment via FGF21 activation, demonstrating the broad impact of glucose signaling regulation on neurological outcomes. In cancer, KDM5B-driven glucose metabolic reprogramming promotes enzalutamide resistance in prostate cancer through the lactate/hnRNPA1 lactylation/AR-V7 axis, underscoring the role of positive regulation in therapy resistance. These examples illustrate why GO:1902661 is a focal point for researchers aiming to develop interventions that modulate glucose signaling for clinical benefit.
positive regulation of glucose mediated signaling pathway At A Glance
| GO ID | GO:1902661 |
|---|---|
| GO term | positive regulation of glucose mediated signaling pathway |
| Ontology | biological_process |
| Synonym | activation of glucose mediated signaling pathway; up regulation of glucose mediated signaling pathway; positive regulation of glucose mediated signalling |
| Major function | Enhances glucose sensing and downstream signaling to maintain metabolic homeostasis and cellular responses. |
| Related diseases | Diabetic nephropathy, prostate cancer, pancreatic cancer, diabetes-associated cognitive impairment, obesity [1,2,3,4,6]. |
| Key regulators | VDR, FGF21, PI3K/AKT, NF-kB-inducing kinase, KDM5B [1,2,3,5,8]. |
| Research methods | CRISPR knockout, point mutation, knock-in, overexpression, RNA-seq, proteomics, metabolomics. |
What Is GO:1902661?
GO:1902661 is defined as any process that activates or increases the frequency, rate or extent of glucose mediated signaling pathway. In other words, it covers molecular events that enhance the cell's ability to detect glucose and transmit signals that lead to metabolic, transcriptional, or physiological responses. This positive regulation can occur through increased expression or activity of signaling components, enhanced glucose uptake, or amplification of downstream cascades [1,5,8].
Why Is positive regulation of glucose mediated signaling pathway Important in Cell Biology?
Positive regulation of glucose mediated signaling pathway is essential for normal physiology, as it ensures that cells can appropriately respond to glucose fluctuations. Its dysregulation is a hallmark of metabolic diseases, cancer, and immune dysfunction, making it a high-priority target for therapeutic development [1,3,5,8].
• Maintains glucose homeostasis and energy balance in healthy tissues [1,5].
• Its overactivation contributes to diabetic nephropathy and renal injury [1,5].
• Promotes cancer cell survival and therapy resistance, e.g., enzalutamide resistance in prostate cancer.
• Facilitates epithelial-mesenchymal transition and metastasis in pancreatic cancer.
• Linked to diabetes-associated cognitive impairment and neurodegeneration.
• Modulates T cell metabolic fitness in antitumor immunity.
• Involved in obesity-induced dysregulation of glucose and lipid homeostasis.
• Provides targets for pharmacological intervention, such as GLP-1/GIP dual agonists.
• Serves as a biomarker for metabolic reprogramming in various diseases [3,4].
• Enables researchers to study causal relationships using CRISPR models.
What Happens During positive regulation of glucose mediated signaling pathway?
Glucose Sensing and Receptor Activation
In simple terms: Cells first detect glucose levels through specialized sensors and receptors.
Positive regulation begins with enhanced glucose sensing, often involving increased expression or activity of glucose transporters and receptors. For example, VDR activation attenuates renal tubular epithelial cell ferroptosis by regulating Nrf2/HO-1 signaling in diabetic nephropathy, indicating a role in glucose sensing under hyperglycemic conditions. Similarly, GLP-1/GIP dual agonist tirzepatide normalizes diabetic nephropathy via PI3K/AKT mediated suppression of oxidative stress, linking glucose sensing to downstream signaling.
Signal Transduction Cascade Amplification
In simple terms: Once glucose is sensed, intracellular signals are amplified to produce a robust response.
Positive regulation often involves amplification of kinase cascades such as PI3K/AKT. Tirzepatide treatment enhances PI3K/AKT signaling to suppress oxidative stress in diabetic nephropathy. Additionally, NF-kB-inducing kinase maintains T cell metabolic fitness in antitumor immunity, demonstrating how signal amplification supports immune cell function. Methionine restriction alleviates diabetes-associated cognitive impairment via activation of FGF21, which may amplify glucose signaling in the brain.
Metabolic Reprogramming and Gene Expression
In simple terms: The amplified signals lead to changes in gene expression and metabolism.
Positive regulation can drive metabolic reprogramming, such as the KDM5B-driven glucose metabolic reprogramming that promotes enzalutamide resistance in prostate cancer via the lactate/hnRNPA1 lactylation/AR-V7 axis. PYGL-mediated glucose metabolism reprogramming promotes EMT phenotype and metastasis of pancreatic cancer, illustrating how positive regulation supports malignant phenotypes. miR-432 exacerbates obesity-induced dysregulation of glucose and lipid homeostasis, further linking positive regulation to metabolic gene expression.
Feedback and Crosstalk with Other Pathways
In simple terms: The pathway interacts with other signaling networks to fine-tune responses.
Positive regulation of glucose mediated signaling is subject to feedback and crosstalk. Hyperosmotic stress can positively and negatively regulate glucose uptake, indicating context-dependent modulation. VDR activation intersects with Nrf2/HO-1 signaling, showing crosstalk between glucose signaling and antioxidant responses. These interactions ensure that glucose signaling is integrated with cellular stress and immune pathways.
Key Genes Involved in GO:1902661 positive regulation of glucose mediated signaling pathway
The following genes and proteins are key players in positive regulation of glucose mediated signaling pathway, as supported by published literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| VDR | Vitamin D receptor; activates Nrf2/HO-1 signaling | Attenuates ferroptosis in diabetic nephropathy |
| FGF21 | Fibroblast growth factor 21; metabolic regulator | Alleviates diabetes-associated cognitive impairment |
| KDM5B | Histone demethylase; drives glucose metabolic reprogramming | Promotes enzalutamide resistance in prostate cancer |
| PYGL | Glycogen phosphorylase; glucose metabolism reprogramming | Promotes EMT and metastasis in pancreatic cancer |
| PI3K | Phosphoinositide 3-kinase; signal transduction | Mediates suppression of oxidative stress in diabetic nephropathy |
| AKT | Protein kinase B; downstream of PI3K | Normalizes diabetic nephropathy via PI3K/AKT |
| miR-432 | MicroRNA; regulates glucose and lipid homeostasis | Exacerbates obesity-induced dysregulation |
| NF-kB-inducing kinase | Kinase; maintains T cell metabolic fitness | Supports antitumor immunity |
| Nrf2 | Transcription factor; antioxidant response | Mediates VDR effects in diabetic nephropathy |
| HO-1 | Heme oxygenase-1; antioxidant enzyme | Downstream of Nrf2 in diabetic nephropathy |
| hnRNPA1 | RNA-binding protein; involved in lactylation | Part of KDM5B-driven axis in prostate cancer |
| AR-V7 | Androgen receptor variant 7 | Mediates enzalutamide resistance |
| GLP-1 | Glucagon-like peptide-1; incretin | Target of tirzepatide in diabetic nephropathy |
| GIP | Glucose-dependent insulinotropic polypeptide | Target of tirzepatide in diabetic nephropathy |
| Lactate | Metabolite; signaling molecule | Involved in KDM5B-driven reprogramming |
How Is positive regulation of glucose mediated signaling pathway Regulated?
Positive regulation of glucose mediated signaling pathway is controlled by multiple mechanisms, including transcriptional regulation, post-translational modifications, and feedback loops. For instance, VDR activation modulates Nrf2/HO-1 signaling, which in turn affects glucose signaling in diabetic nephropathy. PI3K/AKT signaling is a central node that can be activated by GLP-1/GIP dual agonists to suppress oxidative stress. NF-kB-inducing kinase maintains T cell metabolic fitness, indicating immune-metabolic regulation. Hyperosmotic stress can both positively and negatively regulate glucose uptake, highlighting context-dependent control.
positive regulation of glucose mediated signaling pathway and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| VDR | Diabetic nephropathy | Knockout mouse or renal tubular epithelial cells with VDR overexpression |
| KDM5B | Prostate cancer enzalutamide resistance | Prostate cancer cell lines with KDM5B knockout or overexpression |
| PYGL | Pancreatic cancer metastasis | Pancreatic cancer cells with PYGL knockout |
| FGF21 | Diabetes-associated cognitive impairment | Neuronal cells or mouse models with FGF21 overexpression |
| miR-432 | Obesity-induced metabolic dysregulation | Adipocytes or hepatocytes with miR-432 mimic/inhibitor |
Diabetic Nephropathy
In diabetic nephropathy, positive regulation of glucose mediated signaling contributes to renal tubular epithelial cell injury. VDR activation attenuates ferroptosis by regulating Nrf2/HO-1 signaling, suggesting that modulating this pathway could be therapeutic. Tirzepatide, a GLP-1/GIP dual agonist, normalizes diabetic nephropathy via PI3K/AKT mediated suppression of oxidative stress, further linking positive regulation to disease mitigation.
Cancer
In prostate cancer, KDM5B-driven glucose metabolic reprogramming promotes enzalutamide resistance via the lactate/hnRNPA1 lactylation/AR-V7 axis, demonstrating how positive regulation supports therapy resistance. In pancreatic cancer, PYGL-mediated glucose metabolism reprogramming promotes EMT phenotype and metastasis, indicating a role in tumor progression.
Diabetes-Associated Cognitive Impairment
Methionine restriction alleviates diabetes-associated cognitive impairment via activation of FGF21, which may involve positive regulation of glucose signaling in the brain. This suggests that targeting glucose signaling could benefit neurological complications of diabetes.
Obesity and Metabolic Dysregulation
miR-432 exacerbates obesity-induced dysregulation of glucose and lipid homeostasis, highlighting the impact of positive regulation on systemic metabolism. NF-kB-inducing kinase maintains T cell metabolic fitness, connecting glucose signaling to immune function in obesity.
From positive regulation of glucose mediated signaling pathway-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X positively regulate glucose signaling? | CRISPR knockout in cell lines followed by glucose uptake assays |
| What is the effect of a point mutation in gene Y? | CRISPR point mutation knock-in in relevant cell types |
| How does overexpression of gene Z affect signaling? | CRISPR-mediated overexpression or cDNA transfection |
| Which proteins interact with the pathway? | Tagged knock-in for immunoprecipitation and proteomics |
| What are the transcriptomic changes? | RNA-seq after CRISPR knockout or overexpression |
| Can we identify novel regulators? | CRISPR library screening with glucose signaling reporters |
How to Study the positive regulation of glucose mediated signaling pathway Process
| Method | What It Measures | Typical Application |
|---|---|---|
| CRISPR knockout | Gene necessity | Identify essential regulators of glucose signaling |
| CRISPR point mutation | Specific residue function | Dissect kinase domain mutations in PI3K/AKT |
| CRISPR knock-in | Tagged protein localization | Study protein interactions in glucose signaling |
| Overexpression | Gene sufficiency | Test if a gene drives metabolic reprogramming |
| RNA-seq | Transcriptomic changes | Profile gene expression after pathway modulation |
| Proteomics | Protein abundance and modifications | Identify lactylation or phosphorylation events |
| Metabolomics | Metabolite levels | Measure glucose uptake and lactate production |
| CRISPR library screening | Novel regulators | Unbiased discovery of pathway components |
CRISPR Knockout
CRISPR knockout is used to eliminate candidate genes and assess their necessity in positive regulation of glucose mediated signaling. For example, knocking out VDR or KDM5B can reveal their roles in diabetic nephropathy or prostate cancer [1,3].
Point Mutation and Knock-in
Point mutations and knock-in models allow precise interrogation of specific residues or variants. For instance, introducing point mutations in PI3K or AKT can dissect their contribution to signaling.
Overexpression
Overexpression of genes like FGF21 or miR-432 can test sufficiency in driving glucose signaling changes [2,6].
Library Screening and Bioinformatics
CRISPR library screening combined with bioinformatics can identify novel regulators of glucose signaling. This approach is powerful for uncovering genes like KDM5B or PYGL in cancer contexts [3,4].
How CRISPR Can Be Used to Study GO:1902661 positive regulation of glucose mediated signaling pathway
Knockout
CRISPR knockout is used to create loss-of-function models for genes such as VDR, KDM5B, and PYGL, enabling researchers to determine their causal role in positive regulation of glucose mediated signaling [1,3,4].
Point Mutation
Point mutation knock-in can mimic disease-associated variants in genes like PI3K or AKT, allowing study of their impact on glucose signaling and downstream phenotypes.
Knock-in
Tagged knock-in of genes such as FGF21 or NF-kB-inducing kinase facilitates tracking protein localization and interactions in glucose signaling pathways [2,8].
Overexpression
CRISPR-mediated overexpression of miR-432 or FGF21 can model gain-of-function states observed in obesity or diabetes, helping to validate their roles in glucose dysregulation [2,6].
How EDITGENE Supports positive regulation of glucose mediated signaling pathway Research
Researchers studying positive regulation of glucose mediated signaling pathway-related genes often need to determine whether a candidate gene is causally involved in the pathway or merely correlated with its activity. This requires precise genetic manipulation, which EDITGENE provides through its comprehensive CRISPR services.
Contact EDITGENE today to design your custom CRISPR model for positive regulation of glucose mediated signaling pathway research.
Frequently Asked Questions About positive regulation of glucose mediated signaling pathway
What is GO:1902661?
GO:1902661 is a Gene Ontology term for positive regulation of glucose mediated signaling pathway, describing any process that activates or increases the frequency, rate or extent of glucose mediated signaling [1,5].
What genes are involved in positive regulation of glucose mediated signaling pathway?
Key genes include VDR, FGF21, KDM5B, PYGL, PI3K, AKT, miR-432, and NF-kB-inducing kinase [1,2,3,4,5,6,8].
How is positive regulation of glucose mediated signaling pathway studied?
Researchers use CRISPR knockout, point mutation, knock-in, overexpression, RNA-seq, proteomics, and metabolomics [1,3,5].
What diseases are associated with dysregulation of this pathway?
Diabetic nephropathy, prostate cancer, pancreatic cancer, diabetes-associated cognitive impairment, and obesity [1,2,3,4,6].
What is the role of VDR in glucose mediated signaling?
VDR activation attenuates renal tubular epithelial cell ferroptosis by regulating Nrf2/HO-1 signaling in diabetic nephropathy.
How does KDM5B affect glucose signaling in cancer?
KDM5B-driven glucose metabolic reprogramming promotes enzalutamide resistance in prostate cancer via the lactate/hnRNPA1 lactylation/AR-V7 axis.
Can CRISPR be used to study this pathway?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models are widely used to dissect gene function in glucose signaling [1,3,4].
What is the connection between FGF21 and glucose signaling?
Methionine restriction alleviates diabetes-associated cognitive impairment via activation of FGF21, which may involve positive regulation of glucose signaling.
How does PI3K/AKT regulate glucose signaling?
GLP-1/GIP dual agonist tirzepatide normalizes diabetic nephropathy via PI3K/AKT mediated suppression of oxidative stress.
What services does EDITGENE offer for studying this pathway?
EDITGENE provides CRISPR knockout, point mutation, knock-in, overexpression, library screening, and bioinformatics services [1,3,4,5].
Conclusion
Positive regulation of glucose mediated signaling pathway (GO:1902661) is a critical biological process with broad implications for metabolic diseases, cancer, and immune function. Understanding its molecular players and regulatory mechanisms can reveal new therapeutic targets. EDITGENE's comprehensive CRISPR services empower researchers to dissect this pathway with precision and accelerate translational discoveries.
References
- 1. Wang H et al.. 2024. VDR Activation Attenuates Renal Tubular Epithelial Cell Ferroptosis by Regulating Nrf2/HO-1 Signaling Pathway in Diabetic Nephropathy.. Adv Sci (Weinh) 11(10):e2305563 PMID: 38145959
- 2. Zhang Y et al.. 2024. Methionine restriction alleviates diabetes-associated cognitive impairment via activation of FGF21.. Redox Biol 77:103390 PMID: 39383602
- 3. Sun R et al.. 2026. KDM5B-driven glucose metabolic reprogramming promotes enzalutamide resistance in prostate cancer via the lactate/hnRNPA1 lactylation/AR-V7 axis.. Mol Cancer 25(1) PMID: 41787526
- 4. Ji Q et al.. 2023. PYGL-mediated glucose metabolism reprogramming promotes EMT phenotype and metastasis of pancreatic cancer.. Int J Biol Sci 19(6):1894-1909 PMID: 37063425
- 5. Tian Y et al.. 2025. GLP-1/GIP dual agonist tirzepatide normalizes diabetic nephropathy via PI3K/AKT mediated suppression of oxidative stress.. Int Immunopharmacol 146:113877 PMID: 39700965
- 6. Wang C et al.. 2026. miR-432 Exacerbates Obesity-Induced Dysregulation of Glucose and Lipid Homeostasis.. Diabetes 75(1):22-36 PMID: 41218910
- 7. Gual P et al.. 2003. Positive and negative regulation of glucose uptake by hyperosmotic stress.. Diabetes Metab 29(6):566-75 PMID: 14707885
- 8. Gu M et al.. 2021. NF-κB-inducing kinase maintains T cell metabolic fitness in antitumor immunity.. Nat Immunol 22(2):193-204 PMID: 33398181
