GO:0070562 regulation of vitamin D receptor signaling pathway: Mechanism, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0070562 describes any process that modulates the frequency, rate or extent of vitamin D receptor (VDR) signaling pathway activity.
• VDR is a nuclear receptor activated by 1,25-dihydroxyvitamin D3, which regulates gene expression in calcium homeostasis, immunity, and cell growth.
• Dysregulation of VDR signaling is implicated in cancer, chronic kidney disease, fibrosis, and immune disorders.
• Key regulatory nodes include CYP27B1, CYP24A1, NR0B2, and coactivators such as NCOA1 and MED1.
• CRISPR knockout, point mutation, knock-in, and overexpression models enable causal dissection of VDR pathway regulation.
• Understanding this process supports therapeutic targeting in oncology, nephrology, and immunology.
Description
The Gene Ontology term GO:0070562, regulation of vitamin D receptor signaling pathway, encompasses any process that modulates the frequency, rate or extent of vitamin D receptor (VDR) signaling pathway activity. VDR is a ligand-activated nuclear receptor that mediates the biological actions of 1,25-dihydroxyvitamin D3, the active form of vitamin D. This signaling pathway is critical for calcium and phosphate homeostasis, bone metabolism, immune regulation, and cell differentiation. Researchers study this term to understand how VDR activity is fine-tuned in health and disease, and to identify points of therapeutic intervention. The pathway is regulated at multiple levels, including ligand availability, receptor expression, cofactor recruitment, and post-translational modifications. Dysregulation of VDR signaling has been linked to cancer, chronic kidney disease, fibrosis, and immune disorders. Thus, GO:0070562 provides a framework for investigating the molecular mechanisms that control VDR signaling and their impact on human disease.
regulation of vitamin D receptor signaling pathway At A Glance
| GO ID | GO:0070562 |
|---|---|
| GO term | regulation of vitamin D receptor signaling pathway |
| Ontology | biological_process |
| Synonym | regulation of VDR signaling pathway; regulation of vitamin D receptor signalling pathway |
| Major function | Modulates the activity of the vitamin D receptor signaling pathway |
| Related pathway | Vitamin D metabolism and nuclear receptor signaling |
| Key regulator | 1,25-dihydroxyvitamin D3 (calcitriol) and its metabolizing enzymes |
| Disease relevance | Cancer, chronic kidney disease, fibrosis, immune disorders |
What Is GO:0070562?
GO:0070562 is defined as any process that modulates the frequency, rate or extent of vitamin D receptor signaling pathway activity. In other words, it includes all molecular events that adjust how strongly or how often the VDR signaling cascade operates, from ligand synthesis and receptor availability to downstream transcriptional output.
Why Is regulation of vitamin D receptor signaling pathway Important in Cell Biology?
Regulation of VDR signaling is essential for maintaining mineral homeostasis, immune function, and cellular differentiation, and its dysregulation contributes to major human diseases including cancer, chronic kidney disease, and fibrosis. Understanding how this pathway is controlled offers opportunities for therapeutic intervention and biomarker development.
• Controls calcium and phosphate homeostasis and bone health.
• Modulates innate and adaptive immunity.
• Influences cell proliferation, differentiation, and apoptosis.
• Dysregulated in diabetic nephropathy and renal fibrosis.
• Suppresses pancreatitis-associated stromal reprogramming.
• Attenuates liver fibrosis via NF-kB inhibition.
• Regulates vascular cell function and cardiovascular health.
• Provides targets for vitamin D analogs in cancer therapy.
• Serves as a model for nuclear receptor signaling regulation.
• Enables CRISPR-based functional genomics of the pathway.
What Happens During regulation of vitamin D receptor signaling pathway?
Ligand availability and metabolism
In simple terms: The amount of active vitamin D available to bind VDR is controlled by enzymes that make or break it down.
The VDR signaling pathway is initiated by 1,25-dihydroxyvitamin D3, whose levels are regulated by CYP27B1 (activating) and CYP24A1 (inactivating). Regulation of these enzymes directly modulates VDR signaling output.
VDR expression and nuclear translocation
In simple terms: The receptor itself must be present and move into the nucleus to work.
VDR expression is regulated by hormones, cytokines, and its own ligand. Upon ligand binding, VDR translocates to the nucleus and heterodimerizes with RXR, a key regulatory step.
Transcriptional cofactor recruitment
In simple terms: Helper proteins are recruited to turn target genes on or off.
VDR-RXR dimers recruit coactivators such as NCOA1 and MED1 or corepressors, modulating target gene transcription. This recruitment is a major point of regulation.
Feedback and crosstalk
In simple terms: The pathway can shut itself down or interact with other signals.
VDR signaling induces CYP24A1, which degrades the ligand, forming a negative feedback loop. It also crosstalks with NF-kB and Nrf2 pathways, integrating immune and oxidative stress signals.
Key Genes Involved in GO:0070562 regulation of vitamin D receptor signaling pathway
Key genes and proteins involved in regulation of VDR signaling include metabolic enzymes, the receptor itself, heterodimer partners, and cofactors.
| Gene | Major Role | Research Relevance |
|---|---|---|
| VDR | Nuclear receptor for 1,25-dihydroxyvitamin D3 | Central to pathway; target for knockout and mutation studies |
| CYP27B1 | Activates vitamin D to 1,25-dihydroxyvitamin D3 | Regulates ligand availability |
| CYP24A1 | Inactivates 1,25-dihydroxyvitamin D3 | Feedback regulation; knockout models |
| RXRA | Heterodimer partner for VDR | Essential for DNA binding and transcription |
| NCOA1 | Transcriptional coactivator | Modulates VDR target gene activation |
| MED1 | Mediator complex subunit | Coactivator for VDR signaling |
| NR0B2 | Corepressor of VDR | Negative regulation of VDR signaling |
| NFKB1 | Crosstalk with VDR signaling | Inflammation and fibrosis models |
| NFE2L2 | Nrf2, antioxidant pathway crosstalk | Ferroptosis and oxidative stress |
| ACLY | Lipid metabolism enzyme | Regulated by VDR in diabetic nephropathy |
| HMOX1 | HO-1, antioxidant enzyme | VDR-Nrf2 crosstalk |
| VDR target genes | Calbindin, osteocalcin, etc. | Readouts of pathway activity |
| KLF4 | Transcription factor | Modulated by VDR in cancer |
| CDKN1A | Cell cycle inhibitor | VDR-induced growth arrest |
| CASP3 | Apoptosis effector | VDR-mediated apoptosis |
| VEGFA | Angiogenesis regulator | VDR-modulated in cancer |
| TGFB1 | Fibrosis mediator | VDR crosstalk in fibrosis |
How Is regulation of vitamin D receptor signaling pathway Regulated?
Regulation of VDR signaling is controlled by ligand availability, receptor expression, cofactor recruitment, and post-translational modifications. Feedback loops involving CYP24A1 and crosstalk with NF-kB and Nrf2 pathways further modulate the pathway.
regulation of vitamin D receptor signaling pathway and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| VDR | Cancer, fibrosis, immune disorders | VDR knockout mice, cancer cell lines |
| CYP27B1 | Chronic kidney disease | Cyp27b1 knockout mice |
| CYP24A1 | Hypercalcemia, kidney disease | Cyp24a1 knockout mice |
| NFE2L2 | Diabetic nephropathy | Nrf2 knockout mice, renal cells |
| NFKB1 | Liver fibrosis | NF-kB reporter mice, hepatic stellate cells |
Cancer
VDR signaling regulates cell proliferation, differentiation, and apoptosis, and its dysregulation is implicated in multiple cancers. Vitamin D receptor-mediated stromal reprogramming suppresses pancreatitis and enhances pancreatic cancer therapy.
Chronic kidney disease and diabetic nephropathy
VDR activation attenuates renal tubular epithelial cell ferroptosis by regulating Nrf2/HO-1 signaling in diabetic nephropathy. VDR also alleviates lipid peroxidation via ACLY/Nrf2/Keap1 pathway.
Fibrosis
Calcipotriol attenuates liver fibrosis through inhibition of VDR-mediated NF-kB signaling. VDR signaling in stromal cells suppresses pancreatitis-associated fibrosis.
Immune disorders
Vitamin D and its analogs regulate immune system function, with VDR signaling modulating innate and adaptive immunity. Dysregulation contributes to autoimmune and inflammatory diseases.
From regulation of vitamin D receptor signaling pathway-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does VDR loss affect tumor growth? | VDR knockout cancer cell lines and xenografts |
| How does VDR mutation affect ligand binding? | Point-mutation knock-in mice |
| What is the role of VDR in immune cells? | Conditional VDR knockout in immune lineages |
| Can VDR overexpression protect against fibrosis? | VDR overexpression in hepatic stellate cells |
| How does VDR regulate Nrf2 pathway? | VDR knockout renal tubular cells |
| What are VDR target genes in cancer? | VDR overexpression with RNA-seq |
How to Study the regulation of vitamin D receptor signaling pathway Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Gene expression changes | Identify VDR target genes |
| ChIP-seq | VDR DNA binding sites | Map VDR cistrome |
| Proteomics | Protein interactions and modifications | Discover cofactors |
| Luciferase reporter | Transcriptional activity | Screen VDR modulators |
| CRISPR screen | Gene essentiality and modifiers | Identify regulators of VDR signaling |
| Immunofluorescence | VDR localization | Nuclear translocation studies |
| Flow cytometry | Cell cycle and apoptosis | VDR effects on proliferation |
Proteomics and interactomics
Mass spectrometry reveals VDR cofactor complexes and post-translational modifications.
Genomic binding assays
ChIP-seq and ATAC-seq map VDR binding sites and chromatin accessibility.
Functional assays
Luciferase reporters, cell proliferation, and apoptosis assays measure VDR signaling output.
How CRISPR Can Be Used to Study GO:0070562 regulation of vitamin D receptor signaling pathway
Knockout
CRISPR knockout of VDR or its regulators (e.g., CYP27B1, CYP24A1) enables loss-of-function studies in cancer and kidney disease models.
Point Mutation
Point mutations in VDR ligand-binding domain can mimic human vitamin D-resistant rickets and dissect ligand-dependent regulation.
Knock-in
Knock-in of tagged VDR (e.g., GFP or HA) allows live-cell imaging and chromatin immunoprecipitation.
Overexpression
Overexpression of VDR or its coactivators enhances pathway activity and can protect against fibrosis or cancer progression.
How EDITGENE Supports regulation of vitamin D receptor signaling pathway Research
Researchers studying regulation of vitamin D receptor signaling pathway-related genes often need to determine whether a candidate gene is causally involved in pathway regulation or disease. EDITGENE provides CRISPR-based cell model services to enable such functional studies.
Contact EDITGENE today to design your custom CRISPR model for regulation of vitamin D receptor signaling pathway research.
Frequently Asked Questions About regulation of vitamin D receptor signaling pathway
What is GO:0070562?
GO:0070562 is the Gene Ontology term for regulation of vitamin D receptor signaling pathway, describing any process that modulates the frequency, rate or extent of VDR signaling activity.
What genes are involved in regulation of vitamin D receptor signaling pathway?
Key genes include VDR, CYP27B1, CYP24A1, RXRA, NCOA1, MED1, and NR0B2.
How is VDR signaling regulated?
VDR signaling is regulated by ligand availability, receptor expression, cofactor recruitment, and feedback loops involving CYP24A1.
What diseases are linked to VDR signaling dysregulation?
Cancer, chronic kidney disease, diabetic nephropathy, fibrosis, and immune disorders.
What is the role of VDR in cancer?
VDR regulates cell proliferation, differentiation, and apoptosis, and its activation can suppress tumor growth.
How can CRISPR be used to study VDR signaling?
CRISPR knockout, point mutation, knock-in, and overexpression models enable causal dissection of VDR pathway regulation.
What are the main regulators of VDR signaling?
1,25-dihydroxyvitamin D3, CYP27B1, CYP24A1, and cofactors such as NCOA1 and MED1.
What is the role of VDR in kidney disease?
VDR activation attenuates renal tubular ferroptosis and lipid peroxidation via Nrf2 pathways in diabetic nephropathy.
How does VDR signaling affect fibrosis?
VDR signaling inhibits NF-kB and stromal reprogramming, attenuating liver and pancreatic fibrosis.
What methods are used to study VDR signaling?
RNA-seq, ChIP-seq, proteomics, luciferase reporters, and CRISPR screens.
Conclusion
GO:0070562 regulation of vitamin D receptor signaling pathway is a critical biological process that controls diverse physiological functions and is implicated in major diseases. Understanding its regulation offers therapeutic opportunities, and CRISPR-based models are powerful tools for dissecting its mechanisms.
References
- 1. Christakos S et al.. 2016. Vitamin D: Metabolism, Molecular Mechanism of Action, and Pleiotropic Effects.. Physiol Rev 96(1):365-408 PMID: 26681795
- 2. Artusa P et al.. 2025. Vitamin D and its analogs in immune system regulation.. Pharmacol Rev 77(2):100032 PMID: 40148037
- 3. 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
- 4. Zhou Y et al.. 2024. Vitamin D receptor alleviates lipid peroxidation in diabetic nephropathy by regulating ACLY/Nrf2/Keap1 pathway.. FASEB J 38(18):e70060 PMID: 39302807
- 5. Sherman MH et al.. 2014. Vitamin D receptor-mediated stromal reprogramming suppresses pancreatitis and enhances pancreatic cancer therapy.. Cell 159(1):80-93 PMID: 25259922
- 6. Campbell MJ et al.. 2017. Vitamin D Receptor Signaling and Cancer.. Endocrinol Metab Clin North Am 46(4):1009-1038 PMID: 29080633
- 7. Gong J et al.. 2022. Calcipotriol attenuates liver fibrosis through the inhibition of vitamin D receptor-mediated NF-κB signaling pathway.. Bioengineered 13(2):2658-2672 PMID: 35043727
- 8. Jamali N et al.. 2018. Vitamin D and regulation of vascular cell function.. Am J Physiol Heart Circ Physiol 314(4):H753-H765 PMID: 29351464
