GO:1903522 regulation of blood circulation: Physiological Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1903522 regulation of blood circulation is a biological process that modulates the frequency, rate or extent of blood circulation.
• Blood circulation is regulated by neural, hormonal, paracrine and local metabolic mechanisms that adjust cardiac output and vascular tone.
• Key regulators include prostaglandins, nitric oxide, endothelin, and venular-arteriolar communication pathways.
• Dysregulation of blood circulation contributes to hypertension, coronary artery disease, endometriosis-associated infertility and erectile dysfunction.
• CRISPR knockout, point mutation, knock-in and overexpression models enable causal testing of candidate regulators in endothelial, smooth muscle and pericyte lineages.
• EDITGENE provides end-to-end CRISPR services including library screening and bioinformatics to dissect regulation of blood circulation.
Description
Regulation of blood circulation (GO:1903522) is a fundamental biological process that ensures adequate perfusion of tissues according to metabolic demand. It encompasses the modulation of cardiac output, vascular resistance, and local blood flow distribution, integrating neural, hormonal, and local factors. This process is essential for oxygen and nutrient delivery, waste removal, and maintenance of homeostasis. Researchers study GO:1903522 to understand cardiovascular physiology and to identify therapeutic targets for hypertension, ischemia, and other circulatory disorders. The term is defined in QuickGO as any process that modulates the frequency, rate or extent of blood circulation. Experimental models, including CRISPR-engineered cell and animal models, have been instrumental in dissecting the molecular players involved.
regulation of blood circulation At A Glance
| GO ID | GO:1903522 |
|---|---|
| GO term | regulation of blood circulation |
| Ontology | biological_process |
| Synonym | regulation of hemolymph circulation |
| Major function | Modulates frequency, rate or extent of blood circulation |
| Related processes | Vascular tone regulation, cardiac output modulation, microcirculation |
| Key regulators | Prostaglandins, nitric oxide, endothelin, venular-arteriolar communication |
| Disease relevance | Hypertension, coronary artery disease, erectile dysfunction, endometriosis-associated infertility |
What Is GO:1903522?
GO:1903522 regulation of blood circulation refers to any biological process that modulates the frequency, rate, or extent of blood circulation. This includes adjustments in heart rate, stroke volume, vascular smooth muscle tone, and microcirculatory flow. The process operates at systemic, regional, and local levels, involving neural reflexes, circulating hormones, and paracrine signals. It is a critical homeostatic mechanism that matches blood supply to tissue metabolic needs.
Why Is regulation of blood circulation Important in Cell Biology?
Regulation of blood circulation is vital for maintaining tissue perfusion and systemic homeostasis. Its dysregulation underlies major cardiovascular diseases, including hypertension, coronary artery disease, and heart failure. Understanding the molecular mechanisms of GO:1903522 can reveal therapeutic targets and biomarkers for these conditions. Moreover, local regulation of blood flow is critical in reproductive biology, as shown by the role of corpora cavernosa fibroblasts in penile erection and the use of blood circulation-regulating therapy in endometriosis-associated infertility.
• Maintains adequate oxygen and nutrient delivery to tissues.
• Regulates blood pressure and cardiac output.
• Controls local blood flow in response to metabolic demand.
• Involved in penile erection and reproductive function.
• Dysregulated in coronary artery disease and myocardial ischemia.
• Target of prostaglandin-mediated vasodilation and vasoconstriction.
• Venular-arteriolar communication coordinates microvascular perfusion.
• Relevant to endometriosis-associated infertility therapies.
• Provides mechanistic insights for antihypertensive drug development.
• CRISPR models enable causal gene validation in circulatory regulation.
What Happens During regulation of blood circulation?
Neural and Reflex Control
In simple terms: The brain and nerves constantly adjust heart rate and blood vessel width to keep blood pressure stable.
Neural mechanisms, including baroreceptor and chemoreceptor reflexes, rapidly modulate sympathetic and parasympathetic outflow to the heart and vasculature, thereby regulating blood circulation. These reflexes adjust heart rate, contractility, and vascular smooth muscle tone to maintain perfusion.
Hormonal and Paracrine Regulation
In simple terms: Hormones and local signals tell blood vessels to relax or tighten.
Circulating hormones such as catecholamines, angiotensin II, and vasopressin, as well as local paracrine factors like prostaglandins and nitric oxide, regulate vascular tone and cardiac function. Prostaglandins, for example, modulate blood flow in various vascular beds.
Local Metabolic and Myogenic Control
In simple terms: Tissues and blood vessels themselves sense oxygen and pressure to adjust flow locally.
Local metabolic factors (e.g., adenosine, CO2, pH) and myogenic responses of vascular smooth muscle adjust arteriolar diameter to match blood flow with tissue metabolic demand. Venular-arteriolar communication also contributes to local flow regulation.
Microcirculatory Integration
In simple terms: The smallest blood vessels communicate to fine-tune blood delivery.
In the microcirculation, signals from venules can influence arteriolar tone, a phenomenon known as venular-arteriolar communication, which helps coordinate capillary perfusion. This integration ensures efficient exchange of gases and nutrients.
Reproductive and Special Circulations
In simple terms: Some organs, like the penis, have unique blood flow regulation.
Specialized circulatory regulation occurs in reproductive organs; for instance, corpora cavernosa fibroblasts mediate penile erection by regulating blood flow. Similarly, coronary blood flow is tightly regulated to meet myocardial oxygen demand.
Key Genes Involved in GO:1903522 regulation of blood circulation
The following genes and proteins are key players in the regulation of blood circulation, based on published literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| PTGS1 | Prostaglandin synthesis | Prostaglandin-mediated blood flow regulation |
| PTGS2 | Prostaglandin synthesis | Inflammation and vascular tone |
| NOS3 | Nitric oxide production | Endothelial vasodilation |
| EDN1 | Vasoconstriction | Endothelin-mediated vascular tone |
| ADRB2 | Vascular smooth muscle relaxation | Beta-adrenergic blood flow control |
| AGTR1 | Angiotensin II signaling | Blood pressure regulation |
| ADORA2A | Adenosine-mediated vasodilation | Metabolic blood flow control |
| KCNMA1 | Smooth muscle membrane potential | Myogenic tone regulation |
| CACNA1C | Calcium influx in smooth muscle | Vascular contractility |
| GUCY1A1 | cGMP signaling | Nitric oxide-mediated vasodilation |
| PDE5A | cGMP degradation | Erectile function and blood flow |
| VEGFA | Angiogenesis and permeability | Microvascular regulation |
| ACE | Angiotensin II generation | Blood pressure control |
| REN | Renin-angiotensin system | Systemic blood pressure |
| CX40 | Gap junction communication | Venular-arteriolar communication |
| CX43 | Gap junction communication | Microvascular coordination |
| P2RX1 | Purine signaling | Local blood flow regulation |
| KCNJ8 | Potassium channel | Vascular tone |
How Is regulation of blood circulation Regulated?
Regulation of blood circulation is itself regulated by multiple feedback loops. Neural reflexes modulate sympathetic and parasympathetic outflow. Hormonal systems, including the renin-angiotensin-aldosterone system and catecholamines, adjust vascular tone and cardiac output. Local factors such as prostaglandins, nitric oxide, and adenosine provide fine-tuning. Venular-arteriolar communication adds another layer of local control. In reproductive tissues, specialized mechanisms such as those mediated by corpora cavernosa fibroblasts regulate penile erection.
regulation of blood circulation and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| PDE5A | Erectile dysfunction | Knockout mouse or cell model |
| NOS3 | Hypertension, endothelial dysfunction | Point mutation knock-in |
| PTGS2 | Inflammation, vascular disease | Overexpression in endothelial cells |
| EDN1 | Pulmonary hypertension | Knock-in of human variant |
| AGTR1 | Hypertension | Knockout rat |
Hypertension and Cardiovascular Disease
Dysregulation of blood circulation is central to hypertension, coronary artery disease, and heart failure. Impaired regulation of coronary blood flow can lead to myocardial ischemia. Prostaglandin and nitric oxide pathways are often altered in these conditions.
Erectile Dysfunction
Erectile dysfunction often results from impaired regulation of penile blood flow. Corpora cavernosa fibroblasts and their interactions with vascular and neural components are critical for erection. PDE5A inhibitors are used clinically to enhance cGMP signaling and improve blood flow.
Endometriosis-Associated Infertility
Endometriosis-associated infertility has been treated with strategies that activate blood circulation and regulate Gan (Liver) and tonify Shen (Kidney). This traditional approach highlights the importance of circulatory regulation in reproductive disorders.
From regulation of blood circulation-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X regulate vascular tone? | Knockout in vascular smooth muscle cells |
| Does variant Y alter blood flow? | Point mutation knock-in in endothelial cells |
| Does protein Z localize to vessels? | Tagged knock-in in mice |
| Does overexpression of gene W increase perfusion? | Overexpression in zebrafish |
| Which genes regulate microcirculation? | CRISPR library screening in endothelial cells |
| Does gene V affect penile erection? | Knockout mouse corpora cavernosa |
How to Study the regulation of blood circulation Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Doppler ultrasound | Blood flow velocity | In vivo assessment of circulation |
| Laser speckle imaging | Microvascular perfusion | Skin or organ blood flow |
| Intravital microscopy | Vessel diameter and flow | Microcirculation studies |
| Pressure myography | Vascular reactivity | Arterial tone ex vivo |
| RNA-seq | Gene expression | Identifying regulators |
| CRISPR screening | Gene function | Discovery of novel regulators |
| Proteomics | Protein abundance and modifications | Pathway analysis |
In Vivo Blood Flow Measurement
Doppler ultrasound, laser speckle contrast imaging, and intravital microscopy are used to measure blood flow velocity and vessel diameter in animal models. These methods assess the functional impact of genetic manipulations on regulation of blood circulation.
Genetic and Genomic Approaches
CRISPR-Cas9 knockout, knock-in, and overexpression models enable causal testing of candidate genes. RNA-seq and single-cell transcriptomics can identify gene expression changes in vascular cells.
Pharmacological and Physiological Assays
Pressure myography, wire myography, and perfusion assays measure vascular reactivity ex vivo. These techniques help dissect the roles of prostaglandins, nitric oxide, and other mediators.
Bioinformatics and Pathway Analysis
Computational analysis of transcriptomic and proteomic data can reveal enriched pathways related to GO:1903522. Network analysis identifies key regulators and potential drug targets.
How CRISPR Can Be Used to Study GO:1903522 regulation of blood circulation
Knockout
CRISPR knockout of candidate genes in endothelial or smooth muscle cells can determine their necessity for regulation of blood circulation. For example, knockout of PDE5A or NOS3 alters vascular function.
Point Mutation
Introducing disease-associated point mutations (e.g., in AGTR1 or EDN1) via CRISPR base editing or HDR allows testing of their impact on blood flow regulation.
Knock-in
Knock-in of reporter tags (e.g., GFP) or human orthologs enables visualization and functional studies of proteins involved in blood circulation.
Overexpression
CRISPR activation (CRISPRa) or transgenic overexpression of genes like VEGFA or PTGS2 can enhance or disrupt blood flow regulation, providing gain-of-function insights.
How EDITGENE Supports regulation of blood circulation Research
Researchers studying regulation of blood circulation-related genes often need to determine whether a candidate gene is causally involved in vascular or cardiac function. EDITGENE provides comprehensive CRISPR services to accelerate this discovery.
Contact EDITGENE today to design your custom CRISPR model for regulation of blood circulation research.
Frequently Asked Questions About regulation of blood circulation
What is GO:1903522 regulation of blood circulation?
GO:1903522 is a Gene Ontology biological process term defined as any process that modulates the frequency, rate or extent of blood circulation.
What genes are involved in regulation of blood circulation?
Key genes include PTGS1, PTGS2, NOS3, EDN1, ADRB2, AGTR1, and PDE5A, among others.
How is blood circulation regulated?
It is regulated by neural reflexes, hormones, paracrine factors, and local metabolic and myogenic mechanisms.
What diseases are associated with dysregulation of blood circulation?
Hypertension, coronary artery disease, erectile dysfunction, and endometriosis-associated infertility.
What is the role of prostaglandins in blood circulation?
Prostaglandins modulate vascular tone and blood flow in various vascular beds.
How do venular-arteriolar communications regulate blood flow?
Signals from venules can influence arteriolar tone, coordinating capillary perfusion.
What experimental models are used to study regulation of blood circulation?
CRISPR knockout, knock-in, overexpression models, and in vivo imaging techniques.
How can CRISPR help study regulation of blood circulation?
CRISPR enables precise genetic manipulation to test causal roles of candidate genes in vascular and cardiac function.
What is the link between blood circulation and penile erection?
Corpora cavernosa fibroblasts mediate penile erection by regulating blood flow.
What services does EDITGENE offer for blood circulation research?
EDITGENE provides knockout, point mutation, knock-in, overexpression models, CRISPR library screening, and bioinformatics services.
Conclusion
Regulation of blood circulation (GO:1903522) is a critical biological process with broad implications for cardiovascular health and disease. Understanding its molecular mechanisms can lead to new therapeutic strategies for hypertension, erectile dysfunction, and infertility. CRISPR-based models and EDITGENE services empower researchers to dissect these pathways with precision.
References
- 1. Guimaraes EL et al.. 2024. Corpora cavernosa fibroblasts mediate penile erection.. Science 383(6683):eade8064 PMID: 38330107
- 2. Angyán L. 1991. [Regulation of blood circulation].. Orv Hetil 132(17):899-904 PMID: 2027660
- 3. Trzebski A. 1978. [Blood circulation regulation].. Acta Physiol Pol 29 Suppl 17:1-3 PMID: 751455
- 4. Boushel R et al.. 2004. Regulation of blood flow by prostaglandins.. Curr Vasc Pharmacol 2(2):191-7 PMID: 15320520
- 5. Miller A et al.. 2026. Energy, flow and pressure in the cardiovascular system: a narrative review of how the circulation works.. Anaesthesia 81(10):1386-1399 PMID: 42157570
- 6. Nuutinen EM. 1987. Regulation of coronary blood flow.. Ann Chir Gynaecol 76(1):12-21 PMID: 2954505
- 7. Hester RL et al.. 2002. Venular-arteriolar communication in the regulation of blood flow.. Am J Physiol Regul Integr Comp Physiol 282(5):R1280-5 PMID: 11959667
- 8. Zhao RH. 2019. Strategies for Activating Blood Circulation-Regulating Gan (Liver)-Tonifying Shen (Kidney) Sequential Therapy of Endometriosis-Associated Infertility.. Chin J Integr Med 25(4):243-245 PMID: 29594941
