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Eicosanoids and Hypertension Pharmacology
Research Guide
What is Eicosanoids and Hypertension Pharmacology?
Eicosanoids and Hypertension Pharmacology is the study of arachidonic acid derivatives, particularly epoxyeicosatrienoic acids (EETs), cytochrome P450 enzymes, and soluble epoxide hydrolase, focusing on their metabolism, functions in cardiovascular regulation and inflammation, and therapeutic potential in hypertension.
This field encompasses 58,873 papers on the roles of eicosanoids like EETs in hypertension and cardiovascular function. Cytochrome P450 enzymes metabolize arachidonic acid to produce these bioactive lipids, which influence vascular tone and inflammation. Soluble epoxide hydrolase degrades EETs, presenting a target for pharmacological intervention in hypertension.
Topic Hierarchy
Research Sub-Topics
Epoxyeicosatrienoic Acids in Vascular Function
Research investigates EET-mediated hyperpolarization of smooth muscle and endothelial protection via KCa channels. Studies link EETs to angiogenesis and blood pressure regulation.
Cytochrome P450 Epoxygenases in Hypertension
Genetic polymorphisms in CYP2J2 and CYP2C8/9, enzyme kinetics, and tissue-specific expression are characterized. Animal models test CYP induction effects on blood pressure.
Soluble Epoxide Hydrolase Inhibition Therapy
Design and screening of sEH inhibitors increase EET bioavailability; clinical trials assess anti-hypertensive and anti-inflammatory efficacy. Biomarker studies monitor diol metabolites.
Eicosanoid Metabolism in Cardiovascular Inflammation
Cross-talk between EETs, prostaglandins, and leukotrienes in monocyte activation and plaque formation is dissected. Lipidomics profiles dynamic shifts in disease states.
Arachidonic Acid Cytochrome P450 Pathways Regulation
Transcriptional control by Nrf2, PPAR, and hypoxia-inducible factors modulates CYP expression. Pharmacokinetic interactions with drugs affect eicosanoid profiles.
Why It Matters
Eicosanoids such as EETs, produced via cytochrome P450 enzymes, regulate vascular smooth muscle relaxation and counteract hypertension by modulating endothelial function. "Cytochrome P450 enzymes in drug metabolism: Regulation of gene expression, enzyme activities, and impact of genetic variation" by Zanger and Schwab (2013) details how CYP enzymes from the CYP1, 2, and 3 families handle 70-80% of drug biotransformation, highlighting their role in pharmacotherapy for cardiovascular conditions. Inhibition of soluble epoxide hydrolase to stabilize EETs offers a specific therapeutic strategy for hypertension management, as these pathways intersect with inflammation control in affected patients.
Reading Guide
Where to Start
"Cytochrome P450 enzymes in drug metabolism: Regulation of gene expression, enzyme activities, and impact of genetic variation" by Zanger and Schwab (2013), as it provides foundational knowledge on CYP enzymes' role in metabolizing arachidonic acid to EETs and their drug interactions relevant to hypertension pharmacology.
Key Papers Explained
"Cytochrome P450 enzymes in drug metabolism: Regulation of gene expression, enzyme activities, and impact of genetic variation" by Zanger and Schwab (2013) establishes CYP enzymes' central role in eicosanoid production and 70-80% of drug metabolism. This builds toward understanding nitric oxide pathways in "Nitric oxide synthases: regulation and function" by Förstermann and Sessa (2011), which details NOS isoforms using similar cofactors like NADPH for vascular regulation intersecting with EET effects. "Short-Term Effects of Nose-Only Cigarette Smoke Exposure on Glutathione Redox Homeostasis, Cytochrome P450 1A1/2 and Respiratory Enzyme Activities in Mice Tissues" by Raza et al. (2013) demonstrates CYP1A1/2 modulation in oxidative stress, linking to hypertension risk via redox imbalance.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Research emphasizes cytochrome P450-mediated EET production and soluble epoxide hydrolase inhibition as hypertension targets, with no recent preprints or news in the last 12 months indicating steady focus on established pathways like those in Zanger and Schwab (2013).
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Short-Term Effects of Nose-Only Cigarette Smoke Exposure on Gl... | 2013 | Cellular Physiology an... | 47.3K | ✓ |
| 2 | Nitric oxide release accounts for the biological activity of e... | 1987 | Nature | 10.7K | ✕ |
| 3 | Inhibition of Prostaglandin Synthesis as a Mechanism of Action... | 1971 | Nature New Biology | 8.6K | ✕ |
| 4 | Decision-Making in a Fuzzy Environment | 1970 | Management Science | 6.7K | ✕ |
| 5 | The L-Arginine-Nitric Oxide Pathway | 1993 | New England Journal of... | 6.7K | ✕ |
| 6 | Endothelium-derived relaxing factor produced and released from... | 1987 | Proceedings of the Nat... | 5.0K | ✓ |
| 7 | Nitric oxide as a secretory product of mammalian cells | 1992 | The FASEB Journal | 4.4K | ✕ |
| 8 | NITRIC OXIDE AND MACROPHAGE FUNCTION | 1997 | Annual Review of Immun... | 4.1K | ✕ |
| 9 | Nitric oxide synthases: regulation and function | 2011 | European Heart Journal | 4.1K | ✓ |
| 10 | Cytochrome P450 enzymes in drug metabolism: Regulation of gene... | 2013 | Pharmacology & Therape... | 3.9K | ✓ |
Frequently Asked Questions
What are epoxyeicosatrienoic acids (EETs) in this field?
Epoxyeicosatrienoic acids (EETs) are arachidonic acid derivatives produced by cytochrome P450 enzymes. They promote vasodilation and reduce inflammation, key in hypertension pharmacology. Soluble epoxide hydrolase inactivates EETs, making its inhibition a therapeutic target.
How do cytochrome P450 enzymes contribute to eicosanoid metabolism?
"Cytochrome P450 enzymes in drug metabolism: Regulation of gene expression, enzyme activities, and impact of genetic variation" by Zanger and Schwab (2013) states that about a dozen CYP enzymes from CYP1, 2, and 3 families metabolize arachidonic acid to EETs. These enzymes also biotransform 70-80% of drugs, affecting hypertension treatments. Genetic variations influence their activity in cardiovascular pharmacology.
What is the role of soluble epoxide hydrolase in hypertension?
Soluble epoxide hydrolase degrades EETs, reducing their anti-hypertensive effects. Inhibiting this enzyme stabilizes EETs to improve vascular function. This mechanism positions it as a therapeutic target in eicosanoid-based hypertension pharmacology.
What are key keywords in Eicosanoids and Hypertension Pharmacology?
Core keywords include Arachidonic Acid, Epoxyeicosatrienoic Acids, Cytochrome P450, Soluble Epoxide Hydrolase, Cardiovascular Function, Inflammation, Hypertension, Eicosanoids, Metabolism, and Therapeutic Target. These terms reflect the focus on biochemical pathways and clinical applications.
How many papers exist on this topic?
There are 58,873 works in Eicosanoids and Hypertension Pharmacology. The field centers on arachidonic acid metabolism and its implications for hypertension therapy. Growth data over 5 years is not available.
Open Research Questions
- ? How can selective inhibition of soluble epoxide hydrolase enhance EET-mediated vasodilation in hypertensive models?
- ? What genetic variations in cytochrome P450 enzymes most impact eicosanoid production and hypertension susceptibility?
- ? How do EETs interact with nitric oxide pathways to regulate blood pressure?
- ? What are the long-term cardiovascular effects of modulating cytochrome P450-derived eicosanoids in clinical hypertension?
Recent Trends
The field maintains 58,873 papers with no specified 5-year growth rate.
Recent emphasis remains on cytochrome P450 enzymes metabolizing 70-80% of drugs as noted in "Cytochrome P450 enzymes in drug metabolism: Regulation of gene expression, enzyme activities, and impact of genetic variation" by Zanger and Schwab , alongside EETs and soluble epoxide hydrolase in hypertension.
2013No preprints or news coverage in the last 6-12 months signals ongoing reliance on core studies like Raza et al. on CYP1A1/2 effects.
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