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Related Concept Videos

Nitric Oxide Signaling Pathway01:28

Nitric Oxide Signaling Pathway

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Nitric oxide (NO), an inorganic gas, acts as a potent second messenger in most animal and plant tissues. NO diffuses out of the cells that produce it and enters the neighboring cells to generate a downstream response. NO synthase (NOS) catalyzes NO production by the deamination of the amino acid arginine. There are three isoforms of NOS. Endothelial cells have endothelial NOS (eNOS), nerve and muscle cells have neuronal NOS (nNOS), and macrophages produce inducible NOS (iNOS) upon exposure...
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In cardiovascular health, antianginal drugs combat angina pectoris — a condition marked by chest pain owing to diminished blood flow to the heart.
Organic nitrates,  such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow....
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Vasodilators, primarily affecting the smooth muscles within arterial and venous walls, are commonly used for hypertension treatment. Medications such as minoxidil and hydralazine primarily target arteries and arterioles, while sodium nitroprusside acts on arterioles and venules. Minoxidil, functioning as a prodrug, is metabolized by hepatic sulfotransferase into its active form, minoxidil sulfate, after oral administration. This metabolite binds to the sulfonylurea receptor (SUR) component of...
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Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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Angina IV: Management01:26

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IntroductionThe management of angina requires a comprehensive approach that includes pharmacological therapies, medical procedures, and lifestyle modifications.Pharmacological TherapiesAntiplatelet agents, such as aspirin, clopidogrel, prasugrel, and ticagrelor, play a pivotal role in preventing thrombus formation in patients with angina. These medications inhibit platelet aggregation and reduce the likelihood of myocardial infarction and other cardiovascular events.Anticoagulants, including...
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Related Experiment Video

Updated: Mar 9, 2026

Chemiluminescence-based Assays for Detection of Nitric Oxide and its Derivatives from Autoxidation and Nitrosated Compounds
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Nitric oxide as a surgical adjuvant.

Aimee Krausz1, Adam J Friedman2

  • 1Department of Medicine (Division of Dermatology), Albert Einstein College of Medicine, Bronx, NY 10467, USA; Department of Medicine (Division of Dermatology), Albert Einstein College of Medicine, Bronx, NY 10467, USA.

Future Science OA
|December 30, 2016
PubMed
Summary

Nitric oxide (NO) accelerates wound healing and reduces surgical injury inflammation. Its therapeutic properties also aid in preventing implant infections and graft failures, offering significant perioperative benefits.

Keywords:
blood-contacting devicesischemia reperfusion injurywound healing

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Area of Science:

  • Biomedical Engineering
  • Surgical Innovation
  • Physiology

Background:

  • Surgical advancements introduce complex procedures with potential adverse effects.
  • Nitric oxide (NO) plays a crucial role in physiological processes vital for healing and reducing inflammation.
  • NO's therapeutic potential extends to preventing surgical complications like infections and graft failure.

Approach:

  • Discussing the mechanistic pathways through which NO influences healing and inflammation.
  • Exploring the perioperative applications of NO-based therapies.
  • Highlighting NO's role in angiogenesis, bone healing, and thromboresistance.

Key Points:

  • Nitric oxide (NO) is integral to angiogenesis, wound, and bone healing.
  • NO exhibits thromboresistant and smooth muscle relaxant properties.
  • Therapeutic NO can mitigate ischemia reperfusion injury and prevent implant-related infections and graft failures.

Conclusions:

  • Nitric oxide (NO) offers significant therapeutic potential in surgical contexts.
  • Understanding NO's mechanisms can optimize its perioperative translational applications.
  • NO-based strategies may enhance surgical outcomes and patient recovery.