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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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Drug Delivery: Enteral Route01:18

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The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
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Drug Delivery: Overview01:16

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The selection of a drug's delivery route depends upon its physicochemical properties, including lipid or water solubility and ionization, as well as the therapeutic requirement, such as immediate or sustained effect. These routes can be divided into three primary categories: enteral, parenteral, and topical.
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Drug Delivery: Miscellaneous Routes01:22

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Drug delivery methods like oral inhalation, nasal sprays, transdermal patches, eye drops, intravitreal injection,  and rectal administration provide localized effects with reduced toxicity.
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Antihypertensive Drugs: Vasodilators01:23

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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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Antianginal Drugs: Nitrates and β-Blockers01:16

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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.
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A platform for nitric oxide delivery.

Jihoon Kim1, Gurusamy Saravanakumar, Hyung Woo Choi

  • 1Center for Self-assembly and Complexity, Institute for Basic Science Department of Chemistry, Pohang University of Science and Technology, Pohang 790-784, Korea. wjkim@postech.ac.kr.

Journal of Materials Chemistry. B
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Summary
This summary is machine-generated.

Nitric oxide (NO) shows promise in medicine, but effective delivery systems are needed. This review explores particle and coating platforms for advanced NO-mediated therapies.

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Pharmacology

Background:

  • Nitric oxide (NO) is a small molecule with significant therapeutic potential, including anti-restenosis, wound healing, anticancer, and antibacterial applications.
  • Current research often highlights NO-releasing materials but lacks focus on optimized NO delivery strategies for clinical translation.
  • Developing effective NO delivery systems is crucial for harnessing the full potential of NO-mediated therapies.

Purpose of the Study:

  • To review research trends in nitric oxide delivery systems.
  • To focus on particle-type and coating platforms for NO delivery.
  • To provide insights into challenges and future directions for NO delivery platforms.

Main Methods:

  • Literature review of NO delivery systems.
  • Analysis of particle-type and coating platforms for NO delivery.
  • Discussion of fundamental principles and challenges in NO delivery.

Main Results:

  • Identified research trends in NO delivery strategies.
  • Highlighted various particle and coating platforms for NO delivery.
  • Outlined key challenges in developing effective NO delivery systems.

Conclusions:

  • Effective NO delivery systems are critical for advancing NO-mediated therapies.
  • Particle and coating platforms represent promising avenues for NO delivery.
  • Further research is needed to develop novel NO delivery platforms for clinical applications.