Cited by 84Redox biology and oxidative stressNitric Oxide and Endothelin EffectsNeutrophil, Myeloperoxidase and Oxidative Mechanisms

The Quest for Selective Nox Inhibitors and Therapeutics: Challenges, Triumphs and Pitfalls

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Cifuentes-Pagano, Eugenia, Meijles, Daniel N., Pagano, Patrick J.·2014·Antioxidants & Redox Signaling

Abstract

Significance: Numerous studies in animal models and human subjects corroborate that elevated levels of reactive oxygen species (ROS) play a pivotal role in the progression of multiple diseases. As a major source of ROS in many organ systems, the NADPH oxidase (Nox) has become a prime target for therapeutic development. Recent Advances: In recent years, intense efforts have been dedicated to the development of pan- and isoform-specific Nox inhibitors as opposed to antioxidants that proved ineffective in clinical trials. Over the past decade, an array of compounds has been proposed in an attempt to fill this void. Critical Issues: Although many of these compounds have proven effective as Nox enzyme family inhibitors, isoform specificity has posed a formidable challenge to the scientific community. This review surveys the most prominent Nox inhibitors, and discusses potential isoform specificity, known mechanisms of action, and shortcomings. Some of these inhibitors hold substantial promise as targeted therapeutics. Future Directions: Increased insight into the mechanisms of action and regulation of this family of enzymes as well as atomic structures of key Nox subunits are expected to give way to a broader spectrum of more potent, efficacious, and specific molecules. These lead molecules will assuredly serve as a basis for drug development aimed at treating a wide array of diseases associated with increased Nox activity. Antioxid. Redox Signal. 20, 2741–2754.

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Authors
Cifuentes-Pagano, E., Meijles, D. N., & Pagano, P. J.
Affiliations
University of Pittsburgh (US)
Venue
Antioxidants & Redox Signaling
Published
2014-06
Volume
20
Issue
17
Pages
2741-2754
ISSN
  • 1523-0864 (ISSN-L)
  • 1557-7716
OpenAlex
W2020068152
Cited by
84
References
179
Citations by year
2026: 5 · 2025: 3 · 2024: 2 · 2023: 4 · 2022: 3 · 2021: 5 · 2020: 6 · 2019: 8 · 2018: 3 · 2017: 12 · 2016: 17 · 2015: 9 · 2014: 6
FWCI
1.00
Type
journal article
Language
en
Open access
Locations
  • Antioxidants and Redox Signaling (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Pittsburgh
  • Hemophilia Center of Western Pennsylvania
  • National Institutes of Health (PO1-HL-103455)
  • National Heart, Lung, and Blood Institute (R01HL079207, P01HL103455, R01HL112914)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
Keywords
NADPH oxidase, NOX inhibitors, reactive oxygen species, isoform specificity, drug development, mechanism of action, targeted therapeutics
MeSH terms
Animals, Antioxidants, Cardiovascular Diseases, Disease Models, Animal, Enzyme Inhibitors, Humans, Reactive Oxygen Species, Oxidative Stress, NADPH Oxidases, Protein Isoforms

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