Related Experiment Video
Updated: Aug 15, 2026

En Face Detection of Nitric Oxide and Superoxide in Endothelial Layer of Intact Arteries
Published on: February 25, 2016
Emerging role of nitric oxide in cancer
P A Brennan1, I P Downie, J D Langdon
1Queen Alexandra Hospital, Portsmouth, UK.
Abstract:
The small molecule nitric oxide has generated an exponential amount of research since its identification as a biological messenger in 1987. It is a free radical, the actions of which are diverse, and many are still poorly understood. An area of great interest is the role of nitric oxide in the growth and metastasis of solid tumours, where it seems to have a complex action including both inhibitory and tumour-promoting activity. Over 28,000 research papers have been written on nitric oxide, with only a minority concentrating on the head and neck. In this review, we give a brief history of this fascinating molecule, concentrating on its possible interest to oral and maxillofacial surgeons.
Insights
Nitric oxide, a biological messenger, has diverse roles in tumor growth and metastasis. This review focuses on its complex actions and relevance to oral and maxillofacial surgeons.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- Nitric oxide (NO) identified as a biological messenger in 1987.
- NO is a free radical with diverse, incompletely understood actions.
- Significant research exists on NO, but limited focus on head and neck cancers.
Purpose of the Study:
- To review the history and biological roles of nitric oxide.
- To explore the complex involvement of NO in solid tumor growth and metastasis.
- To highlight the potential significance of NO for oral and maxillofacial surgery.
Main Methods:
- Literature review of nitric oxide research.
- Analysis of NO's dual role in tumor progression (inhibitory and promoting).
- Focus on studies relevant to head and neck oncology.
Main Results:
- Nitric oxide exhibits complex, context-dependent effects on tumor growth and metastasis.
- Evidence suggests both tumor-inhibitory and tumor-promoting activities of NO.
- A minority of existing research specifically addresses NO in head and neck cancers.
Conclusions:
- Nitric oxide is a molecule of significant interest in cancer research.
- Understanding NO's role is crucial for developing targeted therapies.
- Further investigation into NO's function in oral and maxillofacial surgery is warranted.
More Related Videos
08:32Application of Genetically Encoded Fluorescent Nitric Oxide (NO•) Probes, the geNOps, for Real-time Imaging of NO• Signals in Single Cells
Published on: March 16, 2017
08:23Chemiluminescence-based Assays for Detection of Nitric Oxide and its Derivatives from Autoxidation and Nitrosated Compounds
Published on: February 16, 2022
Related Concept Videos
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Cancer Therapies
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Regulation of Angiogenesis and Blood Supply
Nitric Oxide Signaling Pathway
Adaptive Mechanisms in Cancer Cells
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Cancer Therapies
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...