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Published on: July 5, 2017
Polyphenols and inflammation: basic interactions
1Department of Biological Chemistry and Nutrition, University Hohenheim, Stuttgart, Germany. biesal@uni-hohenheim.de
Purpose Of Review:
For more than 20 years polyphenols, food-derived bioactive compounds in fruits and vegetables, are claimed to help prevent cancer, degenerative diseases and chronic and acute inflammation. Modern methods in cell and molecular biology allow us to understand the interactions of different polyphenols with basic mechanisms of inflammatory response. This review summarizes recent papers dealing with the effect of polyphenols on modulators of the inflammatory cascade.
Recent Findings:
The majority of papers deal with the effects of different antioxidants on the redox sensitive transcription factor nuclear factor kappaB, inducible nitric oxide synthase expression and cyclooxygenase inhibition. Understanding the regulatory steps and the multiple potential actions of polyphenols within the inflammatory cascade may help to define special polyphenols to be used for prevention and intervention in clinical conditions of inflammation. The relation between formation of advanced glycation end products as a consequence of high glucose and the activation of defence mechanisms through polyphenols opens new fields in the prevention and treatment of oxidative stress and hyperglycemia.
Summary:
Polyphenols are promising compounds that may help to control oxidative stress and consequently inflammatory response. To date, however, clinical studies are missing and should be carried out with specific polyphenols.
Insights
Polyphenols, found in fruits and vegetables, show promise in managing inflammation and oxidative stress. Further clinical studies are needed to confirm their therapeutic potential in specific inflammatory conditions.
Area of Science:
- Nutritional Biochemistry
- Molecular Biology
- Immunology
Background:
- Polyphenols, bioactive compounds from plants, have been investigated for over two decades for their potential health benefits.
- These compounds are widely studied for their roles in preventing cancer, degenerative diseases, and inflammation.
Purpose of the Study:
- To review recent scientific literature on the effects of polyphenols on inflammatory cascade modulators.
- To understand the molecular mechanisms underlying polyphenol interactions with inflammatory pathways.
Main Methods:
- Literature review of cell and molecular biology studies.
- Analysis of research on polyphenol effects on key inflammatory mediators.
Main Results:
- Most studies focus on polyphenol antioxidant effects on nuclear factor-kappaB (NF-κB), inducible nitric oxide synthase (iNOS), and cyclooxygenase (COX).
- Polyphenols may modulate inflammatory responses by interacting with multiple steps in the inflammatory cascade.
- Emerging research links polyphenol action to advanced glycation end product (AGE) formation, hyperglycemia, and oxidative stress.
Conclusions:
- Polyphenols demonstrate potential in controlling oxidative stress and subsequent inflammatory responses.
- Clinical trials investigating specific polyphenols are essential to validate their therapeutic efficacy.
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