The Possible Role of Flavonoids in the Prevention of Diabetic Complications
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Updated: Mar 20, 2026

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Published on: August 10, 2021
Roberto Testa1, Anna Rita Bonfigli2, Stefano Genovese3
1Experimental Models in Clinical Pathology, INRCA-IRCCS National Institute, Ancona I-60127, Italy. r.testa@inrca.it.
Abstract:
Type 2 diabetes mellitus is a disease that affects many metabolic pathways. It is associated with insulin resistance, impaired insulin signaling, β-cell dysfunction, abnormal glucose levels, altered lipid metabolism, sub-clinical inflammation and increased oxidative stress. These and other unknown mechanisms lead to micro- and macro-complications, such as neuropathy, retinopathy, nephropathy and cardiovascular disease. Based on several in vitro animal models and some human studies, flavonoids appear to play a role in many of the metabolic processes involved in type 2 diabetes mellitus. In this review, we seek to highlight the most recent papers focusing on the relationship between flavonoids and main diabetic complications.
Insights
Flavonoids show promise in managing type 2 diabetes mellitus (T2DM) by impacting metabolic pathways and potentially mitigating diabetic complications. Further research highlights their role in T2DM management.
Area of Science:
- Biochemistry
- Metabolic Diseases
- Nutritional Science
Background:
- Type 2 diabetes mellitus (T2DM) involves complex metabolic dysfunctions including insulin resistance, beta-cell issues, and oxidative stress.
- T2DM complications encompass neuropathy, retinopathy, nephropathy, and cardiovascular disease.
- Emerging evidence suggests flavonoids influence metabolic processes relevant to T2DM.
Purpose of the Study:
- To review recent literature on the role of flavonoids in T2DM.
- To highlight the relationship between flavonoids and major diabetic complications.
Main Methods:
- Literature review of in vitro, animal, and human studies.
- Focus on recent publications concerning flavonoids and diabetic complications.
Main Results:
- Flavonoids demonstrate potential roles in metabolic pathways affected by T2DM.
- Evidence links flavonoids to the modulation of factors contributing to diabetic complications.
Conclusions:
- Flavonoids may offer therapeutic benefits for T2DM and its associated complications.
- Further investigation into flavonoid mechanisms in T2DM is warranted.
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