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Article Publish Status: FREE
Abstract Title:

Mediterranean Diet Nutrients to Turn the Tide against Insulin Resistance and Related Diseases.

Abstract Source:

Nutrients. 2020 Apr 12 ;12(4). Epub 2020 Apr 12. PMID: 32290535

Abstract Author(s):

Maria Mirabelli, Eusebio Chiefari, Biagio Arcidiacono, Domenica Maria Corigliano, Francesco Saverio Brunetti, Valentina Maggisano, Diego Russo, Daniela Patrizia Foti, Antonio Brunetti

Article Affiliation:

Maria Mirabelli

Abstract:

Insulin resistance (IR), defined as an attenuated biological response to circulating insulin, is a fundamental defect in obesity and type 2 diabetes (T2D), and is also linked to a wide spectrum of pathological conditions, such as non-alcoholic fatty liver disease (NAFLD), cognitive impairment, endothelial dysfunction, chronic kidney disease (CKD), polycystic ovary syndrome (PCOS), and some endocrine tumors, including breast cancer. In obesity, the unbalanced production of pro- and anti-inflammatory adipocytokines can lead to the development of IR and its related metabolic complications, which are potentially reversible through weight-loss programs. The Mediterranean diet (MedDiet), characterized by high consumption of extra-virgin olive oil (EVOO), nuts, red wine, vegetables and other polyphenol-rich elements, has proved to be associated with greater improvement of IR in obese individuals, when compared to other nutritional interventions. Also, recent studies in either experimental animal models or in humans, have shown encouraging results for insulin-sensitizing nutritional supplements derived from MedDiet food sources in the modulation of pathognomonic traits of certain IR-related conditions, including polyunsaturated fatty acids from olive oil and seeds, anthocyanins from purple vegetables and fruits, resveratrol from grapes, and the EVOO-derived, oleacein. Although the pharmacological properties and clinical uses of these functional nutrients are still under investigation, the molecular mechanism(s) underlying the metabolic benefits appear to be compound-specific and, in some cases, point to a role in gene expression through an involvement of the nuclear high-mobility group A1 (HMGA1) protein.

Study Type : Review

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