Cited by 94Nutritional Studies and DietDietary Effects on HealthGenetics, Aging, and Longevity in Model Organisms

Mediterranean diet and healthy ageing: a Sicilian perspective

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Vasto, Sonya, Buscemi, Silvio, Barera, Annalisa, Di Carlo, Marta, Accardi, Giulia, Caruso, Calogero·2014·Gerontology

Abstract

Traditional Mediterranean diet (MedDiet) is a common dietary pattern characterizing a lifestyle and culture proven to contribute to better health and quality of life in Mediterranean countries. By analyzing the diet of centenarians from the Sicani Mountains and eating habits of inhabitants of Palermo, it is reported that a close adherence to MedDiet is observed in the countryside, whereas in big towns this adherence is not so close. This has an effect on the rates of mortality at old age (and reciprocally longevity) that are lower in the countryside than in big towns. Concerning the health effects of the diet, the low content of animal protein and the low glycaemic index of the Sicilian MedDiet might directly modulate the insulin/IGF-1 and the mTOR pathways, known to be involved in ageing and longevity. In particular, the reduction of animal protein intake may significantly reduce serum IGF-1 concentrations and inhibit mTOR activity with a down-regulation of the signal that leads to the activation of FOXO3A and, consequently, to the transcription of homeostatic genes that favour longevity. The down-regulation of both IGF-1 and mTORC1 also induces an anti-inflammatory effect. In addition to the effects on sensing pathways, many single components of MedDiet are known to have positive effects on health, reducing inflammation, optimizing cholesterol and other important risk factors of age-related diseases. However, a key role is played by polyphenols represented in high amount in the Sicilian MedDiet (in particular in extra virgin olive oil) that can work as hormetins that provide an environmental chemical signature regulating stress resistance pathways such as nuclear factor erythroid 2-related factor 2.

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Crossref · 10.1159/000363060

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Authors
Vasto, S., Buscemi, S., Barera, A., Di Carlo, M., Accardi, G., & Caruso, C.
Affiliations
  • Istituto di Biomedicina e di Immunologia Molecolare Alberto Monroy (IT)
  • University of Palermo (IT)
Venue
Gerontology
Publisher
S. Karger AG
Published
2014
Volume
60
Issue
6
Pages
508-518
ISSN
  • 0304-324X (ISSN-L)
  • 1423-0003
OpenAlex
W2082998818
Cited by
94
References
46
Citations by year
2026: 1 · 2025: 5 · 2024: 4 · 2023: 4 · 2022: 8 · 2021: 13 · 2020: 9 · 2019: 14 · 2018: 7 · 2017: 14 · 2016: 9 · 2015: 5 · 2014: 1
FWCI
9.57
Type
journal article
Language
en
Open access
Locations
  • Gerontology (publishedVersion)
  • PubMed (publishedVersion)
  • Nova Science Publishers (Nova Science Publishers, Inc.) (submittedVersion, other-oa)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutritional Studies and Diet
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
Mediterranean diet, healthy aging, centenarians, Sicily, urban-rural differences, longevity, animal protein intake, glycemic index, insulin-like growth factor I, mTOR signaling, FOXO3, insulin signaling, inflammation, polyphenols, extra virgin olive oil, hormesis, Nrf2, age-related diseases
MeSH terms
Feeding Behavior, Health Status, Humans, Life Style, Longevity, Sicily, Diet, Mediterranean

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