Role of High-Fat Diet Alone on Lipids, Arterial Wall and Hippocampal Neural Cell Alterations in Animal Models and Their Implications for Humans

Document Type

Article

Publication Title

Biology

Abstract

Background: A high-fat diet has been shown to have an impact on metabolism resulting in changes in arterial wall thickness and degeneration of surviving neural cells of the hippocampus. The present review focuses on the various animal models used to induce high-fat diet conditions for studying obesity-induced atherosclerosis, along with the associated changes observed in surviving neural cells of the hippocampus. It also highlights the limitations of rodent models and discusses their implications for human research. Methods: The sources for the literature search were Scopus, PubMed, Medline and Google Scholar. Both animal and human studies published were considered and are cited. Results: High-fat-diet-induced vascular changes, mainly in the tunica media, has been shown to have more impact on medium-sized arteries and on the Cornu Ammonis three subregions and outer dentatae gyrus of the hippocampus. Conclusions: High-fat-diet-induced neurovascular changes have been studied radically in animal models, and more supporting studies representing preclinical research should be advanced to humans.

DOI

10.3390/biology14080971

Publication Date

8-1-2025

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