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Review

Sweet, bloody consumption – what we eat and how it affects vascular ageing, the BBB and kidney health in CKD

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Article: 2341449 | Received 07 Aug 2023, Accepted 04 Apr 2024, Published online: 30 Apr 2024
 

ABSTRACT

In today’s industrialized society food consumption has changed immensely toward heightened red meat intake and use of artificial sweeteners instead of grains and vegetables or sugar, respectively. These dietary changes affect public health in general through an increased incidence of metabolic diseases like diabetes and obesity, with a further elevated risk for cardiorenal complications. Research shows that high red meat intake and artificial sweeteners ingestion can alter the microbial composition and further intestinal wall barrier permeability allowing increased transmission of uremic toxins like p-cresyl sulfate, indoxyl sulfate, trimethylamine n-oxide and phenylacetylglutamine into the blood stream causing an array of pathophysiological effects especially as a strain on the kidneys, since they are responsible for clearing out the toxins. In this review, we address how the burden of the Western diet affects the gut microbiome in altering the microbial composition and increasing the gut permeability for uremic toxins and the detrimental effects thereof on early vascular aging, the kidney per se and the blood-brain barrier, in addition to the potential implications for dietary changes/interventions to preserve the health issues related to chronic diseases in future.

This article is part of the following collections:
Gut microbiota and aging

Disclosure statement

No potential conflict of interest was reported by the author(s).

Author contributions

KK got invitation for the review and invited all authors to contribute to the reviews’ conception and content. AS took a lead for the edition of chapters and implementation of illustrative material with communications. All authors contributed to review planning and execution of selected chapters based on their expertise.

All authors agreed with the content and gave explicit consent to submit manuscript for publication.

Data availability statement

No data is needed.23–25

Additional information

Funding

The author(s) reported there is no funding associated with the work featured in this article.