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Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation

★ ★ ★ ☆ ☆

Paper Summary

Paperzilla title
Aspartame and Atherosclerosis: A Mouse Tale (With Monkey Business)

This study, primarily conducted on mice, suggests that aspartame consumption may exacerbate atherosclerosis through an insulin-dependent mechanism involving the CX3CL1-CX3CR1 signaling pathway. The results were partially validated in monkeys, but with inconsistencies in blood glucose responses. Further research is needed to confirm these findings in humans and explore the effects of other artificial sweeteners.

Explain Like I'm Five

Scientists found that fake sugar (like aspartame in diet drinks) might make the tubes that carry blood in your body get sick and clog up faster. It seems to happen because of how your body uses insulin.

Possible Conflicts of Interest

None identified.

Identified Limitations

Mouse model
The study heavily relies on a mouse model of atherosclerosis (ApoE-/- mice fed a high-fat, high-cholesterol diet), which may not fully reflect the complexity of human atherosclerosis. Direct translation of these findings to humans requires further investigation.
Limited scope of sweeteners
While the study investigates the effect of aspartame, it doesn't explore other non-nutritive sweeteners. Different sweeteners have varied structures and metabolic effects, limiting the generalizability of these findings to all ASWs.
Inconsistent findings across species
The monkey experiment shows inconsistent blood glucose responses compared to mice, raising questions about the translatability of findings across species and the underlying metabolic differences.
Focus on a single pathway
The study primarily focuses on the CX3CL1-CX3CR1 axis, potentially overlooking other contributing factors or mechanisms involved in ASW-induced atherosclerosis.

Rating Explanation

This is a well-conducted study with interesting findings regarding aspartame's effect on insulin and atherosclerosis. However, the heavy reliance on a mouse model and the lack of investigation into other sweeteners limit its translatability and generalizability, warranting a rating of 3.

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Topic Hierarchy

Domain: Health Sciences
Field: Medicine

File Information

Original Title: Sweetener aspartame aggravates atherosclerosis through insulin-triggered inflammation
Uploaded: July 21, 2025 at 06:46 AM
Privacy: Public