Macrophage microRNAs integrating lipid metabolism and inflammation: Implications for atherosclerosis.
Level 5 - mechanism / opinion, no new human data
Narrative review describing biological mechanisms without original human data or systematic synthesis.
PubMed 41883737 · doi:10.1016/j.metop.2026.100459
What was done
The authors conducted a review focusing on the roles of macrophage-derived microRNAs in modulating lipid metabolism and inflammatory pathways during the development and progression of atherosclerosis.
What was found
The abstract provides a qualitative overview rather than quantitative findings or statistical estimates. It reports that microRNAs post-transcriptionally regulate macrophage lipid homeostasis, including lipid uptake, cholesterol efflux, and fatty acid synthesis, while also tuning key inflammatory signaling pathways and transcription factors involved in foam cell formation and plaque progression.
Why it matters
Synthesizing the molecular crosstalk between lipid metabolism and macrophage inflammation helps map potential microRNA-based therapeutic targets for cardiovascular disease.
Limits
The abstract describes a narrative review without reporting systematic search methods, quantitative synthesis, or original clinical trial data. Specific microRNA targets, effect sizes, and experimental models are not detailed in the abstract.
Cited by
- supports Macrophage immune cells penetrate the vascular endothelial layer into the intimal layer of blood vessel walls, where they engulf oxidized low-density lipoprotein (LDL) and subparticles through the release of oxidants.