ArticleJournal of the American Heart Association2026
Chemerin Activation of Toll-Like Receptor 4 Drives Mineralocorticoid Receptor-Mediated Aortic Valve Remodeling in Chronic Kidney Disease.
Article in Journal of the American Heart Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Targeting the aldosterone-mineralocorticoid receptor pathway in cardiovascular-kidney-metabolic syndrome.Nature reviews. Nephrology · 2026Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAortic stenosis is the most common valvular heart disease, and its progression is accelerated in chronic kidney disease (CKD), where multiple circulating abnormalities worsen its pathophysiology. This study examined the impact of CKD-related aldosterone excess, focusing on mineralocorticoid receptor signaling and its crosstalk with the innate immune pathway mediated by Toll-like receptor 4 (TLR4) in aortic valve (AV) interstitial cells and AV tissue.
methodsFor the study, we conducted in vivo studies using a CKD rat model challenged with high phosphate, followed by ex vivo analysis of AVs. In parallel, primary rat and human valve interstitial cells were used in vitro to evaluate inflammatory, fibrotic, and osteogenic responses to aldosterone and to identify the key signaling pathways involved. Human AVs from patients with aortic stenosis were also analyzed. Quantitative polymerase chain reaction, western blot, and ELISA were used to characterize these pathways.
resultsMineralocorticoid receptor activation emerged as a central driver of aortic stenosis progression in CKD, promoting valve interstitial cell differentiation, inflammation, fibrosis, and calcification through activation of the TLR4-myeloid differentiation primary response 88 innate immunity pathway in response to aldosterone. Moreover, chemerin was identified as a downstream effector of the mineralocorticoid receptor that activates TLR4, further enhancing remodeling and calcification in AVs and valve interstitial cells. These results were corroborated in human stenotic AV samples from patients with CKD.
conclusionsCollectively, the study defines a novel mineralocorticoid receptor-TLR4-chemerin axis that mediates aldosterone-driven inflammatory and calcific processes in CKD, in both a rat model and in vitro systems.
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