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Type VI collagen is proportionally lower around airways and blood vessels in idiopathic pulmonary fibrosis.

September 15, 2026

Am J Physiol Cell Physiol

Abstract Type VI collagen (COL6) is a key extracellular matrix protein that supports matrix organization and cell-matrix interactions, yet its regulation in idiopathic pulmonary fibrosis (IPF) remains poorly understood. Here, we characterize COL6 gene expression, spatial localization, remodeling, and functional effects of COL6-derived fragments. Analysis of publicly available single-cell RNA sequencing data from 30 controls […]

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Combination therapy of RAS inhibition and glucagon-like peptide-1 receptor agonist improves a marker of kidney fibrosis in people with type 2 diabetes.

September 1, 2026

Am J Physiol Cell Physiol

Abstract In type 2 diabetes (T2D), kidney fibrosis drives the progression of chronic kidney disease (CKD) and kidney failure. Lower urinary levels of collagen type III degradation (C3M), a biomarker of extracellular matrix (ECM) turnover, have been associated with CKD progression. We investigated the effect of combination therapy with renin-angiotensin system inhibition (RASi) and glucagon-like […]

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Endotrophin as a biomarker and mediator in cardiovascular-kidney-metabolic syndrome: current insights and remaining questions.

February 1, 2026

Am J Physiol Cell Physiol

Abstract Endotrophin, a biologically active fragment derived from the α3 chain of collagen type VI, has emerged as both a risk biomarker and a potential pathogenic factor in cardiovascular-kidney-metabolic (CKM) syndrome. Over the past decade, research has shed light on its role in various noncommunicable diseases, emphasizing its signaling properties and diagnostic potential. Despite these […]

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