ArticleCell communication and signaling : CCS2023
Single-cell RNA sequencing reveals the vascular smooth muscle cell phenotypic landscape in aortic aneurysm.
Article in Cell communication and signaling : CCS, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.
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79 citing papers in PubMed, 73 citations in OpenAlex.
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- Segmental specification of the human female fetal reproductive tract revealed by spatiotemporal dynamics.Nature cell biology · 2026Article
- Tenascin C promotes the formation of abdominal aortic aneurysm by regulating the homeostasis of vascular smooth muscle cells.Biology direct · 2026Article
- The critical role of the RUNX1/NF-κB transcriptional complex-mediated PVAT-VSMC axis in aortic dissection.Journal of cardiothoracic surgery · 2026Review
- Artificial Intelligence-Driven Construction of Predictive and Druggable Frameworks to an In Silico Bioengineering Evidence Support for Therapy of Esophageal Squamous Cell Carcinoma Patients: Insights from a Toll-like Receptor Signal with Th17 and T Helper Microenvironment.Bioengineering (Basel, Switzerland) · 2026Article
- Single-cell and spatial transcriptomics reveal an arachidonic acid-related cellular atlas in lung adenocarcinoma.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2026Article
- Deciphering the Diagnostic and Natural Therapeutic Implications of Necrosis by Sodium Overload and NK Signatures in Endometriosis Patients.International journal of molecular sciences · 2026Article
- Integrated Network Pharmacology and Single-Cell Transcriptomics Reveal Transketolase as a Potential Target for the DanShen-DaHuang Herb Pair in Acute Kidney Injury.International journal of molecular sciences · 2026Article
- Article
- Erosion or Explosion: Integrated Single-Cell Transcriptomics Reveals Cellular Heterogeneity in Aortic Aneurysm and Dissection.Inflammation · 2026Article
- Single-Cell Transcriptomic Atlases of Camels and Cattle Unravel Molecular Evolution of Digestive and Metabolic Systems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Molecular and spatial heterogeneity of macrophage like vascular smooth muscle cells in abdominal aortic aneurysms associated with intraluminal thrombus.Scientific reports · 2026Article
- Single-cell spatial transcriptomics reveals clonal smooth muscle cell heterogeneity and programs associated with atherosclerotic plaque calcification.Clinical and experimental medicine · 2026Article
- Molecular imaging of aortic fibroblast activation protein throughEuropean journal of nuclear medicine and molecular imaging · 2026Article
- Article
- A Comprehensive Review of Epigenetic Regulation of Vascular Smooth Muscle Cells During Development and Disease.Biomolecules · 2026Review
19 more citing papers are in PubMed but not listed here.
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
objectivesPhenotypic switching in vascular smooth muscle cells (VSMCs) has been linked to aortic aneurysm, but the phenotypic landscape in aortic aneurysm is poorly understood. The present study aimed to analyse the phenotypic landscape, phenotypic differentiation trajectory, and potential functions of various VSMCs phenotypes in aortic aneurysm.
methodsSingle-cell sequencing data of 12 aortic aneurysm samples and 5 normal aorta samples (obtained from GSE166676 and GSE155468) were integrated by the R package Harmony. VSMCs were identified according to the expression levels of ACTA2 and MYH11. VSMCs clustering was determined by the R package 'Seurat'. Cell annotation was determined by the R package 'singleR' and background knowledge of VSMCs phenotypic switching. The secretion of collagen, proteinases, and chemokines by each VSMCs phenotype was assessed. Cell‒cell junctions and cell-matrix junctions were also scored by examining the expression of adhesion genes. Trajectory analysis was performed by the R package 'Monocle2'. qPCR was used to quantify VSMCs markers. RNA fluorescence in situ hybridization (RNA FISH) was performed to determine the spatial localization of vital VSMCs phenotypes in aortic aneurysms.
resultsA total of 7150 VSMCs were categorize into 6 phenotypes: contractile VSMCs, fibroblast-like VSMCs, T-cell-like VSMCs, adipocyte-like VSMCs, macrophage-like VSMCs, and mesenchymal-like VSMCs. The proportions of T-cell-like VSMCs, adipocyte-like VSMCs, macrophage-like VSMCs, and mesenchymal-like VSMCs were significantly increased in aortic aneurysm. Fibroblast-like VSMCs secreted abundant amounts of collagens. T-cell-like VSMCs and macrophage-like VSMCs were characterized by high chemokine levels and proinflammatory effects. Adipocyte-like VSMCs and mesenchymal-like VSMCs were associated with high proteinase levels. RNA FISH validated the presence of T-cell-like VSMCs and macrophage-like VSMCs in the tunica media and the presence of mesenchymal-like VSMCs in the tunica media and tunica adventitia.
conclusionA variety of VSMCs phenotypes are involved in the formation of aortic aneurysm. T-cell-like VSMCs, macrophage-like VSMCs, and mesenchymal-like VSMCs play pivotal roles in this process. Video Abstract.
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