ArticleJournal of inflammation research2025
Multi-Omics Analysis Combined with Machine Learning Identified FABP4 in Smooth Muscle Cells as a Pathogenic Factor in Atherosclerosis.
Article in Journal of inflammation research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Atherosclerosis is the pathological basis of coronary heart disease, stroke, and peripheral arterial disease. Smooth muscle cells (SMCs) play a crucial role in atherosclerotic pathogenesis. However, effective drugs and therapy targeting SMCs for treating atherosclerosis are still lacking. Methods: We utilized single-cell RNA sequencing (scRNA-seq) (GSE155512 and GSE159677) and array data (GSE43292 and GSE125771) to identify Scissor+ SMCs (SMCs positively associated with atherosclerosis) and Scissor- SMCs (SMCs negatively associated with atherosclerosis) by using Scissor package. We analyzed their functional changes, cell-cell communication, and differentiation potential. Machine learning techniques were employed to analyze the marker in SMCs of atherosclerosis. qRT-PCR was used to examine the expression of these genes in MOVAS stimulated by ox-LDL. Potential inhibitors of the identified proteins were predicted, and their binding sites were analyzed. Results: We identified 475 Scissor+ SMCs and 1363 Scissor- SMCs. Functional enrichment analysis revealed that Scissor+ SMCs exhibited downregulation of Rho-related pathways, while pro-inflammatory pathways were upregulated. Cell-cell communication analysis indicated tighter interactions between SMCs and endothelial cells. Differential expression analysis identified 20 genes highly expressed in both scRNA-seq and array data. The LASSO regression, random forest, support vector machine and receiver operating characteristic curve suggested a strong correlation between fatty acid-binding protein 4 (FABP4) and atherosclerosis. The qRT-PCR results showed that FABP4 was highly expressed in MOVAS stimulated by ox-LDL. Drug prediction revealed that (S)-RP-6306 acted as an inhibitor, via forming a polar bond with Arg-126. In vitro experiments confirmed that (S)-RP-6306 significantly reduced the expression of FABP4. Conclusion: Scissor+ SMCs differed significantly from Scissor- SMCs in cellular function, cell-cell communication, and differentiation potential. The high expression of FABP4 in this subgroup of SMCs presented a promising therapeutic target for atherosclerosis, with (S)-RP-6306 showing potential as a drug targeting FABP4.
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