ArticleChinese medical journal2025
Systemic comparison of molecular characteristics in different skin fibroblast senescent models.
Article in Chinese medical journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Cellular Senescence in Keloid Pathology: Mechanisms, Biomarkers, and Potential Therapeutic Targets.Biomedicines · 2026Review
- Molecular mechanisms of traditional Chinese medicine in skin aging: a narrative review.Frontiers in pharmacology · 2026Review
- Identification and Preliminary mRNA Validation of Key Genes Associated with Tolerogenic Dendritic Cells in Keloid Based on Transcriptome Data.Clinical, cosmetic and investigational dermatology · 2026Article
- Screening and validation of diagnostic markers for keloids via bioinformatics analysis.Biochemistry and biophysics reports · 2025Article
- Recent advances in dermal fibroblast senescence and skin aging: unraveling mechanisms and pioneering therapeutic strategies.Frontiers in pharmacology · 2025Review
- The Role of Fibroblasts in Atopic Dermatitis: Establishing Proinflammatory Microenvironments and Mediating Cellular Crosstalk.Journal of inflammation research · 2025Review
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9 authors.
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Abstract
backgroundSenescent human skin primary fibroblast (FB) models have been established for studying aging-related, proliferative, and inflammatory skin diseases. The aim of this study was to compare the transcriptome characteristics of human primary dermal FBs from children and the elderly with four senescence models.
methodsHuman skin primary FBs were obtained from healthy children (FB-C) and elderly donors (FB-E). Senescence models were generated by ultraviolet B irradiation (FB-UVB), D-galactose stimulation (FB-D-gal), atazanavir treatment (FB-ATV), and replication exhaustion induction (FB-P30). Flow cytometry, immunofluorescence staining, real-time quantitative polymerase chain reaction, co-culturing with immune cells, and bulk RNA sequencing were used for systematic comparisons of the models.
resultsIn comparison with FB-C, FB-E showed elevated expression of senescence-related genes related to the skin barrier and extracellular matrix, proinflammatory factors, chemokines, oxidative stress, and complement factors. In comparison with FB-E, FB-UVB and FB-ATV showed higher levels of senescence and expression of the genes related to the senescence-associated secretory phenotype (SASP), and their shaped immune microenvironment highly facilitated the activation of downstream immune cells, including T cells, macrophages, and natural killer cells. FB-P30 was most similar to FB-E in terms of general transcriptome features, such as FB migration and proliferation, and aging-related characteristics. FB-D-gal showed the lowest expression levels of senescence-related genes. In comparisons with the single-cell RNA sequencing results, FB-E showed almost complete simulation of the transcriptional spectrum of FBs in elderly patients with atopic dermatitis, followed by FB-P30 and FB-UVB. FB-E and FB-P30 showed higher similarity with the FBs in keloids.
conclusionsEach senescent FB model exhibited different characteristics. In addition to showing upregulated expression of natural senescence features, FB-UVB and FB-ATV showed high expression levels of senescence-related genes, including those involved in the SASP, and FB-P30 showed the greatest similarity with FB-E. However, D-galactose-stimulated FBs did not clearly present aging characteristics.
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