ArticleTranslational andrology and urology2023
Study on the mechanism of aging-related erectile dysfunction based on bioinformatics and experimental verification.
Article in Translational andrology and urology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 9 citations in OpenAlex.
- Study on the mechanism of erectile dysfunction in D-galactose induced aging rats: the construction of aging model.Biological research · 2026Article
- Effect of lumbrokinase on a rat model of hyperlipidemia-induced erectile dysfunction.Translational andrology and urology · 2026Article
- Near-infrared photobiomodulation therapy for age-related erectile dysfunction: molecular and physiological restoration in a mouse model.Asian journal of andrology · 2026Article
- A cross-species multi-omics analyze uncovers conserved molecular mechanisms underlying age-related erectile dysfunction.Sexual medicine · 2025Article
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: The incidence of aging-related erectile dysfunction (ED) remains high in the elderly population, and has attracted the attention of the medical community. However, aging-related ED responds poorly to traditional treatments for ED, and its mechanism has not yet been fully clarified. This study sought to explore the potential mechanisms of aging-related ED based on bioinformatics and experimental verification. Methods: A bioinformatics analysis was performed on data from the Gene Expression Omnibus database related to ED and aging, and the associated differentially expressed genes (DEGs) and signaling pathways were identified. Young and aged rats (n=8 per group) were included in the experimental verification study. Erectile function was detected by electrical stimulation of the cavernous nerve. The corpus cavernosum was collected for the follow-up experiments. Results: A total of 4 hub genes were identified, among which biglycan (BGN) appears to play an important role. The functional enrichment analysis revealed that the extracellular matrix (ECM), especially collagen, related pathways, and the phosphatidylinositol 3‑kinase (PI3K)/protein kinase B (AKT) pathway were enriched, which was also confirmed by the animal experiments. Impaired erectile function in aged rats was associated with the downregulation of the PI3K/AKT pathway, endothelial dysfunction, and increased fibrosis in the penis. Conclusions: Erectile function is impaired with aging. The downregulation of the PI3K/AKT pathway, endothelial dysfunction, and increased fibrosis are involved in this process. BGN may be the key gene regulating these changes. Our study extended understandings of the mechanisms of age-related ED and provides new potential treatment ideas.
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