ArticleCellular & molecular biology letters2022
HCMV-miR-US33-5p promotes apoptosis of aortic vascular smooth muscle cells by targeting EPAS1/SLC3A2 pathway.
Article in Cellular & molecular biology letters, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 30 citations in OpenAlex.
- SIRT3-activating, biodegradable poly-honokiol with high drug loading for thoracic aortic dissection therapy.Journal of advanced research · 2026Article
- Plasma proteomics identifies early markers of endothelial and inflammatory activation associated with dengue disease severity in children.medRxiv : the preprint server for health sciences · 2026Article
- Molecular mechanisms of HCMV-driven vascular remodeling and its significance in cardiovascular diseases.Archives of microbiology · 2025Review
- Expression of HCMV-Encoded miRNA in Subjects Acutely Coinfected with HIV: Correlation with Inflammation and Immune Activation.International journal of molecular sciences · 2025Article
- CircBTBD7-420aa Encoded by hsa_circ_0000563 Regulates the Progression of Atherosclerosis and Construction of circBTBD7-420aa Engineered Exosomes.JACC. Basic to translational science · 2025Article
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- Identification of biomarkers related to tryptophan metabolism in osteoarthritis.Biochemistry and biophysics reports · 2024Article
- G6PD maintains the VSMC synthetic phenotype and accelerates vascular neointimal hyperplasia by inhibiting the VDAC1-Bax-mediated mitochondrial apoptosis pathway.Cellular & molecular biology letters · 2024Article
- IPCellular & molecular biology letters · 2024Article
- Integrative analysis reveals chemokines CCL2 and CXCL5 mediated shear stress-induced aortic dissection formation.Heliyon · 2024Article
- Review
- Three-dimensional genome landscape comprehensively reveals patterns of spatial gene regulation in papillary and anaplastic thyroid cancers: a study using representative cell lines for each cancer type.Cellular & molecular biology letters · 2023Article
- The Role of CMV Infection in Primary Lesions, Development and Clinical Expression of Atherosclerosis.Journal of clinical medicine · 2022Review
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundIn patients with acute aortic dissection (AAD), increased vascular smooth muscle cell (VSMC) apoptosis has been found. Human cytomegalovirus (HCMV)-miR-US33-5p was significantly increased in the plasma of patients with AAD. However, the roles of miR-US33-5p in human aortic VSMC (HA-VSMC) apoptosis remain to be elucidated.
methodsIn the current study, cell apoptosis was analyzed by flow cytometry, cell proliferation by CCK-8 assay, and differentially expressed genes by RNA sequencing. Luciferase reporter assay was used for binding analysis between miR-US33-5p and endothelial PAS domain protein 1 (EPAS1), and EPAS1 and amino acid transporter heavy chain, member 2 (SLC3A2). The enrichment degree of SLC3A2 promoter DNA was analyzed by chromatin immunoprecipitation assay. Quantitative reverse-transcription polymerase chain reaction (qRT-PCR) and immunoblotting were performed for measuring messenger RNA (mRNA) and protein levels, respectively.
resultsIt was found that HCMV infection inhibited proliferation but promoted HA-VSMC apoptosis by upregulating HCMV-miR-US33-5p. Transfection of HCMV-miR-US33-5p mimics the significant effect on several signaling pathways including integrin signaling as shown in the RNA sequencing data. Western blotting analysis confirmed that HCMV-miR-US33-5p mimics suppression of the activity of key factors of the integrin signal pathway including FAK, AKT, CAS, and Rac. Mechanistic study showed that HCMV-miR-US33-5p bound to the 3'-untranslated region of EPAS1 to suppress its expression, leading to suppression of SLC3A2 expression, which ultimately promoted cell apoptosis and inhibited cell proliferation. This was confirmed by the findings that silencing EPAS1 significantly reduced the SLC3A2 expression and inhibited proliferation and key factors of integrin signal pathway.
conclusionsHCMV-miR-US33-5p suppressed proliferation, key factors of integrin signal pathway, and EPAS1/SLC3A2 expression, but promoted HA-VSMC apoptosis. These findings highlighted the importance of HCMV-miR-US33-5p/EPAS1/SCL3A2 signaling and may provide new insights into therapeutic strategies for AAD.
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