ArticleCardiovascular diabetology2024
BAG3 promotes proliferation and migration of arterial smooth muscle cells by regulating STAT3 phosphorylation in diabetic vascular remodeling.
Article in Cardiovascular diabetology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 10 citations in OpenAlex.
- Review
- Deletion of Murine Endothelial <italic>Bag3</italic> Alters the Cellular Proteome among Organs of Origin.Journal of vascular research · 2026Article
- Depletion of BIS in astrocytes aggravates reactive gliosis following photothrombotic brain injury.The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2026Article
- Endothelial tenascin signaling preserves VSMCs contractile phenotype in the human arterial wall in type II diabetes mellitus.Journal of translational medicine · 2026Article
- VSMCs and the immune microenvironment: a multidimensional regulatory network driving vascular injury and repair.Frontiers in immunology · 2026Review
- SLC7A5 promotes vascular remodeling in the rat carotid artery following balloon injury through PI3K/Akt signaling pathway.Frontiers in pharmacology · 2026Article
- DNA Polymerase Gamma Acetylation Governs Mitochondrial Homeostasis and Vascular Cell Senescence.International journal of biological sciences · 2026Article
- Ginsenoside Rg5 alleviates hypoxia-induced myocardial apoptosis by targeting STAT3 to promote Tyr705 phosphorylation.Chinese medicine · 2025Article
- Association of pan-immune inflammation value, platelet-to-neutrophil ratio and fibrinogen-to-albumin ratio with lower extremity artery disease in patients with type 2 diabetes mellitus: a cross-sectional study.Frontiers in endocrinology · 2025Article
- The role of ERK1/2 signaling in diabetes: pathogenic and therapeutic implications.Frontiers in pharmacology · 2025Review
- Identification of a New Promising BAG3 Modulator Featuring the Imidazopyridine Scaffold.Molecules (Basel, Switzerland) · 2024Article
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5 authors at 2 institutions in 1 country.
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Abstract
backgroundDiabetic vascular remodeling is the most important pathological basis of diabetic cardiovascular complications. The accumulation of advanced glycation end products (AGEs) caused by elevated blood glucose promotes the proliferation and migration of vascular smooth muscle cells (VSMCs), leading to arterial wall thickening and ultimately vascular remodeling. Therefore, the excessive proliferation and migration of VSMCs is considered as an important therapeutic target for vascular remodeling in diabetes mellitus. However, due to the lack of breakthrough in experiments, there is currently no effective treatment for the excessive proliferation and migration of VSMCs in diabetic patients. Bcl-2-associated athanogene 3 (BAG3) protein is a multifunctional protein highly expressed in skeletal muscle and myocardium. Previous research has confirmed that BAG3 can not only regulate cell survival and apoptosis, but also affect cell proliferation and migration. Since the excessive proliferation and migration of VSMCs is an important pathogenesis of vascular remodeling in diabetes, the role of BAG3 in the excessive proliferation and migration of VSMCs and its molecular mechanism deserve further investigation.
methodsIn this study, BAG3 gene was manipulated in smooth muscle to acquire SM22αCre; BAG3
resultsIn diabetic vascular remodeling, AGEs could promote the interaction between BAG3 and signal transducer and activator of transcription 3 (STAT3), leading to the enhanced interaction between STAT3 and Janus kinase 2 (JAK2) and reduced interaction between STAT3 and extracellular signal-regulated kinase 1/2 (ERK1/2), resulting in accumulated p-STAT3(705) and reduced p-STAT3(727). Subsequently, the expression of matrix metallopeptidase 2 (MMP2) is upregulated, thus promoting the migration of VSMCs.
conclusionsBAG3 upregulates the expression of MMP2 by increasing p-STAT3(705) and decreasing p-STAT3(727) levels, thereby promoting vascular remodeling in diabetes. This provides a new orientation for the prevention and treatment of diabetic vascular remodeling.
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