ArticleJournal of molecular neuroscience : MN2020
Induction of SPARC on Oxidative Stress, Inflammatory Phenotype Transformation, and Apoptosis of Human Brain Smooth Muscle Cells Via TGF-β1-NOX4 Pathway.
Article in Journal of molecular neuroscience : MN, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 23 citations in OpenAlex.
- Article
- SPARC modulates macrophage-like phenotype transformation in VSMCs and triggers a vicious cycle.Frontiers in cell and developmental biology · 2026Article
- Exploring the Role of SPARC in Atherosclerosis: Mechanisms and Potential Implications.Current atherosclerosis reports · 2025Review
- Impact of the Transforming Growth Factor β (TGF-β) on Brain Aneurysm Formation and Development: A Literature Review.Cellular and molecular neurobiology · 2025Review
- Intracranial Aneurysm Biomarkers: A Convergence of Genetics, Inflammation, Oxidative Stress, and the Extracellular Matrix.International journal of molecular sciences · 2025Review
- Systematic Mendelian Randomization Exploring Druggable Genes for Hemorrhagic Strokes.Molecular neurobiology · 2025Article
- Vascular smooth muscle cell-specific Igf1r deficiency exacerbates the development of hypertension-induced cerebral microhemorrhages and gait defects.GeroScience · 2024Article
- Identifying pyroptosis- and inflammation-related genes in intracranial aneurysms based on bioinformatics analysis.Biological research · 2023Article
- TGF-β1 upregulates secreted protein acidic and rich in cysteine expression in human granulosa-lutein cells: a potential mechanism for the pathogenesis of ovarian hyperstimulation syndrome.Cell communication and signaling : CCS · 2023Article
- Plasma SPARC Elevation in Delayed Cerebral Ischemia After Aneurysmal Subarachnoid Hemorrhage.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2023Article
- Secreted protein acidic and rich in cysteine (SPARC) induces apoptosis of human brain vascular smooth muscle cells through regulating HK2 in intracranial aneurysm.Frontiers in molecular neuroscience · 2023Article
- Article
- Oxidative Stress in the Pathogenesis of Aorta Diseases as a Source of Potential Biomarkers and Therapeutic Targets, with a Particular Focus on Ascending Aorta Aneurysms.Antioxidants (Basel, Switzerland) · 2022Review
- Secreted Protein Acidic and Rich in Cysteine Mediates the Development and Progression of Diabetic Retinopathy.Frontiers in endocrinology · 2022Article
Corrections and comments
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Secreted protein acidic and rich in cysteine (SPARC) has a close association with inflammatory response and oxidative stress in tissues and is widely expressed in intracranial aneurysms (IAs), especially in smooth muscle cells. Therefore, it is inferred that SPARC might be involved in the formation and development of IAs through the inflammatory response pathway or oxidative stress pathway. The aim of this study is to investigate the pathological mechanism of SPARC in oxidative stress, inflammation, and apoptosis during the formation of IAs, as well as the involvement of TGF-β1 and NOX4 molecules. Human brain vascular smooth muscle cells (HBVSMCs) were selected as experimental objects. After the cells were stimulated by recombinant human SPARC protein in vitro, the ROS level in the cells was measured using an ID/ROS fluorescence analysis kit combined with fluorescence microscope and flow cytometry. The related protein expression in HBVSMCs was measured using western blotting. The mitochondrial membrane potential change was detected using a mitochondrial membrane potential kit and laser confocal microscope. The mechanism was explored by intervention with reactive oxygen scavengers N-acetylcysteine (NAC), TGF-β1 inhibitor (SD-208), and siRNA knockout. The results showed that SPARC upregulated the expression of NOX4 through the TGF-β1-dependent signaling pathway, leading to oxidative stress and pro-inflammatory matrix behavior and apoptosis in HBVSMCs. These findings demonstrated that SPARC may promote the progression of IAs.
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