ArticleMolecular medicine reports2018
Protective effects of α‑2‑macroglobulin on human bone marrow mesenchymal stem cells in radiation injury.
Article in Molecular medicine reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 12 citations in OpenAlex.
- Mitochondrial dysfunction in mesenchymal stem cells impairs osteogenesis in radiation-induced bone injury via CaCell death & disease · 2025Article
- A Transcriptomic Approach to Sex Differences in Calcific Aortic Valve Stenosis in Patients with a Tricuspid Aortic Valve.CJC open · 2025Article
- ECM Protein CYR61 Promotes Migration and Osteoblastic Differentiation of Irradiation BMSCs via Migrasomes.Stem cells international · 2025Article
- [α2-macroglobulin alleviates glucocorticoid-induced avascular necrosis of the femoral head in mice by promoting proliferation, migration and angiogenesis of vascular endothelial cells].Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2024Article
- M2 macrophage-derived exosomes carry miR-142-3p to restore the differentiation balance of irradiated BMMSCs by targeting TGF-β1.Molecular and cellular biochemistry · 2024Article
- Review of the Pathogenesis, Diagnosis, and Management of Osteoradionecrosis of the Femoral Head.Medical science monitor : international medical journal of experimental and clinical research · 2023Article
- Effect of 3D Spheroid Culturing on NF-κB Signaling Pathway and Neurogenic Potential in Human Amniotic Fluid Stem Cells.International journal of molecular sciences · 2023Article
- Improvement of irradiation-induced fibroblast damage by α2-macroglobulin through alleviating mitochondrial dysfunction.Pharmaceutical biology · 2022Article
- Toll-like Receptor 4, Osteoblasts and Leukemogenesis; the Lesson from Acute Myeloid Leukemia.Molecules (Basel, Switzerland) · 2022Review
- Effect of α2‑macroglobulin in the early stage of jaw osteoradionecrosis.International journal of oncology · 2020Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Osteoradionecrosis of the jaws (ORNJ) is a complication of oral and maxillofacial malignancy that arises following radiotherapy; progressive jaw necrosis severely decreases the quality of life of patients. Human bone marrow mesenchymal stem cells (hBMMSCs) are a cell type with self‑renewal and pluripotent differentiation potential in the bone marrow stroma. These cells are associated with bone tissue regeneration and are one of the primary cell types affected by bone tissue radiation injury. α‑2‑macroglobulin (α2M) is a glycoprotein‑rich macromolecule that interacts with cytokines, growth factors and hormones to serve a variety of biological roles. In addition, α2M possesses radio‑protective effects. The aim of the present study was to investigate whether α2M has protective effects against radiation injury of hBMMSCs. Cell counting kit‑8 and colony formation assays were used to monitor cell proliferation. Western blot analysis and reverse transcription‑quantitative polymerase chain reaction were used to detect Beclin1, microtubule‑associated protein 1A/1B, sex determining region Y, Nanog, runt‑related transcription factor 2, osteoglycin and manganese superoxide dismutase expression. The formation of calcium nodules was evaluated by Alizarin red staining after osteogenic induction. Flow cytometric analysis of Annexin‑V and propidium iodide double staining was used to detect changes in apoptosis rate. Alkaline phosphatase and superoxide dismutase activity were determined using colorimetric assays. Reactive oxygen species levels were detected using 2',7'‑dichlorodihydrofluorescein diacetate. The results of the present study revealed that α2M increased the rate of proliferation, reduced autophagy, alleviated pluripotent differentiation injury, increased the osteogenic differentiation ability and decreased the rate of apoptosis in hBMMSCs following irradiation via an antioxidative pathway. In conclusion, α2M exhibited protective effects against radiation injury in hBMMSCs and may be considered a potential therapeutic agent for the prevention and treatment of ORNJ.
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