ArticleOxidative medicine and cellular longevity2020
Hypoxia Helps Maintain Nucleus Pulposus Homeostasis by Balancing Autophagy and Apoptosis.
Article in Oxidative medicine and cellular longevity, 2020. 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, 26 citations in OpenAlex.
- Hypoxia inhibits intervertebral disc degeneration by maintaining autophagy circadian rhythm via the HIF1α-PER2-mTOR pathway.Journal of advanced research · 2026Article
- Organ-on-a-Chip Technology: Advances in Modeling Inflammation, Neurovascularization and Nociception in Human Intervertebral Disc Degeneration.Smart medicine · 2026Review
- Development and Histopathological Validation of a Novel Unilateral Three-Level Lumbar Artery Ligation Model of Progressive Intervertebral Disc Degeneration.Orthopedic reviews · 2026Article
- Bioinformatic analysis of glycosylation-related genes in intervertebral disc degeneration and their roles in immune infiltration and diagnostic models.Scientific reports · 2025Article
- Biomimetic Hydrogels for In Vitro Modelling of Nucleus Pulposus Degeneration: Effects of Extracellular Matrix Compositional Change on Physicochemical Properties and Cell Phenotype.Journal of functional biomaterials · 2025Article
- Discovery of Glucose Metabolism-Associated Genes in Neuropathic Pain: Insights from Bioinformatics.International journal of molecular sciences · 2024Article
- The current insights of mitochondrial hormesis in the occurrence and treatment of bone and cartilage degeneration.Biological research · 2024Review
- Custom-Made Ce-Mn Bimetallic Nanozyme for the Treatment of Intervertebral Disc Degeneration by Inhibiting Oxidative Stress and Modulating Macrophage M1/M2 Polarization.Biomaterials research · 2024Article
- Mechanism of the Mitogen-Activated Protein Kinases/Mammalian Target of Rapamycin Pathway in the Process of Cartilage Endplate Stem Cell Degeneration Induced by Tension Load.Global spine journal · 2023Article
- Association between single-nucleotide polymorphism rs145497186 related to NDUFV2 and lumbar disc degeneration: a pilot case-control study.Journal of orthopaedic surgery and research · 2022Article
- Tetrandrine reduces oxidative stress, apoptosis, and extracellular matrix degradation and improves intervertebral disc degeneration by inducing autophagy.Bioengineered · 2022Article
- Article
- Allicin Attenuated Advanced Oxidation Protein Product-Induced Oxidative Stress and Mitochondrial Apoptosis in Human Nucleus Pulposus Cells.Oxidative medicine and cellular longevity · 2020Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Intervertebral disc degeneration (IVDD) is a common cause of lower back pain. Programmed cell death (PCD) including apoptosis and autophagy is known to play key mechanistic roles in the development of IVDD. We hypothesized that the nucleus pulposus cells that make up the center of the IVD can be affected by aging and environmental oxygen concentration, thus affecting the development of IVDD. Here, we evaluated the phenotype changes and PCD signaling in nucleus pulposus cells in two different oxygen percentages (5% (hypoxia) and 20% (normoxia)) up to serial passage 20. NP cells were isolated from the lumbar discs of rats, and the chondrogenic, autophagic, and apoptotic gene expressions were analyzed during cell culture up to serial passage 20. Hypoxia significantly increased the number of autophagosomes, as determined by monodansylcadaverine staining and transmission electron microscopy. Furthermore, hypoxia triggered the activation of autophagic flux (beclin-1, LC3-II/LC3-I ratio, and SIRT1) with a concomitant decrease in the expression of apoptotic proteins (Bax and caspase-3). Despite injury and age differences, no significant differences were observed between the
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