ArticleBioMed research international2021
Role of PI3K/AKT Signaling Pathway in Nucleus Pulposus Cells.
Article in BioMed research international, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Overview of Silk Fibroin Injectable Hydrogels: Advances and Applications in Regenerative Medicine.Advanced healthcare materials · 2026Review
- Thrombospondin-4 Regulates Lipopolysaccharide-Induced Apoptosis and Inflammation in Nucleus Pulposus Cells via the Phosphatidylinositol 3-Kinase/Protein Kinase B Pathway.Immunity, inflammation and disease · 2026Article
- Biomimetic double-layered electrospun nanofibrous scaffold with mussel adhesive protein coating and TGF-β3 encapsulation for enhanced tendon-bone healing in rotator cuff tears.Materials today. Bio · 2026Article
- Silk fibroin-collagen hydrogel loaded with IGF1-CESCs attenuates intervertebral disk degeneration by accelerating annulus fibrosus healing in rats.Frontiers in pharmacology · 2025Article
- Cellular Senescence in Intervertebral Disc Aging and Degeneration: Molecular Mechanisms and Potential Therapeutic Opportunities.Biomolecules · 2023Review
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo investigate the role of PI3K/AKT signaling pathway in nucleus pulposus (NP) cells.
methodsNucleus pulposus (NP) cells were isolated from SD rat, and thereafter, passage three (P3) NP cells were divided into the following experimental groups: control, PI3K/AKT agonist IGF-1 (25 ng/ml, 50 ng/ml, and 100 ng/ml), and PI3K/AKT inhibitor LY294002 (5
resultsPI3K/AKT inhibitor LY294002 increased the rate of apoptosis in NP cells when compared to the control and decreased the proliferation rate when compared to control. Moreover, LY294002 decreased the protein expression level of Col-II and Aggrecan in NP cells. At the same time, LY294002 increased the protein expression level of MMP13 and Col-X in NP cells. Through activating PI3K/AKT, IGF-1 increased the proliferation rate when compared to control and decreased the rate of apoptosis when compared to control. Additionally, IGF-1 decreased the protein expression level of MMP13 and Col-X and increased Col-II and Aggrecan in NP cells.
conclusionThe inhibition of PI3K/AKT signaling pathway accelerated the apoptosis of NP cells and facilitated the extracellular matrix degradation. However, the activation of PI3K/AKT pathway partly prevented the NP cell from apoptosis and promoted their proliferation. Meanwhile, its activation also delayed the loss of extracellular matrix.
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