ArticleBioscience reports2019
Mechanism of AMPK-mediated apoptosis of rat gastric smooth muscle cells under high glucose condition.
Article in Bioscience reports, 2019. 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, 9 citations in OpenAlex.
- AMPK in Intestinal Health and Disease: A Multifaceted Therapeutic Target for Metabolic and Inflammatory Disorders.Drug design, development and therapy · 2025Review
- Common Pathophysiological Mechanisms and Treatment of Diabetic Gastroparesis.Journal of neurogastroenterology and motility · 2024Review
- X-ray cross-complementing family: the bridge linking DNA damage repair and cancer.Journal of translational medicine · 2023Review
- 17β-Estradiol Suppresses Gastric Inflammatory and Apoptotic Stress Responses and Restores nNOS-Mediated Gastric Emptying in Streptozotocin (STZ)-Induced Diabetic Female Mice.Antioxidants (Basel, Switzerland) · 2023Article
- Banxia Xiexin Decoction () Treats Diabetic Gastroparesis through PLC-IPChinese journal of integrative medicine · 2020Article
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5 authors at 1 institution in 1 country.
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Abstract
To observe changes in AMP-activated protein kinase (AMPK) activity and phosphorylation changes in AMPK signaling pathway in gastric smooth muscle cells of rats with diabetic gastroparesis (DGP), investigate the effect of AMPK on apoptosis and explore the underlying mechanism. After establishing rat model of DGP, rats were divided into normal control (NC) and DGP groups. The phosphorylation changes in AMPK pathway were detected by AMPK Signaling Phospho-Antibody Array, and the apoptosis-related proteins were determined. Rat gastric smooth muscle cells were cultured in vitro under different glucose conditions, and divided into normal and high glucose groups. The AMPK activity and intracellular Ca2+ changes in cells were observed. After AMPK silencing, cells were divided into high glucose-24h, high glucose-48h and high glucose-48h+siRNA groups. Changes in expression of apoptosis-related proteins were observed. AMPK activity and apoptosis rates were both increased in gastric smooth muscle tissues in DGP rats (P<0.05, P<0.001, respectively). A total of 14 apoptosis-related differentially phosphorylated proteins were identified. Under high-glucose condition, AMPK activity and intracellular Ca2+ concentrations in rat gastric smooth muscle cells were increased (both P<0.05). After AMPK silencing, p53 expression was decreased, Akt and p70 S6 ribosomal protein kinase (p70S6K) activities were were increased, Bcl-2 expression was increased, CaMKII activity was decreased in the high glucose-48h group. Under high-glucose condition, activated AMPK can directly or indirectly promote cells apoptosis by regulating the expression and activity of p53, Akt, p70S6K, Protein kinase A (PKA), Phospholipidol C (PLC)-β3, CaMKII, CaMKIV and eukaryotic translation initiation factor 4E binding protein1 (4E-BP1) in rat gastric smooth muscle cells.
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