ArticleSleep & breathing = Schlaf & Atmung2021
Intermittent hypoxia-induced autophagy via AMPK/mTOR signaling pathway attenuates endothelial apoptosis and dysfunction in vitro.
Article in Sleep & breathing = Schlaf & Atmung, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 24 citations in OpenAlex.
- Brazilin attenuates methylglyoxal‑induced endothelial injury by enhancing eIF5A hypusination and inhibiting the AMPK/mTOR‑mediated autophagy/apoptosis axisInternational journal of molecular medicine · 2026Article
- Beneficially Stressing the Peripheral Nervous System to Repair.International journal of molecular sciences · 2026Review
- Mitochondrial-Derived Peptides as Therapeutics and Biomarkers for Combating Vascular Aging and Associated Cardiovascular Diseases.Current cardiology reviews · 2026Review
- Circ005699 regulates ox-LDL-induced vascular endothelial cell proliferation, autophagy and inflammation by sponging miR-636 and interacting with FTO.Scientific reports · 2025Article
- CDH1 reduces endothelial cell permeability by enhancing CDH5 membrane expression under chronic intermittent hypoxia.European journal of medical research · 2025Article
- Lactoferrin influences atherosclerotic progression by modulating macrophagic AMPK/mTOR signaling-dependent autophagy.Scientific reports · 2025Article
- MiR-106a targets ATG7 to inhibit autophagy and angiogenesis after myocardial infarction.Animal models and experimental medicine · 2024Article
- Shear Stress-Induced AMP-Activated Protein Kinase Modulation in Endothelial Cells: Its Role in Metabolic Adaptions and Cardiovascular Disease.International journal of molecular sciences · 2024Review
- The role of autophagy in odontogenesis, dental implant surgery, periapical and periodontal diseases.Journal of cellular and molecular medicine · 2024Review
- Intermittent hypoxia therapy ameliorates beta-amyloid pathology via TFEB-mediated autophagy in murine Alzheimer's disease.Journal of neuroinflammation · 2023Article
- Sex Differences in Neurovascular Control: Implications for Obstructive Sleep Apnea.International journal of molecular sciences · 2023Review
- Summary of drug therapy to treat cognitive impairment-induced obstructive sleep apnea.Frontiers in cellular neuroscience · 2023Review
- Autophagy-Modulated Biomaterial: A Robust Weapon for Modulating the Wound Environment to Promote Skin Wound Healing.International journal of nanomedicine · 2023Review
- Autophagy Plays Multiple Roles in the Soft-Tissue Healing and Osseointegration in Dental Implant Surgery-A Narrative Review.Materials (Basel, Switzerland) · 2022Review
- Aspiletrein A Induces Apoptosis Cell Death via Increasing Reactive Oxygen Species Generation and AMPK Activation in Non-Small-Cell Lung Cancer Cells.International journal of molecular sciences · 2022Article
- Autophagy and skin wound healing.Burns & trauma · 2022Review
- Silencing of PFKFB3 protects podocytes against high glucose‑induced injury by inducing autophagy.Molecular medicine reports · 2021Article
- Cell-Selective Altered Cargo Properties of Extracellular Vesicles Following In Vitro Exposures to Intermittent Hypoxia.International journal of molecular sciences · 2021Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe aim of this study was to examine whether or not intermittent hypoxia (IH) upregulated autophagy and the contributions of autophagy to endothelial apoptosis and dysfunction in human umbilical vein endothelial cells (HUVECs).
methodHUVECs were incubated under normoxia and IH conditions. After 3-, 6-, 12-, and 24-h exposure, the autophagic vacuoles and autophagosomes were observed by transmission electron microscopy and monodansylcadaverine staining. The protein levels of autophagy-related biomarkers and AMPK/mTOR pathway were measured by Western blot. The apoptosis-related proteins and the percentage of apoptotic cells were evaluated by Western blot and flow cytometry, respectively, while the levels of endothelial function biomarkers were assessed by ELISA.
resultsIH induced autophagy, as determined by the increased numbers of the autophagic vacuoles, autophagosomes, and by the elevated levels of Beclin-1 protein, the LC3II/LC3I ratio, and p62 degradation. IH-induced autophagic flux peaked at 12-h duration and weakened at 24 h. IH increased the ratio of p-AMPK/AMPK and decreased the ratio of p-mTOR/mTOR, while compound C restored the alteration. A significant decrease in the Bcl-2 level and the Bcl-2/Bax ratio and a significant increase in the protein expression levels of Bax and cleaved caspase 3 and in the percentage of apoptosis were observed under IH exposure. Moreover, the NO level was reduced, while the ET-1 and VEGF levels were raised under IH condition. These alterations were suppressed by the pretreatment of 3-methyladenine.
conclusionsIH upregulates autophagy through AMPK/mTOR pathway in HUVECs in vitro, which might be protective against endothelial apoptosis and dysfunction caused by IH.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.