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Inhibition of Retinal Neovascularization by BEZ235: Targeting the Akt/4EBP1/Cyclin D1 Pathway in Endothelial Cells.
Invest Ophthalmol Vis Sci
January 2025
Institute of Ophthalmology, School of Medicine, Jinan University, Guangzhou, China.
Purpose: To investigate the therapeutic efficacy of BEZ235, a dual PI3K/mTOR inhibitor, in suppressing pathological neovascularization in an oxygen-induced retinopathy (OIR) mouse model and explore the role of cyclin D1 in endothelial cell cycle regulation.
Methods: Single-cell RNA sequencing was performed to analyze gene expression and cell-cycle alterations in retinal endothelial cells under normoxic and OIR conditions. The effects of BEZ235 on human umbilical vein endothelial cells (HUVECs) and human retinal microvascular endothelial cells (HRMECs) were evaluated by assessing cell viability, cell-cycle progression, proliferation, migration, and tube formation.
Retraction Note: Comment on, "Gene expression in a canine basilar artery vasospasm model: a genome-wide network-based analysis".
Neurosurg Rev
January 2025
Lab in Biotechnology and Biosignal Transduction, Department of Orthodontics, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai-77, Chennai, Tamil Nadu, India.
Retraction Note: Comment on, "Expression of decitabine-targeted oncogenes in meningiomas in vivo".
Neurosurg Rev
January 2025
Lab in Biotechnology and Biosignal Transduction, Department of Orthodontics, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai-77, Tamil Nadu, India.
Agmatine suppresses glycolysis via the PI3K/Akt/mTOR/HIF-1α signaling pathway and improves mitochondrial function in microglia exposed to lipopolysaccharide.
Biofactors
January 2025
Department of Neurobiology, Institute for Biological Research "Sinisa Stankovic"-National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia.
Modulating metabolic pathways in activated microglia can alter their phenotype, which is relevant in uncontrolled neuroinflammation as a component of various neurodegenerative diseases. Here, we investigated how pretreatment with agmatine, an endogenous polyamine, affects metabolic changes in an in vitro model of neuroinflammation, a murine microglial BV-2 cell line exposed to lipopolysaccharide (LPS). Hence, we analyzed gene expression using qPCR and protein levels using Western blot and ELISA.
View Article and Find Full Text PDFAndrographolide Mitigates Cisplatin Resistance by Inhibiting SPP1 Regulated NF-kB/iNOS/COX-2 and PI3K/AKT Pathway in Cisplatin Resistant Cervical Carcinoma Cells.
Drug Dev Res
February 2025
Department of Genetics & Biotechnology, University College of Science, Osmania University, Hyderabad, Telangana, India.
Drug resistance and cancer recurrence are major cause of Cervical cancer (CC) patient mortality. Cisplatin (CDDP) is the major drug that has been extremely used in all stages in treating CC, although relapse and malignant instances have been observed as a result of cisplatin resistance in CC. In the present study, we established Cisplatin resistant CC HeLa cell line model and the cytotoxic effects of Andro as a single agent or in combination with CDDP were investigated to assess its potential as a chemotherapeutic agent in cisplatin-resistant HeLa (CisR-HeLa) cells.
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