ArticleNan fang yi ke da xue xue bao = Journal of Southern Medical University2024
[Baicalin suppresses type 2 dengue virus-induced autophagy of human umbilical vein endothelial cells by inhibiting the PI3K/AKT pathway].
Article in Nan fang yi ke da xue xue bao = Journal of Southern Medical University, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Mechanistic constraints in dengue severity: a systematic review with evidence stratification and agent-based evaluation of logical sufficiency.Frontiers in immunology · 2026Pooled it
- Advances in anti-dengue virus properties of Traditional Chinese Medicines.Frontiers in microbiology · 2026Review
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Authors and funding
6 authors.
Funding
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Abstract
objectiveTo investigate the effect of type 2 dengue virus (DENV-2) infection on autophagy in human umbilical vein endothelial cells (HUVECs) and the mechanism mediating the inhibitory effect of baicalin against DENV-2 infection.
methodsCultured HUVECs with DENV-2 infection were treated with different concentrations of baicalin, and the changes in autophagy of the cells were detected using transmission electron microscopy. Lyso Tracker Red staining was used to examine pH changes in the lysosomes of the cells, and the expressions of ATG5, beclin-1, LC3, P62, STX17, SNAP29, VAMP8, and PI3K/AKT signaling pathway-related proteins were detected by Western blotting. DENV-2 replication in the cells were evaluated using RT-qPCR. The differentially expressed proteins in DENV-2-infected HUVECs were identified by proteomics screening.
resultsTreatment with baicalin did not significantly affect the viability of cultured HUVECs. Proteomic studies suggested that the PI3K-AKT pathway played an important role in mediating cell injury induced by DENV-2 infection. The results of RT-qPCR demonstrated that baicalin dose-dependently inhibited DENV-2 replication in HUVECs and produced the strongest inhibitory effect at the concentration of 50 μg/mL. Transmission electron microscopy, Lyso Tracker Red staining, RT-qPCR, and Western blotting all showed significant inhibitory effect of baicalin on DENV-2-induced autophagy in HUVECs. DENV-2 infection of HUVECs caused increased cellular expressions of LC3 and P62 proteins, which were significantly lowered by treatment with LY294002 (a PI3K inhibitor).
conclusionBaicalin inhibits DENV-2 replication in HUVECs and suppresses DENV-2-induced cell autophagy by inhibiting the PI3K/AKT signaling pathway.
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