ArticleMolecular medicine reports2024
Knockdown of cullin 3 inhibits progressive phenotypes and increases chemosensitivity in cholangiocarcinoma cells.
Article in Molecular medicine reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Silencing of Epidermal Growth Factor-like Domain 8 Promotes Proliferation and Cancer Aggressiveness in Human Ovarian Cancer Cells by Activating ERK/MAPK Signaling Cascades.International journal of molecular sciences · 2024Article
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7 authors.
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Abstract
Cholangiocarcinoma (CCA) is an extremely aggressive malignancy arising from the epithelial cells lining the bile ducts. It presents a substantial global health issue, with the highest incidence rates, ranging from 40‑100 cases/100,000 individuals, found in Southeast Asia, where liver fluke infection is endemic. In Europe and America, incidence rates range from 0.4‑2 cases/100,000 individuals. Globally, mortality rates range from 0.2‑2 deaths/100,000 person‑years and are increasing in most countries. Chemotherapy is the primary treatment for advanced CCA due to limited options from late‑stage diagnosis, but its efficacy is hindered by drug‑resistant phenotypes. In a previous study, proteomics analysis of drug‑resistant CCA cell lines (KKU‑213A‑FR and KKU‑213A‑GR) and the parental KKU‑213A line identified cullin 3 (Cul3) as markedly overexpressed in drug‑resistant cells. Cul3, a scaffold protein within CUL3‑RING ubiquitin ligase complexes, is crucial for ubiquitination and proteasome degradation, yet its role in drug‑resistant CCA remains to be elucidated. The present study aimed to elucidate the role of Cul3 in drug‑resistant CCA cell lines. Reverse transcription‑quantitative PCR and western blot analyses confirmed significantly elevated Cul3 mRNA and protein levels in drug‑resistant cell lines compared with the parental control. Short interfering RNA‑mediated Cul3 knockdown sensitized cells to 5‑fluorouracil and gemcitabine and inhibited cell proliferation, colony formation, migration and invasion. In addition, Cul3 knockdown induced G
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