ArticlePloS one2012
Near infrared imaging of EGFR of oral squamous cell carcinoma in mice administered arsenic trioxide.
Article in PloS one, 2012. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 11 citations in OpenAlex.
- Multifactorial Modes of Action of Arsenic Trioxide in Cancer Cells as Analyzed by Classical and Network Pharmacology.Frontiers in pharmacology · 2018Article
- Evidence of hormesis on human neuronal SK-N-BE cells treated with sodium arsenate: impact at the mitochondrial level.Environmental science and pollution research international · 2016Article
- Combined arsenic trioxide-cisplatin treatment enhances apoptosis in oral squamous cell carcinoma cells.Cellular oncology (Dordrecht, Netherlands) · 2014Article
- Near-infrared fluorescent probes in cancer imaging and therapy: an emerging field.International journal of nanomedicine · 2014Review
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Corrections and comments
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundThe effectiveness of near-infrared imaging (NIR) interrogation of epidermal growth factor receptor (EGFR) expression as a sensitive biomarker of oral squamous cell carcinoma (OSCC) response to arsenic trioxide therapy was studied in mice. MATERIAL AND
methodsA431 OSCC in vitro were exposed to 0 µM, 0.5 µM, 2.5 µM, or 5 µM of As(2)O(3) for 0 h, 24 h, 48 h and 72 h. Confocal microscopy and flow cytometry confirmed EGFR expression and demonstrated a sensitivity dose-related signal decline with As(2)O(3) treatment. Next, mice with pharynx-implanted A431 cells received As(2)O(3) i.p. every 48 h at 0.0, 0.5, 2.5, or 5 mg/kg/day (n = 6/group) from day 0 to 10. An intravenous NIR probe, EGF-Cy5.5, was injected at baseline and on days 4, 8, and 12 for dynamic NIR imaging. Tumor volume and body weights were measured three times weekly.
resultsIn vitro, A431 EGFR expression was well appreciated in the controls and decreased (p<0.05) with increasing As(2)O(3) dose and treatment duration. In vivo EGFR NIR tumor signal intensity decreased (p<0.05) in As(2)O(3) treated groups versus controls from days 4 to 12, consistent with increasing dosage. Tumor volume diminished in a dose-related manner while body weight was unaffected. Immunohistochemical staining of excised tumors confirmed that EGFR expression was reduced by As(2)O(3) treatment in a dose responsive pattern.
conclusionThis study demonstrates for the first time that OSCC can be interrogated in vivo by NIR molecular imaging of the EGFR and that this biomarker is effective for the longitudinal assessment of OSCC response to As(2)O(3) treatment.
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Registered trials
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