ArticleIn vivo (Athens, Greece)
Non-invasive Fluorescence Imaging of Breast Cancer Metastasis to the Brain in an Orthotopic Nude-mouse Model With Very-narrow-band-width Laser Excitation of Red Fluorescent Protein Resulting in an Ultra-bright Signal Without Skin Autofluorescence.
Article in In vivo (Athens, Greece). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 5 citations in OpenAlex.
- Non-Invasive Direct Visualization of Luciferase-Luciferin Emitted Light Producing True Images from an Orthotopic Lung Cancer Xenograft Model in Nude Mice Using an Ultra-sensitive Low-light Camera and Optics.In vivo (Athens, Greece)Article
- Imaging Transgenic Nude Mice Expressing Spectrally-distinct Fluorescent Reporters Emitting From Blue to Far Red Light With One Instrument With Single-nanometer-tuning of Laser-excitation Fluorescence.Cancer diagnosis & prognosisArticle
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8 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
aimBreast-cancer metastasis to the brain is an intractable disease. To discover improved therapy for this disease, we developed a precise non-invasively-imageable orthotopic nude-mouse model, using very-narrow-band-width laser fluorescence excitation. MATERIALS AND
methodsFemale nu/nu nude mice, aged 4-8 weeks, were inoculated through the midline of the skull with triple-negative human MDA-MB-231 breast cancer cells (5×10
resultsThree weeks after injection of MDA-MB-231-RFP cells in the brain, non-invasive fluorescence images of the breast tumor growing on the brain were obtained. The images of the tumor were very bright, with well-defined margins with no detectable skin autofluorescence background. Images obtained at various angles showed that the extent of the tumor margins could be precisely measured. A skin flap over the skull confirmed that the tumor was growing on the surface of the brain which is a frequent occurrence in breast cancer.
conclusionA precise orthotopic model of RFP-expressing breast-cancer metastasis to the brain was developed that could be non-invasively imaged with very-narrow-band-width laser excitation, resulting in an ultra-bright, ultra-low-background signal. The model will be useful in discovering improved therapeutics for this recalcitrant disease.
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