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The early detection and localization of bronchial cancer remains a challenging task. Autofluorescence bronchoscopy is emerging as a useful diagnostic tool with improved sensitivity and specificity. Evidence exists that the native fluorescence or autofluore ...
To examine the consequences of repressing beta-catenin/Lef1 signalling in mouse epidermis, we expressed a DeltaNLef1 transgene, which lacks the beta-catenin binding site, under the control of the keratin 14 promoter. No skin abnormalities were detected bef ...
Image and flow cytometry was used to study the nuclear DNA content (ploidy) during the squamous cell carcinogenesis in the esophagus. The present retrospective study comprised 26 surgical specimens of squamous cell carcinomas (SCC) in patients who underwen ...
In human cutaneous malignant melanoma, a predominance of activated mutations in the N-ras gene has been documented. To obtain a mouse model most closely mimicking the human disease, a transgenic mouse line was generated by targeting expression of dominant- ...
Can individual cells, including live cells, be imaged using hard x rays? Common wisdom until now required sophisticated staining techniques for this task. We show instead that individual cells and cell details can be detected in culture solution and tissue ...
Notch proteins are important in binary cell-fate decisions and inhibiting differentiation in many developmental systems, and aberrant Notch signaling is associated with tumorigenesis. The role of Notch signaling in mammalian skin is less well characterized ...
The aim of this thesis is to optimize and obtain fundamental information on i) the photodetection (PD) of early stage cancers in the tracheo-bronchial tree by spectroscopic imaging of the tissue autofluorescence, ii) photodynamic therapy (PDT) applied in d ...
Fibroblast growth factor 2 (FGF2) has been assigned a role in melanocyte proliferation and in development of human cutaneous melanoma. We have used a transgenic mouse melanoma model in combination with mice lacking mouse FGF2 to analyse the possible implic ...
Photodynamic therapy (PDT) may modify the mucosal immune response and thus serve as a therapy for Crohn’s disease (CD). After evaluating safety in BALB/c mice and establishing an endoscopic index of colitis (EIC), we could demonstrate that a single «low do ...
