نتایج جستجو برای: a431
تعداد نتایج: 1202 فیلتر نتایج به سال:
BACKGROUND The 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 METHODS A431 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 microsc...
In this work, we verified that transferrin fluorescently labelled with lissamine rhodamine sulfochloride (Tf-LRSC) is internalized in epidermoid A431 carcinoma cells through the specific endocytic pathway of transferrin. The FRAP of this fluorescent marker internalized in the late compartment of transferrin endocytosis (LCT) was measured in living A431 cells. These experiments showed the presen...
We have explored the therapeutic effects of anti-epidermal growth factor receptor monoclonal antibodies (MAbs) 225 and 528 on well established A431 epidermoid carcinoma xenografts, approximately 400 mm 3 (1 cm in diameter) at the start of treatment. In previous reports we demonstrated that MAbs 225 and 528 prevented the growth of A431 cell xenografts in nude mice when treatment was begun on the...
Human cancer cell lines A431 and MCF7, which do not produce tenascin (TN) in vitro, were found to produce TN when injected into nude mice or co-cultured with the embryonic mesenchyme. The TN expression in the developing A431 solid tumor was demonstrated by immunohistochemistry and by in situ hybridization. Human TN was detected in culture media by western blot analysis using human specific mono...
Angiogenesis is essential for the development of malignant tumors and provides important targets for tumor diagnosis and therapy. To noninvasively assess the angiogenic profile of tumors, novel alpha(v)beta(3) integrin-targeted ultrasmall superparamagnetic iron oxide particles (USPIOs) were designed and their specific uptake by endothelial cells was evaluated in vitro and in vivo. USPIOs were c...
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