نتایج جستجو برای: sensitizing agents
تعداد نتایج: 364127 فیلتر نتایج به سال:
The lethal effects of bleomycin and its derivative, peplomycin, were determined for HeLa S3 cells grown in multicell spheroids cocultured with human diploid fibroblasts. Both drugs were less effective for cells in spheroids than for cells grown exponentially in monolayers. However, HeLa cells from spheroids exposed to the drugs in single-cell suspension were more sensitive to the drugs than wer...
AIMS Current-induced vasodilation (CIV) is an axon-reflex response observed during monopolar current application such as iontophoresis. Cyclo-oxygenase derivates (COD) participate in CIV and act as sensitizing agents at the anodal level. Mechanisms involved during cathodal current application (CCA) are partially unknown. In a randomized double-blind crossover trial, we tested in 16 healthy subj...
As our understanding of the molecular pathways driving tumorigenesis improves and more druggable targets are identified, we have witnessed a concomitant increase in the development and production of novel molecularly targeted agents. Radiotherapy is commonly used in the treatment of various malignancies with a prominent role in the care of prostate cancer patients, and efforts to improve the th...
Primary cardiac sarcomas carry a dismal prognosis with no known curative therapy using standard treatment approaches. By its very location, the possibility of a radical complete resection--the underlying principle in the management of any soft-tissue sarcoma--is precluded. While literally in a continuous "blood bath," cardiac sarcomas are associated with a very high rate of hematogenous metasta...
The treatment of localized prostate cancer is expected to become a significant problem in the next decade as an increasingly aging population becomes prone to developing the disease. Recent research into the biological nature of prostate cancer has shown that large localized doses of radiation to the cancer offer excellent long-term disease control. Brachytherapy, a form of localized radiation ...
Differentially regulated expression of activators and inhibitors of cyclin-dependent kinases (cdks) modulate cell cycle progression. In normal fibroblasts, these complexes consist of the cdk inhibitor p21WAF1/PCNA/G1 cyclin/cdk. We now show that bromodeoxyuridine (BrdUrd), a thymidine analogue and radiation sensitizer, inhibits growth and activity of cyclin A-cdk2 kinase in metastatic C8161 and...
We have shown that 2',2'-difluoro-2'-deoxycytidine (dFdCyd; Gemcitabine), a deoxycytidine analogue, is a potent radiation sensitizer when cells are exposed to it continuously for >16 h in low concentrations (in the range of 10 nM). However, the most common method of clinical administration is by short-term infusion (30-90 min). Therefore, we wished to determine under what conditions dFdCyd coul...
This paper provides quantitative structure activity relationship (QSAR) models for predicting the radiosensitization effectiveness of nitroimidazole compounds. A new method, combining a heuristic method and projection pursuit regression, was used to build an advanced QSAR model. Compared to the conventional multi-linear regression model, this model showed better predictive ability and reliabili...
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