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PURPOSE Stage II and III adenocarcinoma of the rectum has an overall 5-year survival rate of approximately 50%, and tumor recurrence remains a major problem despite an improvement in local control through chemotherapy and radiation. The efficacy of chemoradiation therapy may be significantly compromised as a result of interindividual variations in clinical(More)
Excision repair cross-complementation group 1 (ERCC1) is a highly conserved protein and an essential member of the nucleotide excision repair pathway. DNA repair is an important mechanism for resistance to platinum-based chemotherapy. Previous studies have shown that ERCC1 gene expression is associated with clinical outcome to platinum chemotherapy in a(More)
BACKGROUND Researchers have recently reported an association between the epidermal growth factor receptor (EGFR) pathway and platinum-chemotherapy sensitivity in cancer patients. The (CA)(n) repeat polymorphism in intron 1 of the EGFR gene has been identified and found to alter EGFR expression in vitro as well as in vivo. A higher number of these CA repeats(More)
3604 Background: Manganese superoxide dismutase (MnSOD) and Glutathione peroxidase-1 (GPx-1) are two enzymes that scavenge ROS (reactive oxygen species) such as superoxide and hydrogen peroxide and protect cells from oxidative damage. MnSOD reduces superoxide to oxygen and hydrogen peroxide, and GPx-1 reduces hydrogen peroxide to water. Radiation therapy(More)
Several investigators have used morphometric measurements to determine differences in the nuclear size and shape of normal and neoplastic colorectal tissue. Changes in nuclear morphometric parameters have also been shown to correlate with prognosis in a variety of noncolorectal cancers. The association of nuclear morphometry with prognostic indicators in(More)
7580 Background: The optimal multi-modality treatment for resectable malignant pleural mesothelioma (MPM) remains unknown. We designed a biomarker-based neoadjuvant trial from our preclinical studies showing that dasatinib, a multi-targeted Src kinase inhibitor, has activity against MPM and target specificity to Src Tyr419. METHODS Untreated MPM patients(More)
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