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Human papillomavirus (HPV) infection plays a significant role in the development and progression of head and neck squamous cell carcinoma (HNSCC). Expression of miR-21 has a prognostic role in a wide variety of cancers. The upregulation of miR-21 suppresses a number of target genes, including phosphatase tensin homologue (PTEN) and programmed cell death 4(More)
OBJECTIVES Autophagy is a critical intracellular pathway for the removal of aggregated proteins and damaged organelles. The aim of this study was to explore the contribution of autophagy-related proteins to clinical outcomes of patients with resected pancreatic ductal adenocarcinoma (PDAC). METHODS The expression of 5 autophagy-related proteins in the(More)
The aims of this study were to investigate centrosome abnormalities in non-small cell lung cancer (NSCLC), and to assess their relationship with DNA aneuploidy, the expression of the cell cycle-associated proteins, and clinicopathological profiles. Tissue microarrays were constructed from 175 NSCLCs. We analyzed centrosome abnormalities and the expression(More)
Anemia is a common complication in dialysis patients because of their relative erythropoietin deficiency. Despite treatment with erythropoiesis-stimulating agents (ESAs), some patients experienced ESA hyporesponsiveness. We evaluated the clinical and laboratory factors that affect ESA hyporesponsiveness and investigated the relationships between hepcidin,(More)
OBJECTIVES The expression of survivin, an inhibitor of apoptosis, in tumor cells is associated with poor clinical outcome for various cancers. We conducted this study to determine survivin expression in patients with adenoid cystic carcinoma (ACC) of the head and neck and to identify its clinical significance as a prognostic factor. MATERIALS AND METHODS(More)
PURPOSE Lymphatic spread of tumor is an important prognostic factor for patients with non-small cell lung carcinoma (NSCLC). Vascular endothelial growth factor-C (VEGF-C) and VEGF-D play important roles in lymphangiogenesis via the VEGF receptor 3 (VEGFR-3). We sought to determine whether VEGF-C, VEGF-D and VEGFR-3 are involved in the clinical outcomes of(More)
BACKGROUND Cyclooxygenase-2 (COX-2) contributes to invasiveness of cancer through activation of several matrix metalloproteinases (MMPs). Matrix metalloproteinase-2 (MMP-2) is a proteolytic enzyme that degrades the extracellular matrix, and has been linked to invasion and metastasis. This study aims to assess the correlation of the COX-2 expression and the(More)
Pseudocirrhosis refers to a condition that shows changes in hepatic contour that mimic cirrhosis radiographically in the absence of the typical histopathological findings of cirrhosis. This condition has been observed in patients with cancer metastatic to the liver, both in those who have undergone prior systemic chemotherapy and those who have not.(More)
BACKGROUND 11q13 region is a frequently amplified locus in human malignancies. Among the genes located in this region, FADD is one of the alleged driving genes. Because amplification is not generally confined to a single gene and amplified genes may not show increased expression, we need to evaluate clinical significance of changes occurring in 11q13 region(More)
Palliative chemotherapy is used to prolong survival among elderly patients with inoperable gastric cancer (GC). We analyzed differences between single and combination first-line palliative chemotherapy among these patients. Included patients were >70 years old and were treated for GC at four clinical centers of the Catholic University of Korea. Baseline(More)