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A genomewide technology, digital karyotyping, was used to identify subchromosomal alterations in ovarian cancer. Amplification at 11q13.5 was found in three of seven ovarian carcinomas, and amplicon mapping delineated a 1.8-Mb core of amplification that contained 13 genes. FISH analysis demonstrated amplification of this region in 13.2% of high-grade(More)
BACKGROUND Recent work has suggested a role for nuclear factor kappaB (NF-kappaB) in the propagation of ovarian cancer cell lines, but the significance and mechanism of NF-kappaB in ovarian cancer is unknown. The authors hypothesized that the NF-kappaB pathway is over activated in aggressive ovarian cancers. METHODS The levels of 3 NF-kappaB transcription(More)
A comprehensive pathological report is essential for optimal patient management, cancer staging and prognostication. In many countries, proforma reports are used but these vary in their content. The International Collaboration on Cancer Reporting (ICCR) is an alliance formed by the Royal College of Pathologists of Australasia, the Royal College of(More)
The object of this study was to analyze the potential association between the expression of MMP-2, MMP-9, MT1-MMP and TIMP-2, and disease outcome in advanced-stage ovarian carcinomas. Sections from 70 paraffin-embedded blocks (36 primary ovarian carcinomas and 34 metastatic lesions) from 45 patients diagnosed with advanced stage ovarian carcinomas (FIGO(More)
Improved insight into the molecular characteristics of the different ovarian cancer subgroups is needed for developing a more individualized and optimized treatment regimen. The aim of this study was to a) identify differentially expressed miRNAs in high-grade serous ovarian carcinoma (HGSC), clear cell ovarian carcinoma (CCC) and ovarian surface epithelium(More)
Our purpose was to analyze, by immunohisto-chemistry, the expression of activated serine-threonine protein kinase B (p-Akt) and phosphatase and tensin homologue deleted on chromosome 10 (PTEN) in benign nevi and primary and metastatic melanomas and to correlate the expression level with clinical variables. We observed cytoplasmic and/or nuclear expression(More)
BACKGROUND Ovarian cancer is one of the most lethal types of female malignancy. Although most patients are initially responsive to platinum-based chemotherapy, almost all develop recurrent chemoresistant tumors and succumb to their diseases. Elucidating the pathogenesis underlying drug resistance is fundamental to the development of new therapeutics,(More)
Resistance to chemotherapy represents a major obstacle for long-term remission, and effective strategies to overcome drug resistance would have significant clinical impact. We report that recurrent ovarian carcinomas after paclitaxel/carboplatin treatment have higher levels of spleen tyrosine kinase (SYK) and phospho-SYK. In vitro, paclitaxel-resistant(More)
Activation or suppression of intracellular signaling via the mitogen-activated protein kinase (MAPK) family has been linked to expression of matrix metalloproteinases (MMP) in experimental models, but this association has not been demonstrated in clinical material. The objective of this study was to investigate the possible association between expression(More)
The objective of this study was to compare the expression of the nerve growth factor (NGF) receptors TrkA and p75 in ovarian borderline tumors, International Federation of Gynecology and Obstetrics (FIGO) stage I carcinomas and advanced-stage (FIGO stage III-IV) carcinomas, and to assess a possible association between NGF receptor expression and(More)