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A novel 18-marker p...
A novel 18-marker panel predicting clinical outcome in breast cancer
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- Biermann, Jana (author)
- Gothenburg University,Göteborgs universitet,Sahlgrenska Cancer Center,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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Nemes, Szilard, 1977 (author)
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- Parris, Toshima Z, 1978 (author)
- Gothenburg University,Göteborgs universitet,Sahlgrenska Cancer Center,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Engqvist, Hanna, 1985 (author)
- Gothenburg University,Göteborgs universitet,Sahlgrenska Cancer Center,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Werner Rönnerman, Elisabeth, 1970 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för patologi,Sahlgrenska Cancer Center,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Biomedicine, Department of Pathology,Institute of Clinical Sciences, Department of Oncology
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- Forssell-Aronsson, Eva, 1961 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för radiofysik,Sahlgrenska Cancer Center,Institute of Clinical Sciences, Department of Radiation Physics
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- Steineck, Gunnar, 1952 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Karlsson, Per, 1963 (author)
- Gothenburg University,Göteborgs universitet,Sahlgrenska Cancer Center,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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- Helou, Khalil, 1966 (author)
- Gothenburg University,Göteborgs universitet,Sahlgrenska Cancer Center,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
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(creator_code:org_t)
- 2017
- 2017
- English.
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In: Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. - 1538-7755. ; 26:11, s. 1619-28
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Abstract
Subject headings
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- Gene expression profiling has made considerable contributions to our understanding of cancer biology and clinical care. This study describes a novel gene expression signature for breast cancer-specific survival that was validated using external datasets. Gene expression signatures for invasive breast carcinomas (mainly Luminal B subtype) corresponding to 136 patients were analysed using Cox regression and the effect of each gene on disease-specific survival (DSS) was estimated. Iterative Bayesian Model Averaging was applied on multivariable Cox regression models resulting in an 18-marker panel, which was validated using three external validation datasets. The 18 genes were analysed for common pathways and functions using the Ingenuity Pathway Analysis software. This study complied with the REMARK criteria. The 18-gene multivariable model showed a high predictive power for DSS in the training and validation cohort and a clear stratification between high- and low-risk patients. The differentially expressed genes were predominantly involved in biological processes such as cell cycle, DNA replication, recombination, and repair. Furthermore, the majority of the 18 genes were found to play a pivotal role in cancer. Our findings demonstrated that the 18 molecular markers were strong predictors of breast cancer-specific mortality. The stable time-dependent area under the ROC curve function (AUC(t)) and high C-indices in the training and validation cohorts were further improved by fitting a combined model consisting of the 18-marker panel and established clinical markers. Our work supports the applicability of this 18-marker panel to improve clinical outcome prediction for breast cancer patients.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
- NATURVETENSKAP -- Data- och informationsvetenskap -- Bioinformatik (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Bioinformatics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Bioinformatik och systembiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Bioinformatics and Systems Biology (hsv//eng)
Keyword
- breast cancer signature
- prognostic biomarkers
- outcome prediction
- model validation
Publication and Content Type
- ref (subject category)
- art (subject category)
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Biermann, Jana
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Nemes, Szilard, ...
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Parris, Toshima ...
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Engqvist, Hanna, ...
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Werner Rönnerman ...
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Forssell-Aronsso ...
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Steineck, Gunnar ...
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Karlsson, Per, 1 ...
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Helou, Khalil, 1 ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Cancer and Oncol ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Biochemistry and ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Genetics
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Computer and Inf ...
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and Bioinformatics
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Bioinformatics a ...
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Cancer epidemiol ...
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University of Gothenburg