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Pan-cancer application of a lung-adenocarcinoma-derived gene-expression-based prognostic predictor
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- Nacer, Deborah F. (författare)
- Lund University,Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Bröst/lungcancer,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Breast/lungcancer,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Liljedahl, Helena (författare)
- Lund University,Lunds universitet,Melanoma Genomics,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Bröst/lungcancer,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Breast/lungcancer,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Karlsson, Anna F (författare)
- Lund University,Lunds universitet,Forskningsgrupp Lungcancer,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Bröst/lungcancer,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Research Group Lung Cancer,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Breast/lungcancer,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- (creator_code:org_t)
- 2021-05-10
- 2021
- Engelska.
- Ingår i: Briefings in Bioinformatics. - : Oxford University Press (OUP). - 1477-4054 .- 1467-5463. ; 22:6
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Gene-expression profiling can be used to classify human tumors into molecular subtypes or risk groups, representing potential future clinical tools for treatment prediction and prognostication. However, it is less well-known how prognostic gene signatures derived in one malignancy perform in a pan-cancer context. In this study, a gene-rule-based single sample predictor (SSP) called classifier for lung adenocarcinoma molecular subtypes (CLAMS) associated with proliferation was tested in almost 15 000 samples from 32 cancer types to classify samples into better or worse prognosis. Of the 14 malignancies that presented both CLAMS classes in sufficient numbers, survival outcomes were significantly different for breast, brain, kidney and liver cancer. Patients with samples classified as better prognosis by CLAMS were generally of lower tumor grade and disease stage, and had improved prognosis according to other type-specific classifications (e.g. PAM50 for breast cancer). In all, 99.1% of non-lung cancer cases classified as better outcome by CLAMS were comprised within the range of proliferation scores of lung adenocarcinoma cases with a predicted better prognosis by CLAMS. This finding demonstrates the potential of tuning SSPs to identify specific levels of for instance tumor proliferation or other transcriptional programs through predictor training. Together, pan-cancer studies such as this may take us one step closer to understanding how gene-expression-based SSPs act, which gene-expression programs might be important in different malignancies, and how to derive tools useful for prognostication that are efficient across organs.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
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