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The intratumoural s...
The intratumoural subsite and relation of CD8(+) and FOXP3(+) T lymphocytes in colorectal cancer provide important prognostic clues
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- Ling, Agnes, 1976- (författare)
- Umeå universitet,Patologi
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- Edin, Sofia (författare)
- Umeå universitet,Patologi
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- Wikberg, Maria L. (författare)
- Umeå universitet,Patologi
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- Öberg, Åke (författare)
- Umeå universitet,Kirurgi
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- Palmqvist, Richard (författare)
- Umeå universitet,Patologi
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(creator_code:org_t)
- 2014-03-27
- 2014
- Engelska.
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Ingår i: British Journal of Cancer. - : Nature Publishing Group. - 0007-0920 .- 1532-1827. ; 110:10, s. 2551-2559
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://www.nature.c...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background: To find improved tools for prognostic evaluation in patients with colorectal cancer (CRC), we have analysed how infiltration of cytotoxic T lymphocytes (CD8(+)) and regulatory T lymphocytes (FoxP3(+)) correlates to prognosis, not only according to quantity and relation, but also to subsite within tumours of different molecular characteristics (microsatellite instability and CpG island methylator phenotype status).Methods: CD8 and FOXP3 expression was evaluated by immunohistochemistry in 426 archival tumour tissue samples from patients surgically resected for CRC. The average infiltration of CD8(+) and FOXP3(+) cells was assessed along the tumour invasive front, in the tumour centre and within the tumour epithelium (intraepithelial).Results: We found that infiltration of CD8(+) T lymphocytes within the tumour epithelium provided the strongest prognostic information (P < 0.001). At the tumour invasive front and tumour centre, FOXP3 expression withheld the strongest association to prognosis (P < 0.001), suggesting FOXP3(+) T-lymphocyte infiltration to be a better prognostic tool than CD8(+) T lymphocytes at these intratumoural subsites. We further analysed the possible prognostic impact of the relation between these T-cell subsets, finding that a high intraepithelial CD8 expression was associated with a better patient outcome, independent of FOXP3 infiltration. In groups of low intraepithelial CD8 expression, however, a high infiltration rate of FOXP3(+) cells at the tumour invasive front, significantly improved prognosis.Conclusions: Analyses of intraepithelial infiltration of CD8(+) T lymphocytes, infiltration of FOXP3(+) T lymphocytes at the tumour front or centre, and the relation between these subsets, may be a valuable tool for predicting prognosis in colon cancer.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Nyckelord
- colorectal cancer
- molecular subgroups
- lymphocyte subsets
- FOXP3
- CD8
- intratumoural subsites
- prognosis
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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