Abstract:
:High-level microsatellite instability (MSI-H) in colorectal cancer accounts for about 12% of colorectal cancers and is typically associated with a dense infiltration with cytotoxic CD8-positive lymphocytes. The role of regulatory T cells that may interfere with the host's antitumoural immune response in MSI-H colorectal cancers has not been analysed yet. Using an antibody directed against the regulatory T-cell marker transcription factor forkhead box P3 (FOXP3), regulatory T cells were examined in 70 colorectal cancers with known MSI status (MSI-H, n=37; microsatellite stable, n=33). In MSI-H colorectal cancers, we found a significantly higher intraepithelial infiltration with FOXP3-positive cells (median: 8.5 cells per 0.25 mm(2) vs 3.1 cells per 0.25 mm(2) in microsatellite stable, P<0.001), and a significantly elevated ratio of intraepithelial to stromal infiltration (0.05 vs 0.01 in microsatellite stable, P<0.001). CD8-positive cell counts were related positively to the number of FOXP3-positive cells (Spearman's rho=0.56 and 0.55, respectively). Our results show that the elevated number of CD8-positive lymphocytes found in MSI-H colorectal cancers is paralleled by an enhanced infiltration with CD8-negative FOXP3-positive cells. These data suggest that FOXP3-positive cells may play a role in the regulation of the immune response directed against MSI-H colorectal cancers at the primary tumour site.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Michel S,Benner A,Tariverdian M,Wentzensen N,Hoefler P,Pommerencke T,Grabe N,von Knebel Doeberitz M,Kloor Mdoi
10.1038/sj.bjc.6604756subject
Has Abstractpub_date
2008-12-02 00:00:00pages
1867-73issue
11eissn
0007-0920issn
1532-1827pii
6604756journal_volume
99pub_type
杂志文章abstract:BACKGROUND:The co-chaperone protein Bcl-2-associated athanogene-1 (BAG-1) is overexpressed in breast cancer and has been incorporated in the oncotype DX and PAM50 breast cancer prognostic assays. Bcl-2-associated athanogene-1 exists as multiple protein isoforms that interact with diverse partners, including chaperones ...
journal_title:British journal of cancer
pub_type: 杂志文章,meta分析,评审
doi:10.1038/bjc.2017.130
更新日期:2017-06-06 00:00:00
abstract::Expression of the tumour suppressor gene p53 was examined in squamous cell carcinoma of the head and neck using two p53 antibodies, PAb 421 and PAb 1801. Elevated p53 expression was found in 67% of the 73 patients investigated. P53 expression was not found to correlate with whether the patient had been previously trea...
journal_title:British journal of cancer
pub_type: 杂志文章
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更新日期:2020-10-01 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章,多中心研究
doi:10.1038/bjc.2014.346
更新日期:2014-07-15 00:00:00
abstract::Allele imbalance on chromosome 11 loci in ovarian cancer is a frequent event, suggesting the presence of tumour-suppressor genes for ovarian carcinogenesis on this chromosome. Ten highly polymorphic (CA) repeat microsatellites were used to determine allele imbalance in 60 primary ovarian tumours, including 47 epitheli...
journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.1995.340
更新日期:1995-08-01 00:00:00
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pub_type: 杂志文章
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更新日期:1971-09-01 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.1988.187
更新日期:1988-08-01 00:00:00
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pub_type: 临床试验,杂志文章
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更新日期:2004-10-04 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/sj.bjc.6605486
更新日期:2010-01-19 00:00:00
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pub_type: 杂志文章
doi:10.1038/sj.bjc.6603009
更新日期:2006-03-27 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.2011.283
更新日期:2011-09-06 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.1983.38
更新日期:1983-02-01 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1038/bjc.2017.465
更新日期:2018-03-06 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/sj.bjc.6603414
更新日期:2006-11-06 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.1987.71
更新日期:1987-04-01 00:00:00
abstract::Oxygen is an essential regulator of cellular metabolism, survival, and proliferation. Cellular responses to oxygen levels are monitored, in part, by the transcriptional activity of the hypoxia inducible factors (HIFs). Under hypoxia, HIFs regulate a variety of pro-angiogenic and pro-glycolysis pathways. In solid cance...
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pub_type: 杂志文章,评审
doi:10.1038/sj.bjc.6605551
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.1996.186
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journal_title:British journal of cancer
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
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pub_type: 杂志文章,meta分析,评审
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更新日期:2016-03-29 00:00:00
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/bjc.1992.5
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journal_title:British journal of cancer
pub_type: 杂志文章
doi:10.1038/sj.bjc.6604345
更新日期:2008-05-20 00:00:00
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pub_type: 杂志文章
doi:10.1038/sj.bjc.6603867
更新日期:2007-08-06 00:00:00
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pub_type: 杂志文章
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更新日期:2017-01-17 00:00:00
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journal_title:British journal of cancer
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pub_type: 杂志文章,多中心研究
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journal_title:British journal of cancer
pub_type: 杂志文章
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pub_type: 杂志文章
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更新日期:2008-01-15 00:00:00
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