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Circulating follicular helper T cells in Crohn's disease (CD) and CD-associated colorectal cancer.
MedLine Citation:
PMID:  24943684     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Follicular helper T cells (Tfh) represent a distinct subset of CD4+ T cells specialized in providing help to B lymphocytes. Studies have indicated that Tfh in circulating blood can act as a prognostic marker for diseases. In the current study, we investigated the percentages of circulating Tfh (CTfh) in Crohn's disease (CD) and CD-associated colorectal cancer (CRC). CTfh and it subtypes were determined by measuring CD3, CD4, CXCR5, CXCR3, and CCR6 using flow cytometry in 32 healthy controls and 78 CD patients, which included 16 CD-associated CRC. Data showed that proportion of CTfh in CD4+ T cells was significantly increased in CD patients (9.8 %) than in controls (5.1 %) (p < 0.01). Further analysis revealed that the upregulation of CTfh was contributed by CTfh-Th1 subtype and CTfh-Th17 subtype. Investigating the behavior of the patients demonstrated that prevalence of CTfh was significantly elevated in penetrating CD (20.9 %) than inflammatory CD (8.2 %) or stricturing CD (7.5 %). In addition, we analyzed CTfh in CD-associated CRC, and identified that patients with CRC had 1.59-fold higher percentage of CTfh than patients without CRC (p < 0.01). Furthermore, the distribution of CTfh subsets was significantly altered in patients with the cancer. This study suggests the involvement of CTfh in CD and CD-associated CRC, in which the effect of CTfh is partially different between these two diseases.
Authors:
Zhenlong Wang; Zhiming Wang; Yanqing Diao; Xiaoli Qian; Nan Zhu; Wen Dong
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-6-19
Journal Detail:
Title:  Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine     Volume:  -     ISSN:  1423-0380     ISO Abbreviation:  Tumour Biol.     Publication Date:  2014 Jun 
Date Detail:
Created Date:  2014-6-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8409922     Medline TA:  Tumour Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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