Document Detail


Histological study of stem-like cells in human colon adenocarcinoma at different stages of the disease.
MedLine Citation:
PMID:  23331188     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The presence of stem-like cells in tumors reflects the invasive character of the disease; however, their identification is controversial. We investigated the distribution of CD133, CD44 and CD24 using histological sections and tissue microarrays (TMAs) of human colon adenocarcinoma obtained from patients with and without lymph node metastases and/or liver metastases. Immunohistochemical staining was combined with nuclear staining and evaluated quantitatively using image analysis software. Sections of normal colon mucosa, the primary tumor, lymph node, and liver also were analyzed qualitatively and compared to the quantitative method, which was more accurate. In most tissues, the expression of CD44 and CD24 was relatively low compared to CD133, with some variations. CD133 also was expressed in the normal colon mucosa and to a lesser degree in normal hepatic parenchyma. Liver metastases exhibited significantly greater CD133 staining compared to normal colon mucosa, primary tumor and lymph node metastases. Moreover, lymph node metastases obtained from patients with liver metastases expressed significantly greater CD133 staining than those obtained from patients without liver metastasis. Our data suggest that CD133 expression in lymph node metastases may be of value for prognosis of the disease.
Authors:
L Florianova; M Orain; B Têtu; Cj Doillon
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-21
Journal Detail:
Title:  Biotechnic & histochemistry : official publication of the Biological Stain Commission     Volume:  -     ISSN:  1473-7760     ISO Abbreviation:  Biotech Histochem     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9107378     Medline TA:  Biotech Histochem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Faculty of Medicine , Laval University , Quebec City.
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