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Characterization of Anoikis-Resistant Cells in Mouse Colonic Epithelium.
MedLine Citation:
PMID:  23629020     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Anoikis is a form of apoptosis triggered by inadequate or inappropriate cell matrix contacts. Anoikis resistance has been utilized to isolate adult stem or progenitor cell populations from various tissues. The aim of this study was to characterize the stem or progenitor cell markers expressed in anoikis-resistant cells isolated from mouse colonic epithelium. Mouse colonic epithelial cells were isolated by Ca(2+)-depletion, and anoikis-resistant cells were obtained by culturing the cells in ultra-low attachment dishes. Flow cytometry analysis showed that anoikis-resistant cells are positive for the epithelial cell marker CD326, but negative for the hematopoietic cell marker CD45, eliminating the possibility of hematopoietic cell contamination. The majority of anoikis-resistant cells were also positive for the stem or progenitor cell markers CD133 and DCLK1, by immunofluorescent analysis. Reverse transcriptase-polymerase chain reaction analysis revealed that anoikis-resistant cells express +4 position cell marker Hopx, but did not express the other reported stem or progenitor cell markers, Lgr5, Musashi1, Bmi1, mTert and Olfm4. CD133 and DCLK1 double positive cells were observed both apical and basal crypts in mouse proximal colonic tissues. Together, anoikis-resistant cells in mouse colon epithelium were shown to be positive for CD133, DCLK1, Hopx and CD326, but negative for CD45, Lgr5, Musashi1, Bmi1, mTert and Olfm4. This study has shown a possible approach to isolating stem cells from the intestinal epithelium.
Authors:
Hideyoshi Kawasaki; Tetsuya Yoshida; Kazuhide Horiguchi; Takashi Ohama; Koichi Sato
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-4-30
Journal Detail:
Title:  The Journal of veterinary medical science / the Japanese Society of Veterinary Science     Volume:  -     ISSN:  1347-7439     ISO Abbreviation:  J. Vet. Med. Sci.     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-4-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9105360     Medline TA:  J Vet Med Sci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Laboratory of Veterinary Pharmacology, Joint Faculty of Veterinary Medicine, Yamaguchi University.
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