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Abnormal beta-catenin and reduced axin expression are associated with poor differentiation and progression in non-small cell lung cancer
Linköping University, Faculty of Health Sciences. Linköping University, Department of Clinical and Experimental Medicine, Experimental Pathology .
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2006 (English)In: American Journal of Clinical Pathology, ISSN 0002-9173, Vol. 125, no 4, 534-541 p.Article in journal (Refereed) Published
Abstract [en]

We studied the expression of axin and beta-catenin and their relation to clinicopathologic factors in 100 non-small cell lung cancers (NSCLCs) by immunohistochemical analysis. The mutation in exon 3 of the beta-catenin gene was examined by polymerase chain reaction and direct sequencing. Preserved axin expression was significantly higher in well- and moderately differentiated NSCLC samples than in poorly differentiated ones. Reduced membranous expression of beta-catenin was shown in 80 cases, whereas 26 cases had aberrant nuclear expression. Poor differentiation and lymph node metastasis were associated significantly with reduced beta-catenin expression. Lower axin expression was related significantly to higher nuclear beta-catenin expression. However, this study failed to detect any exon 3 mutation in the beta-catenin gene in the 100 NSCLC samples. We conclude that reduced beta-catenin and axin expression might predict poor differentiation in NSCLC. Reduced axin expression, but not mutation in exon 3, might be an important explanation for the abnormal beta-catenin expression in NSCLC.

Place, publisher, year, edition, pages
2006. Vol. 125, no 4, 534-541 p.
Keyword [en]
axin, beta-catenin, immunohistochemistry, lung cancer, WNT signaling
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-46040DOI: 10.1309/0MDY02KHEW1F6RT6OAI: diva2:266936
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-11

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Liu, YaweiYuan, Ximing
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ReferencesLink to record
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