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Clinicopathologic Significance of CD44s, CD44v5 and CD44v6 Expression in Non Small Cell Lung Carcinomas
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비소세포폐암종에서 CD44s, CD44v5 및 CD44v6 발현의 임상병리학적 의의

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Type
Academic journal
Author
Journal
대한병리학회 Journal of Pathology and Translational Medicine Journal of Pathology and Translational Medicine 제38권 제2호 KCI Accredited Journals
Published
2004.1
Pages
93 - 99 (7page)

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Clinicopathologic Significance of CD44s, CD44v5 and CD44v6 Expression in Non Small Cell Lung Carcinomas
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Background : CD44 is a polymorphic family of transmembrane glycoproteins generated by alternative splicing of messenger RNA and is involved in the mechanism of tumor invasion and metastasis. Methods : The expression of selected CD44 molecules (CD44s, CD44v5, and CD44v6) was determined immunohistochemically in 84 cases of non small cell lung carcinomas (NSCLCs). The results were compared with PCNA index, microvessel density (MVD), and clinicopathological parameters including patient’s survival. Results : CD44s showed a positive reaction in 61.9% (52/84) of NSCLCs, CD44v5 in 73.8% (62/84), and CD44v6 in 39.3% (33/84). Squamous cell carcinomas (SCCs) displayed preferential expression of all CD44 molecules in comparison with adenocarcinomas (ACs) (p<0.001). As a whole, the expression of CD44 molecules was not correlated with clinical parameters (stage, TNM-T, and TNM-N), PCNA index, or MVD. For ACs only, however, CD44v5 expression was negatively correlated with PCNA index (p<0.05). Poor survival was correlated with CD44v5 expression in ACs and CD44v6 in SCCs (both, p<0.05). Conclusions : These findings suggest that CD44 molecule in NSCLC could be a distinctive phenotypic marker for SCC, and the possibility that CD44v5 and CD44v6 are in some way instrumental in conditioning the biologic behavior of NSCLC according to major histologic types.
#Non Small Cell Lung Carcinoma-Antigens #CD44-Proliferating Cell Nuclear Antigen-

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/ / A new variant of glycopro-teinCD44 confers metastatic potential to rat carcinoma cells : 13 ~ 24 google schola / / CD44 splice variants confermetastatic behavior in rats : 5292 ~ 7 google schola / / Expression of CD44 in humanlung tumors pen (mb) : 1381 ~ 7 google schola / / Expression ofalternatively spliced forms of the CD44 extracellular-matrix receptoron human lung carcinomas : 110 ~ 5 google schola / / Multiple variants of the human lymphocytehoming receptor CD44 generated b google schola

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