| Different roles of S100P Overexpression in Intrahepatic Cholangiocarcinoma: Carcinogenesis of Perihilar Type and Aggressive Behavior of Peripheral Type. | |
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MedLine Citation:
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PMID: 21412073 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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S100P is expressed in several kinds of malignant tumors. Intracellular S100P interacts with ezrin, and extracellular S100P activates the receptor for advanced glycation endproducts. However, little is known about the biological significance of S100P and related proteins in cholangiocarcinoma. Biliary intraepithelial neoplasia (BilIN) is a precursor lesion of hilar or perihilar cholangiocarcinoma. We examined S100P, ezrin, and the receptor for advanced glycation end product expression in 39 BilIN and 110 intrahepatic cholangiocarcinoma (ICC) cases, and analyzed its relationship with clinicopathologic factors and outcomes. S100P expression increased from reactive epithelium to low-grade BilIN to high-grade BilIN. S100P and ezrin expression rates in perihilar-type ICC were higher than those in peripheral-type ICC (P<0.0001, P=0.0008, respectively). S100P nuclear expression in peripheral-type ICC significantly correlated with vascular invasion (P=0.0209), lymphatic invasion (P=0.0003), and lymph node metastasis (P=0.003). S100P and ezrin expression was significantly correlated. S100P-positive and ezrin-positive cases indicate shorter survival in survival analysis of the peripheral type (P=0.001, P=0.0728, respectively). Our results suggest that S100P-ezrin signaling has different roles of carcinogenesis of perihilar ICC and an aggressive course of peripheral ICC. |
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Authors:
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Shinichi Aishima; Nobuhiro Fujita; Yohei Mano; Yuichiro Kubo; Yuki Tanaka; Akinobu Taketomi; Ken Shirabe; Yoshihiko Maehara; Yoshinao Oda |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The American journal of surgical pathology Volume: 35 ISSN: 1532-0979 ISO Abbreviation: Am. J. Surg. Pathol. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-03-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7707904 Medline TA: Am J Surg Pathol Country: United States |
Other Details:
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Languages: eng Pagination: 590-8 Citation Subset: IM |
Affiliation:
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Departments of *Anatomic Pathology †Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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