| Adiponectin receptor expression in gastric carcinoma: implications in tumor development and progression. | |
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MedLine Citation:
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PMID: 23358721 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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PURPOSE: Adiponectin, an adipocyte-secreted endogenous insulin sensitizer, appears to play an important role in progression of several malignancies. Expression of adiponectin receptors-AdipoR1 and AdipoR2-has been documented in gastric cancer (GC) cell lines, but its role in GCs is still controversial. We investigated expression level of 2 adiponectin receptors and correlated their expression with prognosis in GC patients. METHODS: We immunohistochemically evaluated AdipoR1 and AdipoR2 expression in 59 non-neoplastic gastric mucosas, 48 gastric adenomas, 250 GCs, and 58 lymph nodes involved by metastatic GC and assessed its association with clinicopathologic characteristics. RESULTS: Expression rates of both receptors increased stepwise in non-neoplastic gastric mucosa, gastric adenoma, intestinal-type GC, and metastatic GC (p < 0.001). AdipoR1 and AdipoR2 expression was observed in 85 (34.0 %) and 118 (47.2 %) GC cases, respectively. Expression rates were higher in intestinal-type GC than in diffuse-type GC (p < 0.001 and 0.016, respectively). AdipoR1 and AdipoR2 expression was more frequent in advanced GC than in early GC (p < 0.001, each) and was associated with lymphatic invasion (p = 0.046 and 0.001, respectively). AdipoR2 expression was associated with poor overall and disease-free survival (p = 0.001 and 0.007, respectively). AdipoR1 expression was associated with poor disease-free survival for intestinal-type GC patients (p = 0.046). In multivariate analysis, AdipoR2 was an independent prognostic factor for intestinal-type GC (p = 0.017). CONCLUSIONS: Adiponectin receptor expression is related to GC development and progression, especially intestinal-type GC. Thus, adiponectin receptor expression can serve as a prognostic marker in GC patients. |
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Authors:
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Eun Shin; Do Joong Park; Hyung-Ho Kim; Nam Hee Won; Gheeyoung Choe; Hye Seung Lee |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-29 |
Journal Detail:
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Title: Journal of cancer research and clinical oncology Volume: - ISSN: 1432-1335 ISO Abbreviation: J. Cancer Res. Clin. Oncol. Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7902060 Medline TA: J Cancer Res Clin Oncol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Pathology, Seoul National University Bundang Hospital, 173-82 Gumiro, Bundang-gu, Seongnam, Gyeonggi, 463-707, South Korea. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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