期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 307, 期 2, 页码 375-381出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/S0006-291X(03)01190-2
关键词
S100 proteins; tumor tissue microarray; RAGE
Microarray technology provides important information for diagnostic, prognostic, and even therapeutic applications. Several S 100 proteins have been proposed to play important roles in tumor progression and are recognized as potential tumor markers. To substantiate these limited earlier findings, we screened hundreds of tumor specimens from patients of eight different tumor types using tissue microarrays. The results validated the expression of S100A4, S100A6, and S100B in specific tumor types. A significant S100A2 expression was observed in lymphoma biopsies, which implies a possible link between this S100 protein and lymphoma development. In contrast. S100A5 and S100A12 were not significantly expressed in any of the tumor tissues tested. Interestingly, expression of RAGE (receptor for advanced glycation end products) was found in breast and lung tumor tissues where abundant S100A4 and S100A6 expression was also observed. This suggests a possible role of RAGE-mediated signal transduction in the development of these particular cancers. (C) 2003 Elsevier Inc. All rights reserved.
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