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pubmed:abstractText |
This study was designed to investigate the biological and therapeutic significance of ERBB1, ERBB2, ERBB3, and ERBB4 in childhood ependymoma. Experimental Design: The expression frequency and clinical significance of ERBB1-4 was analyzed in a large cohort of pediatric ependymoma (n = 121) using immunohistochemistry, Western blotting, and reverse transcription-PCR analysis. Histological markers of anaplasia (necrosis, microvascular proliferation, and Ki-67 proliferative index) were also determined. Functional assessment of ERBB-dependent cell signaling and proliferation, in addition to novel therapeutic inhibition of these processes, was conducted using short-term cultures of human ependymoma cells.
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