Correlation of Musashi-1, Lgr5, and pEGFR expressions in human small intestinal adenocarcinomas

Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine
Yan WangLi-Fang Fan

Abstract

Recent studies have revealed that Musashi-1 and Lgr5 (leucine-rich-repeat-containing G-protein-coupled receptor 5) were putative stem cell genes. The epidermal growth factor receptor (EGFR) has also been extensively studied; it was known as an oncogenic driver in cancers. Overexpressions of Musashi-1, EGFR, and Lgr5 have been reported in some tumor tissues and cell lines. In this study, we used immunohistochemical analysis to investigate the expression pattern of Musashi-1, Lgr5, and pEGFR in 38 small intestinal adenocarcinomas (SIAs) resection specimens, 20 matched normal specimens and tried to analyze the correlations among them. The positive rate of Musashi-1, Lgr5, and pEGFR in SIAs, respectively, was 71 % (27/38), 55 % (21/38), and 45 % (17/38). Compared with the adjacent normal small intestinal mucosa, Musashi-1, Lgr5, and pEGFR protein were overexpressed in SIAs (P< 0.05). Furthermore, Musashi-1 and Lgr5 expressions were significantly correlated with the depth of wall invasion (P = 0.0011, P = 0.0017, respectively). Musashi-1 expression was closely correlated with Lgr5 (P = 0.015, r = 0.392). However, pEGFR expression was not associated with age, gender, tumor size, differentiation, depth of invasion, lymphatic metastasi...Continue Reading

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Citations

Jan 9, 2019·SLAS Discovery·Vito Giuseppe D'AgostinoValentina Adami
Aug 12, 2016·International Journal of Gynecological Pathology : Official Journal of the International Society of Gynecological Pathologists·Junji MitsushitaAkira Tanaka
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