Abstract
GLTSCR2 was originally identified as a candidate tumor suppressor in several types of cancers. The present study was to investigate the expression pattern of GLTSCR2 in different cervical lesion tissues, appraise its potential role in cervical cancerogenesis. 225 histologically confirmed samples representing a wide range of cervical disease processes were studied in this study using immunohistochemistry (IHC). Compared with normal cervix and low-grade cervical intra-epithelial neoplasia (CIN I), cervical cancer and high-grade cervical intra-epithelial neoplasia (CIN II-III) tissues had lower expression scores of IHC staining of GLTSCR2. The positive staining signals of GLTSCR2 in CIN were decreased according to the grades of the intra-epithelial lesions. The IHC scores of GLTSCR2 in cervical cancer tissues were significantly lower than that in adjacent normal tissues. Different from previous report, we also found that GLTSCR2 was expressed in both nucleus and cytoplasm of cervical tissues, and the cytoplasmic expression of GLTSCR2 was observed in almost all tissues. We demonstrated the GLTSCR2 expression decreased with the rise of the grade of cervical lesions. GLTSCR2 may play an important role in carcinogenesis of cervical cancer.
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