PMID: 20654157Jul 27, 2010Paper

Relationship between SLP-2 expression and prognosis in laryngeal squamous cell carcinoma and mammary invasive carcinoma

Zhonghua bing li xue za zhi Chinese journal of pathology
Wen-feng CaoBao-cun Sun

Abstract

To study the expression of stomatin like protein-2 (SLP-2) at mRNA and protein levels in two kinds of malignant epithelial tumors, including laryngeal squamous cell carcinoma (LSCC) and invasive breast cancer, and to study the relations of SLP-2 expression and clinicopathologic parameters with the prognosis. RT-PCR and Western blot were used to detect the expression of SLP-2 mRNA and protein in LSCC and their normal counterparts (46 and 10 pair, respectively). Immunohistochemistry was carried on tissue array constructed from LSCC (104 cases) and breast cancer (263 cases), respectively. The association between SLP-2 expression and clinicopathologic parameters was analyzed. LSCC showed a higher expression of SLP-2 than that of their normal counterparts (negative expression) at mRNA (83%, 38/46) and protein (7/10) level. Immunohistochemical analysis of LSCC showed that compared with negative expression in normal laryngeal epithelium (0/20), a higher SLP-2 expression was detected in LSCC (36/104, P=0.000) and associated with the advanced clinical stage (P<0.01) and lymph node metastasis (P=0.003). Immunohistochemical study of invasive breast cancer demonstrated that compared with negative expression in normal breast tissue (0/10), ...Continue Reading

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