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    Am J Clin Pathol. 2007 Sep;128(3):430-6.

    High-level SLP-2 expression and HER-2/neu protein expression are associated with decreased breast cancer patient survival.

    Cao W, Zhang B, Liu Y, Li H, Zhang S, Fu L, Niu Y, Ning L, Cao X, Liu Z, Sun B.

    The Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China.

    There is sufficient evidence that human stomatin-like protein 2 (SLP-2) is a novel cancer-related gene. Its protein is overexpressed in many human cancers. SLP-2 can contribute to the promotion of cell growth, cell adhesion, and tumorigenesis in esophageal squamous cell carcinoma and lymph node metastasis in laryngeal squamous cell carcinoma. Immunohistochemical detection of SLP-2, estrogen and progesterone receptors, and HER-2/neu were performed on 263 cases of primary invasive breast cancer with a tissue microarray. Of 263 cases, 138 (52.5%) showed high expression of SLP-2 protein, and 125 (47.5%) showed low or absent expression. In addition, there were significant positive associations between tumor stage and size (P = .020), lymph node metastasis (P < .001), clinical stage (P < .001), distant metastasis (P = .002), and HER-2/neu protein expression (P = .037) and high-level SLP-2 expression. High-level SLP-2 expression was associated with decreased overall survival (P = .011) and was more often found in patients with tumors larger than 20 mm, lymph node metastasis, advanced clinical stage, distant metastasis, and HER-2/neu protein-positive expression. More important, lymph node metastasis, HER-2/neu-positive expression, and high-level SLP-2 expression were associated with significantly decreased survival.

    PMID: 17709317 [PubMed - indexed for MEDLINE]

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