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- W2756559535 abstract "High expression of Sam68 in sacral chordomas is associated with worse clinical outcomes Hai Wen,1,* Pengzhi Li,1,* Hong Ma,1 Jiaoyun Zheng,2 Yipin Yu,1 Guohua Lv1 1Department of Spine Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; 2Department of Pathology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China *These authors contributed equally to this work Abstract: Src-associated in mitosis of 68 kDa (Sam68), also known as KHDRBS1 (KH domain-containing, RNA-binding, signal transduction-associated 1), is a member of the signal transduction and activation of RNA family. Previous studies have demonstrated that the aberrant expression of Sam68 is associated with the progression and prognosis of a variety of cancers, but little is known about its expression and role in chordomas, which are rare and aggressive bone neoplasms. In this study, we analyzed 40 tumor tissues and 20 distant normal tissues obtained from 40 patients with sacral chordoma using immunohistochemistry, and observed the expression of Sam68 was significantly upregulated in sacral chordomas compared with normal tissues (P=0.001). A positive correlation between the expression of Sam68 and the cell proliferation index Ki-67 was determined using Spearman’s rank correlation test (γ=0.599, P<0.001). In addition, high expression of Sam68 was significantly associated with surrounding muscle invasion (P<0.001). Moreover, Kaplan–Meier curves showed that patients with overexpressed Sam68 had shorter local recurrence-free survival time (P<0.001). Lastly, multivariate analysis indicated that Sam68 is an independent prognostic factor for the local recurrence-free survival of sacral chordomas (hazard ratio =5.929, 95% CI: 1.092–32.188, P=0.039). Our findings suggest the use of Sam68 as a predictor for the recurrence of sacral chordomas. Keywords: sacral chordoma, Sam68, recurrence, prognostic factor" @default.
- W2756559535 created "2017-10-06" @default.
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- W2756559535 date "2017-09-01" @default.
- W2756559535 modified "2023-10-16" @default.
- W2756559535 title "High expression of Sam68 in sacral chordomas is associated with worse clinical outcomes" @default.
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- W2756559535 doi "https://doi.org/10.2147/ott.s147446" @default.
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