Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0019204 (hepatocellular carcinoma)
71,386 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

N-acetyltransferase 10 (NAT10) is a nucleolar protein involved in histone acetylation, telomerase activity regulation, DNA damage response and cytokinesis. The expression of NAT10 was found to be enhanced in several types of tumors, suggesting its correlation with tumor development. However, the specific role of NAT10 in hepatocellular carcinoma (HCC) is still unclear. The aim of this study was to investigate the expression of NAT10 in HCC patients and to assess the relationship of NAT10 expression with clinicopathological characteristics and tumor prognosis. We selected 17 pairs of HCC samples and adjacent non-neoplastic tissue for mRNA expression analysis. We also performed immunohistochemistry in 186 HCC samples to evaluate the NAT10 protein expression. Cox regression and Kaplan-Meier analysis was used to study the diagnostic and prognostic value of NAT10. The results showed that NAT10 expression was mainly localized in the nuclei/nucleoli and was significantly higher in HCC tissues than peritumoral tissues (P < 0.01). High NAT10 expression was positively correlated with histological differentiation (P < 0.01) and TNM classification (P < 0.01). Cox regression univariate and multivariable analysis revealed that expression of NAT10 in HCC was an independent prognostic factor for patient survival time. Our data suggested that NAT10 might be a promising prognostic marker and potential therapeutic target in HCC.
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PMID:High expression of N-acetyltransferase 10: a novel independent prognostic marker of worse outcome in patients with hepatocellular carcinoma. 2682 2

Dysregulation of N-acetyltransferase 10 (NAT10) is associated with the development of many types of tumors; however, its role in hepatocellular carcinoma (HCC) has not been fully elucidated. Here, we examined the role of NAT10 during epithelial-to-mesenchymal transition (EMT) in HCC and established its role in metastasis. We evaluated expression of NAT10 expression in four HCC cell lines and determined the effects of knockdown by siRNA or treatment with the NAT10 inhibitor, Remodelin. NAT10 was highly expressed in HCC cell lines with a mesenchymal-like phenotype (SNU387 and SNU449). Knockdown or inhibition of NAT10 resulted in diminished cell invasion and migration. Moreover, decreased levels of NAT10 were correlated with increased E-cadherin expression and down regulation of vimentin, both of which are canonical markers of EMT signaling, suggesting that NAT10-promoted metastasis may be mediated by EMT in HCC. Our data suggests that up regulation of NAT10-promoted metastasis of HCC cells may be mediated by EMT.
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PMID:Up regulation of NAT10 promotes metastasis of hepatocellular carcinoma cells through epithelial-to-mesenchymal transition. 2783 5