Grbesa, Ivana published the artcileExpression of sirtuin 1 and 2 is associated with poor prognosis in non-small cell lung cancer patients, Computed Properties of 380315-80-0, the publication is PLoS One (2015), 10(4), e0124670/1-e0124670/17, database is CAplus and MEDLINE.
Background: Sirtuin 1 (SIRT1) and sirtuin 2 (SIRT2) are NAD+-dependent protein deacetylases involved in the regulation of key cancer-associated genes. In this study we evaluated the relevance of these deacetylases in lung cancer biol. Material and Methods: Protein levels of SIRT1 and SIRT2 were determined in non-small cell lung cancer (NSCLC) cell lines and primary tumors from 105 patients. Changes in proliferation were assessed after SIRT1 and SIRT2 downregulation in lung cancer cell lines using siRNA-mediated technol. or tenovin-1, a SIRT1 and SIRT2 inhibitor. Results: High SIRT1 and SIRT2 protein levels were found in NSCLC cell lines compared with non-tumor lung epithelial cells. The expression of SIRT1 and SIRT2 proteins was also significantly higher in lung primary tumors than in normal tissue (P<0.001 for both sirtuins). Stronger nuclear SIRT1 staining was observed in adenocarcinomas than in squamous cell carcinomas (P = 0.033). Interestingly, in NSCLC patients, high SIRT1 and SIRT2 expression levels were associated with shorter recurrence-free survival (P = 0.04 and P = 0.007, resp.). Moreover, the combination of high SIRT1 and SIRT2 expression was an independent prognostic factor for shorter recurrence-free survival (P = 0.002) and overall survival (P = 0.022). In vitro studies showed that SIRT1 and/or SIRT2 downregulation significantly decreased proliferation of NSCLC. Conclusions: Our results support the hypothesis that SIRT1 and SIRT2 have a protumorigenic role in lung cancer, promoting cell proliferation. Moreover, the expression of these proteins is associated with poor prognosis in NSCLC patients and may help to identify those NSCLC patients with high risk of recurrence that could benefit from adjuvant therapy after resection.
PLoS One published new progress about 380315-80-0. 380315-80-0 belongs to amides-buliding-blocks, auxiliary class Apoptosis,p53, name is N-((4-Acetamidophenyl)carbamothioyl)-4-(tert-butyl)benzamide, and the molecular formula is C20H23N3O2S, Computed Properties of 380315-80-0.
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