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Article Abstract
Background/aim: Identifying prognostic and molecular markers as therapeutic targets for esophageal squamous cell carcinoma (ESCC) could enhance the efficacy of multidisciplinary treatments. While tissue expression of sirtuin 1 (SIRT1) has been linked to tumor progression in ESCC, prognostic significance of serum SIRT1 levels and their correlation with tissue SIRT1 remains unexplored. This study aimed to investigate the correlation between serum and tissue SIRT1 levels in patients with ESCC.
Patients And Methods: A total of 38 patients diagnosed with ESCC who were untreated preoperatively were recruited for this study. SIRT1 expression in the surgical specimens was assessed through immunostaining, while serum SIRT1 levels were measured using an enzyme-linked immunosorbent assay. We analyzed the association between tissue and serum SIRT1 levels, clinicopathological features, and patient prognosis.
Results: Positive SIRT1 expression in tissue was significantly associated with deeper tumor depth (p=0.020). It was also significantly associated with poorer overall survival (OS) and relapse-free survival (RFS) (p=0.041 and p=0.012, respectively). Elevated serum SIRT1 levels were significantly correlated with increased tumor depth and weight loss (p=0.012 and p=0.030). While higher serum SIRT1 levels tended to be associated with poorer OS (p=0.069), no significant correlation was found between SIRT1 expression in tissue and its concentration in serum.
Conclusion: SIRT1 tissue expression may be a valuable prognostic marker in ESCC. However, the clinical significance of serum SIRT1 levels appears to differ from that of its tissue expression. Future research is required to clarify the role of serum SIRT1 in ESCC.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11534044 | PMC |
| http://dx.doi.org/10.21873/cdp.10393 | DOI Listing |
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