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Glutamine Synthetase Predicts Adjuvant TACE Response in Hepatocellular Carcinoma

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Specialty General Medicine
Date 2016 Feb 18
PMID 26884995
Citations 2
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Abstract

Background: Adjuvant transcatheter arterial chemoembolization (TACE) is associated with better outcome and reduced tumor recurrence in hepatocellular carcinoma (HCC) patients. This study aimed to investigate the relationship between glutamine synthetase (GS) expression and survival of HCC patients after postoperative adjuvant TACE.

Methods: We retrospectively analyzed 554 HCC patients in two independent cohorts who underwent curative resection. Immunohistochemistry assay was used to investigate the expression of GS protein and evaluate the association with survival and the response to adjuvant TACE.

Results: In training cohort, patients with low GS expression who received postoperative adjuvant TACE showed a better overall survival (OS) (P<0.001) and less early phase recurrence (P=0.016). Adjuvant TACE was an independent prognostic factor for 5-year OS (HR=0.408, 95% CI 0.261-0.639, P<0.001) and early phase recurrence (HR=0.592, 95% CI 0.376-0.931, P=0.023). The same result was confirmed in validation cohort. Patients with high GS expression in both cohorts did not have a significant response to adjuvant TACE in OS and early phase recurrence.

Conclusions: GS status in tumor might be a useful tool in the selection of HCC patients who would be likely to benefit from postoperative adjuvant TACE.

Citing Articles

Glutamine metabolic reprogramming in hepatocellular carcinoma.

Ye Y, Yu B, Wang H, Yi F Front Mol Biosci. 2023; 10:1242059.

PMID: 37635935 PMC: 10452011. DOI: 10.3389/fmolb.2023.1242059.


Glutamine Metabolism Scoring Predicts Prognosis and Therapeutic Resistance in Hepatocellular Carcinoma.

Ying L, Cheng M, Lu Y, Tao Q, Chen X, Shen B Pathol Oncol Res. 2022; 27:1610075.

PMID: 34992505 PMC: 8724684. DOI: 10.3389/pore.2021.1610075.

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