Abstract
e16004 Background: Disulfidptosis has been discovered as a mechanism of cell death mediating by SLC7A11. Nonetheless, little is known about the relationship between SLC7A11 and hepatocellular carcinoma (HCC). Methods: The clinical and follow-up data of 84 consecutive HCC cases who met the inclusion criteria from 2016 to 2019 were retrospectively analyzed. The expression level of SLC7A11 in tissue samples was determined by immunohistochemistry. Kaplan-Meier and Cox regression analyses were performed to assess the correlation between survival and SLC7A11 expression in HCC patients. Results: We observed that SLC7A11 expression in HCC tissue is significantly higher than that in corresponding para-cancer tissue. Positive immunostaining SLC7A11 of was mainly located in the cytoplasm of HCC. Univariate analysis indicated that clinical pathological features such as expression level of SLC7A11, cirrhosis and stages were all risk factors affecting OS (P < 0.001). Multivariate COX analysis showed that expression level of SLC7A11 was independent risk factors for OS and high-level expression of SLC7A11 indicated poor overall survival for pHCC (P < 0.001). Conclusions: Our study showed that SLC7A11 might be a potential poor prognostic biomarker in HCC and represents a novel diagnostic marker and therapeutic target for HCC. Keywords: SLC7A11; disulfidptosis; hepatocellular carcinoma; prognostic biomarker.
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