期刊
FREE RADICAL BIOLOGY AND MEDICINE
卷 209, 期 -, 页码 108-115出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.freeradbiomed.2023.10.015
关键词
Differentiated thyroid cancer; Radioactive iodine therapy; Serum albumin; Lipid peroxidation; Ferroptosis
Differentiated thyroid cancer (DTC) is a common malignancy that requires effective prognostic markers and therapeutic targets. This study suggests that the redox state of human serum albumin (HSA) cysteine-34 has potential as a prognostic indicator and therapeutic avenue. In vitro experiments showed that the reduced form of HSA induced cytotoxic effects through ferroptosis. These findings highlight the opportunity for personalized treatment strategies in DTC management.
Differentiated thyroid cancer (DTC) is the most prevalent endocrine malignancy worldwide and requires effective prognostic markers and therapeutic targets to optimize patient outcomes. This study investigated the potential of human serum albumin (HSA) cysteine-34 (Cys34) redox state as a prognostic indicator and therapeutic avenue for DTC. A retrospective cohort study of 99 patients with DTC undergoing radioactive iodine therapy found that higher concentrations of HSA with the reduced form of Cys34 (i.e., human mercaptalbumin [HMA]) were associated with improved progression-free survival in metastatic DTC. In vitro experiments using a DTC cell line revealed that HMA induced cytotoxic effects by triggering ferroptosis, characterized by lipid peroxidation, intracellular ROS accumulation, and decreased cell viability. Ferroptosis inhibitors rescued cell viability, confirming their role in cytotoxicity. These results implicate the HSA-Cys34 redox state is a promising avenue for precision medicine in DTC, shedding light on the prognostic relevance and therapeutic potential of HMA-induced ferroptosis. They emphasize the opportunity for personalized treatment strategies to advance the management of patients with DTC.
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