期刊
JOURNAL OF BIOMEDICAL NANOTECHNOLOGY
卷 19, 期 8, 页码 1370-1381出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jbn.2023.3627
关键词
Cisplatin Resistance; Mitochondria; Cytochrome Oxidase; Energy Metabolism; Aerobic Respiration
This study reveals a new mechanism of cisplatin resistance related to energy metabolism, showing enhanced synthesis of key enzymes, particularly cytochrome oxidase (CCO), in drug-resistant cancer cells. Inhibiting CCO activity can reverse drug resistance in cancer cells.
Cisplatin, a widely used chemotherapeutic drug, faces significant challenges due to drug resistance, which hinders its clinical effectiveness. However, the molecular mechanism underlying cisplatin resistance remains unclear. Previous stud -P: 2038 109 10 On Fri 15 Sep 2023 22:29:08 ies have shown that tumor cells rely on glycolysis for nergy and nutrients due to mitochondrial dysfunction. Yet, limited Copyright: American Scientific Publishers research has explored changes in energy metabolismDeliveredafter bythengentadevelopment of drug resistance in tumor cells. In this study, we investigated the relationship between changes in key enzymes involved in aerobic respiration in mitochondria and cisplatin resistance. Our findings revealed enhanced synthesis of citrate synthase (CS), succinate dehydrogenase (SD), and cytochrome oxidase (CCO) in drug-resistant cancer cells, with CCO showing the greatest increase. Notably, inhibiting CCO activity reversed drug resistance in cancer cells. These findings shed light on a new mechanism of cisplatin resistance related to energy metabolism and offer a promising approach to overcoming resistance and improving clinical anticancer effects.
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