ArticleTechnology in cancer research & treatment
Metabolic Profiling of Human Gastric Cancer Cells Treated With Salazosulfapyridine.
Article in Technology in cancer research & treatment. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- Glycolysis‑driven immunosuppression in gastric cancer: Metabolic crosstalk between tumor cells and the immune microenvironment (Review).International journal of oncology · 2026Review
- Pyrolyzed deketene curcumin controls regulatory T cell generation and gastric cancer metabolism cooperate with 2-deoxy-d-glucose.Frontiers in immunology · 2023Article
- Metabolic Reprogramming in Gastric Cancer: Trojan Horse Effect.Frontiers in oncology · 2021Review
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe adhesion molecule cluster of differentiation 44v9 interacts with and stabilizes the cystine/glutamate exchanger protein, which functions as a transporter of cystine. Stabilized cystine/glutamate exchanger increases extracellular cystine uptake and enhances glutathione production. Augmented levels of reduced glutathione mitigate reactive oxygen species and protect cancer cells from apoptosis. Salazosulfapyridine blocks cystine/glutamate exchanger activity and mitigates the supply of cystine to increase intracellular ROS production, thereby increasing cell susceptibility to apoptosis. This enhances the effect of anticancer drugs such as cisplatin. Currently, salazosulfapyridine is being developed as a promising anticancer agent. In the present study, we elucidated the molecular mechanism associated with salazosulfapyridine by investigating the salazosulfapyridine-induced changes in glutathione metabolism in cultured gastric cancer cell lines.
methodsThe effect of salazosulfapyridine treatment on glutathione metabolism was investigated in 4 gastric cancer (AGS, MKN1, MKN45, and MKN74) and 2 colorectal cancer (HCT15 and HCT116) cell lines using metabolomic analyses. In addition, the effect of inhibition of the reduced form of nicotinamide adenine dinucleotide phosphate by 2-deoxyglucose on glutathione metabolism was evaluated.
resultsUnder hypoxia, enhanced glycolysis resulted in lactate accumulation with an associated reduction in nicotinamide adenine dinucleotide phosphate. Salazosulfapyridine treatment decreased the cysteine content and inhibited the formation of glutathione. Combined treatment with salazosulfapyridine and 2-deoxyglucose significantly inhibited cell proliferation. 2-Deoxyglucose, an inhibitor of glycolysis, depleted nicotinamide adenine dinucleotide phosphate required for the formation of glutathione.
conclusionsOur results indicate that in cancer cells having a predominant glycolytic pathway, metabolomic analyses under hypoxic conditions enable the profiling of global metabolism. In addition, inhibiting the supply of nicotinamide adenine dinucleotide phosphate by blocking glycolysis is a potential treatment strategy for cancer, in addition to cystine blockade by salazosulfapyridine.
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