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OBHS Drives Abnormal Glycometabolis Reprogramming via GLUT1 in Breast Cancer
Kexin Wang1, Qiuzi Li1, Yufeng Fan1
1Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Bayi Road, Wuhan 430072, China.
Oxabicycloheptene sulfonate (OBHS) targets breast cancer's abnormal sugar metabolism by inhibiting glucose transporter 1 (GLUT1). This reduces tumor growth and ATP production, offering a potential new therapy for breast cancer patients.
Area of Science:
- Oncology
- Metabolic Biology
- Biochemistry
Background:
- Abnormal glycometabolism, characterized by the Warburg effect, is crucial in tumor biology.
- Hyperglycemia and hyperinsulinism correlate with poor breast cancer prognosis.
- Few anticancer drugs specifically target breast cancer glycometabolism.
Purpose of the Study:
- To investigate the potential of Oxabicycloheptene sulfonate (OBHS) as a breast cancer therapy targeting glycometabolism.
- To elucidate the mechanisms by which OBHS affects tumor cell metabolism.
Main Methods:
- Enzyme-linked immunosorbent assay (ELISA)
- Western blotting
- Targeted metabolomic analysis
- In vitro and in vivo breast cancer models
Main Results:
- OBHS significantly inhibited glucose transporter 1 (GLUT1) expression via the PI3K/Akt pathway.
- OBHS suppressed glucose phosphorylation and oxidative phosphorylation of glycolytic enzymes.
- Reduced ATP synthesis was observed in OBHS-treated breast cancer cells.
- OBHS suppressed breast cancer progression and proliferation.
Conclusions:
- OBHS demonstrates potential as a novel therapeutic agent for breast cancer by remodeling tumor glycometabolism.
- Further clinical investigation of OBHS for breast cancer treatment is warranted.
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