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| Adequate intracellular vitamin C can contribute to the hydroxylation and subsequent degradation of HIF-1α. Elevated HIF-1α is often associated with aggressive tumor behavior and poor prognosis. Ascorbate Transporters • SVCT2 (Sodium-Dependent Vitamin C Transporter 2) – Role: Mediates the uptake of ascorbate into cells. • GLUT Transporters (e.g., GLUT1) – Role: While primarily known for transporting glucose, certain GLUT family members (especially GLUT1) also facilitate the uptake of the oxidized form of vitamin C (dehydroascorbate). Ascorbic acid is a water-soluble redox-active molecule with three core roles relevant to cancer: -Antioxidant / redox buffer (scavenges ROS) -Cofactor for dioxygenases -TET DNA demethylases -JmjC histone demethylases -Pro-oxidant at high pharmacologic concentrations (via H₂O₂ generation) Its biological impact depends on dose, route, and tumor redox state. Dose & Route Matter -Physiologic AA (oral): antioxidant, homeostatic -Pharmacologic AA (IV, millimolar plasma levels): -Can act as a pro-oxidant in tumors -Generates extracellular H₂O₂ selectively toxic to some cancers This is therapeutic context, not biomarker use—but it explains why AA status matters. |
| 2919- | LT, | Luteolin as a potential therapeutic candidate for lung cancer: Emerging preclinical evidence |
| - | Review, | Var, | NA |
Query results interpretion may depend on "conditions" listed in the research papers. Such Conditions may include : -low or high Dose -format for product, such as nano of lipid formations -different cell line effects -synergies with other products -if effect was for normal or cancerous cells
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