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| Hormone in the body made by pineal gland. • Melatonin is a potent antioxidant. It neutralizes reactive oxygen species (ROS) and reactive nitrogen species (RNS), which are involved in DNA damage and cancer progression. • Melatonin has been shown to modulate apoptotic pathways by influencing mitochondrial permeability, cytochrome c release, and caspase activation. • In several cancer cell models, melatonin appears to promote apoptosis in malignant cells while sparing normal cells. The most well-known indolamines are serotonin and melatonin, both of which play significant roles in regulating mood, sleep, and overall mental well-being. Melatonin doses (20 mg to even 40 mg per day), often given as an adjuvant treatment for cancer. -The plasma half-life of melatonin is generally in the range of approximately 20 to 60 minutes -It has been suggested that administering melatonin at the appropriate phase of the circadian cycle may enhance its anti-tumor activity and reduce the side effects of chemotherapy and radiation therapy. Bio-availability: Oral melatonin has a low and variable bio-availability (often estimated between 3% and 33%), which means that only a fraction of the ingested dose reaches the bloodstream unchanged. For proOxidant effect might need >10uM, which might be 100mg dose (assuming 10% bio-availability) Might also be required X10 levels? -It remains unknown whether the pro-oxidant action exists in vivo. the vast majority of evidence indicates that melatonin is a potent antioxidant in vivo even at pharmacological concentrations. Interactions: -Melatonin could potentially add to the blood pressure–lowering properties of antihypertensive drugs. -Patients using insulin should be monitored for changes in blood glucose levels. -Melatonin might interact with drugs like warfarin, aspirin, or clopidogrel.(antiplatelet) Melatonin Cancer Relevant Pathways
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| A radiosensitizer is an agent that makes cancer cells more sensitive to the damaging effects of radiation therapy. By using a radiosensitizer, clinicians aim to enhance the effectiveness of radiation treatment by either increasing the damage incurred by tumor cells or by interfering with the cancer cells’ repair mechanisms. This can potentially allow for lower doses of radiation, reduced side effects, or improved treatment outcomes. Pathways that help Radiosensitivity: downregulating HIF-1α, increase SIRT1, Txr List of Natural Products with radiosensitizing properties: -Curcumin:modulate NF-κB, STAT3 and has been shown in preclinical studies to enhance the effects of radiation by inhibiting cell survival pathways. -Resveratrol: -EGCG: -Quercetin: -Genistein: -Parthenolide: How radiosensitizers inhibit the thioredoxin (Trx) system in cellular contexts. Notable radiosensitizers, including: -gold nanoparticles (GNPs), -gold triethylphosphine cyanide ([Au(SCN) (PEt3)]), -auranofin, ceria nanoparticles (CONPs), -curcumin and its derivatives, -piperlongamide, -indolequinone derivatives, -micheliolide, -motexafin gadolinium, and -ethane selenide selenidazole derivatives (SeDs) |
| 1782- | MEL, | Melatonin in Cancer Treatment: Current Knowledge and Future Opportunities |
| - | 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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