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Glucose is a fundamental energy source and its metabolism is essential for all cells, the reprogramming of glucose metabolism in cancer cells underlies many aspects of tumor growth and survival. -Glucose generally aids cancer cells, but can be used as trojan horse. -HIF-1 increases the expression of glycolytic enzymes -Hexokinase II, which catalyzes the first step of glycolysis (often upregulated). |
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Silver NanoParticles Summary: 1. Smaller sizes desirable due to greater surface area, and cell penetration (enhanced permeability and retention (EPR) effect) 2. Two main types: AgNP and silver ions (big debate on uses: Ag+ turning to AgCl in stomach but AgCl also effective. Take sodium-bicarbonate? 3. Dose example 80kg person: 1.12-2mg/day, which can be calculated based on ppm and volume taken (see below) target < 10ppm and 120mL per day (30ppm and 1L per day caused argyria 30mg/day ) (Case Report: 9‐15 ppm@120mL, i.e. 1.1mg/L to 1.8mg/L per day) Likely 10ppm --> 10mg/L, hence if take 100mL, then 1mg/day? (for Cancer) The current Rfd for oral silver exposure is 5 ug/kg/d with a critical dose estimated at 14 ug/kg/d for the average person. Seems like the Cancer target range is 14ug/kg/day to 25ug/kg/day. 80Kg example: 1.12mg to 2mg “1.4µg/kg body weight. If I would have 70kg, I would want to use 100µg/day. However, for fighting active disease, I would tend to explore higher daily dose, as I think this may be too low.” 4. AntiOxidants/NAC can counter act the effect of Silver NanoParticles from producing reactive oxygen species (ROS) and mitochondrial damage . NAC is a supplement form of cysteine, an amino acid that helps make glutathione, a powerful antioxidant. 5. In vitro most reports indicate AgNPs increase ROS in both cancer and normal cell (but in vivo improved antioxidant system of normal may create selectivity) 6. Pathways/mechanisms of action/: -” intracellular ROS was increased...reduction in levels of glutathione (GSH)” -”AgNPs affect the function of the vascular endothelial growth factor (VEGF)” (likely reducing levels) -”expression of BAX and BCL2 genes was increased” -”upregulation of proapoptotic genes (p53, p21, Bax, and caspases) and downregulation of antiapoptotic genes (Bcl-2)” -” upregulation of AMPK and downregulation of mTOR, MMP-9, BCL-2, and α-SMA” -”p53 is a key player...proapoptotic genes p53 and Bax were significantly increased... noticeable reduction in Bcl-2 transcript levels” -” p53 participates directly in the intrinsic apoptosis pathway by regulating the mitochondrial outer membrane permeabilization” - “Proapoptotic markers (BAX/BCL-XL, cleaved poly(ADP-ribose) polymerase, p53, p21, and caspases 3, 8 and 9) increased.” -”The antiapoptotic markers, AKT and NF-kB, decreased in AgNP-treated cells.” Silver NanoParticles and Magnetic Fields Summary: 1. “exposure to PMF increased the ability of AgNPs uptake” 2. 6x improvement from AgNPs alone could glucose capping of SilverNPs work as trojan horse? |
2834- | SNP,  | Gluc,  |   | Electrochemical oxidation of glucose on silver nanoparticle-modified composite electrodes |
- | Study, | NA, | NA |
2835- | SNP,  | Gluc,  |   | Carbohydrate functionalization of silver nanoparticles modulates cytotoxicity and cellular uptake |
- | in-vitro, | Liver, | HepG2 |
2836- | SNP,  | Gluc,  |   | Glucose capped silver nanoparticles induce cell cycle arrest in HeLa cells |
- | in-vitro, | Cerv, | HeLa |
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