condition found
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Artemisinin a compound in a Chinese herb that may inhibit tumor growth and metastasis
Artemisinin (antimalarial drugs) Artesunic acid (Artesunate) , Dihydroartemisinin (DHA), artesunate, arteether, and artemether, SM735, SM905, SM933, SM934, and SM1044 The induction of OS in tumor cells via the production of ROS is the key mechanism of ART against cancer. combination of ART and Nrf2 inhibitors to promote ferroptosis may have more efficient anticancer effects without damaging normal cells. Summary: - Pro-oxidant, mechanism related with iron (hence avoid supplements containing iron? Or perhaps take with iron?) -ROS seems to affect both cancer and normal cells - Delivery of artemisinin in conjugate form with transferrin or holotransferrin (serum iron transport proteins) have been shown to greatly improve its effectiveness. - Potential direct inhibitor of STAT3 - Artemisinin synergized with the glycolysis inhibitor 2DG (2-deoxy- D -glucose) ART Combined Therapy: Allicin, Resveratrol, Curcumin, VitC (but not orally at same time), Butyrate , 2-DG, Aminolevulinic AcidG -possible problems with liver toxicity?? -Artesunate (ART), an artemisinin compound, is known for lysosomal degradation of ferritin, inducing oxidative stress and promoting cancer cell death. Pathways: - Increasing reactive oxygen species (ROS) production. This oxidative stress can cause the loss of mitochondrial membrane potential, leading to cytochrome c release and subsequent activation of caspase cascades. - Downregulate HIF-1α - By impairing glycolysis, artemisinin might force cells to rely on oxidative phosphorylation (OXPHOS) for energy production. - Inhibit GLUT1 (glucose uptake), HK2, PKM2 (slow the glycolytic flux, thereby reducing the energy supply) -Artemisinin has a half-life of about 3-4 hours, Artesunate 40 minutes and Artemether 12 hours. Peak plasma levels occur in 1-2 hour. BioAv 21%, poor-good solubility. Artesunate (ART), a water soluble derivative of artemisinin. concentrations higher in blood, colon, liver, kidney (highly perfused organs) Pathways: - induce ROS production, iron dependent (affect both cancer and normal cells) - ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓, - Both Lowers (and raises) AntiOxidant defense in Cancer Cells: NRF2↓(contary), SOD↓, GSH↓ Catalase↓ GPx↓ - Small evidence of Raising AntiOxidant defense in Normal Cells: ROS↓(contary), NRF2↑, SOD↑(contary), GSH↑, Catalase↑, - lowers Inflammation : NF-kB↓, COX2↓, p38↓, Pro-Inflammatory Cytokines : NLRP3↓, TNF-α↓, IL-6↓, IL-8↓ - inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, TIMP2, IGF-1↓, uPA↓, VEGF↓, ROCK1↓, NF-κB↓, TGF-β↓, ERK↓ - cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓, - inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, ERK↓, EMT↓, TOP1↓, - inhibits glycolysis /Warburg Effect and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDH↓, LDHA↓, HK2↓, ECAR↓, GRP78↑, GlucoseCon↓ - inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, EGFR↓, Integrins↓, - some small indication of inhibiting Cancer Stem Cells : CSC↓, Hh↓, β-catenin↓, sox2↓, OCT4↓, - Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK, ERK↓, JNK, - Synergies: chemo-sensitization, RadioSensitizer, Others(review target notes), - Selectivity: Cancer Cells vs Normal Cells |
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Biological process in which epithelial cells lose their cell polarity and cell-cell adhesion properties and gain mesenchymal traits, such as increased motility and invasiveness. This process is pivotal during embryogenesis and wound healing. Hh signaling pathway is able to regulate the EMT. Snail, E-cadherin and N-cadherin, key components of EMT; EMT-related factors, E-cadherin, N-cadherin, vimentin; The hallmark of EMT is the upregulation of N-cadherin followed by the downregulation of E-cadherin. EMT is regulated by various signaling pathways, including TGF-β, Wnt, Notch, and Hedgehog pathways. Transcription factors such as Snail, Slug, Twist, and ZEB play critical roles in repressing epithelial markers (like E-cadherin) and promoting mesenchymal markers (like N-cadherin and vimentin). EMT is associated with increased tumor aggressiveness, enhanced migratory and invasive capabilities, and resistance to apoptosis. |
3383- | ART/DHA,  |   | Dihydroartemisinin: A Potential Natural Anticancer Drug |
- | Review, | Var, | NA |
3382- | ART/DHA,  |   | Repurposing Artemisinin and its Derivatives as Anticancer Drugs: A Chance or Challenge? |
- | Review, | Var, | NA |
1099- | ART/DHA,  |   | Dihydroartemisinin inhibits IL-6-induced epithelial–mesenchymal transition in laryngeal squamous cell carcinoma via the miR-130b-3p/STAT3/β-catenin signaling pathway |
- | in-vitro, | NA, | NA |
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