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Curcumin is the main active ingredient in Tumeric. Member of the ginger family.Curcumin is a polyphenol extracted from turmeric with anti-inflammatory and antioxidant properties. - Has iron-chelating, iron-chelating properties. Ferritin. But still known to increase Iron in Cancer cells. - GSH depletion in cancer cells, exhaustion of the antioxidant defense system. But still raises GSH↑ in normal cells. - Higher concentrations (5-10 μM) of curcumin induce autophagy and ROS production - Inhibition of TrxR, shifting the enzyme from an antioxidant to a prooxidant - Strong inhibitor of Glo-I, , causes depletion of cellular ATP and GSH - Curcumin has been found to act as an activator of Nrf2, (maybe bad in cancer cells?), hence could be combined with Nrf2 knockdown Clinical studies testing curcumin in cancer patients have used a range of dosages, often between 500 mg and 8 g per day; however, many studies note that doses on the lower end may not achieve sufficient plasma concentrations for a therapeutic anticancer effect in humans. • Formulations designed to improve curcumin absorption (like curcumin combined with piperine, nanoparticle formulations, or liposomal curcumin) are often employed in clinical trials to enhance its bioavailability. -Note half-life 6 hrs. BioAv is poor, use piperine or other enhancers Pathways: - induce ROS production at high concentration. Lowers ROS at lower concentrations - ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓ - Lowers AntiOxidant defense in Cancer Cells: GSH↓ Catalase↓ HO1↓ GPx↓ but conversely is known as a NRF2↑ activator in cancer - Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑, - lowers Inflammation : NF-kB↓, COX2↓, p38↓, Pro-Inflammatory Cytokines : TNF-α↓, IL-6↓, IL-8↓ - inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, uPA↓, VEGF↓, NF-κB↓, CXCR4↓, SDF1↓, TGF-β↓, α-SMA↓, ERK↓ - reactivate genes thereby inhibiting cancer cell growth : HDAC↓, DNMT1↓, DNMT3A↓, EZH2↓, P53↑, HSP↓, Sp proteins↓, - cause Cell cycle arrest : TumCCA↑, cyclin D1↓, CDK2↓, CDK4↓, CDK6↓, - inhibits Migration/Invasion : TumCMig↓, TumCI↓, ERK↓, EMT↓, TOP1↓, TET1↓, - inhibits glycolysis /Warburg Effect and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDHA↓, HK2↓, PFKs↓, PDKs↓, HK2↓, ECAR↓, OXPHOS↓, GRP78↑, GlucoseCon↓ - inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, FGF↓, PDGF↓, EGFR↓, Integrins↓, - inhibits Cancer Stem Cells : CSC↓, CK2↓, Hh↓, GLi1↓, CD133↓, CD24↓, β-catenin↓, n-myc↓, sox2↓, OCT4↓, - Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK↓, ERK↓, JNK, TrxR**, - Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective, - Selectivity: Cancer Cells vs Normal Cells |
Source: HalifaxProj (inactivate) |
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β-catenin and ZEB1 are two important proteins that play significant roles in cancer biology, particularly in the processes of cell adhesion, epithelial-mesenchymal transition (EMT), and tumor progression. β-catenin is a key component of the Wnt signaling pathway, which is crucial for cell proliferation, differentiation, and survival. It also plays a role in cell-cell adhesion by linking cadherins to the actin cytoskeleton. Role in Cancer: ZEB1 is often upregulated in cancer and is associated with increased invasiveness and metastasis. It can repress epithelial markers (like E-cadherin) and promote mesenchymal markers (like N-cadherin and vimentin), facilitating the transition to a more aggressive cancer phenotype. (MMP)-2 and MMP-9, which are the down-stream targets of β-catenin and play a crucial role in cancer cell metastasis. |
449- | CUR,  |   | Curcumin Suppresses the Colon Cancer Proliferation by Inhibiting Wnt/β-Catenin Pathways via miR-130a |
- | vitro+vivo, | CRC, | SW480 |
442- | CUR,  | 5-FU,  |   | Curcumin may reverse 5-fluorouracil resistance on colonic cancer cells by regulating TET1-NKD-Wnt signal pathway to inhibit the EMT progress |
- | in-vitro, | CRC, | HCT116 |
455- | CUR,  |   | Curcumin Affects Gastric Cancer Cell Migration, Invasion and Cytoskeletal Remodeling Through Gli1-β-Catenin |
- | in-vitro, | GC, | SGC-7901 |
443- | CUR,  |   | Reduced Caudal Type Homeobox 2 (CDX2) Promoter Methylation Is Associated with Curcumin’s Suppressive Effects on Epithelial-Mesenchymal Transition in Colorectal Cancer Cells |
- | in-vitro, | CRC, | SW480 |
152- | CUR,  |   | Anti-cancer activity of curcumin loaded nanoparticles in prostate cancer |
- | in-vivo, | Pca, | NA |
12- | CUR,  |   | Curcumin inhibits the Sonic Hedgehog signaling pathway and triggers apoptosis in medulloblastoma cells |
- | in-vitro, | MB, | DAOY |
15- | CUR,  | UA,  |   | Effects of curcumin and ursolic acid in prostate cancer: A systematic review |
126- | CUR,  |   | Modulation of miR-34a in curcumin-induced antiproliferation of prostate cancer cells |
- | in-vitro, | Pca, | 22Rv1 | - | in-vitro, | Pca, | PC3 | - | in-vitro, | Pca, | DU145 |
420- | CUR,  |   | Anti-metastasis activity of curcumin against breast cancer via the inhibition of stem cell-like properties and EMT |
- | in-vitro, | BC, | MCF-7 | - | in-vitro, | BC, | MDA-MB-231 |
424- | CUR,  |   | Curcumin inhibits autocrine growth hormone-mediated invasion and metastasis by targeting NF-κB signaling and polyamine metabolism in breast cancer cells |
- | in-vitro, | BC, | MCF-7 | - | in-vitro, | BC, | MDA-MB-231 |
165- | CUR,  |   | Curcumin interrupts the interaction between the androgen receptor and Wnt/β-catenin signaling pathway in LNCaP prostate cancer cells |
- | in-vitro, | Pca, | LNCaP |
2974- | CUR,  |   | Curcumin Suppresses Metastasis via Sp-1, FAK Inhibition, and E-Cadherin Upregulation in Colorectal Cancer |
- | in-vitro, | CRC, | HCT116 | - | in-vitro, | CRC, | HT29 | - | in-vitro, | CRC, | HCT15 | - | in-vitro, | CRC, | COLO205 | - | in-vitro, | CRC, | SW-620 | - | in-vivo, | NA, | NA |
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