| Features: |
| Polyphenol found in fruits, vegetables, nuts and some mushrooms. Strawberries, raspberries, blackberries, cherries and walnuts, green tea and red wine. Pomegranate arils are a well known source. - Ellagitannins are high molecular weight polyphenols with a complex structure that includes one or more HHDP groups attached to a sugar. - Ellagic Acid is the simpler, bioactive compound released when the HHDP groups in ellagitannins cyclize during hydrolysis. - one best source is raspberries. 100g gives ~50mg(reasonable dose) - Ellagic acid has very poor oral bioavailability - Peak plasma EA after high oral intake is typically: <50–100 nM, often much lower, this is far below concentrations used in many in-vitro anticancer studies (5–50 µM). - efficacy depends on gut metabolism (ie ability to produce Urolithin A) - also look at Urolithin supplements Pathways: Apoptosis Regulation: (Bax, Bad) (Bcl-2, Bcl-xL) Cell Cycle Arrest: G0/G1 or G2/M phases) NF-κB (inhibit): MAPK Pathways: (including ERK1/2, JNK, and p38 MAPK) PI3K/Akt/mTOR: might downregulate this pathway p53 Pathway: may influence the expression or activation of p53 Oxidative Stress and Nrf2 Pathway:exhibits antioxidant properties, Summary: - Anti-oxidant and metal chelating - with some evidence it can induce ROS in cancer tumor conditions (mitochondrial stress, redox-unstable cells) - Works well with Curcumin - Reduced the viability of cancer cells at a concentration of 10 µmol/L, while in healthy cells, this effect was observed only at a concentration of 200 µmol/L - Pomegranate juice (PJ) (180 ml) containing EA (25 mg) and ETs (318 mg, as punicalagins, the major fruit ellagitannin). Plasma concentration (31.9 ng/ml) after 1 h post-ingestion but was rapidly eliminated by 4 h. (Hence might be difficult to consume enough EA!!!! to match vitro requirements) - Likely need > 10mg/kg/day -> *180kg = 1800mg (might be possible) - Increased the expression of p53 and p21 proteins as well as markers of apoptosis (Bax and caspase-3), and decreases Bcl-2, NF-кB, and iNOS - EA has restricted bioavailability, primarily due to its hydrophobic nature and very low water solubility. - Industrial processing of pomegranates for juice production increases the concentration of EA in juices, but freezing reduces concentration Punica granatum L. Pomegranate 700mg/kg (arils), 38700mg/kg(mesocarp) Rubus idaeus L. Raspberry 2637–3309mg/kg jaglandaceae Walnut 410mg/kg(freeEA) 8230mg/kg(totalEA) |
| 289- | ALA, | HCA, | EA, | Cancer Metabolism: Fasting Reset, the Keto-Paradox and Drugs for Undoing |
| - | Analysis, | NA, | NA |
| 2399- | CA, | EA, | Polyphenol-rich diet mediates interplay between macrophage-neutrophil and gut microbiota to alleviate intestinal inflammation |
| - | Review, | Col, | NA |
| 1616- | CUR, | EA, | Kinetics of Inhibition of Monoamine Oxidase Using Curcumin and Ellagic Acid |
| - | in-vitro, | Nor, | NA |
| 1609- | CUR, | EA, | Curcumin and Ellagic acid synergistically induce ROS generation, DNA damage, p53 accumulation and apoptosis in HeLa cervical carcinoma cells |
| - | in-vitro, | Cerv, | NA |
| 1618- | EA, | A comprehensive review on Ellagic acid in breast cancer treatment: From cellular effects to molecular mechanisms of action |
| - | Review, | BC, | NA |
| 4832- | EA, | Experimental Evidence of the Antitumor, Antimetastatic and Antiangiogenic Activity of Ellagic Acid |
| 4341- | EA, | Novel Bioactivity of Ellagic Acid in Inhibiting Human Platelet Activation |
| - | in-vitro, | NA, | NA |
| 4255- | EA, | Effects of nutritional interventions on BDNF concentrations in humans: a systematic review |
| - | Review, | NA, | NA |
| 4254- | EA, | Chronic administration of ellagic acid improved the cognition in middle-aged overweight men |
| - | Human, | Obesity, | NA |
| - | Human, | MS, | NA | - | NA, | IBD, | NA |
| 4252- | EA, | Effect of ellagic acid on BDNF/PI3K/AKT-mediated signaling pathways in mouse models of depression |
| - | in-vivo, | NA, | NA |
| 3756- | EA, | Acetylcholinesterase and monoamine oxidase-B inhibitory activities by ellagic acid derivatives isolated from Castanopsis cuspidata var. sieboldii |
| - | Analysis, | AD, | NA |
| 2402- | EA, | Ellagic Acid and Its Metabolites as Potent and Selective Allosteric Inhibitors of Liver Pyruvate Kinase |
| - | in-vitro, | NA, | NA |
| 1037- | EA, | Unripe Black Raspberry (Rubus coreanus Miquel) Extract and Its Constitute, Ellagic Acid Induces T Cell Activation and Antitumor Immunity by Blocking PD-1/PD-L1 Interaction |
| - | in-vivo, | CRC, | NA |
| 1621- | EA, | The multifaceted mechanisms of ellagic acid in the treatment of tumors: State-of-the-art |
| - | Review, | Var, | NA |
| 1620- | EA, | Rad, | Radiosensitizing effect of ellagic acid on growth of Hepatocellular carcinoma cells: an in vitro study |
| - | in-vitro, | Liver, | HepG2 |
| 1619- | EA, | CUR, | Antimutagenic Effect of the Ellagic Acid and Curcumin Combinations |
| - | in-vitro, | Nor, | NA |
| 1605- | EA, | Ellagic Acid and Cancer Hallmarks: Insights from Experimental Evidence |
| - | Review, | Var, | NA |
| 1617- | EA, | CUR, | The inhibition of human glutathione S-transferases activity by plant polyphenolic compounds ellagic acid and curcumin |
| - | in-vitro, | Nor, | NA |
| 27- | EA, | Ellagic acid inhibits human pancreatic cancer growth in Balb c nude mice |
| - | in-vivo, | PC, | NA |
| 1615- | EA, | Absorption, metabolism, and antioxidant effects of pomegranate (Punica granatum l.) polyphenols after ingestion of a standardized extract in healthy human volunteers |
| - | Human, | Nor, | NA |
| 1614- | EA, | Bioavailability of ellagic acid in human plasma after consumption of ellagitannins from pomegranate (Punica granatum L.) juice |
| - | Human, | Nor, | NA |
| 1613- | EA, | Ellagitannins in Cancer Chemoprevention and Therapy |
| - | Review, | Var, | NA |
| 1612- | EA, | Negative Effect of Ellagic Acid on Cytosolic pH Regulation and Glycolytic Flux in Human Endometrial Cancer Cell |
| - | in-vitro, | EC, | NA |
| 1611- | EA, | Targeting Myeloperoxidase Activity and Neutrophil ROS Production to Modulate Redox Process: Effect of Ellagic Acid and Analogues |
| - | in-vitro, | Mal, | NA |
| 1610- | EA, | Anticancer Effect of Pomegranate Peel Polyphenols against Cervical Cancer |
| - | Review, | Cerv, | NA |
| 1110- | EA, | GEM, | Ellagic Acid Resensitizes Gemcitabine-Resistant Bladder Cancer Cells by Inhibiting Epithelial-Mesenchymal Transition and Gemcitabine Transporters |
| - | vitro+vivo, | Bladder, | NA |
| 1608- | EA, | Ellagic Acid from Hull Blackberries: Extraction, Purification, and Potential Anticancer Activity |
| - | in-vitro, | Cerv, | HeLa | - | in-vitro, | Liver, | HepG2 | - | in-vitro, | BC, | MCF-7 | - | in-vitro, | Lung, | A549 | - | in-vitro, | Nor, | HUVECs |
| 1607- | EA, | Exploring the Potential of Ellagic Acid in Gastrointestinal Cancer Prevention: Recent Advances and Future Directions |
| - | Review, | GC, | NA |
| 1606- | EA, | Ellagic acid inhibits proliferation and induced apoptosis via the Akt signaling pathway in HCT-15 colon adenocarcinoma cells |
| - | in-vitro, | Colon, | HCT15 |
| 2306- | SIL, | CUR, | RES, | EA, | Identification of Natural Compounds as Inhibitors of Pyruvate Kinase M2 for Cancer Treatment |
| - | in-vitro, | BC, | MDA-MB-231 |
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