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| Brazilian Green Propolis often considered best • Derived from Baccharis dracunulifolia, this type is rich in artepillin C. • It has been widely researched for its anticancer, anti-inflammatory, and antioxidant properties. -Propolis common researched flavonoids :chrysin, pinocembrin, galangin, pinobanksin(Pinocembrin) -most representative phenolic acids were caffeic acid, p-coumaric acid, and ferulic acid, as well as their derivatives, DMCA and caffeic acid prenyl, benzyl, phenylethyl (CAPE), and cinnamyl esters -One of the most studied active compounds of a poplar-type propolis is caffeic acid phenethyl ester (CAPE) -caffeic acid phenethyl ester (CAPE), galangin, chrysin, nemorosone, propolin G, artepillin C, cardanol, pinocembrin, pinobanksin, chicoric acid, and phenolic acids (caffeic acid, ferulic acid, and coumaric acid), as well as luteolin, apigenin, myricetin, naringenin, kaempferol, quercetin, polysaccharides, tannins, terpenes, sterols, and aldehydes -content highly variable based on location and extraction Two main factors of interest: 1. affects interstitual fluild pH 2. high concentration raises ROS (Reactive Oxygen Species), while low concentration may reduce ROS - Artepillin-C (major phenolic compounds found in Brazilian green propolis (BGP)) - caffeic acid major source Propolis is chemically diverse (300+ compounds reported) and composition depends on botanical/geographic source. Antibacterial activity is documented in classic literature (often stronger against Gram+). CAPE from propolis has reported preferential tumor cytotoxicity in early landmark work (often cited in antimicrobial paper references) Do not combine with 2DG Pathways: -Propolis compounds (e.g., artepillin C, caffeic acid phenethyl ester [CAPE]) can trigger apoptosis (programmed cell death) in cancer cells. -Propolis has been shown to inhibit NF‑κB activation. -Propolis extracts can cause cell cycle arrest at specific checkpoints (e.g., G0/G1 or G2/M phases). -Enhance the body’s antitumor immune responses, for example by activating natural killer (NK) cells and modulating cytokine profiles. -Note half-life no standard, high variablity of content. BioAv poor water solubility, and low oral bioavailability. Pathways: - high concentration may induce ROS production, while low concentrations mya low it. This may apply to both normal and cancer cells. Normal Cells Example. (Also not sure if high level are acheivable in vivo due to bioavailability) - ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓, Prx, SOD↓, GSH↓ Catalase↓ HO1↓ GPx↓ --> - Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑, - lowers Inflammation : NF-kB↓, COX2↓, Pro-Inflammatory Cytokines : NLRP3↓, TNF-α↓, IL-6↓, IL-8↓ - inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, IGF-1↓, uPA↓, VEGF↓, ROCK1↓, FAK↓, RhoA↓, NF-κB↓, TGF-β↓, α-SMA↓, ERK↓ - reactivate genes thereby inhibiting cancer cell growth : HDAC↓, P53↑, - cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓, - inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, FAK↓, ERK↓, EMT↓, TOP1↓, TET1, - inhibits glycolysis /Warburg Effect and ATP↓">ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDH↓, LDHA↓, HK2↓, PFKs↓, PDKs↓, GRP78↑, GlucoseCon↓ - inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, - Others: PI3K↓, AKT↓, STAT↓, β-catenin↓, AMPK, ERK↓, JNK, - Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective, CardioProtective, - Selectivity: Cancer Cells vs Normal Cells
Time-Scale Flag (TSF): P / R / G
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| Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level. Cellular ATP levels are critical for cell survival, and several reports have shown that reductions in cellular ATP levels can lead to apoptosis and other types of cell death in cancer cells, depending on the level of depletion. Adenosine triphosphate (ATP) is one of the main biochemical components of the tumor microenvironment (TME), where it can promote tumor progression or tumor suppression depending on its concentration and on the specific ecto-nucleotidases and receptors expressed by immune and cancer cells. Cancer cells, unlike normal cells, derive as much as 60% of their ATP from glycolysis via the “Warburg effect”, and the remaining 40% is derived from mitochondrial oxidative phosphorylation. |
| 2781- | CHr, | PBG, | Chrysin a promising anticancer agent: recent perspectives |
| - | Review, | Var, | NA |
| 2430- | PBG, | The cytotoxic effects of propolis on breast cancer cells involve PI3K/Akt and ERK1/2 pathways, mitochondrial membrane potential, and reactive oxygen species generation |
| - | in-vitro, | BC, | MDA-MB-231 |
| 1672- | PBG, | The Potential Use of Propolis as an Adjunctive Therapy in Breast Cancers |
| - | Review, | BC, | 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
Filter Conditions: Pro/AntiFlg:% IllCat:% CanType:% Cells:% prod#:137 Target#:21 State#:% Dir#:1
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