Database Query Results : EGCG (Epigallocatechin Gallate), , TumCMig

EGCG, EGCG (Epigallocatechin Gallate): Click to Expand ⟱

Features:

EGCG (Epigallocatechin Gallate) is found in green tea. 100 times more effective than Vitamin C and 25 times more effective than Vitamin E at protecting cells from damage associated with oxidative stress.
EGCG Epigallocatechin Gallate (Green Tea) -Catechin
Summary:
1. Concentration is a factor that could determine whether green tea polyphenols act as antioxidants or pro-oxidants.
2. Poor bioavailability: taking EGCG capsules without food was better.
3. Cancer dosage 4g/day (2g twice per day)? with curcumin may help (another ref says 700–2100 mg/d)
4. EGCG is susceptible to oxidative degradation.
5. “As for the pH level, the acidic environments enhance the stability of EGCG”.
6. “EGCG may enhance nanoparticle uptake by tumor cells”
7. Might be iron chelator (removing iron from cancer cells)
8. Claimed as synergistic effect with chemotherapy ( cisplatin, bleomycin, gemcitabine.
9. May suppress glucose metabolism, interfere with VEGF, downregulate NF-κB and MMP-9, down-regulation of androgen-regulated miRNA-21.
10. Take with red pepper powder, Capsicum ratio 25:1 (based on half life, they did every 4 hr) (chili pepper vanilloid capsaicin).
11. EGCG mediated ROS formation can upregulate CTR1 expression via the ERK1/2/NEAT1 pathway, which can increase the intake of chemotherapeutic drugs such as cisplatin in NSCLC cells and act as a chemosensitizer [58]
12. Matcha green tea has highest EGCG (2-3X) because consuming leaf.
13. EGCG is an ENOX2 inhibitor.
14. Nrf2 activator in both cancer and normal cells. This example of lung cancer show both directions in different cell lines, but both toward optimim level.
Biological activity, EGCG has been reported to exhibit a range of effects, including:
    Antioxidant activity: 10-50 μM
   Anti-inflammatory activity: 20-50 μM
   Anticancer activity: 50-100 μM
   Cardiovascular health: 20-50 μM
   Neuroprotective activity: 10-50 μM

Drinking a cup (or two cups) of green tea (in which one might ingest roughly 50–100 mg of EGCG from brewed tea) generally results in peak plasma EGCG concentrations in the range of approximately 0.1 to 0.6 μM.

With higher, supplement-type doses (e.g., oral doses in the 500 mg–800 mg range that are sometimes studied for clinical benefits), peak plasma concentrations in humans can reach the low micromolar range, often reported around ~1–2 μM and in some cases up to 5 μM.

Reported values can range from about 25–50 mg of EGCG per gram of matcha powder.
In cases where the matcha is exceptionally catechin-rich, the content could reach 200–250 mg or more in 5 g.

-Peak plasma concentration roughly 1 to 2 hours after oral ingestion.
-Elimination half-life of EGCG in plasma is commonly reported to be in the range of about 3 to 5 hours.

Supplemental EGCG
Dose (mg) ≈ Peak Plasma EGCG (µM)
~50 mg ≈ 0.1–0.3 µM
~100 mg ≈ 0.2–0.6 µM
~250 mg ≈ 0.5–1.0 µM
~500 mg ≈ 1–2 µM
~800 mg or higher ≈ 1–5 µM

50mg of EGCG in 1g of matcha tea(1/2 teaspoon)

Studies on green tea extracts have employed doses roughly equivalent to 300–800 mg/day of EGCG. Excessive doses can cause liver toxicity in some cases.

Methods to improve bioavailability
-Lipid-based carriers or nanoemulsions
-Polymer-based nanoparticles or encapsulation
-Co-administration with ascorbic acid (vitamin C)
-Co-administration of adjuvants like piperine (perhaps sunflower lecithin and chitosan) -Using multiple smaller doses rather than one large single dose.
-Taking EGCG on an empty stomach or under fasting conditions, or aligning dosing with optimal pH conditions in the GI tract, may improve its absorption.(acidic environment is generally more favorable for its stability and absorption).
– EGCG is more stable under acidic conditions. In the stomach, where the pH is typically around 1.5 to 3.5, EGCG is less prone to degradation compared to the more neutral or basic environments of the small intestine.
- At neutral (around pH 7) or alkaline pH, EGCG undergoes auto-oxidation, reducing the effective concentration available for absorption.
– Although the stomach’s acidic pH helps maintain EGCG’s stability, most absorption occurs in the small intestine, where the pH is closer to neutral.
– To counterbalance the inherent instability in the intestine, strategies such as co-administration of pH-modifying agents (like vitamin C) are sometimes used. These agents help to maintain a slightly acidic environment in the gut microenvironment, potentially improving EGCG stability during its transit and absorption.
– The use of acidifiers or buffering agents in supplements may help preserve EGCG until it reaches the absorption sites.

-Note half-life 3–5 hours.
- low BioAv 1%? despite its limited absorption, it is rapidly disseminated throughout the body
Pathways:
- induce ROS production
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓, Prx,
- Does NOT Lower AntiOxidant defense in Cancer Cells: NRF2↑, TrxR↓**, SOD, GSH Catalase HO1 GPx
- Raises AntiOxidant defense in Normal Cells: ROS↓, NRF2↑, SOD↑, GSH↑, Catalase↑,
- lowers Inflammation : NF-kB↓, COX2↓, p38↓, Pro-Inflammatory Cytokines : NLRP3↓, IL-1β↓, TNF-α↓, IL-6↓, IL-8↓
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMPs↓, MMP2↓, MMP9↓, IGF-1↓, uPA↓, VEGF↓, FAK↓, RhoA↓, NF-κB↓, TGF-β↓, α-SMA↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : HDAC↓, DNMTs↓, EZH2↓, P53↑, HSP↓, Sp proteins↓,
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓,
- inhibits Migration/Invasion : TumCMig↓, TumCI↓, TNF-α↓, FAK↓, ERK↓, EMT↓, TOP1↓,
- inhibits glycolysis /Warburg Effect and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, GLUT1↓, LDH↓, LDHA↓, HK2↓, PFKs↓, ECAR↓, OXPHOS↓, GRP78↑, Glucose↓, GlucoseCon↓
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, FGF↓, PDGF↓, EGFR↓, Integrins↓,
- inhibits Cancer Stem Cells : CSC↓, Hh↓, GLi↓, GLi1↓, CD133↓, CD24↓, β-catenin↓, n-myc↓, Notch↓, OCT4↓,
- Others: PI3K↓, AKT↓, JAK↓, STAT↓, Wnt↓, β-catenin↓, AMPK, ERK↓, JNK, - SREBP (related to cholesterol).
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, RadioProtective, Others(review target notes), Neuroprotective, Cognitive, Renoprotection, Hepatoprotective(possible damage at high dose), CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells

Rank	Pathway / Axis	Cancer Cells	Normal Cells	Label	Primary Interpretation	Notes
1	Reactive oxygen species (ROS)	↑ ROS (dose-, metal-, context-dependent)	↓ ROS / buffered	Conditional Driver	Biphasic redox modulation	EGCG can act as a pro-oxidant in cancer cells (often metal-catalyzed) while functioning as an antioxidant in normal cells
2	Mitochondrial integrity / intrinsic apoptosis	↓ ΔΨm; ↑ caspase activation	↔ preserved	Driver	Execution of intrinsic apoptosis	Mitochondrial stress and apoptosis follow ROS elevation in cancer cells
3	NF-κB signaling	↓ NF-κB activation	↓ inflammatory NF-κB tone	Driver	Suppression of survival and inflammatory transcription	NF-κB inhibition explains chemosensitization and reduced survival signaling
4	PI3K → AKT → mTOR axis	↓ AKT / ↓ mTOR	↔ adaptive suppression	Secondary	Reduced growth and anabolic signaling	AKT/mTOR inhibition contributes to growth suppression and stress responses
5	MAPK stress signaling (JNK / p38)	↑ JNK / ↑ p38	↔ minimal	Secondary	Stress-activated apoptosis signaling	MAPK activation often follows ROS increase and supports apoptotic signaling
6	Cell cycle regulation	↑ G1 or G2/M arrest	↔ largely spared	Phenotypic	Cytostatic growth control	Cell-cycle arrest reflects upstream signaling disruption rather than direct CDK inhibition
7	HIF-1α / VEGF hypoxia–angiogenesis axis	↓ HIF-1α; ↓ VEGF	↔ minimal	Secondary	Anti-angiogenic pressure	EGCG interferes with hypoxia-driven tumor adaptation
8	NRF2 antioxidant response	↑ NRF2 (adaptive, often insufficient)	↑ NRF2 (protective)	Adaptive	Stress compensation	NRF2 reflects response to redox perturbation rather than a kill mechanism

TumCMig, Tumor cell migration: Click to Expand ⟱

Source:

Type:

Tumor cell migration is a critical process in cancer progression and metastasis, which is the spread of cancer cells from the primary tumor to distant sites in the body.

Scientific Papers found: Click to Expand⟱

147-

ATG,

EGCG,

CUR,

Increased chemopreventive effect by combining arctigenin, green tea polyphenol and curcumin in prostate and breast cancer cells

in-vitro,

Pca,

LNCaP

  5–10μM Cur, 1μM Arc and 40μM EGCG

in-vitro,

Pca,

MCF-7

  5–10μM Cur, 1μM Arc and 40μM EGCG

Bax:Bcl2↑, combination treatment significantly increased the ratio of Bax to Bcl-2 proteins, decreased the activation of NFκB, PI3K/Akt and Stat3
NF-kB↓, arctigenin demonstrated the strongest ability to inhibit the activation of both PI3K/Akt and NFκB pathways in both LNCaP and MCF-7 cells.
PI3K/Akt↓,
STAT3↓,
chemoPv↑, combining Arc and EGCG with Cur to enhance chemoprevention in both prostate and breast cancer.
TumCP↓, combining Arc and EGCG with Cur to enhance chemoprevention in both prostate and breast cancer.
TumCCA↑, EGCG significantly increased the effect of curcumin on cell cycle arrest at G0/G1 phase in MCF-7 cells, and the effect was further enhanced by the addition of arctigenin
TumCMig↓, EGCG and arctigenin alone or in combination with curcumin significantly decreased the number of migrated MCF-7 cells compared to control

1072-

EGCG,

Epigallocatechin gallate (EGCG) suppresses epithelial-Mesenchymal transition (EMT) and invasion in anaplastic thyroid carcinoma cells through blocking of TGF-β1/Smad signaling pathways

in-vitro,

Thyroid,

8505C

EMT↓,
TumCI↓,
TumCMig↓,
TGF-β↓,
p‑SMAD2↓,
p‑SMAD3↓,
SMAD4↓,

651-

EGCG,

Epigallocatechin-3-Gallate Therapeutic Potential in Cancer: Mechanism of Action and Clinical Implications

ROS↑, mounting evidence that EGCG can stimulate ROS production, which in turn leads to the phosphorylation and activation of AMPK
p‑AMPK↑,
mTOR↓,
FAK↓,
Smo↓,
Gli1↓,
HH↓,
TumCMig↓,
TumCI↓,
NOTCH↓,
JAK↓,
STAT↓,
Bcl-2↓,
Bcl-xL↓,
BAX↑,
Casp9↑,

22-

EGCG,

Inhibition of sonic hedgehog pathway and pluripotency maintaining factors regulate human pancreatic cancer stem cell characteristics

in-vitro,

PC,

CD133+

in-vitro,

PC,

CD44+

in-vitro,

PC,

CD24+

in-vitro,

PC,

ESA+

 20-60 uM

HH↓, EGCG also inhibited the components of Shh pathway (smoothened, patched, Gli1 and Gli2)
Smo↓,
PTCH1↓,
PTCH2↓,
Gli1↓,
GLI2↓,
Gli↓,
Bcl-2↓, inhibiting the expression of Bcl-2 and XIAP, and activating caspase-3
XIAP↓,
Shh↓,
survivin↓,
Casp3↑,
Casp7↑,
CSCs↓, EGCG inhibited the expression of pluripotency maintaining transcription factors (Nanog, c-Myc and Oct-4), and self-renewal capacity of pancreatic CSCs.
Nanog↓,
cMyc↓,
OCT4↓,
EMT↓, EGCG inhibited EMT by inhibiting the expression of Snail, Slug and ZEB1, and TCF/LEF transcriptional activity,
Snail↓,
Slug↓,
Zeb1↓,
TumCMig↓, significantly reduced CSC’s migration and invasion, suggesting the blockade of signaling involved in early metastasis.
TumCI↓,
eff↑, combination of quercetin with EGCG had synergistic inhibitory effects on self-renewal capacity of CSCs through attenuation of TCF/LEF and Gli activities

665-

EGCG,

Anticancer effects of epigallocatechin-3-gallate nanoemulsion on lung cancer cells through the activation of AMP-activated protein kinase signaling pathway

in-vitro,

NA,

H1299

 36.03 and 4.71 μM(nano)

nano particles have much lower IC50

AMPK↑,
TumCP↓,
TumCMig↓,
TumCI↓,

688-

EGCG,

GEM,

Epigallocatechin-3-Gallate (EGCG) Suppresses Pancreatic Cancer Cell Growth, Invasion, and Migration partly through the Inhibition of Akt Pathway and Epithelial–Mesenchymal Transition: Enhanced Efficacy When Combined with Gemcitabine

in-vitro,

PC,

Zeb1↓,
β-catenin/ZEB1↓,
Vim↓,
Akt↓,
p‑IGFR↓,
TumCG↓,
TumCMig↓,
TumCI↓,

4685-

EGCG,

Epigallocathechin gallate, polyphenol present in green tea, inhibits stem-like characteristics and epithelial-mesenchymal transition in nasopharyngeal cancer cell lines

in-vitro,

NPC,

TW01

in-vitro,

NPC,

TW06

CSCs↓, EGCG potently inhibited sphere formation and can eliminate the stem cell characteristics of NPC and inhibit the epithelial-mesenchymal transition (EMT) signatures.
EMT↓,
TumCMig↓, Inhibition on NPC sphere-derived cell colony formation, migration, and invasion by EGCG
TumCI↓,
OCT4↓, EGCG inhibited the expression of Klf-4 and Oct-4 in sphere-derived cells.
Snail↓, EGCG significantly inhibited the levels of Snail, Vimentin and increased E-Cadherin expression in a dose-dependent manner
Vim↓,
E-cadherin↓,
HSP70/HSPA5↓, EGCG suppresses the expression of HSP70 and HSP90, and exhibits anti-tumor activity in vitro and in vivo
HSP90↓,
AntiTum↓,

60-

QC,

EGCG,

isoFl,

The dietary bioflavonoid quercetin synergizes with epigallocathechin gallate (EGCG) to inhibit prostate cancer stem cell characteristics, invasion, migration and epithelial-mesenchymal transition

in-vitro,

Pca,

pCSCs

 20 uM

Casp3↑, EGCG induces apoptosis by activating capase-3/7 and inhibiting the expression of Bcl-2, survivin and XIAP in CSCs.
Casp7↑,
Bcl-2↓,
survivin↓,
XIAP↓,
EMT↓,
Slug↓,
Snail↓,
β-catenin/ZEB1↓,
LEF1↓, LEF-1/TCF
CSCs↓, quercetin synergizes with EGCG in inhibiting the self-renewal properties of prostate CSCs, inducing apoptosis, and blocking CSC's migration and invasion.
Apoptosis↑,
TumCMig↓,
TumCI↓,
CD44↓, EGCG inhibits the self-renewal capacity of CD44+α2β1+CD133+ CSCs isolated from human primary prostate tumors,
CD133↓,

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 8

Pathway results for Effect on Cancer / Diseased Cells:

Functional Outcomes ⓘ

AntiTum↓, 1, chemoPv↑, 1,
Total Targets: 59

Pathway results for Effect on Normal Cells:

Total Targets: 0

Scientific Paper Hit Count for: TumCMig, Tumor cell migration

8 EGCG (Epigallocatechin Gallate)
1 Arctigenin
1 Curcumin
1 Gemcitabine (Gemzar)
1 Quercetin
1 isoflavones

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#:73  Target#:326  State#:%  Dir#:%
  wNotes=on  sortOrder:rid,rpid

Database Query Results : EGCG (Epigallocatechin Gallate), , TumCMig

Pathway results for Effect on Cancer / Diseased Cells:

Redox & Oxidative Stress ⓘ

Mitochondria & Bioenergetics ⓘ

Core Metabolism/Glycolysis ⓘ

Cell Death ⓘ

Protein Folding & ER Stress ⓘ

Cell Cycle & Senescence ⓘ

Proliferation, Differentiation & Cell State ⓘ

Migration ⓘ

Immune & Inflammatory Signaling ⓘ

Drug Metabolism & Resistance ⓘ

Functional Outcomes ⓘ

Pathway results for Effect on Normal Cells:

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