Luteolin / TOP1 Cancer Research Results

LT, Luteolin: Click to Expand ⟱
Features:
Luteolin a Flavonoid found in celery, parsley, broccoli, onion leaves, carrots, peppers, cabbages, apple skins, and chrysanthemum flowers.
-MDR1 expression, MMP-9, IGF-1 and Epithelial to mesenchymal transition.

-Note half-life 2–3 hours
BioAv low, but could be improved with Res, or blend of castor oil, kolliphor and polyethylene glycol
Pathways:
- induce ROS production in cancer cell but a few reports of reduction. Always seems to reduce ROS in normal cells.
- ROS↑ related: MMP↓(ΔΨm), ER Stress↑, UPR↑, GRP78↑, Ca+2↑, Cyt‑c↑, Caspases↑, DNA damage↑, cl-PARP↑, HSP↓
- Lowers AntiOxidant defense in Cancer Cells: NRF2↓, 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 : IL-1β↓, TNF-α↓, IL-6↓,
- inhibit Growth/Metastases : TumMeta↓, TumCG↓, EMT↓, MMP2↓, MMP9↓, TIMP2, IGF-1↓, VEGF↓, FAK↓, RhoA↓, NF-κB↓, CXCR4↓, ERK↓
- reactivate genes thereby inhibiting cancer cell growth : HDAC↓, DNMT1↓, DNMT3A↓, EZH2↓, P53↑, HSP↓,
- cause Cell cycle arrest : TumCCA↑, cyclin D1↓, cyclin E↓, CDK2↓, CDK4↓, CDK6↓,
- inhibits Migration/Invasion : TumCMig↓, FAK↓, ERK↓, EMT↓, TOP1, TET1↓,
- inhibits glycolysis and ATP depletion : HIF-1α↓, PKM2↓, cMyc↓, LDHA↓, HK2↓, GRP78↑,
- inhibits angiogenesis↓ : VEGF↓, HIF-1α↓, Notch↓, PDGF↓, EGFR↓, Integrins↓,
- Others: PI3K↓, AKT↓, STAT↓, Wnt↓, β-catenin↓, AMPK, ERK↓, JNK, TrxR**, - Shown to modulate the nuclear translocation of SREBP-2 (related to cholesterol).
- Synergies: chemo-sensitization, chemoProtective, RadioSensitizer, Others(review target notes), Neuroprotective, Renoprotection, Hepatoprotective, CardioProtective,

- Selectivity: Cancer Cells vs Normal Cells

Luteolin — Cancer vs Normal Cell Effects
Rank Pathway / Axis Cancer Cells Normal Cells Label Primary Interpretation Notes
1 PI3K → AKT → mTOR axis ↓ AKT / ↓ mTOR signaling ↔ adaptive suppression Driver Loss of survival and growth signaling Luteolin consistently suppresses PI3K/AKT signaling, explaining growth inhibition and apoptosis sensitization
2 NF-κB signaling ↓ NF-κB activation ↓ inflammatory NF-κB tone Driver Suppression of inflammatory survival transcription NF-κB inhibition is a core, repeatedly observed luteolin effect
3 Reactive oxygen species (ROS) ↑ ROS (context- & dose-dependent) ↓ ROS / buffered Conditional Driver Biphasic redox modulation Luteolin can act as a pro-oxidant in cancer cells while remaining antioxidant in normal cells
4 Mitochondrial integrity / intrinsic apoptosis ↓ ΔΨm; ↑ caspase activation ↔ preserved Secondary Execution of intrinsic apoptosis Mitochondrial apoptosis follows signaling and redox stress
5 STAT3 signaling ↓ STAT3 activation ↔ minimal Secondary Loss of proliferative and stemness signaling STAT3 suppression contributes to reduced invasion and CSC traits
6 Cell cycle regulation ↑ G1 or G2/M arrest ↔ spared Phenotypic Cytostatic growth control Cell-cycle arrest reflects upstream pathway inhibition
7 Migration / invasion (EMT, MMP axis) ↓ migration & invasion Phenotypic Anti-metastatic phenotype Reduced EMT and protease activity limit invasiveness


TOP1, Topoisomerase I: Click to Expand ⟱
Source:
Type:
Topoisomerase I (TOP1) is an essential nuclear enzyme involved in relieving DNA supercoiling during replication and transcription.
• Elevated TOP1 expression has been observed in several tumor types, such as colorectal, ovarian, breast, and lung cancers.
• Increased TOP1 levels may correlate with higher proliferation rates, as actively dividing tumor cells require efficient relief of DNA.

• In some cancers, high TOP1 expression has been associated with aggressive tumor behavior, higher grade, and potentially poorer clinical outcomes. This may be due in part to increased proliferation and/or a greater propensity for genomic instability.
• In other contexts, TOP1 expression might indicate sensitivity to TOP1-targeted therapies. For example, tumors with high TOP1 activity may respond better to chemotherapeutic agents (e.g., irinotecan) that target the enzyme, potentially improving outcomes when appropriate treatment is administered.

TOP1 is a critical enzyme in maintaining DNA integrity whose expression in cancers can reflect tumor proliferation and genomic instability. While high TOP1 expression is often associated with aggressive tumor behavior and poorer prognosis in several cancer types, it also has therapeutic relevance because tumors with elevated TOP1 may be more sensitive to TOP1 inhibitors.


Scientific Papers found: Click to Expand⟱
2906- LT,    Luteolin, a flavonoid with potentials for cancer prevention and therapy
- Review, Var, NA
*Inflam↓, AntiCan↑, antiOx⇅, Apoptosis↑, TumCP↓, TumMeta↓, angioG↓, PI3K↓, Akt↓, NF-kB↓, XIAP↓, P53↑, *ROS↓, *GSTA1↑, *GSR↑, *SOD↑, *Catalase↑, *other↓, ROS↑, Dose↝, chemoP↑, NF-kB↓, JNK↑, p27↑, P21↑, DR5↑, Casp↑, Fas↑, BAX↑, MAPK↓, CDK2↓, IGF-1↓, PDGF↓, EGFR↓, PKCδ↓, TOP1↓, TOP2↓, Bcl-xL↓, FASN↓, VEGF↓, VEGFR2↓, MMP9↓, Hif1a↓, FAK↓, MMP1↓, Twist↓, ERK↓, P450↓, CYP1A1↓, CYP1A2↓, TumCCA↑,

Showing Research Papers: 1 to 1 of 1

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 1

Pathway results for Effect on Cancer / Diseased Cells:


Redox & Oxidative Stress

antiOx⇅, 1,   CYP1A1↓, 1,   ROS↑, 1,  

Mitochondria & Bioenergetics

XIAP↓, 1,  

Core Metabolism/Glycolysis

FASN↓, 1,  

Cell Death

Akt↓, 1,   Apoptosis↑, 1,   BAX↑, 1,   Bcl-xL↓, 1,   Casp↑, 1,   DR5↑, 1,   Fas↑, 1,   JNK↑, 1,   MAPK↓, 1,   p27↑, 1,  

DNA Damage & Repair

P53↑, 1,  

Cell Cycle & Senescence

CDK2↓, 1,   P21↑, 1,   TumCCA↑, 1,  

Proliferation, Differentiation & Cell State

ERK↓, 1,   IGF-1↓, 1,   PI3K↓, 1,   TOP1↓, 1,   TOP2↓, 1,  

Migration

FAK↓, 1,   MMP1↓, 1,   MMP9↓, 1,   PDGF↓, 1,   PKCδ↓, 1,   TumCP↓, 1,   TumMeta↓, 1,   Twist↓, 1,  

Angiogenesis & Vasculature

angioG↓, 1,   EGFR↓, 1,   Hif1a↓, 1,   VEGF↓, 1,   VEGFR2↓, 1,  

Immune & Inflammatory Signaling

NF-kB↓, 2,  

Drug Metabolism & Resistance

CYP1A2↓, 1,   Dose↝, 1,   P450↓, 1,  

Clinical Biomarkers

EGFR↓, 1,  

Functional Outcomes

AntiCan↑, 1,   chemoP↑, 1,  
Total Targets: 44

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress

Catalase↑, 1,   GSR↑, 1,   GSTA1↑, 1,   ROS↓, 1,   SOD↑, 1,  

Transcription & Epigenetics

other↓, 1,  

Immune & Inflammatory Signaling

Inflam↓, 1,  
Total Targets: 7

Scientific Paper Hit Count for: TOP1, Topoisomerase I
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#:118  Target#:1117  State#:%  Dir#:1
wNotes=0 sortOrder:rid,rpid

 

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