Sanguinarine / COX2 Cancer Research Results

SANG, Sanguinarine: Click to Expand ⟱
Features:

Sanguinarine (SANG) — a benzophenanthridine alkaloid isolated primarily from Sanguinaria canadensis (bloodroot) and other Papaveraceae species. Potent redox-active, DNA-intercalating phytochemical studied extensively in preclinical oncology.

Primary mechanisms (conceptual rank):
1) ROS generation → mitochondrial apoptosis
2) NF-κB / STAT3 inhibition (anti-survival signaling)
3) Cell-cycle arrest (G0/G1 or G2/M depending on model)
4) MAPK modulation (JNK activation; ERK suppression context-dependent)
5) Epigenetic/DNA interaction effects

Bioavailability / PK relevance: Limited human PK data; rapid reactivity and protein binding likely restrict systemic exposure. Toxicity (oral mucosal injury, cytotoxicity) limits therapeutic window.

In-vitro vs oral exposure: Many anti-cancer effects occur at micromolar concentrations unlikely achievable systemically via safe oral dosing (qualifier: high concentration only for direct cytotoxicity).

Clinical evidence status: Preclinical oncology only; no validated RCT cancer indication. Safety concerns limit development.

Extracted from bloodroot plant from whose scientific name, Sanguinaria canadensis, its name is derived; the Mexican prickly poppy; Chelidonium majus; and Macleaya cordata.

Sanguinarine — Cancer vs Normal Cell Pathway Map

Rank Pathway / Axis Cancer Cells Normal Cells TSF Primary Effect Notes / Interpretation
1 ROS / Mitochondrial redox stress ↑ (primary; dose-dependent) ↑ (high concentration only) P/R Oxidative stress → apoptosis Central mechanism; rapid ROS generation drives mitochondrial membrane depolarization and cytochrome c release.
2 Intrinsic apoptosis (Bax↑, Bcl-2↓, caspases) ↑ ↑ (high concentration only) R/G Programmed cell death Often ROS-dependent; cancer cells show greater susceptibility due to higher basal oxidative stress.
3 NF-κB signaling ↓ ↓ (context-dependent) R/G Reduced pro-survival transcription Suppresses inflammatory and anti-apoptotic gene expression; contributes to anti-proliferative effect.
4 STAT3 axis ↓ ↔ R/G Reduced survival signaling STAT3 inhibition reported in multiple tumor models; linked to decreased proliferation and invasion.
5 MAPK (JNK↑ / ERK↓ context-dependent) ↑ JNK; ↓ ERK ↔ / ↑ stress (high dose) P/R Stress-activated apoptosis signaling JNK activation promotes apoptosis; ERK suppression reduces proliferation.
6 Cell Cycle (Cyclin D1, CDK regulation) ↓ proliferation ↔ G G0/G1 or G2/M arrest Checkpoint enforcement varies by tumor type and dose.
7 NRF2 axis ↓ (overwhelmed by ROS; context-dependent) ↑ (adaptive; low dose) R/G Redox defense modulation Low dose may activate adaptive NRF2; higher doses override antioxidant defenses in cancer cells.
8 Ca²⁺ / ER stress ↑ (stress-dependent) ↑ (high concentration only) P/R ER-mitochondrial stress coupling Calcium dysregulation contributes to apoptosis cascade.
9 Ferroptosis ↑ (lipid ROS-linked; investigational) ↔ R/G Lipid peroxidation stress ROS-driven lipid damage suggests ferroptosis overlap but not primary established mechanism.
10 HIF-1α ↓ (model-dependent) ↔ G Reduced hypoxia adaptation Reported suppression in some tumor contexts.
11 Clinical Translation Constraint ↓ (constraint) ↓ (constraint) — Toxicity + limited PK data Oral toxicity and narrow therapeutic index limit systemic development.

TSF legend:
P: 0–30 min (primary redox interactions)
R: 30 min–3 hr (acute stress signaling)
G: >3 hr (gene-regulatory / phenotype outcomes)
COX2, cycloocygenase-2 (Cox-2) mRNA and Cox-2 protein: Click to Expand ⟱
Source: HalifaxProj(inhibit)
Type:
Cyclooxygenase-2 (COX-2) is an enzyme that plays a critical role in the conversion of arachidonic acid to prostaglandins, which are lipid compounds involved in various physiological processes, including inflammation, pain, and fever. COX-2 is an inducible enzyme, meaning its expression is typically low in normal tissues but can be upregulated in response to inflammatory stimuli, growth factors, and certain oncogenic signals.
-Cyclooxygenase-2 (COX-2), the rate-limiting enzyme in prostaglandin biosynthesis, plays a key role in inflammation and circulatory homeostasis.
-COX-2 is an inducible enzyme that is upregulated in response to pro-inflammatory signals, including cytokines (e.g., IL-1β, TNF-α) and growth factors.

COX-2 is often overexpressed in various tumors, including colorectal, breast, lung, and prostate cancers.
The prostaglandins produced by COX-2, particularly prostaglandin E2 (PGE2), have several effects that can facilitate cancer progression:
Cell Proliferation: PGE2 can promote the proliferation of cancer cells by activating signaling pathways such as the PI3K/Akt and MAPK pathways.
Nonselective NSAIDs, such as aspirin and ibuprofen, inhibit both COX-1 and COX-2. Epidemiological studies have suggested that regular use of NSAIDs may reduce the risk of certain cancers, particularly colorectal cancer.
Drugs specifically targeting COX-2, such as celecoxib, have been developed.

COX-2 and xanthine oxidase are ROS-producing pro-oxidant enzymes that contribute to inflammation. Elevated COX‑2 levels, often found in inflammatory conditions or certain types of cancers, can contribute to increased production of ROS.
Scientific Papers found: Click to Expand⟱
1090- SANG,    Sanguinarine inhibits invasiveness and the MMP-9 and COX-2 expression in TPA-induced breast cancer cells by inducing HO-1 expression.
- in-vitro, BC, MCF-7
MMP9↓, COX2↓, PGE2↓, NF-kB↓, AP-1↓, p‑Akt↓, p‑ERK↓, HO-1↑,

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 ⓘ

HO-1↑, 1,  

Cell Death ⓘ

p‑Akt↓, 1,  

Proliferation, Differentiation & Cell State ⓘ

p‑ERK↓, 1,  

Migration ⓘ

AP-1↓, 1,   MMP9↓, 1,  

Immune & Inflammatory Signaling ⓘ

COX2↓, 1,   NF-kB↓, 1,   PGE2↓, 1,  
Total Targets: 8

Pathway results for Effect on Normal Cells:


Total Targets: 0

Scientific Paper Hit Count for: COX2, cycloocygenase-2 (Cox-2) mRNA and Cox-2 protein
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#:147  Target#:66  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

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