Urolithin / MAPK Cancer Research Results

Uro, Urolithin: Click to Expand ⟱
Features:
Urolithins are gut microbiota–derived dibenzopyran-6-one metabolites formed from ellagitannins → ellagic acid. They are the bioactive, systemically relevant forms responsible for most of the anticancer, mitochondrial, and signaling effects attributed to pomegranate and berry consumption.
Ellagic acid itself is largely confined to the gut lumen; urolithins are what reach circulation and tissues.

Urolithin A (UA), Most studied; mitophagy, anticancer, anti-inflammatory
Humans fall into urolithin metabotypes:
Metabotype	Description	            Approx. Population
A	        Produces UA (best profile)	~40%
B	        Produces UB ± UA	       ~25–30%
0	        Non-producer	                ~30%

ROS Modulation (Context-Dependent)
Cancer cells:
-Mild ROS ↑ or redox stress → apoptosis, growth arrest
Normal cells:
-ROS ↓, improved mitochondrial efficiency

This duality is why urolithins are less chemo-antagonistic than classic antioxidants.

Anticancer Signaling
↓ PI3K/AKT/mTOR
↓ Wnt/β-catenin
↓ NF-κB, STAT3
Cell-cycle arrest (G1/S)

Unlike sulforaphane or NAC, urolithins:
-Do not strongly upregulate NRF2 in cancer cells
-May normalize NRF2 signaling in normal cells
Direct Urolithin A Supplements: Bypass microbiome dependency

Urolithin A–type activity — Cancer vs Normal Cell Effects
Rank Pathway / Axis Cancer Cells Normal Cells Label Primary Interpretation Notes
1 Mitophagy / mitochondrial quality control (PINK1–Parkin axis) ↑ mitophagy → loss of mitochondrial reserve ↑ mitophagy → improved mitochondrial fitness Driver Mitochondrial pruning and quality enforcement Urolithins selectively stress cancer cells by removing dysfunctional mitochondria while rejuvenating normal-cell mitochondrial pools
2 Mitochondrial metabolism / bioenergetics ↓ metabolic flexibility; ↓ ATP resilience ↑ oxidative efficiency Driver Energy stress vs optimization Cancer cells are less able to compensate for enforced mitochondrial turnover
3 Reactive oxygen species (ROS) ↑ ROS (secondary to mitochondrial stress) ↓ ROS Secondary Metabolism-linked redox shift ROS changes arise from altered mitochondrial populations, not direct redox cycling
4 AMPK / mTOR nutrient-sensing axis ↑ AMPK; ↓ mTOR signaling ↑ AMPK (adaptive) Secondary Catabolic pressure and growth restraint Energy-sensing pathways reinforce growth suppression in metabolically stressed tumor cells
5 Cell cycle regulation ↓ proliferation / ↑ arrest ↔ spared Phenotypic Cytostatic growth limitation Growth inhibition reflects bioenergetic insufficiency rather than direct CDK inhibition
6 Inflammatory signaling (NF-κB / cytokines) ↓ pro-tumor inflammation ↓ inflammatory tone Secondary Anti-inflammatory modulation Reduced inflammation contributes to chemopreventive and microenvironmental effects
7 NRF2 antioxidant response ↑ NRF2 (adaptive, secondary) ↑ NRF2 (protective) Adaptive Redox homeostasis reinforcement NRF2 activation reflects improved mitochondrial quality and reduced oxidative burden rather than a cytotoxic mechanism
8 Apoptosis sensitivity ↑ sensitivity to apoptosis (stress-context dependent) ↓ apoptosis Phenotypic Threshold-dependent cell death Apoptosis occurs when mitochondrial and energetic stress exceed adaptive capacity


MAPK, mitogen-activated protein kinase: Click to Expand ⟱
Source: CGL-CS
Type:
Mitogen-activated protein kinases (MAPKs) are a group of proteins involved in transmitting signals from the cell surface to the nucleus, playing a crucial role in various cellular processes, including growth, differentiation, and apoptosis (programmed cell death).

MAPK Pathways: The MAPK family includes several pathways, the most notable being:
1.ERK (Extracellular signal-Regulated Kinase): Often associated with cell proliferation and survival.
2.JNK (c-Jun N-terminal Kinase): Typically involved in stress responses and apoptosis.
3.p38 MAPK: Associated with inflammatory responses and apoptosis.

Inhibitors: Targeting the MAPK pathway has become a strategy in cancer therapy. For example, BRAF inhibitors (like vemurafenib) are used in treating melanoma with BRAF mutations.
Altered Expression Levels:
Overexpression: Many cancers exhibit overexpression of MAPK pathway components, such as RAS, BRAF, and MEK. This overexpression can lead to increased signaling activity, promoting cell proliferation and survival.
Downregulation: In some cases, negative regulators of the MAPK pathway (e.g., MAPK phosphatases) may be downregulated, leading to enhanced MAPK signaling.
The expression levels of MAPK pathway components can serve as biomarkers for cancer diagnosis, prognosis, and treatment response. For example, high levels of phosphorylated ERK (p-ERK) may indicate active MAPK signaling and poor prognosis in certain cancers.

Numerous reports indicate that the MAPK pathway plays a major role in tumor progression and invasion, while inhibition of MAPK signaling reduces invasion.
Scientific Papers found: Click to Expand⟱
4870- Uro,    Urolithin A attenuates memory impairment and neuroinflammation in APP/PS1 mice
- in-vivo, AD, NA
*cognitive↑, *Apoptosis↓, *neuroP↑, *Aβ↓, *AMPK↑, *NF-kB↓, *MAPK↓, *BACE↑, *neuroG↑, *Inflam↓, *memory↑,
4869- Uro,    Urolithin A in Central Nervous System Disorders: Therapeutic Applications and Challenges
- Review, AD, NA - Review, Park, NA - Review, Stroke, NA
*MitoP↑, *Inflam↓, *antiOx↑, *Risk↓, *Aβ↓, *p‑tau↓, *p62↓, *PARK2↑, *MMP↑, *ROS↓, *Strength↑, *CRP↓, *IL1β↓, *IL6↓, *TNF-α↓, *AMPK↑, *NF-kB↓, *MAPK↓, *p62↑, *NRF2↑, *SOD↑, *Catalase↑, *HO-1↑, *Ferroptosis↓, *lipid-P↓, *Cartilage↑, *PI3K↓, *Akt↓, *mTOR↓, *Apoptosis↓, *neuroP↑, *Bcl-2↓, *BAX↑, *Casp3↑, *ATP↑, *eff↑, *motorD↑, *NLRP3↓, *radioP↑, *BBB↑,
4855- Uro,    Urolithins impair cell proliferation, arrest the cell cycle and induce apoptosis in UMUC3 bladder cancer cells
- in-vitro, Bladder, UMUC3
TumCCA↑, PI3K↓, Akt↓, MAPK↓,

Showing Research Papers: 1 to 3 of 3

* indicates research on normal cells as opposed to diseased cells
Total Research Paper Matches: 3

Pathway results for Effect on Cancer / Diseased Cells:


Cell Death ⓘ

Akt↓, 1,   MAPK↓, 1,  

Cell Cycle & Senescence ⓘ

TumCCA↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

PI3K↓, 1,  
Total Targets: 4

Pathway results for Effect on Normal Cells:


Redox & Oxidative Stress ⓘ

antiOx↑, 1,   Catalase↑, 1,   Ferroptosis↓, 1,   HO-1↑, 1,   lipid-P↓, 1,   NRF2↑, 1,   PARK2↑, 1,   ROS↓, 1,   SOD↑, 1,  

Mitochondria & Bioenergetics ⓘ

ATP↑, 1,   MMP↑, 1,  

Core Metabolism/Glycolysis ⓘ

AMPK↑, 2,  

Cell Death ⓘ

Akt↓, 1,   Apoptosis↓, 2,   BAX↑, 1,   Bcl-2↓, 1,   Casp3↑, 1,   Ferroptosis↓, 1,   MAPK↓, 2,  

Autophagy & Lysosomes ⓘ

MitoP↑, 1,   p62↓, 1,   p62↑, 1,  

Proliferation, Differentiation & Cell State ⓘ

mTOR↓, 1,   neuroG↑, 1,   PI3K↓, 1,  

Migration ⓘ

Cartilage↑, 1,  

Barriers & Transport ⓘ

BBB↑, 1,  

Immune & Inflammatory Signaling ⓘ

CRP↓, 1,   IL1β↓, 1,   IL6↓, 1,   Inflam↓, 2,   NF-kB↓, 2,   TNF-α↓, 1,  

Synaptic & Neurotransmission ⓘ

p‑tau↓, 1,  

Protein Aggregation ⓘ

Aβ↓, 2,   BACE↑, 1,   NLRP3↓, 1,  

Drug Metabolism & Resistance ⓘ

eff↑, 1,  

Clinical Biomarkers ⓘ

CRP↓, 1,   IL6↓, 1,  

Functional Outcomes ⓘ

cognitive↑, 1,   memory↑, 1,   motorD↑, 1,   neuroP↑, 2,   radioP↑, 1,   Risk↓, 1,   Strength↑, 1,  
Total Targets: 47

Scientific Paper Hit Count for: MAPK, mitogen-activated protein kinase
3 Urolithin
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#:383  Target#:181  State#:%  Dir#:%
  wNotes=0  sortOrder:rid,rpid

 

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