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| 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 cellsDirect Urolithin A Supplements: Bypass microbiome dependency Urolithin A–type activity — Cancer vs Normal Cell Effects
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| BACE stands for β-site APP-cleaving enzyme, also known as β-secretase. It plays a central role in the pathogenesis of Alzheimer’s disease by initiating the production of amyloid-β (Aβ) peptides, the primary components of amyloid plaques found in the brains of individuals with AD. -inhibiting BACE1 reduces Aβ production. BACE1 - Beta-Site APP Cleaving Enzyme 1 / β-Secretase 1 Abbreviation: BACE1, β-secretase, β-secretase 1 Type: Aspartyl protease / amyloidogenic APP-processing enzyme Function: BACE1 is a membrane-associated aspartyl protease that performs the initial β-secretase cleavage of amyloid precursor protein (APP). This cleavage generates soluble APPβ and the membrane-bound C99 fragment, which is subsequently cleaved by γ-secretase to produce amyloid-β peptides including Aβ40 and Aβ42. Alzheimer's Disease: ↑ Increased BACE1 expression or enzymatic activity promotes amyloidogenic APP processing and increases amyloid-β production. Elevated BACE1 activity has been reported in Alzheimer's disease and contributes to Aβ accumulation, plaque formation, synaptic dysfunction, and disease progression. BACE1 inhibition reduces Aβ production, although clinical BACE1 inhibitors have been limited by adverse effects related to the enzyme's normal physiological functions. |
| 4864- | Uro, | Therapeutic Potential of Mitophagy-Inducing Microflora Metabolite, Urolithin A for Alzheimer's Disease |
| - | Review, | AD, | NA |
| 4865- | Uro, | Urolithin A suppresses high glucose-induced neuronal amyloidogenesis by modulating TGM2-dependent ER-mitochondria contacts and calcium homeostasis |
| - | in-vitro, | Diabetic, | NA | - | in-vitro, | AD, | NA |
| 4870- | Uro, | Urolithin A attenuates memory impairment and neuroinflammation in APP/PS1 mice |
| - | in-vivo, | AD, | 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
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