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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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| Caspases are a cysteine protease that speed up a chemical reaction via pointing their target substrates following an aspartic acid residue.1 They are grouped into apoptotic (caspase-2, 3, 6, 7, 8, 9 and 10) and inflammatory (caspase-1, 4, 5, 11 and 12) mediated caspases. Caspase-1 may have both tumorigenic or antitumorigenic effects on cancer development and progression, but it depends on the type of inflammasome, methodology, and cancer. Catalase is an enzyme found in nearly all living cells exposed to oxygen. Its primary role is to protect cells from oxidative damage by catalyzing the conversion of hydrogen peroxide (H₂O₂), a potentially damaging byproduct of metabolism, into water (H₂O) and oxygen (O₂). This detoxification process is crucial because excess H₂O₂ can lead to the formation of reactive oxygen species (ROS) that damage proteins, lipids, and DNA. Catalase and Cancer Oxidative Stress and Cancer: Cancer cells often experience increased levels of oxidative stress due to rapid proliferation and metabolic changes. This stress can lead to DNA damage, promoting tumorigenesis. Catalase helps mitigate oxidative stress, and its expression can influence the survival and proliferation of cancer cells. Expression Levels in Different Cancers: Overexpression: In some cancers, such as breast cancer and certain types of leukemia, catalase may be overexpressed. This overexpression can help cancer cells survive in oxidative environments, potentially leading to more aggressive tumor behavior. Downregulation: Conversely, in other cancers, such as colorectal cancer, reduced catalase expression has been observed. This downregulation can lead to increased oxidative stress, contributing to tumor progression and metastasis. Prognostic Implications: Survival Rates: Studies have shown that high levels of catalase expression can be associated with poor prognosis in certain cancers, as it may enable cancer cells to resist apoptosis (programmed cell death) induced by oxidative stress. Some types of cancer cells have been reported to exhibit lower catalase activity, possibly increasing their vulnerability to oxidative damage under certain conditions. This vulnerability has even been exploited in some therapeutic strategies (for example, approaches that generate excess H₂O₂ or other ROS specifically targeting cancer cells have been researched). |
| 4858- | Uro, | The Metabolite Urolithin-A Ameliorates Oxidative Stress in Neuro-2a Cells, Becoming a Potential Neuroprotective Agent |
| - | in-vitro, | Nor, | NA |
| 4869- | Uro, | Urolithin A in Central Nervous System Disorders: Therapeutic Applications and Challenges |
| - | Review, | AD, | NA | - | Review, | Park, | NA | - | Review, | Stroke, | NA |
| 4876- | Uro, | Urolithin A in Health and Diseases: Prospects for Parkinson’s Disease Management |
| - | Review, | Park, | NA | - | Review, | AD, | NA |
| 4880- | Uro, | Urolithins: A Prospective Alternative against Brain Aging |
| - | Review, | 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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