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| Licochalcone A - Licorice-Derived Chalcone Type: Natural chalcone / flavonoid-related phytochemical Sources: Found primarily in licorice species including Glycyrrhiza inflata and related Glycyrrhiza plants. Function: Licochalcone A is a bioactive chalcone with anticancer, anti-inflammatory, antioxidant, antimicrobial, and metabolic effects. Reported mechanisms include modulation of PI3K/AKT, MAPK, NF-κB, STAT3, ROS, apoptosis, autophagy, and cell-cycle regulatory pathways. Cancer: Preclinical studies demonstrate inhibition of cancer-cell proliferation, migration, invasion, and metastasis, together with induction of apoptosis, autophagy, oxidative stress, and cell-cycle arrest. LCA has shown anticancer activity in breast, lung, gastric, colorectal, prostate, liver, ovarian, and other experimental cancer models. Alzheimer's Disease: Preclinical evidence suggests neuroprotective and anti-inflammatory effects relevant to neurodegeneration, including suppression of oxidative stress and inflammatory signaling, although the Alzheimer's-specific evidence is less developed than the cancer literature. Licochalcone A — a naturally occurring prenylated chalcone and phenolic phytochemical found principally in licorice species, especially Glycyrrhiza inflata. It is classified as a natural chalcone/flavonoid-related small molecule and is commonly abbreviated LCA, LicA, or Lico A. Its experimental pharmacology is strongly context-dependent: in many cancer models LCA promotes oxidative stress, mitochondrial dysfunction, apoptosis, autophagy, cell-cycle arrest, and suppression of proliferative and inflammatory signaling, whereas in non-malignant injury models it can activate NRF2-dependent antioxidant defenses. Anticancer development remains preclinical. Primary mechanisms (ranked):
Bioavailability / PK relevance: Free oral LCA has poor systemic exposure; a rat pharmacokinetic study reported absolute oral bioavailability of approximately 3.3%. Poor aqueous solubility, limited permeability, intestinal first-pass metabolism, glucuronidation, and other metabolic pathways constrain exposure. Formulation materially changes PK: a self-microemulsifying drug-delivery system increased oral bioavailability approximately 2.36-fold in rats, while nanoparticle approaches have produced still larger increases experimentally. LCA also inhibits P-glycoprotein and several CYP enzymes, particularly CYP3A and CYP2C9 in experimental systems, creating a potential drug-interaction concern. In-vitro vs systemic exposure relevance: Many anticancer experiments use approximately 10–100 μM LCA, with several reported IC50 values in the tens of micromolar range. These concentrations are difficult to reconcile with the low systemic exposure of unformulated oral LCA, so direct translation of conventional cell-culture concentrations to achievable human systemic exposure is uncertain. Delivery systems, local exposure, metabolites, and combination strategies may alter this limitation. Clinical evidence status: Cancer: preclinical only, with cell-culture and animal xenograft evidence but no established anticancer efficacy in humans. Human exposure evidence is substantially stronger for topical dermatologic/cosmetic use: randomized or prospective studies have evaluated LCA-containing formulations for acne, dermatitis, erythema, and rosacea. LCA is not an established systemic oncology drug. Current translational priorities are exposure optimization, human PK, dose-limiting safety characterization, and controlled oncology trials. Licochalcone A Cancer Mechanisms
P: 0–30 min R: 30 min–3 hr G: >3 hr Alzheimer's disease relevance: Licochalcone A now has meaningful disease-specific preclinical evidence rather than only general neuroprotective plausibility. Studies in transgenic AD mouse models report improved cognition together with reduced Aβ burden, reduced neuroinflammation, improved insulin/glucose signaling, inhibition of ER-stress-mediated neuronal apoptosis, and NRF2-associated protection. A 2026 APP/PS1 study reported improved memory, increased synaptic markers, reduced Aβ42 and plaque burden, improved glucose handling, and reduced glial activation after 15 mg/kg/day intraperitoneal LCA for four weeks. A separate transgenic mouse study found inhibition of PERK/eIF2α/ATF4/CHOP ER-stress signaling and neuronal apoptosis. Evidence remains preclinical; there is no established human AD efficacy. Primary AD mechanisms (ranked):
Clinical evidence status: Preclinical. Evidence includes cell studies and multiple transgenic mouse AD models, including disease-specific studies published in 2025 and 2026. Human efficacy, optimal systemic dose, CNS pharmacokinetics, and long-term safety have not been established. Licochalcone A Alzheimer Mechanisms
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| Cytochrome c ** The term "release of cytochrome c" ** an increase in level for the cytosol. Small hemeprotein found loosely associated with the inner membrane of the mitochondrion where it plays a critical role in cellular respiration. Cytochrome c is highly water-soluble, unlike other cytochromes. It is capable of undergoing oxidation and reduction as its iron atom converts between the ferrous and ferric forms, but does not bind oxygen. It also plays a major role in cell apoptosis. The term "release of cytochrome c" refers to a critical step in the process of programmed cell death, also known as apoptosis. In its new location—the cytosol—cytochrome c participates in the apoptotic signaling pathway by helping to form the apoptosome, which activates caspases that execute cell death. Cytochrome c is a small protein normally located in the mitochondrial intermembrane space. Its primary role in healthy cells is to participate in the electron transport chain, a process that helps produce energy (ATP) through oxidative phosphorylation. Mitochondrial outer membrane permeability leads to the release of cytochrome c from the mitochondria into the cytosol. The release of cytochrome c is a pivotal event in apoptosis where cytochrome c moves from the mitochondria to the cytosol, initiating a chain reaction that leads to programmed cell death. On the one hand, cytochrome c can promote cancer cell survival and proliferation by regulating the activity of various signaling pathways, such as the PI3K/AKT pathway. This can lead to increased cell growth and resistance to apoptosis, which are hallmarks of cancer. On the other hand, cytochrome c can also induce apoptosis in cancer cells by interacting with other proteins, such as Apaf-1 and caspase-9. This can lead to the activation of the intrinsic apoptotic pathway, which can result in the death of cancer cells. Overexpressed in Breast, Lung, Colon, and Prostrate. Underexpressed in Ovarian, and Pancreatic. |
| 8235- | LCA, | Anticancer effects of licochalcones: A review of the mechanisms |
| - | Review, | Var, | NA |
| 8237- | LCA, | Role of Licochalcone A in Potential Pharmacological Therapy: A Review |
| - | Review, | Var, | NA |
| 8243- | LCA, | Licochalcone A Inhibits Cellular Motility by Suppressing E-cadherin and MAPK Signaling in Breast Cancer |
| - | in-vitro, | BC, | MDA-MB-231 |
| 8254- | LCA, | Geld, | Licochalcone A enhances geldanamycin-induced apoptosis through reactive oxygen species-mediated caspase activation |
| - | in-vitro, | Ovarian, | NA |
| 8209- | LCA, | Licochalcone A Exerts Anti-Cancer Activity by Inhibiting STAT3 in SKOV3 Human Ovarian Cancer Cells |
| - | in-vitro, | Ovarian, | SKOV3 |
| 8222- | LCA, | Licochalcone A Induces Cholangiocarcinoma Cell Death Via Suppression of Nrf2 and NF-κB Signaling Pathways |
| - | in-vitro, | CCA, | KKU-100 | - | in-vitro, | CCA, | KKU-213 | - | in-vitro, | CCA, | KKU-214 | - | in-vitro, | CCA, | KKU-156 | - | in-vitro, | 0-Reserved, | KKU-452 |
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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