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| Baicalin is a flavone glycoside, it is a flavonoid. It is the glucuronide of baicalein.
Baicalin is a flavonoid glycoside derived from plants in the genus Scutellaria. It has anxiolytic, anti-cancer and anti-viral properties, and is used in traditional Chinese medicine. Baicalein and baicalin are chemically related, with baicalin being essentially a conjugated (sugar-attached) form of baicalein. This conjugation can modify their biological functions and impacts, making them distinct in certain aspects even though they share several pharmacological properties. baicalin is often hydrolyzed by gut β-glucuronidase to baicalein (aglycone) and then extensively converted to phase-II conjugates (glucuronides/sulfates), which constrains systemic “free” levels after oral dosing. In cancer models, baicalin/baicalein are reported to modulate NF-κB, PI3K/AKT/mTOR, MAPK, and related programs, with downstream effects on cell-cycle arrest, apoptosis, invasion/EMT, and angiogenesis (model-dependent). Baicalein appears to be antioxidant in normal cells (low Cu). In vitro, baicalein can participate in copper-dependent redox cycling under high Cu conditions, leading to ROS generation. Whether this mechanism contributes meaningfully in vivo remains model-dependent. (higher Cu levels) (May applies to other plant polyphenols as well: Ex apigenin, luteolin, EGCG, and resveratrol). Pathways: Apoptosis Pathways (Intrinsic/Mitochondrial): NF-κB Inhibition : PI3K/Akt/mTOR Signaling Pathway downregulate : MAPK/ERK and JNK Signaling Pathways: STAT3 Signaling: (inhibit) Wnt/β-Catenin Signaling Pathway: (suppress) Other Pathways and Effects: • Cell Cycle Arrests (commonly G0/G1 or G2/M) • Anti-angiogenic Effects: By inhibiting VEGF • Modulation of Oxidative Stress: Balancing reactive oxygen species (ROS) levels in cancer cells can also contribute to its antitumor effects. • In normal cells or under conditions of oxidative stress, baicalin has been shown to act as an antioxidant. • In cancer cells, baicalin may increase ROS levels, triggering apoptosis. Lower doses of baicalin might favor antioxidant responses, whereas higher concentrations could lead to ROS accumulation in cancer cells. Redox effects are concentration- and context-dependent; antioxidant behavior predominates in non-tumor oxidative stress models, whereas ROS increases have been reported in some tumor systems at higher concentrations. • If copper levels are elevated in a cancer cell, the additional ROS generated via copper-mediated reactions may synergize with baicalin’s pro-oxidant effects (if observed at higher doses) to exceed the threshold for cancer cell survival. • Conversely, in normal cells with tightly regulated copper levels, baicalin’s antioxidant properties may help in quenching excess ROS or maintaining redox balance. -IC50 in cancer cell lines: Approximately 50–200 µM (with some variability depending on the cell type). • IC50 in normal cell lines: Generally higher, often exceeding 200 µM, though values will vary with experimental conditions. Many in-vitro IC50 values exceed achievable systemic concentrations after oral dosing without advanced formulation. Low oral bioavailability: classic rat PK reports very low absolute BA bioavailability and evidence of enterohepatic cycling
Time-Scale Flag (TSF): P / R / G
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| 1029- | Ba, | BA, | Baicalein and baicalin promote antitumor immunity by suppressing PD-L1 expression in hepatocellular carcinoma cells |
| - | vitro+vivo, | HCC, | NA |
| 1098- | BA, | Baicalein inhibits fibronectin-induced epithelial–mesenchymal transition by decreasing activation and upregulation of calpain-2 |
| - | in-vitro, | Nor, | MCF10 | - | in-vivo, | NA, | NA |
| 2291- | Ba, | BA, | Baicalein and Baicalin Promote Melanoma Apoptosis and Senescence via Metabolic Inhibition |
| - | in-vitro, | Melanoma, | SK-MEL-28 | - | in-vitro, | Melanoma, | A375 |
| 2292- | Ba, | BA, | Baicalin and baicalein in modulating tumor microenvironment for cancer treatment: A comprehensive review with future perspectives |
| - | Review, | Var, | NA |
| 2389- | BA, | Baicalin alleviates lipid accumulation in adipocytes via inducing metabolic reprogramming and targeting Adenosine A1 receptor |
| - | in-vitro, | Obesity, | 3T3 |
| 2473- | BA, | Baicalin Inhibits EMT through PDK1/AKT Signaling in Human Nonsmall Cell Lung Cancer |
| - | in-vitro, | Lung, | A549 | - | in-vitro, | Nor, | BEAS-2B | - | in-vitro, | Lung, | H460 |
| 2604- | Ba, | BA, | Comparison of metabolic pharmacokinetics of baicalin and baicalein in rats |
| - | in-vivo, | Nor, | NA |
| 2605- | Ba, | BA, | Potential therapeutic effects of baicalin and baicalein |
| - | Review, | Var, | NA | - | Review, | Stroke, | NA | - | Review, | IBD, | NA | - | Review, | Arthritis, | NA | - | Review, | AD, | NA | - | Review, | Park, | NA |
| 4276- | BA, | Baicalin Attenuates Oxygen–Glucose Deprivation/Reoxygenation–Induced Injury by Modulating the BDNF-TrkB/PI3K/Akt and MAPK/Erk1/2 Signaling Axes in Neuron–Astrocyte Cocultures |
| - | in-vivo, | Stroke, | NA |
| 5248- | Ba, | BA, | doxoR, | Baicalin and Baicalein Enhance Cytotoxicity, Proapoptotic Activity, and Genotoxicity of Doxorubicin and Docetaxel in MCF-7 Breast Cancer Cells |
| - | in-vitro, | BC, | MCF-7 | - | in-vitro, | Nor, | HUVECs |
| 5249- | Ba, | BA, | Baicalein and baicalin in cancer therapy: Multifaceted mechanisms, preclinical evidence, and translational challenges |
| - | Review, | Var, | NA |
| - | in-vitro, | CRC, | HCT116 | - | in-vitro, | CRC, | LoVo | - | in-vivo, | CRC, | HCT116 |
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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