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    Tilianin
    Information
    CAS No. 4291-60-5 Price
    Catalog No.CFN92764Purity>=98%
    Molecular Weight446.1Type of CompoundFlavonoids
    FormulaC22H22O10Physical DescriptionPowder
    Download Manual    COA    MSDSSimilar structuralComparison (Web)
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    According to end customer requirements, ChemFaces provide solvent format. This solvent format of product intended use: Signaling Inhibitors, Biological activities or Pharmacological activities.
    Size /Price /Stock 10 mM * 1 mL in DMSO / Inquiry
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  • Biological Activity
    Description: Tilianin has anti-inflammatory, antiatherogenic, antihypertensive and vasorelaxant activities, mediates relaxation and antihypertension mainly by an endothelium-dependent manner, probably due to NO release, and also through an endothelium-independent pathway by opening K+ channels. Tilianin inhibits the tumor necrotic factor-K (TNF-K)-induced expression of VCAM-1 by 74% and reduces TNF-K-induced activation of nuclear factor-UB in cultured human umbilical vein endothelial cells (HUVECs).
    Targets: 5-HT Receptor | GABA Receptor | ATPase | NO | NOS | Caspase | Bcl-2/Bax | Potassium Channel | P-gp
    In vivo:
    Mol Med Rep. 2015 Mar;11(3):2227-33.
    Cardioprotective effects of tilianin in rat myocardial ischemia-reperfusion injury.[Pubmed: 25405380 ]
    Tilianin, the main effective flavonoid monomer enriched from Dracocephalum moldavuca L., has been shown to have cardioprotective effects. However, the mechanism of Tilianin cardioprotection remains largely unknown. The present study aimed to investigate the effects of Tilianin preconditioning on myocardial ischemia/reperfusion injury and to analyze the possible mechanism of action.
    METHODS AND RESULTS:
    A total of 48 male Sprague Dawley rats were randomized into sham, model myocardial ischemia/reperfusion injury (MI/RI), propranolol hydrochloride positive control, and high‑, medium‑ and low‑dose Tilianin groups (n=8 each). The results showed that Tilianin preconditioning significantly increased ATPase activity (P<0.01 and P<0.05) as compared with the model group. With regards to the regulation of endothelial function, significant decreases (P<0.01 and P<0.05) were detected in the serum NO levels and myocardial NOS activity when Tilianin was administered to MI/RI rats, as compared with the model group, . In addition, the Tilianin drug groups exhibited dose‑dependent reductions in the serum levels of endothelin 1 and thromboxane B2, and increases in the serum levels of calcitonin gene‑related peptide and 6‑keto prostaglandin F1a as compared with the model group (P<0.01 and P<0.05). Notably, the administration of Tilianin significantly inhibited apoptosis, as evidenced by an increase in Bcl‑2 expression, and reductions in Bax and caspase‑3 mRNA expression levels (P<0.01 and P<0.05).
    CONCLUSIONS:
    These data indicate that pretreatment with Tilianin exerts potent cardioprotective effects in rats with MI/RI. The anti‑MI/RI effects comprised relieving calcium overload, correction of energy metabolism, improvement of endothelial function and inhibiting cell apoptosis.
    Biochem Pharmacol. 2009 Jul 1;78(1):54-61.
    Antihypertensive and vasorelaxant effects of tilianin isolated from Agastache mexicana are mediated by NO/cGMP pathway and potassium channel opening.[Pubmed: 19447223]
    Current investigation was undertaken to elucidate the mode of action of Tilianin, isolated from Agastache mexicana, as a vasorelaxant agent on in vitro functional rat thoracic aorta test and to investigate the in vivo antihypertensive effect on spontaneously hypertensive rats (SHR).
    METHODS AND RESULTS:
    Tilianin (0.002-933 microM) induced significant relaxation in a concentration- and endothelium-dependent and -independent manners in aortic rings pre-contracted with noradrenaline (NA, 0.1 microM), and serotonin (5-HT, 100 microM). Furthermore, Tilianin (130 microM) provoked a significant displacement to the left in the relaxation curve induced by sodium nitroprusside (SNP; 0.32 nM to 0.1 microM). Moreover, Tilianin induced significant in vitro NO overproduction (1.49 +/- 0.86 microM of nitrites/g of tissue) in rat aorta compared with vehicle (p < 0.05). In addition, pre-treatment with tetraethylammonium (TEA, 5 mM) and 2-aminopyridine (2-AP, 0.1 microM) shifted to the right the relaxant curve induced by Tilianin (p < 0.05). Finally, a single oral administration of Tilianin (50 mg/kg) exhibited a significant decrease in systolic and diastolic blood pressures (p < 0.05) in SHR model.
    CONCLUSIONS:
    Results indicate that Tilianin mediates relaxation mainly by an endothelium-dependent manner,probably due to NO release, and also through an endothelium-independent pathway by opening K+ channels, both causing the antihypertensive effect.
    Zhongguo Zhong Yao Za Zhi. 2013 Apr;38(7):1079-82.
    Study on intestinal absorption of tilianin in rats of single-pass perfusion model.[Pubmed: 23847962]
    To study the intestinal absorption mechanism of Tilianin in rats.
    METHODS AND RESULTS:
    The single-pass perfusion model was established in rats. The concentrations of Tilianin with in situ intestinal perfusion were determined by HPLC. The impact factors, such as verapamil, reserpine, phloridzin and rifampicin, on Ka and Papp of Tilianin in rat jejunum were investigated. Compared with the control group, Ka and Papp in rat jejunum were significantly higher after being added with verapamil and reserpine (P < 0.05). Papp of Tilianin in rat jejunum was significantly lower after being added with phloridzin (P < 0.05). Compared with the control group, both Ka and Papp of Tilianin in rat jejunum were not significantly higher after being added with rifampicin.
    CONCLUSIONS:
    Tilianin is the substrate of P-gp, BCRP and SGLT1. The effluent effect of P-gp and BCRP is the main mechanism of Tilianin in intestinal absorption, indicating that Tilianin can realize intestinal absorption and transport by relying on SGLT1. Tilianin is not the substrate of bile salt transporter protein.
    Tilianin Description
    Source: The leaves of Tilia japonica.
    Solvent: DMSO, Pyridine, Methanol, Ethanol, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 2.2416 mL 11.2082 mL 22.4165 mL 44.833 mL 56.0412 mL
    5 mM 0.4483 mL 2.2416 mL 4.4833 mL 8.9666 mL 11.2082 mL
    10 mM 0.2242 mL 1.1208 mL 2.2416 mL 4.4833 mL 5.6041 mL
    50 mM 0.0448 mL 0.2242 mL 0.4483 mL 0.8967 mL 1.1208 mL
    100 mM 0.0224 mL 0.1121 mL 0.2242 mL 0.4483 mL 0.5604 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    Protocol
    Animal Research:
    Asian Pac J Trop Med. 2015 Mar;8(3):185-90.
    Depressant effects of Agastache mexicana methanol extract and one of major metabolites tilianin.[Pubmed: 25902158]
    To determine the depressant-like effects and the possible mechanism of action of Tilianin isolated from active methanol extract of Agastache mexicana (A. mexicana). Also, to establish the pharmacophoric requirements of Tilianin, as a possible ligand of GABAA/BZD receptor, by the alignment of diazepam, CGS-9896 and diindole, using a previously described pharmacophoric model.
    METHODS AND RESULTS:
    Tilianin (30 to 300 mg/kg, ip. and 300 mg/kg, po.) and methanol crude extract (10 to 300 mg/kg, ip. and 300 mg/kg po.) from A. mexicana were evaluated for potential sedative and anxiolytic-like response drugs by using open-field, hole-board, cylinder of exploration, plus-maze and sodium pentobarbital-induced hypnosis mice methods. Methanol extract and Tilianin showed anxiolytic-like activity from a dosage of 30 mg/kg, ip. or 300 mg/kg, po. and were less potent than diazepam 0.1 mg/kg, a reference anxiolytic drug used. Moreover, depressant activity of both potentiates sodium pentobarbital (SP)-induced sleeping time. The anxiolytic-like effect of 30 mg/kg ip. observed for the extract and Tilianin, by using the plus-maze model, was partially prevented in the presence of flumazenil (a GABAA/BZD antagonist, 5 mg/kg ip.) but not in the presence of WAY 100635 (a selective 5-HT1A receptor antagonist, 0.32 mg/kg, ip.). Pharmacophoric modeling alignments of three agonist of GABAA/BZD allow identify seven chemical features. Tilianin contains six of the seven features previously determined.
    CONCLUSIONS:
    Results indicate that Tilianin is one of the bioactive metabolites in the anxiolytic-like activity of A. mexicana, reinforcing its central nervous system uses, where GABAA/BZD, but not 5-HT1A, receptors are partially involved.