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Prim-O-glucosylcimifugin Catalog No.GN10395

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20mg
$136.00
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Sample solution is provided at 25 µL, 10mM.

Quality Control

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Protocol

Cell experiment:

Cell Counting Kit (CCK-8) is used to determine the cytotoxic concentrations of Prim-O-glucosylcimifugin. In brief, the Raw 264.7 cells are plated at a density of 1×104 cells per well in a 96-well and incubated overnight. Cells are then stimulated with 1 μg/mL LPS and treated with various concentrations of Prim-O-glucosylcimifugin (15, 50, and 100 μg/mL; MedChem Express, Princeton, NJ, USA) or DMSO. After incubation at 37°C for 24 h, CCK-8 solution is added to each well and incubated for another 1 h. The absorbance is measured at 450 nm using a microplate reader[1].

Animal experiment:

Mice[1]BALB/c male mice, 8 weeks old and weighing approximately 18 to 20 g, are used. The mice are randomly divided into five groups: Control group; LPS group; LPS+Prime-O-glucosylcimifugin (2.5, 5 or 10 mg/kg bodyweight). Prime-O-glucosylcimifugin is given intraperitoneally. One hour later, LPS group and LPS+Prime-O-glucosylcimifugin group mice are given 50 μL LPS intranasally (i.n) (200 mg/L) to induce acute lung injury. Control mice are given 50 μL PBS intranasally (i.n) without LPS[1].

References:

[1]. Zhou J, et al. Prim-O-glucosylcimifugin Attenuates Lipopolysaccharideinduced Inflammatory Response in RAW 264.7 Macrophages. Pharmacogn Mag. 2017 Jul-Sep;13(51):378-384.
[2]. Chen N, et al. Prime-O-glucosylcimifugin attenuates lipopolysaccharide-induced acute lung injury in mice. Int Immunopharmacol. 2013 Jun;16(2):139-47.

Chemical Properties

Cas No. 80681-45-4 SDF
Chemical Name (2S)-2-(2-hydroxypropan-2-yl)-4-methoxy-7-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-2,3-dihydrofuro[3,2-g]chromen-5-one
Canonical SMILES CC(C)(C1CC2=C(O1)C=C3C(=C2OC)C(=O)C=C(O3)COC4C(C(C(C(O4)CO)O)O)O)O
Formula C22H28O11 M.Wt 468.45
Solubility ≥46.8mg/mL in DMSO Storage
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
Shipping Condition Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
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Background

Prim-O-glucosylcimifugin exerts anti-inflammatory effects through the inhibition of iNOS and COX-2 expression by through regulating JAK2/STAT3 signaling.

Prim-O-glucosylcimifugin (POG) is the highest content chromone and one of the major active constituents in Radix Saposhnikoviae (RS). Prim-O-glucosylcimifugin exerts anti-inflammatory effects in RAW 264.7 macrophages through the inhibition of iNOS and COX-2 expression by inhibiting JAK2/STAT3 signaling. The cytotoxicity of Prim-O-glucosylcimifugin is measured to LPS-activated Raw 264.7 macrophages. Raw 264.7 macrophages are treated with LPS (1 μg/mL) and increasing concentrations of Prim-O-glucosylcimifugin (15, 50, and 100 μg/mL) for 24 h and cell viability is evaluated by CCK-8 assay. Cell viability is not significantly affected after 24 h and exposure to 15-100 μg/mL Prim-O-glucosylcimifugin as compared with DMSO-treated cells (control). To investigate the anti-inflammatory effect of Prim-O-glucosylcimifugin, whether Prim-O-glucosylcimifugin can affect NO synthesis is examined in LPS-activated RAW 264.7 cells. Macrophages are treated with LPS (1 μg/mL) and various concentrations of Prim-O-glucosylcimifugin (15, 50, and 100 μg/mL) for 24 h. No concentrations are measured in the culture supernatants by Griess reaction. The concentrations of NO in the culture supernatants are markedly increased in response to LPS exposure, and Prim-O-glucosylcimifugin significantly inhibits LPS-induced NO production in a concentration-dependent manner[1].

Bronchoalveolar lavage fluid (BALF) is collected at 7 h after lipopolysaccharide (LPS) administration and thecytokine levels in BALF are measured by ELISA. The levels of TNF-α, IL-1β and IL-6 in BALF are increased dramatically compared with control group. However, pretreatment with Prime-O-glucosylcimifugin (2.5, 5 or 10 mg/kg) significantly down-regulates the levels of TNF-α, IL-1β and IL-6 in a dose-dependent manner (P<0.05, P<0.01)[1].

References:
[1]. Zhou J, et al. Prim-O-glucosylcimifugin Attenuates Lipopolysaccharideinduced Inflammatory Response in RAW 264.7 Macrophages. Pharmacogn Mag. 2017 Jul-Sep;13(51):378-384.
[2]. Chen N, et al. Prime-O-glucosylcimifugin attenuates lipopolysaccharide-induced acute lung injury in mice. Int Immunopharmacol. 2013 Jun;16(2):139-47.