For research use only.
Catalog No.S1343 Synonyms: BN52021
CAS No. 15291-77-7
Ginkgolide B (BN52021) is a PAFR antagonist with IC50 of 3.6 μM.
2 Customer Reviews
Functional recovery of forelimb strength (a, c) and rotarod performance (b, d) in 8-week-old wild-type (a, b) and wild-type with SCI (c, d) mice treated with DMSO vehicle solution or GB. Asterisk represents p<0.05, SCI w/GB(10-42dpi) vs. SCI w/DMSO. Number sign represents p<0.05, SCI w/GB(1-10dpi) vs. SCI w/DMSO. Plus sign represents p<0.05, GB(10-42dpi) vs. SCI w/GB (1–10 dpi). The wild-type mice injected with GB for 42 days (n=4) demonstrated similar forelimb strength and rotarod performance as those wild-type mice injected with DMSO vehicle solution (n=4). Compared to the wild-type SCI mice injected with DMSO vehicle solution for 42 days after injury (n=10), administration of GB during the subacute and chronic phases (n=7) showed an enhanced functional recovery than that during the acute inflammatory phase (n=12) after SCI.
Mol Neurobiol, 2015, 53(5):3448-3461. Ginkgolide B purchased from Selleck.
(A) Representative western blot analysis of cleaved PARP, PCNA, activated caspase 3 and β-actin in PC3 cells received irradiation (6 Gy) followed by treatment with 100 μM GB for indicated times (post-irradiation). (B) Representative western blot analysis of cleaved PARP, PCNA, activated caspase 3 and β-actin in PC3 cells treated by 100 μM GB for 48 hours post-irradiation. (C) Caspase 3 activity in PC3 cells treated by 100 μM GB for 24 hours or 48 hours post-irradiation. Signals were normalized to the fluorescence of sham-treated controls (Ctrl). Data represents at least 3 independent experiments. *P < 0.05. (D) Cell cycle distributions in PC3 cells treated by 100 μM GB for 48 hours post-irradiation. Data represents at least 3 independent experiments.
Oncotarget, 2017, 8(8): 13846-13854. Ginkgolide B purchased from Selleck.
Purity & Quality Control
Choose Selective PAFR Inhibitors
|Description||Ginkgolide B (BN52021) is a PAFR antagonist with IC50 of 3.6 μM.|
Ginkgolide B potently inhibits a platelet-activating factor (PAF) receptor.  Treatment of PMN with ginkgolide B (0.5 μM -12 μM) stimulates a rapid and weak production of reactive oxygen species determined by chemiluminescence. Ginkgolide B potentiates the CL response induced by fMet-Leu-Phe and zymosan.  Ginkgolide B induces cyst cell differentiation and alteres the Ras/MAPK signaling pathway.  Ginkgolide B promotes the proliferation and endothelial gene expression, and markedly enhances vascular endothelial growth factor-induced migration response and the capability to incorporate into the vascular networks in EPCs. Ginkgolide B protects EPCs from H2O2-induced cell death. Ginkgolide B induces the phosphorylation of eNOS, Akt and p38, which in turn promotes cell proliferation and function. 
|In vivo||Ginkgolide B (2 μM) significantly inhibits MDCK cyst formation dose dependently, with up to 69% reduction. Ginkgolide B also significantly inhibits cyst enlargement in the MDCK cyst model, embryonic kidney cyst model, and PKD mouse model. Preischemic application of Ginkgolide B (50 mg/kg p.o.) significantly reduces neuronal damage. 30 minutes of pretreatment with Ginkgolide B (100 mg/kg, s. c.) reduces the infarct area in the mouse model of focal ischemia. In primary cultures of hippocampal neurons and astrocytes from neonatal rats, Ginkgolide B (1 μM) protects the neurons against damage caused by glutamate. Ginkgolide B (100 μM) reduces apoptotic damage induced by staurosporine.  In pentobarbitone or ethyl carbamate-anaesthetized animals, Ginkgolide B (1 mg/kg i.v. or 10 mg/kg p.o.) inhibits bronchoconstriction, the hematocrit increase and the accompanying thrombopenia and leukopenia induced by PAF-acether (33 ng/kg–100 ng/kg). Ginkgolide B at a dose of 3 mg/kg reduces the bronchoconstriction induced by aerosolized PAF-acether. Ginkgolide B at a dose of 300 μM also inhibits the superoxide production by PAF-acether-stimulated alveolar macrophages. Ginkgolide B blocks the formation of thromboxane-triggered by PAF-acether (100 ng) injected into perfused lung.Pretreatment of parenchyma lung strips with Ginkgolide B (100 μM) partially inhibits the contraction induced by PAF-acether (0.1 μM) and suppresses the accompanying release of thromboxane.  Ginkgolide B inhibits the maturation of ischemic injury.  Ginkgolide B treatment reveals marked reduction in infarction volume, brain edema and neurological deficits. Ginkgolide B also inhibitsischemia/reperfusion (I/R) induced NF-κB, microglia activation and production of pro-inflammatory cytokines. Ginkgolide B reducesBax protein levels and increases Bcl-2 protein levels in the post-ischemic brains.  Ginkgolide B attenuates platelet aggregation and inhibits phosphatidylinositol 3 kinase (PI3K) activation and Akt phosphorylation in thrombin- and collagen-activated platelets.Ginkgolide B decreases plasma PF4 and RANTES levels in ApoE−/− mice.Ginkgolide B diminishes P-selectin, PF4, RANTES, and CD40L expression in aortic plaque in ApoE−/− mice.Moreover, ginkgolide B suppresses macrophage and vascular cell adhesion protein 1 (VCAM-1) expression in aorta lesions in ApoE−/− mice.|
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|In vitro||DMSO||85 mg/mL (200.28 mM)|
|In vivo||Add solvents to the product individually and in order(Data is from Selleck tests instead of citations):
30% propylene glycol, 5% Tween 80, 65% D5W
For best results, use promptly after mixing.
* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.
In vivo Formulation Calculator (Clear solution)
|Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)|
|Dosage||mg/kg||Average weight of animals||g||Dosing volume per animal||ul||Number of animals|
|Step 2: Enter the in vivo formulation ()|
|% DMSO % % Tween 80 % ddH2O|
Working concentration： mg/ml；
Method for preparing DMSO master liquid: ： mg drug pre-dissolved in μL DMSO (Master liquid concentration mg/mL，)
Method for preparing in vivo formulation：Take μL DMSO master liquid, next addμL PEG300， mix and clarify, next addμL Tween 80，mix and clarify, next add μL ddH2O，mix and clarify.
1.Please make sure the liquid is clear before adding the next solvent.
2.Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.
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