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In vitro transcription of capped mRNA with modified nucleotides and Poly(A) tail
TSA (Tyramide Signal Amplification), used for signal amplification of ISH, IHC and IC etc.
Separation of phosphorylated and non-phosphorylated proteins without phospho-specific antibody
A convenient and sensitive way for cell proliferation assay and cytotoxicity assay
Protect the integrity of proteins from multiple proteases and phosphatases for different applications.
WWL 70 is a potent inhibitor of α/β-hydrolase domain 6 (ABHD6) with IC50 value of 70 nM [1].
WWL 70 is an O-aryl group-modified derivative of carbamate 18 which is a lead inhibitor of ABHD6 screened out by a functional proteomic strategy. WWL 70 is about 5-fold more potent than carbamate 18. The improved potency makes no difference in selectivity of WWL 70 and carbamate 18 as measured by competitive ABPP with brain membrane proteome. WWL 70 was selective against ABHD6 over other 27 SH activities except for ABHD10 which showed a significant reduction in activity in WWL 70-treated proteomes. However, WWL 70 had no effect on recombinant ABHD10 at concentration of 100 μM, suggesting that ABHD10 was not a real target [1].
References:[1] Li W, Blankman J L, Cravatt B F. A functional proteomic strategy to discover inhibitors for uncharacterized hydrolases. Journal of the American Chemical Society, 2007, 129(31): 9594-9595.
Cell lines
HEK293 cells
Preparation method
The solubility of this compound in DMSO is >10 mM. General tips for obtaining a higher concentration: Please warm the tube at 37 °C for 10 minutes and/or shake it in the ultrasonic bath for a while.Stock solution can be stored below -20°C for several months.
Reaction Conditions
10 μM, 10 min
Applications
Depolarization-induced suppression of excitation (DSE) is a major form of cannabinoid-mediated short-term retrograde neuronal plasticity and is found in numerous brain regions. ABHD6 is not present presynaptically in autaptic neurons and the ABHD6 inhibitor, WWL70, has no effect on the autaptic DSE time course.
Animal models
Male C57BL/6 mice, 25–30 g
Dosage form
WWL70 (5 mg/kg or 10 mg/kg) dissolved in 1% DMSO in physiologic saline was injected intraperitoneally 30 min after TBI, and then once a day for ≥ 7 days depending on the experimental design.
WWL70, a selective ABHD6 inhibitor, improved motor coordination and working memory performance. WWL70 treatment reduced lesion volume in the cortex and neurodegeneration in the dendate gyrus. It also suppressed the expression of inducible nitric oxide synthase and cyclooxygenase-2 and enhanced the expression of arginase-1 in the ipsilateral cortex at 3 and 7 days post-TBI, suggesting microglia/macrophages shifted from M1 to M2 phenotypes after treatment. The blood-brain barrier dysfunction at 3 and 7 days post-TBI was dramatically reduced. Furthermore, the beneficial effects of WWL70 involved up-regulation and activation of cannabinoid type 1 and type 2 receptors and were attributable to the phosphorylation of the extracellular signal regulated kinase and the serine/threonine protein kinase AKT.
Other notes
Please test the solubility of all compounds indoor, and the actual solubility may slightly differ with the theoretical value. This is caused by an experimental system error and it is normal.
References:
1. Straiker A1, Hu SS, Long JZ et al. Monoacylglycerol lipase limits the duration of endocannabinoid-mediated depolarization-induced suppression of excitation in autaptic hippocampal neurons. Mol Pharmacol. 2009 Dec;76(6):1220-7.
2. Tchantchou F1, Zhang Y. Selective inhibition of alpha/beta-hydrolase domain 6 attenuates neurodegeneration, alleviates blood brain barrier breakdown, and improves functional recovery in a mouse model of traumatic brain injury. J Neurotrauma. 2013 Apr 1;30(7):565-79.
