FR900359 (Synonyms: UBO-QIC) |
Catalog No.GC49089 |
A cyclic depsipeptide and an inhibitor of Gαq, Gα11, and Gα14
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Cas No.: 107530-18-7
Sample solution is provided at 25 µL, 10mM.
FR900359 is a cyclic depsipeptide that has been found in A. crenata and is an inhibitor of Gαq, Gα11, and Gα14 (IC50s = 13.18, 10.47, and 10 nM, respectively).1,2 It is selective for these Gα subunits over a panel of additional Gα subunits, including Gαs and Gαi, in bioluminescence resonance energy transfer (BRET) assays at 1 µM.3 FR900359 (1 µM) induces relaxation of precontracted isolated mouse tail arteries and inhibits platelet aggregation induced by U-46619 in washed isolated human platelets cultured with aspirin in a concentration-dependent manner.3,4 It induces cell cycle arrest at the G1 phase and reduces proliferation and serum-induced migration of B16 melanoma cells.3 FR900359 (2.5 µg/animal) inhibits airway hyperresponsiveness in a mouse model of house dust mite-induced allergic asthma.5
1.Fujioka, M., Koda, S., Morimoto, Y., et al.Structure of FR900359, a cyclic depsipeptide from Ardisia crenata simsJ. Org. Chem.53(12)2820-2825(1988) 2.Kukkonen, J.P.G-protein inhibition profile of the reported Gq/11 inhibitor UBO-QICBiochem. Biophys. Res. Commun.469(1)101-107(2016) 3.Schrage, R., Schmitz, A.-L., Gaffal, E., et al.The experimental power of FR900359 to study Gq-regulated biological processesNat. Commun.610156(2015) 4.Inamdar, V., Patel, A., Manne, B.J., et al.Characterization of UBO-QIC as a Gαq inhibitor in plateletsPlatelets26(8)771-778(2015) 5.Matthey, M., Roberts, R., Seidinger, A., et al.Targeted inhibition of Gq signaling induces airway relaxation in mouse models of asthmaSci. Transl. Med.9(407)eaag2288(2017)
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