20140  12-oxo Leukotriene B4

12-oxo LTB4; 12-keto LTB4 (CAS 136696-10-1)




For active pharmaceutical ingredients (APIs) related to 12-oxo Leukotriene B4, see Cayman Pharma

Leukotriene B4 (LTB4) is a dihydroxy fatty acid derived from arachidonic acid through the 5-LO pathway. It promotes a number of leukocyte functions including aggregation, stimulation of ion fluxes, enhancement of lysosomal enzyme release, superoxide anion production, chemotaxis, and chemokinesis. 12-oxo LTB4 is an initial metabolite of LTB4 formed via the LTB4 12-hydroxydehydrogenase pathway.1,2,3 It is rapidly converted to 10,11-dihydro-12-oxo-LTB4, followed by reduction of the 12-oxo group to give 10,11-dihydro-LTB4.2 12-oxo-LTB4 (EC50 = 33 nM) is about 70-fold less potent than LTB4 (EC50 = 0.46 nM) at stimulating Ca2+ mobilization in human neutrophils.4 It is also significantly less potent than LTB4 at stimulating neutrophil migration with EC50 values of 170 and 2.7 nM for 12-oxo-LTB4 and LTB4, respectively.4
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Pricing Information

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25 µg €161.00
50 µg €306.00
100 µg €579.00
500 µg €2,573.00
Pricing updated 2013-05-24.
Prices are subject to change without notice.