ChemicalBook >?? ???? >XE 991 dihydrochloride
XE 991 dihydrochloride
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XE 991 dihydrochloride ??
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- Store at -20°C
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- DMF:PBS(pH 7.2)(1:1): 0.5 mg/mL; DMSO: 2 mg/mL
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- Off-white to light yellow
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The KCNQ potassium channels are neuronal modulators which combine with other KQT or KCNE channels to form heteromultimers. XE 991 is a blocker of KCNQ channels that potently inhibits KCNQ1 and 2 homomeric channels (IC50 = 0.75 and 0.71 μM, respectively) as well as KCNQ2+3 heteromultimers (IC50 = 0.6 μM). It much less effectively blocks eag, erg, and elk channels. The effectiveness of XE 991 against KCNQ channels depends on partners or accessory proteins. Through these actions, XE 991 enhances acetylcholine release from rat brain slices (EC50 = 490 nM) and shows good in vivo potency and duration of action, suggesting utility in Alzheimer’s disease therapeutics. While early studies focused on actions in the central nervous system, XE 991 can be used to explore the roles of KCNQ channels in neuronal regulation throughout the body.??
XE 991 dihydrochloride is a potent & selective inhibitor of KCNQ voltage-gated K-channels.XE 991 dihydrochloride ?? ?? ? ???
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XE 991 dihydrochloride ?? ??
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