Size | Price | Stock |
---|---|---|
5mg | $70 | In-stock |
10mg | $130 | In-stock |
50mg | $450 | In-stock |
100mg | $750 | In-stock |
200 mg | Get quote | |
500 mg | Get quote | |
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Cat. No. : | HY-10009 |
M.Wt: | 361.44 |
Formula: | C19H27N3O4 |
Purity: | >98 % |
Solubility: | DMSO : ≥ 100 mg/mL (276.67 mM) |
Semagacestat is a γ-secretase inhibitor, inhibits β-amyloid (Aβ42), Aβ38 and Aβ40 with IC50s of 10.9, 12 and 12.1 nM, respectively; also inhibits Notch signaling with IC50 of 14.1 nM. Semagacestat can be used for the research of alzheimer's disease[1].
IC50 & Target: IC50: 10.9 nM (Aβ42), 12 nM (Aβ38), 12.1 nM (Aβ40), 14.1 nM (Notch)[1]
In Vitro: Semagacestat (LY450139) reduces the secretion of Aβ42, Aβ40, and Aβ38 in 96-well-cultured media and increases β-CTF in cell lysates as expected, although this increase is unexpectedly attenuated at high concentrations[1].
In cortical neurons (CTX), Semagacestat (LY450139) causes a concentration-dependent decrease in Aβ40 secreted into the medium with IC50 value 111 nM for Semagacestat. Semagacestat causes a concentration-dependent decrease in Aβ40 and Aβ42 secreted into the medium with an IC50 value of 126 and 130 nM, respectively[2].
Semagacestat (3 Μm; for 4 days) exhibits no significant cell toxicity in Huh7 cells[5].
In Vivo: Semagacestat (LY450139) is found to decrease both Aβ42 and Aβ40 at 10 mg/kg (22-23% reduction;p<0.01) and increase β-CTF at 0.3-10 mg/kg in a dose-dependent manner (15-162% elevation; p<0.01 at 1-10 mg/kg)[1]. The γ-secretase inhibitor, Semagacestat (LY450139), a highly potent low molecular weight compound, significantly reduces β-amyloid (Aβ) levels in cell cultures permanently over-expressing APP and in both wildtype and transgenic APP-expressing mice. Three hours following p.o. dosing of 30 mg/kg Semagacestat levels of Aβ40 are reduced by 43% (unpaired t-test, p=0.002) in the brains of wildtype C57BL/6 mice compare with vehicle treated controls. Subcutaneous administration of Semagacestat (30 mg/kg) transiently decreases the amounts of Aβ40 in the dialysate with a maximum reduction in Aβ40 levels of 80% at 3 h post-dosing (p<0.001)[2].
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