Neflamapimod (VX-745) is a potent, blood-brain barrier penetrant, highly selective inhibitor ofp38αinhibitor with anIC₅₀forp38αof 10 nM and forp38βof 220 nM. Neflamapimod (VX-745) possesses anti-inflammatory activity.

Neflamapimod (VX-745) exhibits PBMC IL-1β and TNFα IC₅₀values of 45 and 51 nM, respectively. Neflamapimod is also effective in whole blood, blocking IL-1β and TNFα release with IC₅₀values of 150 and 180 nM, respectively^[1].
Neflamapimod shows a promising selectivity profile, with 20-fold selectivity for p38α over p38β (K_i=220 nM)^[1].
Neflamapimod (VX-745) solutions in DMSO/DMEM inhibits the IL-6 production with IC₅₀of 15±9 nM^[2].
Neflamapimod (VX-745; 5.0 nM) displays potent activity and 1000-fold selectivity over closely related kinases, including ERK1, JNK1-3 and MK2. Neflamapimod (10 nM-50 μM) increasingly inhibits the anisomycin-induced activity of p38α^[3].
Neflamapimod (VX-745; 0.06 μM-20 μM) inhibits IL-6 and VEGF secretion in BMSCs. Neflamapimod can inhibit cytokine (TNF-α, IL-6, VEGF)-induced paracrine MM cell growth, survival, and drug resistance in the BM microenvironment. Neflamapimod induces modest growth inhibition of MM.1S, RPMI8226, and U266 cell lines in a dose-dependent fashion, with inhibitory concentration of 50% (IC₅₀) of 10 μM^[4].

Neflamapimod (VX-745; 2.5, 5, and 10 mg/kg) improves the inflammatory scores in mice by 27%, 31%, and 44%, respectively^[1]. Neflamapimod (VX-745; 1.06 mg/kg) significantly decreases the inflammation score from 2.07±0.29 for the control group to 1.42±0.06^[2].

436.26

Solid

C₁₉H₉Cl₂F₂N₃OS

209410-46-8

Room temperature in continental US; may vary elsewhere.

DMSO : 13.08 mg/mL(29.98 mM;Need ultrasonic)

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