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编 号:F747785
分子式:C25H18Cl3FN2O4
分子量:535.78
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Safusidenib (AB-291; DS-1001) is an orally bioavailable, selective mutant IDH1 inhibitor. Safusidenib strongly inhibits mutant IDH1 but not wild-type IDH1. Safusidenib impairs tumor activity in chondrosarcoma. Safusidenib exhibits activity against IDH1R132H, and IDH1R132C with IC50s of 15, and 130 nM in assays without any preincubation, respectively.

体内研究:
Safusidenib (DS-1001b) has antineoplastic activity in JJ012 xenografts. Continuous administration of Safusidenib (mixed with sterilized pellet food and fed continuously for 6 weeks) impairs tumor growth in xenograft mice.Animal Model:NOD-SCID bearing JJ012 xenograft
Dosage:Mixed with sterilized pellet food (CRF-1; Oriental Yeast) and fed ad libitum for 6 weeks.Mixed with sterilized pellet food (CRF-1; Oriental Yeast) and fed ad libitum for 6 weeks.
Administration:Fed continuously starting at 3 weeks
Result:Continuous administration significantly impaired tumor growth in JJ012 xenograft mice.

体外研究:
Safusidenib (DS-1001b) impairs the proliferation of IDH1-mutated chondrosarcoma cell lines and decreases 2-HG levels.Safusidenib impairs the proliferation of IDH1 mutant chondrosarcoma cell lines in a dose-dependent manner, whereas Safusidenib has little effect on the proliferation of the IDH wild-type cell lines OUMS27 and NDCS-1; GI50 values for JJ012, L835, OUMS27, and NDCS-1 cells are 81?nM (day 14), 77?nM (6 weeks), >10?μM (day 10), and >10?μM (day 10), respectively.Safusidenib (1, and 10?μM; for 6 weeks) markedly upregulates SOX9, a key regulator of chondrocyte differentiation, at the protein level.Safusidenib (1 μM) significantly upregulates CDKN1C at the protein level.Safusidenib (DS-1001b) exhibits activity against IDH1 or IDH2 enzymes with IC50s of 8.4, 11, and 180 nM for IDH1R132H, IDH1R132C, and IDH1WT in assays conducted with a 2-hour preincubation step.
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