alleen voor onderzoeksdoeleinden
Cat.nr.: S1118
Chemische structuur
| Gerelateerde doelwitten | Akt mTOR GSK-3 ATM/ATR DNA-PK AMPK PDPK1 PTEN PP2A PDK |
|---|---|
| Overig PI3K Inhibitoren | GDC-0077 (Inavolisib) SAR405 Quercetin (Sophoretin) LY294002 Tersolisib (STX-478) Buparlisib (BKM120) 740 Y-P (PDGFR 740Y-P) GO-203 TFA Eganelisib (IPI-549) Paxalisib (GDC-0084) |
| Molecuulgewicht | 448.52 | Formule | C21H16N6O2S2 |
Opslag (vanaf de datum van ontvangst) | |
|---|---|---|---|---|---|
| CAS-nr. | 956958-53-5 | SDF downloaden | Opslag van stamoplossingen |
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| Synoniemen | SAR245408 | Smiles | CC1=CC=C(C=C1)S(=O)(=O)NC2=NC3=CC=CC=C3N=C2NC4=CC5=NSN=C5C=C4 | ||
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In vitro |
DMSO
: 3 mg/mL
(6.68 mM)
Water : Insoluble Ethanol : Insoluble |
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In vivo |
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Stap 1: Voer onderstaande informatie in (Aanbevolen: een extra dier om rekening te houden met verlies tijdens het experiment)
Stap 2: Voer de in vivo formulering in (Dit is alleen de calculator, geen formulering. Neem eerst contact met ons op als er geen in vivo formulering is in de sectie oplosbaarheid.)
Berekeningsresultaten:
Werkconcentratie: mg/ml;
Methode voor het bereiden van DMSO-moedervloeistof: mg geneesmiddel vooropgelost in μL DMSO ( Concentratie moedervloeistof mg/mL, Neem eerst contact met ons op als de concentratie de DMSO-oplosbaarheid van de batch van het geneesmiddel overschrijdt. )
Methode voor het bereiden van in vivo formulering: Neem μL DMSO moedervloeistof, voeg daarna toeμL PEG300, mengen en verhelderen, daarna toevoegenμL Tween 80, mengen en verhelderen, daarna toevoegen μL ddH2O, mengen en verhelderen.
Methode voor het bereiden van in vivo formulering: Neem μL DMSO moedervloeistof, voeg daarna toe μL Maïsolie, mengen en verhelderen.
Opmerking: 1. Zorg ervoor dat de vloeistof helder is voordat u het volgende oplosmiddel toevoegt.
2. Zorg ervoor dat u het/de oplosmiddel(en) in de juiste volgorde toevoegt. U moet ervoor zorgen dat de verkregen oplossing, bij de vorige toevoeging, een heldere oplossing is voordat u verdergaat met het toevoegen van het volgende oplosmiddel. Fysieke methoden zoals vortexen, ultrasoon of een warmwaterbad kunnen worden gebruikt om het oplossen te bevorderen.
| Targets/IC50/Ki |
PI3Kγ
(Cell-free assay) 23 nM
PI3Kδ
(Cell-free assay) 36 nM
PI3Kα
(Cell-free assay) 39 nM
PI3Kβ
(Cell-free assay) 383 nM
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| In vitro |
XL147 analogue inhibits class I PI3K isoforms in an ATP-competitive manner. In a panel of HER2-overexpressing human breast cancer cell lines, treatment with this compound abrogates AKT and S6 phosphorylation but also induces the expression and phosphorylation of HER3 and other RTKs. In HER2+ cells, phosphorylation of HER3 is maintained by the HER2 tyrosine kinase, leading to partial recovery of phosphorylated AKT (pAKT) and thereby limiting the antitumor action of this chemical. In addition, knockdown of HER3 or treatment with the anti-HER2 agents trastuzumab or lapatinib sensitizes HER2+ breast cancer cells to this agent in vitro and in vivo. Treatment with this inhibitor inhibits the monolayer growth of all tested cell lines, including BT474, HCC1937 et al. in a dose-dependent manner. The main effect of this compound is inhibition of cell proliferation. It induces cell death at the concentration of 20 μM. Treatment with this chemical leads to dose-dependent inhibition of PI3K. Consistent with the inhibition of cell proliferation, it induces a reduction in cyclin D1 and pRB and an increase in levels of the CDK inhibitor p27KIPI but no detectable change in levels off total or cleaved poly (ADP-ribose) polymerase (PARP). Treatment with this agent leads to a dose-dependent reduction in pAKTS473/T308 and pS6S240/244. Surprisingly, it also triggers up-regulation of total HER3 and/or pHER3Y1289 levels. In HER2-overexpressing cells, inhibition of PI3K is followed by up-regulation of expression and phosphorylation of multiple receptor tyrosine kinases, including HER3. Knockdown of FoxO1 and FoxO3a transcription factors prevents the induction of HER3, InsR, IGF1R, and FGFR2 mRNAs upon inhibition of PI3K. In HER2+ cells, knockdown of HER3 with siRNA or cotreatment with the HER2 inhibitors trastuzumab or lapatinib enhances XL147-induced cell death and inhibition of pAKT and pS6.
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| In vivo |
Athymic mice with BT474 xenografts are randomly treated with XL147 analogue, lapatinib, trastuzumab, or this compound plus each HER2 antagonist. Each monotherapy significantly inhibtis tumor growth with trastuzumab being the only agent that induced a complete tumor regression in one of eight mice. Both combinations are superior to the respective drugs given alone. Notably, the combination of trastuzumab and this chemical, but not lapatinib and XL147, induces a complete tumor response in three of eight mice. There is no marked drug-related toxicity in any of the treatment arms. The combination of this compound plus trastuzumab prevents pHER3 more potently than any of the other treatments. In good agreement with differences in tumor growth among treatment arms, nuclear pAKT is lower in tumors treated with XL147 plus lapatinib or this chemical plus trastuzumab compared with tumors treated with single agents. Of all three single drugs, this compound is the only one shown statistically to repress nuclear pAKT levels. There are no detectable changes in cytoplasmic pAKT levels. Combined inhibition of HER2 and PI3K in HER2-dependent xenografts is required to maximally inhibit signaling output of the PI3K/AKT pathway.
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Referenties |
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(gegevens van https://clinicaltrials.gov, bijgewerkt op 2024-05-22)
| NCT-nummer | Werving | Aandoeningen | Sponsor/medewerkers | Startdatum | Fasen |
|---|---|---|---|---|---|
| NCT01943838 | Completed | Neoplasm Malignant |
Sanofi |
October 2013 | Phase 1 |
| NCT01436565 | Completed | Solid Tumor Cancers |
Sanofi|Merrimack Pharmaceuticals |
November 2011 | Phase 1 |
| NCT01392924 | Completed | Neoplasm Malignant |
Sanofi |
August 2011 | Phase 1 |
| NCT01357330 | Completed | Solid Tumors |
Sanofi |
May 2011 | Phase 1 |
| NCT01240460 | Completed | Glioblastoma|Astrocytoma Grade IV |
Sanofi |
January 2011 | Phase 1 |