For research use only. Not for therapeutic Use.
ISA-2011B is a PIP5K1α inhibitor with promising anticancer effects .
The proliferation rate of PC-3 cells after treatment with ISA-2011B at 10, 20, and 50 μM is significantly reduced to 58.77%, 48.65%, and 21.62% of vehicle-treated controls, respectively. ISA-2011B exhibits the highest binding affinity to PIP5K1α, and to MAP/microtubule affinity-regulating kinase 1 and 4 (MARK1 and MARK4) across 460 kinases. ISA-2011B treatment inhibits PIP5K1α expression by 78.6% in PC-3 cells[1]. ISA-2011B leads to a remarkable reduction in AR-V7 and CDK1 in both nucleus and cytoplasm of 22Rv1 cells. ISA-2011B treatment also abolishes AR expression in the nucleus, without depleting the cytoplasmic AR[2].
ISA-2011B significantly inhibits growth of tumor cells in xenograft mice, and is mediated by targeting PIP5K1α-associated PI3K/AKT and the downstream survival, proliferation, and invasion pathways[1]. Overexpression of AR-V7 increases PIP5K1α, promotes rapid growth of PCa in xenograft mice, whereas inhibition of PIP5K1α by its inhibitor ISA-2011B suppresses the growth and invasiveness of xenograft tumors overexpressing AR-V7. ISA-2011B disrupts protein stabilization of AR-V7 which is dependent on PIP5K1α, leading to suppression of invasive growth of AR-V7-high tumors in xenograft mice[2].
| Catalog Number | I006995 |
| CAS Number | 1395347-24-6 |
| Synonyms | (2S,8S)-2-(5-chloro-1H-indol-3-yl)-6-methyl-13,15-dioxa-3,6-diazatetracyclo[8.7.0.03,8.012,16]heptadeca-1(17),10,12(16)-triene-4,7-dione |
| Molecular Formula | C22H18ClN3O4 |
| Purity | ≥95% |
| InChI | InChI=1S/C22H18ClN3O4/c1-25-9-20(27)26-17(22(25)28)4-11-5-18-19(30-10-29-18)7-13(11)21(26)15-8-24-16-3-2-12(23)6-14(15)16/h2-3,5-8,17,21,24H,4,9-10H2,1H3/t17-,21-/m0/s1 |
| InChIKey | FSEZESVJDPKRDS-UWJYYQICSA-N |
| SMILES | CN1CC(=O)N2C(C1=O)CC3=CC4=C(C=C3C2C5=CNC6=C5C=C(C=C6)Cl)OCO4 |
| Reference | [1]. Semenas J, et al. The role of PI3K/AKT-related PIP5K1α and the discovery of its selective inhibitor for treatment of advanced prostate cancer. Proc Natl Acad Sci U S A. 2014 Sep 2;111(35):E3689-98. [2]. Sarwar M, et al. Targeted suppression of AR-V7 using PIP5K1α inhibitor overcomes MDV3100 resistance in prostate cancer cells. Oncotarget. 2016 Sep 27;7(39):63065-63081. |
