alisertib

Alisertib (MLN 8237) is a specific Aurora A inhibitor (IC50: 1.2 nM). The selectivity of Alisertib(MLN 8237) is >200-fold higher for Aurora A than Aurora B.

Alisertib sodium hydrate is a salt of Alisertib --- an inhibitor of Aurora A kinase with potential antineoplastic activity. Alisertib binds to and inhibits Aurora A kinase, which may result in disruption of the assembly of the mitotic spindle apparatus, disruption of chromosome segregation, and inhibition of cell proliferation.

Alisertib sodium (MLN 8237) is a potent and specific inhibitor (IC50 = 1.2 nM) of Aurora A kinase, an enzyme involved in cell division. By binding to Aurora A kinase, Alisertib sodium disrupts the formation of the mitotic spindle, causing abnormal cell division. At the molecular level, it acts on the AKT mTOR AMPK p38 pathway, leading to the induction of apoptosis and autophagy in leukemic cells, and exhibits significant antitumor activity.

JB170, a potent and highly specific PROTAC-mediated AURORA-A (Aurora Kinase) degrader (DC50=28 nM), achieves its selectivity by linking Alisertib to the Cereblon-binding molecule Thalidomide. It demonstrates a strong preference for AURORA-A (EC50=193 nM) over AURORA-B (EC50=1.4 µM). The mechanism of JB170 involves S-phase arrest, specifically through AURORA-A depletion, and it is notably effective in inhibiting the non-catalytic functions of AURORA-A kinase [1].

dAURK-4, a derivative of Alisertib, functions as a potent and selective degrader of AURKA (Aurora A), exhibiting anticancer properties [1].