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PLX5622 is an orally active small-molecule CSF1R inhibitor that selectively depletes microglia in the brains of mice and rats. It is commonly used to establish models related to microglia-associated neuroinflammation, neurodegenerative diseases (such as Alzheimer's disease and Parkinson's disease), brain injury, and neuroimmune regulation.

PLX5622 hemifumarate is a highly selective, blood-brain barrier-permeable, and orally active CSF1R inhibitor with an IC50 of 0.016 μM and a Ki of 5.9 nM. It can be used to eliminate proliferating and specific microglia before and during disease progression and is applicable for inducing Alzheimer's disease models.

RWJ 58643 is a reversible beta-tryptase and trypsin inhibitor. Low-dose RWJ-58643 (100 microg) and budesonide (200 microg) significantly reduced symptoms, eosinophils and levels of IL-5 following NAC. However, higher doses of RWJ-58643 (300 and 600 microg) caused a late eosinophilia and preceding increases in IL-5 compared with placebo.

DAT-230 is a promising microtubule inhibitor that has great potential for the treatment of fibrosarcoma in vitro and in vivo. DAT-230 exhibited potent anti-proliferative activity against various cancer cells. DAT-230 -treatment in HT-1080 cells resulted in microtubule de-polymerization and G2/M phase arrest preceding apoptosis. Phosphor-cdc2 (thr14/tyr15) reduction, cyclin B1 accumulation and aberrant spindles denoted the cyclin B1-cdc2 complex active and M phase arrest in HT-1080 cells treated with DAT-230. Apoptosis induced by DAT-230 was related with the activation of caspase-9, caspase-3 and PARP cleavage, which were at the downstream of mitochondria.