Related Experiment Video
Updated: Jan 7, 2026

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
Published on: December 11, 2016
Drug Development
JiMin Kim1,2, Dohui Ku1,2, InWook Park1,2
1Yonsei Institute of Pharmaceutical Sciences, Incheon, Incheon, Korea, Republic of (South).
Background:
Abnormal accumulation of amyloid-β (Aβ) aggregates in the brain is a prominent pathology in Alzheimer's disease (AD). This phenomenon is strongly associated with cognitive deficits resulting from neuroinflammation and synaptic dysfunction. Recent studies in AD therapeutics development have highlighted the prospect of reducing amyloid burden in treating AD patients as a promising treatment strategy, prompting the development of small molecule drugs capable of inducing chemical dissociation and clearance of Aβ.
Method:
Herein, we synthesized a chemical library of new chemical entities and selected a compound, IK-9j, that demonstrated profound Aβ clearance efficacy via thioflavin T assays and dot blot analyses. The potential therapeutic efficacy of IK-9j was evaluated utilizing an Aβ42-infused mouse model.
Result:
The IK-9j-treated group exhibited significantly higher levels of short- and long-term memory compared to the non-treated group.
Conclusion:
Collectively, these results underscore the potential of IK-9j as a novel small-molecule therapeutic to mitigate Aβ-associated cognitive deficits in AD.
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