Related Experiment Video
Updated: Jun 18, 2026
10:28
A Semi-High-Throughput Adaptation of the NADH-Coupled ATPase Assay for Screening Small Molecule Inhibitors
Published on: August 17, 2019
Structure-Based Search for Novel Creatine Transporter Inhibitors
Dorota Stary1,2,3, Ali El-Kasaby4, Danila Boytsov4
1Department of Physicochemical Drug Analysis, Faculty of Pharmacy, Jagiellonian University Medical College, Medyczna 9, 30-688 Cracow, Poland.
ACS Medicinal Chemistry Letters
|June 17, 2026
Summary
Researchers developed a computational method to discover inhibitors for the creatine transporter 1 (CT1), a protein linked to neurological disorders and cancer. Compound 11 and other tested molecules showed promising CT1 inhibitory activity, paving the way for new drug designs.
Area of Science:
- Biochemistry
- Structural Biology
- Computational Chemistry
Background:
- Creatine transporter 1 (CT1, SLC6A8) is crucial for cellular energy regulation.
- CT1 dysfunction is implicated in neurological disorders and cancer progression.
- Lack of structural data has hindered the rational design of CT1 inhibitors.
Purpose of the Study:
- To develop a computational framework for identifying CT1 inhibitors.
- To validate computational models with experimental testing.
- To support structure-based drug design for CT1.
Main Methods:
- Construction of CT1 homology models in distinct transport states.
- Integration of models into a structure-based virtual screening workflow.
- In vitro testing of top-ranked compounds, including compound 11, tiagabine (13), and analogue 16.
Main Results:
- Virtual screening identified 16 top-ranked compounds for in vitro testing.
- Compound 11 demonstrated CT1 inhibitory activity with an IC50 comparable to ompenaclid.
- Tiagabine (13) and analogue 16 were also found to inhibit CT1.
- Retrospective analysis showed good agreement between homology models and reported cryo-EM structures.
Conclusions:
- The study presents a successful computational-experimental framework for CT1 inhibitor discovery.
- The findings facilitate future structure-based drug design targeting CT1.
- Identified compounds provide starting points for developing novel therapeutics for CT1-related conditions.
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