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Identification of Mediators of T-cell Receptor Signaling via the Screening of Chemical Inhibitor Libraries
Published on: January 22, 2019
2,3-Diaminopyrazines as Rho kinase inhibitors
Alan J Henderson1, Mark Hadden, Cheng Guo
1AMRI, 26 Corporate Circle, PO Box 15098, Albany, NY 12212-5098, USA. Alan.Henderson@amriglobal.com
Rho kinase (ROCK) inhibition is key for treating diseases like glaucoma. Researchers developed a novel ROCK inhibitor, compound 38, through structure-activity relationship studies and tested its efficacy in preclinical models.
Area of Science:
- Pharmacology
- Medicinal Chemistry
- Ophthalmology
Background:
- Rho kinase (ROCK) is a validated therapeutic target for various diseases.
- ROCK inhibition is particularly relevant for managing glaucoma.
Purpose of the Study:
- To report the structure-activity relationship (SAR) development of novel ROCK inhibitors.
- To introduce compound 38 as a potent ROCK inhibitor discovered through library screening.
- To evaluate the in vitro and in vivo efficacy of compound 38, including in a glaucoma model.
Main Methods:
- Screening of a kinase inhibitor library to identify initial hits.
- Structure-activity relationship (SAR) studies to optimize lead compounds.
- In vitro assays to assess ROCK inhibition.
- In vivo studies, including a non-human primate model of glaucoma, to evaluate compound 38's efficacy.
Main Results:
- Identification of two initial hits from kinase library screening.
- Optimization of hits through SAR studies led to the discovery of compound 38.
- Compound 38 demonstrated significant ROCK inhibitory activity.
- Preclinical data, including studies in a monkey model of glaucoma, supported compound 38's therapeutic potential.
Conclusions:
- Compound 38 is a novel and potent ROCK inhibitor.
- The developed compound shows promise for the treatment of glaucoma.
- Further investigation of compound 38 is warranted for clinical development.
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