New Synthetic Direct Thrombin Inhibitors: Molecular Design and Experimental Verification
Author Information
Author(s): Sinauridze Elena I., Romanov Alexey N., Gribkova Irina V., Kondakova Olga A., Surov Stepan S., Gorbatenko Aleksander S., Butylin Andrey A., Monakov Mikhail Yu., Bogolyubov Alexey A., Kuznetsov Yuryi V., Sulimov Vladimir B., Ataullakhanov Fazoyl I.
Primary Institution: National Research Center for Hematology, Russian Academy of Medical Sciences, Moscow, Russia
Hypothesis
The design, synthesis and experimental testing of new safe and effective small molecule direct thrombin inhibitors for intravenous administration.
Conclusion
The high efficacy, stability and low acute toxicity reveal that the inhibitors that were developed may be promising for potential medical applications.
Supporting Evidence
- New compounds that are effective direct thrombin inhibitors were discovered.
- The best inhibitor had a KI of less than 1 nM.
- LD50 values for the best new inhibitors ranged from 166.7 to over 1111.1 mg/kg.
- The inhibitors remained stable at long-term storage over more than 1.5 years.
- A plasma-substituting solution with one of the new inhibitors prevented hypercoagulation in a rat model.
- The inhibitors showed low acute toxicity in mice.
- Activities of the best new inhibitors were stable after sterilization by autoclaving.
- The study demonstrated the potential for medical applications of the new inhibitors.
Takeaway
Scientists created new medicines that can stop blood from clotting too much, which is important for treating certain health problems.
Methodology
Computer-aided molecular design was used to create new thrombin inhibitors, which were then synthesized and tested for their ability to inhibit thrombin in vitro and in vivo.
Potential Biases
Potential bias in the selection of compounds for testing and the interpretation of results.
Limitations
The study primarily focused on in vitro and in vivo models, which may not fully represent human responses.
Participant Demographics
Male outbred white rats weighing 250–450 g were used for in vivo testing.
Statistical Information
P-Value
<1 nM
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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