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Kinase Inhibitor Screening In Self-assembled Human Protein Microarrays
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Temperature does matter-an additional dimension in kinase inhibitor development.

Miriam Strauch1, Florian Heyd1

  • 1Laboratory of RNA Biochemistry, Institute of Chemistry and Biochemistry, Freie Universitaet Berlin, Germany.

The FEBS Journal
|September 18, 2020
PubMed
Summary
This summary is machine-generated.

Temperature significantly impacts kinase activity and inhibitor effectiveness. Screening potential kinase inhibitors at physiological temperatures is crucial to avoid false positives and negatives, as demonstrated with an antimalaria compound targeting CLK3.

Keywords:
Plasmodium falciparumCLKbody temperaturehigh-throughput inhibitor screeninhibitorkinasemalaria

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Area of Science:

  • Biochemistry
  • Pharmacology
  • Drug Discovery

Background:

  • Kinase inhibitors are critical in modern drug development.
  • Physiological temperature fluctuations can significantly alter kinase activity and specificity.
  • Current high-throughput screening methods often overlook temperature's role.

Purpose of the Study:

  • To emphasize the importance of temperature in kinase inhibitor screening.
  • To highlight potential inaccuracies in screening performed at non-physiological temperatures.
  • To present a case study of temperature-sensitive kinase inhibition.

Main Methods:

  • Review of existing literature on kinase inhibitor screening.
  • Analysis of temperature-dependent kinase activity.
  • Case study of Plasmodium falciparum CDC2-like kinase 3 (CLK3) inhibition.

Main Results:

  • Subtle temperature shifts in the physiological range profoundly affect kinase function.
  • Screening at room temperature or 30°C may yield inaccurate results (false positives/negatives).
  • A novel antimalaria compound's efficacy is linked to its inhibition of temperature-sensitive CLK3.

Conclusions:

  • Temperature is an essential, yet often neglected, parameter in kinase inhibitor screening.
  • Incorporating physiological temperature considerations can improve the accuracy and reliability of drug discovery.
  • Understanding temperature sensitivity is key for developing effective therapeutics, such as antimalarials targeting CLK3.