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Biased agonism at adenosine receptors
Samantha M McNeill1, Jo-Anne Baltos2, Paul J White1
1Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne, VIC, Australia.
Biased agonism offers a novel strategy to develop safer adenosine receptor drugs. This approach selectively activates therapeutic pathways, overcoming limitations of previous drug candidates for conditions like cardiovascular disease and cancer.
Area of Science:
- Pharmacology
- Molecular Biology
- Drug Discovery
Background:
- Adenosine receptors (A1R, A2AR, A2BR, A3R) are key regulators of human physiology and disease.
- Existing adenosine receptor ligands often face clinical trial failures due to limited efficacy or severe side effects.
Purpose of the Study:
- To review advancements in biased agonism for adenosine receptors.
- To explore harnessing biased agonism for therapeutic benefit.
Main Methods:
- Review of recent scientific literature on adenosine receptor biased agonism.
- Analysis of structure-function relationships underpinning biased agonism.
Main Results:
- Biased agonism allows for selective activation of therapeutic signaling pathways.
- This approach can mitigate on-target undesired effects associated with traditional ligands.
Conclusions:
- Biased agonism represents a promising strategy to overcome clinical translation barriers for adenosine receptor-targeting drugs.
- Further research into structure-function relationships will enable the development of safer and more effective therapeutics.
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