Target intelligence / Profile preview

Adenosine Pathway

Molecular classification
Metabolic Pathway, Signaling Pathway
01

Overview

The adenosine pathway is a network of metabolic and signaling processes involving adenosine, a purine nucleoside. It encompasses adenosine synthesis, metabolism, and receptor-mediated actions, impacting cellular energy, signal transduction, and immune regulation. Key components include enzymes like CD39, CD73, CD38, and ADA, as well as four adenosine receptor subtypes (A1, A2A, A2B, and A3), each with distinct signaling mechanisms and physiological roles. The pathway is implicated in various diseases, including cancer, immunodeficiency, inflammation, cardiovascular diseases, and neurodegeneration, making it a target for therapeutic intervention.

02

Mechanism of action

Modulation of adenosine production, degradation, or receptor activation.

03

Biological functions

Cellular energy transferSignal transductionImmunoregulationNeuromodulationVasodilation
04

Disease associations

CancerImmunodeficiencyInflammationCardiovascular diseasesNeurodegenerationPain syndromesAddiction disorders
05

Safety considerations

Potential for off-target effects due to broad expression of adenosine receptorsRisk of immunosuppression or immune activation depending on the specific target and contextCardiovascular effects due to vasodilation and AV node modulation
06

Interacting drugs

Adenosine

3 more in the full profile.

07

Biomarkers

Extracellular adenosine levelsCD39 expressionCD73 expressionAdenosine receptor expression

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