Adenosine

Adenosine is a purine nucleoside that plays a critical role in various physiological and biochemical processes within all living cells. Adenosine is composed of an adenine ring and a ribose sugar<ref>,

 Adenosine: A key link between metabolism and brain activity, 
 Neuron, 
 2013,
 
 
 
 
 
 
 Full text,</ref>.

Adenosin

Biological Role

Adenosine is an integral component of key biomolecules including DNA, RNA, and various adenosine phosphates such as adenosine monophosphate (AMP), adenosine diphosphate (ADP) and adenosine triphosphate (ATP). ATP is particularly important, as it serves as the primary energy currency of the cell, driving a multitude of biochemical reactions<ref>,

 The role of adenosine in the regulation of sleep, 
 Current Neuropharmacology, 
 2009,
 
 
 
 
 
 
 Full text,</ref>.

Adenosine in Signaling

Adenosine also functions as a signaling molecule by binding to specific adenosine receptors, which are a class of G protein-coupled receptors. It plays a role in the central nervous system, contributing to processes such as sleep regulation, and it has anti-inflammatory effects. Furthermore, adenosine plays a role in coronary vasodilation<ref>,

 Adenosine receptors: therapeutic aspects for inflammatory and immune diseases, 
 Nature Reviews Drug Discovery, 
 2008,
 
 
 
 
 
 
 Full text,</ref>.

Clinical Implications

Clinically, adenosine is used in the treatment of certain types of supraventricular tachycardia. Adenosine's ability to slow down heart rate through its action on the AV node makes it useful in this context<ref>

Adenosine: electrophysiologic effects and therapeutic use for terminating paroxysmal supraventricular tachycardia(link). {{{website}}}. Circulation.

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See Also

• Purine Metabolism
• Nucleic Acids
• Adenosine Deaminase

References

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External Links

MedlinePlus - Adenosine Britannica - Adenosine

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