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Additional
adenosine
English Wikipedia - The Free Encyclopedia
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Adenosine
Adenosine
is a
purine
nucleoside
composed of a
molecule
of
adenine
attached to a
ribose
sugar molecule (
ribofuranose
)
moiety
via a ß-N
9
-
glycosidic bond
. Adenosine is widely found in nature and plays an important role in
biochemical
processes, such as energy transfer — as
adenosine triphosphate
(ATP) and
adenosine diphosphate
(ADP) — as well as in
signal transduction
as
cyclic adenosine monophosphate
(cAMP). It is also a
neuromodulator
, believed to play a role in promoting sleep and suppressing arousal. Adenosine also plays a role in regulation of blood flow to various organs through
vasodilation
.
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