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2016 ; 12
(3
): 411-26
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Guanosine and its role in neuropathologies
#MMPMID27002712
Bettio LE
; Gil-Mohapel J
; Rodrigues AL
Purinergic Signal
2016[Sep]; 12
(3
): 411-26
PMID27002712
show ga
Guanosine is a purine nucleoside thought to have neuroprotective properties. It
is released in the brain under physiological conditions and even more during
pathological events, reducing neuroinflammation, oxidative stress, and
excitotoxicity, as well as exerting trophic effects in neuronal and glial cells.
In agreement, guanosine was shown to be protective in several in vitro and/or in
vivo experimental models of central nervous system (CNS) diseases including
ischemic stroke, Alzheimer's disease, Parkinson's disease, spinal cord injury,
nociception, and depression. The mechanisms underlying the neurobiological
properties of guanosine seem to involve the activation of several intracellular
signaling pathways and a close interaction with the adenosinergic system, with a
consequent stimulation of neuroprotective and regenerative processes in the CNS.
Within this context, the present review will provide an overview of the current
literature on the effects of guanosine in the CNS. The elucidation of the complex
signaling events underlying the biochemical and cellular effects of this
nucleoside may further establish guanosine as a potential therapeutic target for
the treatment of several neuropathologies.
|Animals
[MESH]
|Central Nervous System Diseases/*metabolism
[MESH]