Journal
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
Volume 22, Issue 2, Pages 252-259Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.semcdb.2011.02.011
Keywords
Epilepsy; Ischemia; Multiple sclerosis; Excitotoxicity; ATP; Adenosine
Categories
Funding
- Gobierno Vasco
- Universidad del Pais Vasco
- Ministerio de Educacion y Ciencia
- CIBERNED
- SGIker
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Purinergic signalling in neurons and glia is relevant to acute and chronic neurological diseases. In particular, emerging evidence indicates that adenosine can play a neuromodulatory role in balancing GABA and glutamate neurotransmission and thus, have a tremendous therapeutic potential for the treatment of epilepsy. On the other hand, signalling via P2 purinergic receptors contributes to post-ischemic injury to grey and white matter as well as endogenous neurogenesis in response to tissue damage. Likewise, P2 receptors mediate demyelinating damage in animal models of multiple sclerosis, and recent evidences suggest that P2X receptor function is altered in this disorder. In all instances, complex interactions between neurons and glia via purine signals are relevant to disease and its prevention or attenuation. Here, we review current knowledge on how purinergic signalling is involved in the pathophysiology of CNS diseases, with an emphasis in epilepsy, ischemia and multiple sclerosis. Understanding in depth the primary and secondary mechanisms relevant to the control of excitation and/or damage by purines will undoubtedly lead to the development of novel therapies based on the use of drugs acting at the purinergic system. (C) 2011 Elsevier Ltd. All rights reserved.
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