Non-NMDAR neuronal Ca(2+)-permeable channels in delayed neuronal death and as potential therapeutic targets for ischemic brain damage.
2015
Introduction: Transient cerebral ischemia represents the most common cause of complex chronic disability in adults due to delayed neuronal death as a result of aberrant post-ischemic increases in the [Ca2+]c and [Zn2+]c. A number of Ca2+-permeable channels are engaged in transient ischemia-induced neuronal death.Areas covered: In this review, the authors discuss the GluA2-lacking AMPARs, acid-sensing ion channel 1a, melastatin-related transient receptor potential 2 (TRPM2), TRPM7 and store-operated Ca2+ channels expressed in ischemia-vulnerable neurons, and focus on the studies using in vitro and in vivo models of transient ischemia that supports a significant role for these channels in inducing increases in the [Ca2+]c and/or [Zn2+]c and delayed neuronal death, and their potential as therapeutic targets.Expert opinion: Non-NMDAR Ca2+-permeable channels are important mechanisms mediating delayed neuronal death and cognitive dysfunctions after transient ischemia. Identification of such Ca2+-permeable chann...
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