Abstract:
:Central sensitization is a fundamental mechanism contributing to acute and chronic pain conditions. Our previous studies have documented a glutamatergic, purinergic and glial-dependent central sensitization that can be induced in rat medullary dorsal horn nociceptive neurons by mustard oil application to the tooth pulp. This study showed that carbenoxolone, a potent gap junction and hemichannel blocker, completely blocked all parameters of mustard oil-induced central sensitization tested in functionally identified medullary dorsal horn nociceptive neurons. These results represent the first evidence suggesting that gap junctions and hemichannels may have a critical role in mediating central sensitization in dorsal horn nociceptive neurons and may account for the spread as well as development of central sensitization.
journal_name
Neuroreportjournal_title
Neuroreportauthors
Chiang CY,Li Z,Dostrovsky JO,Sessle BJdoi
10.1097/WNR.0b013e328336eecbsubject
Has Abstractpub_date
2010-02-17 00:00:00pages
233-7issue
3eissn
0959-4965issn
1473-558Xjournal_volume
21pub_type
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