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Targeting voltage-gated sodium channels for treatment for chronic visceral pain.
Qi, Fei-Hu; Zhou, You-Lang; Xu, Guang-Yin.
Afiliação
  • Qi FH; Jiangsu Key Laboratory of Neuroregeneration, Nantong University, Nantong 226001, Jiangsu Province, China.
World J Gastroenterol ; 17(19): 2357-64, 2011 May 21.
Article em En | MEDLINE | ID: mdl-21633634
ABSTRACT
Voltage-gated sodium channels (VGSCs) play a fundamental role in controlling cellular excitability, and their abnormal activity is related to several pathological processes, including cardiac arrhythmias, epilepsy, neurodegenerative diseases, spasticity and chronic pain. In particular, chronic visceral pain, the central symptom of functional gastrointestinal disorders such as irritable bowel syndrome, is a serious clinical problem that affects a high percentage of the world population. In spite of intense research efforts and after the dedicated decade of pain control and research, there are not many options to treat chronic pain conditions. However, there is a wealth of evidence emerging to give hope that a more refined approach may be achievable. By using electronic databases, available data on structural and functional properties of VGSCs in chronic pain, particularly functional gastrointestinal hypersensitivity, were reviewed. We summarize the involvement and molecular bases of action of VGSCs in the pathophysiology of several organic and functional gastrointestinal disorders. We also describe the efficacy of VGSC blockers in the treatment of these neurological diseases, and outline future developments that may extend the therapeutic use of compounds that target VGSCs. Overall, clinical and experimental data indicate that isoform-specific blockers of these channels or targeting of their modulators may provide effective and novel approaches for visceral pain therapy.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Canais de Sódio / Dor Abdominal / Bloqueadores dos Canais de Sódio Limite: Humans Idioma: En Ano de publicação: 2011 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Canais de Sódio / Dor Abdominal / Bloqueadores dos Canais de Sódio Limite: Humans Idioma: En Ano de publicação: 2011 Tipo de documento: Article