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Effects of NK-1R inhibitor WIN62577 on the migration of airway smooth muscle cells in asthmatic rats with airway remodeling / 中国当代儿科杂志
Chinese Journal of Contemporary Pediatrics ; (12): 1248-1252, 2015.
Artigo em Chinês | WPRIM | ID: wpr-279932
ABSTRACT
<p><b>OBJECTIVE</b>To study the changes in the migration of airway smooth muscle cells (ASMC) in asthmatic rats with airway remodeling and the effect of NK-1R inhibitor WIN62577 on the migration of ASMC.</p><p><b>METHODS</b>Sprague-Dawley rats were randomly assigned into two groups airway remodeling induced by asthma and normal control. ASMC from rats with asthma and airway remodeling induced by ovalbumin (OVA) inhalation for 8 weeks were primary cultured and purified. Immunofluorescence and real-time PCR were used to measure the expression of NK-1R. With NK-1R inhibitor WIN62577 treatment, the changes in the migration of ASMC were measured by transwell chambers.</p><p><b>RESULTS</b>NK-1R in ASMC was expressed mainly in the cytoplasm and cell membrane in the airway remodeling group, and the mRNA expression of NK-1R was higher than the normal control group (P<0.01). The number of the migrated ASMC in the airway remodeling group was significantly higher than that in the normal control group (P<0.01). Various concentrations (10-11 mol/L, 10-10 mol/L, 10-9 mol/L and 10-8 mol/L) of WIN62577 treatment decreased the number of the migrated ASMC (P<0.05).</p><p><b>CONCLUSIONS</b>NK-1R may affect airway remodeling possibly through promoting the migration ability of ASMC in rats with asthma.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Farmacologia / Fisiologia / Asma / Benzimidazóis / Movimento Celular / Ratos Sprague-Dawley / Miócitos de Músculo Liso / Remodelação das Vias Aéreas / Antagonistas dos Receptores de Neurocinina-1 Limite: Animais Idioma: Chinês Revista: Chinese Journal of Contemporary Pediatrics Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Patologia / Farmacologia / Fisiologia / Asma / Benzimidazóis / Movimento Celular / Ratos Sprague-Dawley / Miócitos de Músculo Liso / Remodelação das Vias Aéreas / Antagonistas dos Receptores de Neurocinina-1 Limite: Animais Idioma: Chinês Revista: Chinese Journal of Contemporary Pediatrics Ano de publicação: 2015 Tipo de documento: Artigo