Role of p38 mitogen activated protein kinase on cyclic stretch in human facial hypertrophic scar fibroblasts differentiation into myofibroblasts / 中华口腔医学杂志
Chinese Journal of Stomatology
;
(12): 615-620, 2013.
Artigo
em Chinês
| WPRIM
| ID: wpr-274190
ABSTRACT
<p><b>OBJECTIVE</b>To explore the signal transduction mechanism of p38 mitogen activated protein kinase (p38MAPK) in human facial hypertrophic scar fibroblast (FB) differentiation into myofibroblasts (MFB).</p><p><b>METHODS</b>Fibroblasts of primary culture were simple randomly assigned into two groups cyclic stretch (control group) and cyclic stretch pre-treated with SB203580(experimental group). Expression of P-p38MAPK and α-smooth muscle actin (α-SMA) protein were examined using Western blotting and expression of transforming growth factor β1 (TGF-β1) mRNA and α-SMA mRNA were examined using reverse transcription PCR (RT-PCR).</p><p><b>RESULTS</b>In control group, the expressions of α-SMA, p38MAPK, TGF-β1 mRNA and α-SMA mRNA (0 h 0.134 ± 0.011, 0.239 ± 0.015, 0.214 ± 0.018, 0.252 ± 0.010; 6 h 0.152 ± 0.014, 0.287 ± 0.016, 0.288 ± 0.011, 0.277 ± 0.013; 12 h 0.172 ± 0.017, 0.320 ± 0.017, 0.335 ± 0.013, 0.297 ± 0.006) , were significantly increased with loading time (6 h>0 h; 12 h>0 and 6 h). In experimental group (pre-treated with SB203580), the expressions of α-SMA, p38MAPK, TGF-β1 mRNA,α-SMA mRNA (6 h 0.116 ± 0.017,0.128 ± 0.016,0.134 ± 0.014,0.163 ± 0.009; 12 h 0.149 ± 0.013,0.136 ± 0.018,0.144 ± 0.013,0.187 ± 0.010) on corresponding time decreased sharply compared with those in control groups (6, 12 h).</p><p><b>CONCLUSIONS</b>The human facial hypertrophic scar fibroblasts differentiation in response to cyclic stretch was mediated by p38MAPK phosporylation.</p>
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Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Patologia
/
Farmacologia
/
Fosforilação
/
Piridinas
/
Estresse Mecânico
/
RNA Mensageiro
/
Transdução de Sinais
/
Distribuição Aleatória
/
Células Cultivadas
/
Actinas
Tipo de estudo:
Ensaio Clínico Controlado
Limite:
Adolescente
/
Adulto
/
Criança
/
Feminino
/
Humanos
/
Masculino
Idioma:
Chinês
Revista:
Chinese Journal of Stomatology
Ano de publicação:
2013
Tipo de documento:
Artigo
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