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Biomedical and Environmental Sciences ; (12): 311-316, 2018.
Artículo en Inglés | WPRIM | ID: wpr-690655

RESUMEN

Exposure to free silica induces silicosis and myofibroblasts are regarded as primary effector cells. Fibrocytes can differentiate into myofibroblast. Therefore, the present study was designed to investigate whether fibrocytes participate in silicosis. The rat model of silicosis was established. Hematoxylin-eosin stainings and Masson stainings were used to evaluate the histopathology and collagen deposition. Flow cytometry and immunofluorescence were performed to detect the number of fibrocytes and their contribution to myofibroblasts. Results showed that fibrocytes participate in silicosis. Trend analysis of different sources of myofibroblasts during silicosis indicated that fibrocytes and lung type II epithelial cell-derived myofibroblasts play an important role in the early stage of silicosis, while resident lung fibroblast-derived myofibroblasts play a predominant role during the fibrosis formative period.


Asunto(s)
Animales , Ratas , Modelos Animales de Enfermedad , Pulmón , Biología Celular , Miofibroblastos , Patología , Distribución Aleatoria , Ratas Sprague-Dawley , Dióxido de Silicio , Toxicidad , Silicosis , Patología
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