This work was supported by grants from the National Natural Science Foundation of China (No. 30500224, 3040199).
Background The decrease of surfactant protein (SP) secreted by the alveolar type Ⅱ cell is one of the important causes of limiting air of pulmonary emphysema. However, the SP-A gene and protein changes in this dise...
grants from the National Natural Sciences Foundation of China (No. 30500224, 3040199)
In order to confirm the alteration and significance of cigarette smoke exposure on SP-A in rats, 20 Wistar rats were assigned randomly to two groups: an N group (n=10), and an S group (n=10). The ultra-structural...