To observe the changes of matrix metalloproteinase-2 (MMP-2), MMP-9 and interleukin-10 (IL-10), tumor necrosis factor-alpha (TNFalpha) in lung tissue of the obstructive emphysema rat models and to evaluate the relationship between these changes and emphysema formation.
[Expression of matrix metalloproteinases in lung tissue and levels of some cytokines in bronchoalveolar lavage fluid in the obstructive emphysema rat models].
Department of Respiratory Disease, Beijing Chaoyang Hospital, Beijing Institute of Respiratory Medicine, Capital University of Medical Sciences, Beijing 100020, China.