Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2548916 | Journal of Pharmacological Sciences | 2015 | 4 Pages |
Abstract
Chronic obstructive pulmonary disease (COPD) shows progressive, irreversible airflow limitation induced by emphysema and lung inflammation. The aim of the present study was to determine if COPD conditions induce blood–brain barrier (BBB) dysfunction. We found that the intratracheal administration of porcine pancreatic elastase (PPE; 3 U) induced alveolar enlargement, increased neutrophil number in bronchoalveolar lavage fluid, and decreased blood oxygen saturation in mice at 21 days after inhalation. In parallel with these lung damages, BBB permeability to sodium fluorescein and Evans blue albumin was markedly increased. Our findings demonstrate that COPD conditions are associated with risk for BBB impairment.
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Authors
Fuyuko Takata, Koji Tominaga, Mitsuhisa Koga, Shinya Dohgu, Koujiro Futagami, Atsushi Yamauchi, Yasufumi Kataoka,