PMID: 2126321Jan 1, 1990Paper

Inhibition of the activity of human leukocyte elastase by lipids particularly oleic acid and retinoic acid

Lung
D SklanM Vered

Abstract

The effect of various natural hydrophobic lipids on the in vitro and in vivo activity of human leukocyte elastase has been examined. In vitro studies using 2 different substrates indicated that fatty acids inhibit human leukocyte elastase activity, with maximum inhibition observed with oleic acid. Triolein, cholesterol, and beta-carotene caused little inhibition. The presence of a carboxyl group appears important since retinoic acid but not retinol also inhibited activity. In vivo studies of an emphysema model in mice indicated that intrapulmonary instillation of oleic or retinoic acid reduced lung injury caused by human leukocyte elastase. The possibility of using these compounds to diminish elastolytic damage in emphysema is raised.

References

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Citations

Feb 1, 1997·The International Journal of Biochemistry & Cell Biology·A Kouadri-Boudjelthia, J M Wallach
Jun 3, 1999·The British Journal of Dermatology·K TsukaharaG Imokawa
Feb 21, 2003·American Journal of Respiratory Cell and Molecular Biology·Mizue NakajohHidetada Sasaki
Jan 30, 2002·Radiologic Clinics of North America·John D Newell

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