GM-CSF regulates protein and lipid catabolism by alveolar macrophages

Metabolism of surfactant protein (SP) A and dipalmitoylphosphatidyleholine (DPPC) was assessed in alveolar macrophages isolated from granulocyte-macrophage colony-stimulated factor (GM-CSF) gene-targeted [GM(-/-)] mice, wild-type mice, and GM(-/-) mice expressing GM-CSF under control of the SP-C pro...

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Veröffentlicht in:American journal of physiology. Lung cellular and molecular physiology 2001-03, Vol.24 (3), p.L379-L386
Hauptverfasser: YOSHIDA, Mitsuhiro, IKEGAMI, Machiko, REED, Jacquelyn A, CHRONEOS, Zissis C, WHITSETT, Jeffrey A
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Sprache:eng
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Zusammenfassung:Metabolism of surfactant protein (SP) A and dipalmitoylphosphatidyleholine (DPPC) was assessed in alveolar macrophages isolated from granulocyte-macrophage colony-stimulated factor (GM-CSF) gene-targeted [GM(-/-)] mice, wild-type mice, and GM(-/-) mice expressing GM-CSF under control of the SP-C promoter element (SP-C-GM). Although binding and uptake of 125 I-SP-A were significantly increased in alveolar macrophages from GM(-/-) compared with wild type or SP-C-GM mice, catabolism of 125 I-SP-A was markedly decreased in GM(-/-) mice.
ISSN:1040-0605
1522-1504