• J. Exp. Med. · Nov 2008

    Comment

    Out of breath: GM-CSFRalpha mutations disrupt surfactant homeostasis.

    • Luigi D Notarangelo and Itai Pessach.
    • Division of Immunology, The Manton Center for Orphan Disease Research, Children's Hospital Boston, Harvard Medical School, Boston, MA 02115, USA. luigi.notarangelo@childrens.harvard.edu
    • J. Exp. Med. 2008 Nov 24;205(12):2693-7.

    AbstractPulmonary alveolar proteinosis (PAP) is a rare disorder in which surfactant homeostasis in the lung is impaired, causing respiratory distress and, in severe cases, respiratory failure. Most cases of PAP are associated with the formation of autoantibodies against the cytokine granulocyte/macrophage colony-stimulating factor (GM-CSF), which is required for normal surfactant homeostasis and lung function. New studies now identify three patients in whom PAP was caused by mutations in the gene encoding the ligand-binding alpha chain of the GM-CSF receptor.

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