Ultrastructure of lung in surfactant protein B deficiency.

D. E. deMello, S. Heyman, David Phelps, A. Hamvas, L. Nogee, S. Cole, H. R. Colten

Research output: Contribution to journalArticle

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Abstract

Congenital alveolar proteinosis (CAP), a cause of respiratory failure in fill-term newborns, often leads to death in infancy despite medical therapy. We recently described an inherited deficiency of surfactant protein B (SP-B) (N. Engl. J. Med. 1993; 328:406-410) in two siblings with CAP. The SP-B deficiency was accompanied by marked abnormalities, both quantitative (increase) and qualitative (distribution), of SP-A and SP-C in the lungs of the affected infants. Ultrastructural studies of the lung of one of these infants and of a third affected sibling born in the index family showed abundant alveolar concentric multilamellated structures and membranous vesicles but no typical tubular myelin. In addition, membranous vesicles from type II cells and immunogold labeled SP-A and SP-C were found between type II cells and their basement membrane despite intact interepithelial cell junctions. These findings suggest an important role for SP-B in the directionality of surfactant secretion and in the formation of tubular myelin.

Original languageEnglish (US)
Pages (from-to)230-239
Number of pages10
JournalAmerican journal of respiratory cell and molecular biology
Volume11
Issue number2
DOIs
StatePublished - Jan 1 1994

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Pulmonary Surfactant-Associated Proteins
Surface-Active Agents
Siblings
Lung
Intercellular Junctions
Basement Membrane
Respiratory Insufficiency
Newborn Infant
Congenital Deficiency of Pulmonary Surfactant Protein B
tubular myelin
IgA receptor
Therapeutics

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Pulmonary and Respiratory Medicine
  • Clinical Biochemistry
  • Cell Biology

Cite this

deMello, D. E. ; Heyman, S. ; Phelps, David ; Hamvas, A. ; Nogee, L. ; Cole, S. ; Colten, H. R. / Ultrastructure of lung in surfactant protein B deficiency. In: American journal of respiratory cell and molecular biology. 1994 ; Vol. 11, No. 2. pp. 230-239.
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Ultrastructure of lung in surfactant protein B deficiency. / deMello, D. E.; Heyman, S.; Phelps, David; Hamvas, A.; Nogee, L.; Cole, S.; Colten, H. R.

In: American journal of respiratory cell and molecular biology, Vol. 11, No. 2, 01.01.1994, p. 230-239.

Research output: Contribution to journalArticle

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AU - Heyman, S.

AU - Phelps, David

AU - Hamvas, A.

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AU - Cole, S.

AU - Colten, H. R.

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