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Pediatr Pathol Mol Med. 2001 Jul-Aug;20(4):293-318.

Functional mapping of surfactant protein A.

Author information

1
Division of Pulmonary and Critical Case Medicine, Univ. of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH 45267-0564, USA. frank-mccormack@uk.edu

Abstract

Surfactant protein A (SP-A) is a highly ordered, oligomeric glycoprotein that is secreted into the airspaces of the lung by alveolar type II cells and Clara cells of the pulmonary epithelium. Although research has shown that SP-A is both a calcium-dependent phospholipid-binding protein that affects surfactant structure and function and a lectin that opsonizes diverse microbial species, our understanding of the physiologically relevant roles of SP-A in the lung remains incomplete. My review focuses on the putative biological functions of SP-A that are supported by experiments in mammals and on the structural basis of SP-A function.

PMID:
11486735
[Indexed for MEDLINE]

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