منابع مشابه
Surfactant proteins in pulmonary alveolar proteinosis in adults.
Pulmonary alveolar proteinosis (PAP) is a rare disorder characterised histologically by an intra-alveolar accumulation of fine granular eosinophilic and periodic acid-Schiff positive material. In a retrospective study, the composition of the intra-alveolarly accumulated material of adult patients with PAP was analysed by means of immunohistochemistry and Western blotting. In patients with PAP, ...
متن کاملVitamin K-dependent carboxylation of pulmonary surfactant-associated proteins.
Rat type II pneumocytes expressed vitamin K-dependent carboxylase activity that incorporated 14CO2 into microsomal protein precursors of molecular weights similar to those of surfactant-associated proteins (SAP). Compared to carboxylated precursor proteins present in the liver, these molecules appeared to be unique to the lung. Antibodies raised against purified rat surfactant reacted with SAP ...
متن کاملNon-Pulmonary Immune Functions of Surfactant Proteins A and D.
Surfactant proteins A (SP-A) and D (SP-D) are established as essential components of our innate immune system for protecting the lung from pathogens and allergens. They essentially exert their protective functions by regulating pulmonary homeostasis. Both proteins are however widely expressed throughout the body, including the female reproductive tract, urinary tract, gastrointestinal tract, th...
متن کاملPulmonary surfactant
Pulmonary surfactant is a complex mixture of lipids and proteins that, by modulating surface tension during breathing, prevents alveolar collapse at exhalation and overdistention at inspiration. Surfactant is synthesized by type II pneumocytes, assembled in lamellar bodies and secreted at the air-liquid interface of the alveolus. This surface-active material is re-uptaken by alveolar type II ce...
متن کاملCHROMOSOMAL PROTEINS IN PULMONARY ALVEOLAR MACROPHAGES
In this study the nature of chromosomal proteins, his tones and nonhistone in resident alveolar macrophages was investigated in comparison to peritoneal neutrophils and calf thymus proteins. Cells were obtained by lavaging the lung and after purity determination they were subjected to fractional extraction procedures. Proteins were then analysed on SDS polyacrylamide gels and densitometric...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1994
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)47138-4