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Pulmonary surfactant is a surface-active complex of phospholipids and ... identified the function of the pulmonary surfactant in increasing the compliance of the ...
In molecular biology, Pulmonary surfactant protein D (SP-D) is a protein domain predominantly found in lung surfactant. This protein plays a special role; its primary task is to act as a defence protein against any pathogens that may invade the lung. It also plays a role in lubricating the lung and preventing it from collapse.
SP-B is a critical protein for lung function, and is found in the context of pulmonary surfactant. Understanding surfactant is important to gaining a full understanding of SP-B. Surfactant is a mixture of lipids and proteins that coats the inside of alveoli and is essential for life due to its key role in preventing alveolar collapse at low ...
The protein encoded by this gene (SP-A2) is primarily synthesized in lung alveolar type II cells, as part of a complex of lipids and proteins known as pulmonary surfactant. The function of this complex is to reduce surface tension in the alveolus and prevent collapse during expiration. The protein component of surfactant helps in the modulation ...
The protein component of surfactant helps in the modulation of the innate immune response, and inflammatory processes. Alveolar sac region of the lung - TEM. SP-A1 is a member of a subfamily of C-type lectins called collectins. Together with SP-A2, they are the most abundant proteins of pulmonary surfactant.
Phosphatidylglycerol is a glycerophospholipid found in pulmonary surfactant [1] and in the plasma membrane where it directly activates lipid-gated ion channels. The general structure of phosphatidylglycerol consists of a L-glycerol 3-phosphate backbone ester-bonded to either saturated or unsaturated fatty acids on carbons 1 and 2.
The propeptide of pulmonary surfactant C has an N-terminal alpha-helical segment whose suggested function was stabilization of the protein structure, since the mature peptide can irreversibly transform from its native alpha-helical structure to beta-sheet aggregates and form amyloid fibrils. The correct intracellular trafficking of proSP-C has ...
Surfactant therapy is the medical administration of pulmonary surfactant that is derived from outside of the body. Pulmonary surfactant is a soap-like chemical synthesized by type II alveolar pneumocytes and is of various lipids (80% phospholipids, 5-10% cholesterol, and ~10% surfactant-associated proteins). This biological fluid reduces ...
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