نتایج جستجو برای: pulmonary surfactant
تعداد نتایج: 243200 فیلتر نتایج به سال:
Lipid extracts of bovine pulmonary surfactant containing the 6 kDa apoprotein, but lacking the 35 kDa apoprotein, can mimic the essential characteristics of pulmonary surfactant on a pulsating-bubble surfactometer. Reconstituted surfactant can be produced by combining silicic acid fractions containing 6 kDa apoprotein and phosphatidylglycerol with phosphatidylcholine. Treatment of the protein-c...
Surfactant is an agent that decreases the surface tension between two media. The surface tension between gaseous-aqueous interphase in the lungs is decreased by the presence of a thin layer of fluid known as pulmonary surfactant. The pulmonary surfactant is produced by the alveolar type-II (AT-II) cells of the lungs. It is essential for efficient exchange of gases and for maintaining the struct...
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, ...
Pulmonary surfactant has been used as a carrier to deliver a therapeutic virus to dysfunctional lung cells that reside within an intricate lung structure. To investigate whether pulmonary surfactant enhances the efficacy of intratracheal instillation of a therapeutic virus to target KRAS mutation-bearing lung cancer in vivo, we developed a recombinant adenovirus that induces cell death only in ...
Adjuvants have been used to improve pesticide application efficiency and effectiveness for many years. However, knowledge on quantitative reactions of adjuvant-amended pesticide droplets on Article Request Page http://asae.frymulti.com/azdez.asp?JID=5&AID=29662&CID=pitt2010&T=1[12/28/2010 12:43:57 PM] foliage is lacking. Evaporation rate and wetted area of 500 μm droplets with four different ad...
Pulmonary surfactant is a surface active material composed of both lipids and proteins that is produced by alveolar type II pneumocytes. Abnormalities of surfactant in the immature lung or in the acutely inflamed mature lung are well described. However, in a variety of subacute diseases of the mature lung, abnormalities of lung surfactant may also be of importance. These diseases include chroni...
Pulmonary surfactant research has an increasing impact on treatment considerations in adult respiratory disorders, above all acute respiratory distress syndrome (ARDS). Obstructive airways diseases have only been sporadically addressed in this respect. In the last decade, direct and circumstantial evidence for surfactant as a contributing factor in the regulation of airway calibre has emerged. ...
Exogenous surfactant therapy has an established role in the management of neonatal respiratory distress syndrome (RDS). This article summarises the current evidence on surfactant therapy. The use of surfactant for the treatment or prophylaxis of neonatal RDS results in a 30% to 65% relative reduction in the risk of pneumothorax and up to a 40% relative reduction in the risk of mortality. Advers...
Human pulmonary surfactant has not been shown to have immunoregulatory properties. A study was designed to examine the effect of whole surfactant (lyophilised bronchoalveolar lavage fluid) and purified surfactant lipids obtained from normal lungs of three species (man, pig, rabbit) on the lymphoproliferative responses of human peripheral blood lymphocytes to mitogens and alloantigens. Whole sur...
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