Reduction in viscosity of cystic fibrosis sputum in vitro by gelsolin.

Reduction in viscosity of cystic fibrosis sputum in vitro by gelsolin.
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凝溶胶蛋白在体外降低囊性纤维化痰的粘度。

DOI:
10.1126/science.8310295
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发表时间:
1994
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Stossel,TP
Stossel,TP
中科院分区:
--
文献类型:
--
作者:
Vasconcellos,CA;Allen,PG;Wohl,ME;Drazen,JM;Janmey,PA;Stossel,TP

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在囊性纤维化(CF)患者中,粘稠痰阻塞气道会导致肺损伤。CF患者的痰液样本显示含有丝状肌动蛋白。人血浆凝溶胶蛋白,一种切断肌动蛋白丝的蛋白质,在体外迅速降低CF痰液样本的粘度。GC球蛋白和脱氧核糖核酸酶I,螯合单体肌动蛋白,但不切断肌动蛋白丝的蛋白质,在减少痰液粘度方面不如凝溶胶蛋白有效。这些结果表明,凝溶胶蛋白可能具有治疗潜力的CF患者的粘液溶解剂。
Obstruction of airways by viscous sputum causes lung damage in patients with cystic fibrosis (CF). Sputum samples from CF patients were shown to contain filamentous actin. Human plasma gelsolin, a protein that severs actin filaments, rapidly decreased the viscosity of CF sputum samples in vitro. Gc globulin and deoxyribonuclease I, proteins that sequester monomeric actin but do not sever actin filaments, were less efficient than gelsolin in diminishing sputum viscosity. These results suggest that gelsolin may have therapeutic potential as a mucolytic agent in CF patients.
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影响因子: --
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