首页> 外文期刊>American Journal of Physiology >Inhibition of alveolarization and altered pulmonary mechanics in mice expressing GATA-6.
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Inhibition of alveolarization and altered pulmonary mechanics in mice expressing GATA-6.

机译:表达GATA-6的小鼠的肺泡抑制作用和肺力学改变。

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摘要

GATA-6, a member of a family of zinc finger transcription factors, is expressed in epithelial cells of the developing lung. To further assess the role of GATA-6 in lung morphogenesis, GATA-6 was expressed in respiratory epithelial cells of the developing mouse lung under control of the surfactant protein C promoter (hSP-CGATA-6 mice). Although GATA-6 did not alter lung morphology at embryonic day 18.5, defects in alveolar septation were observed early in the neonatal period, and air space enlargement persisted to adulthood. Airway resistance, airway elastance, tissue damping, and tissue elastance were significantly decreased, and lung volumes were significantly increased at 12 wk of age. Normal postnatal morphogenesis of the lung depends upon precise temporal-spatial regulation of GATA-6.
机译:GATA-6是锌指转录因子家族的成员,在发育中的肺的上皮细胞中表达。为了进一步评估GATA-6在肺形态发生中的作用,在表面活性剂蛋白C启动子(hSP-CGATA-6小鼠)的控制下,GATA-6在发育中的小鼠肺的呼吸上皮细胞中表达。尽管GATA-6在胚胎第18.5天并没有改变肺的形态,但在新生儿早期观察到了肺泡分隔的缺陷,并且气隙增大一直持续到成年。在12周龄时,气道阻力,气道弹性,组织阻尼和组织弹性显着降低,肺活量显着增加。肺的正常产后形态发生取决于GATA-6的精确时空调节。

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