期刊论文详细信息
Cellular Physiology and Biochemistry
The Monocarboxylate Transporter Inhibitor α-Cyano-4-Hydroxycinnamic Acid Disrupts Rat Lung Branching
关键词: Monocarboxylate transporters;    Lung morphogenesis;    Cell metabolism;    Embryo development;   
DOI  :  10.1159/000356617
学科分类:分子生物学,细胞生物学和基因
来源: S Karger AG
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【 摘 要 】

Background/Aims The human embryo develops in a hypoxic environment. In this way, cells have to rely on the glycolytic pathway for energy supply, leading to an intracellular accumulation of monocarboxylates such as lactate and pyruvate. These acids have an important role in cell metabolism and their rapid transport across the plasma membrane is crucial for the maintenance of intracellular pH homeostasis. This transport is mediated by a family of transporters, designated by monocarboxylate transporters (MCTs), namely isoforms 1 and 4. MCT1/4 expression is regulated by the ancillary protein CD147.The general aim of this study was to characterize the expression pattern of MCT1/4, CD147 and the glucose transporter GLUT1 during human fetal lung development and elucidate the role of MCTs in lung development. Methods The expression pattern of MCT1/4 and GLUT1 was characterized by immunohistochemistry and fetal lung viability and branching were evaluated by exposing rat fetal lung explants to CHC, an inhibitor of MCT activity. Results Our findings show that all the biomarkers are differently expressed during fetal lung development and that CHC appears to have an inhibitory effect on lung branching and viability, in a dose dependent way. Conclusion We provide evidence for the role of MCTs in embryo lung development, however to prove the dependence of MCT activity further studies are waranted.

【 授权许可】

CC BY-NC-ND   

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