Transcriptional mechanisms of pancreatic β-cell maturation and functional adaptation.

Transcriptional mechanisms of pancreatic β-cell maturation and functional adaptation.
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胰腺β细胞成熟和功能适应的转录机制。

DOI:
10.1016/j.tem.2021.04.011
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发表时间:
2021-07
期刊:
Trends in endocrinology and metabolism: TEM
影响因子:
--
通讯作者:
Sander M
Sander M
中科院分区:
其他
文献类型:
--
作者:
Wortham M;Sander M

文献摘要

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胰腺β细胞分泌与循环营养水平相称的胰岛素以维持正常血糖。β细胞将胰岛素分泌与营养刺激偶联的能力是在出生后成熟过程中获得的。在成熟的β细胞中,胰岛素分泌反应适应营养状态的变化。β细胞成熟和功能适应都依赖于细胞外信号和细胞类型特异性转录程序之间的相互作用。在这里,我们审查新兴的证据表明,发育和稳态调节β细胞功能涉及之间的合作谱系决定和信号依赖性转录因子(LDTF和SDTF,分别)。对β细胞SDTF及其同源信号的更深入理解将描绘β细胞成熟和功能适应的机制,这对糖尿病治疗和从干细胞产生成熟β细胞具有直接意义。
Pancreatic β-cells secrete insulin commensurate to circulating nutrient levels to maintain normoglycemia. The ability of β-cells to couple insulin secretion to nutrient stimuli is acquired during a postnatal maturation process. In mature β-cells the insulin secretory response adapts to changes in nutrient state. Both β-cell maturation and functional adaptation rely on the interplay between extracellular cues and cell type-specific transcriptional programs. Here we review emerging evidence that developmental and homeostatic regulation of β-cell function involves collaboration between lineage-determining and signal-dependent transcription factors (LDTFs and SDTFs, respectively). A deeper understanding of β-cell SDTFs and their cognate signals would delineate mechanisms of β-cell maturation and functional adaptation, which has direct implications for diabetes therapies and for generating mature β-cells from stem cells.
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