Current Understanding on Role of the Wnt Signaling Pathway Effector TCF7L2 in Glucose Homeostasis

被引:82
作者
Jin, Tianru [1 ]
机构
[1] Univ Hlth Network, Toronto Gen Res Inst, Div Adv Diagnost, Toronto, ON M5G 2C4, Canada
基金
加拿大健康研究院;
关键词
TYPE-2; DIABETES-MELLITUS; SINGLE NUCLEOTIDE POLYMORPHISMS; PROGLUCAGON GENE-EXPRESSION; LIVER-SPECIFIC EXPRESSION; BETA-CELL REGENERATION; 7-LIKE; TCF7L2; TRANSCRIPTION FACTOR; SUSCEPTIBILITY GENE; OXIDATIVE STRESS; ADIPOSE-TISSUE;
D O I
10.1210/er.2015-1146
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The role of the Wnt signaling pathway in metabolic homeostasis has drawn our intensive attention, especially after the genome-wide association study discovery that certain polymorphisms of its key effector TCF7L2 are strongly associated with the susceptibility to type 2 diabetes. For a decade, great efforts have been made in determining the function of TCF7L2 in various metabolic organs, which have generated both considerable achievements and disputes. In this review, I will briefly introduce the canonical Wnt signaling pathway, focusing on its effector beta-catenin/TCF, including emphasizing the bidirectional feature of TCFs and beta-catenin post-translational modifications. I will then summarize the observations on the association between TCF7L2 polymorphisms and type 2 diabetes risk. The main content, however, is on the intensive functional exploration of the metabolic role of TCF7L2, including the disputes generated on determining its role in the pancreas and liver with various transgenic mouse lines. Finally, I will discuss those achievements and disputes and present my future perspectives.
引用
收藏
页码:254 / 277
页数:24
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