The Foxo1-Inducible Transcriptional Repressor Zfp125 Causes Hepatic Steatosis and Hypercholesterolemia

Gustavo W. Fernandes, Barbara M.L.C. Bocco, Tatiana L. Fonseca, Elizabeth A. McAninch, Sungro Jo, Lattoya J. Lartey, In Sug O-Sullivan, Terry G. Unterman, Nailliw Z. Preite, Robin M. Voigt, Christopher B. Forsyth, Ali Keshavarzian, Richárd Sinkó, Allison B. Goldfine, Mary E. Patti, Miriam O. Ribeiro, B. Gereben, Antonio C. Bianco

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Liver-specific disruption of the type 2 deiodinase gene (Alb-D2KO) results in resistance to both diet-induced obesity and liver steatosis in mice. Here, we report that this is explained by an ∼60% reduction in liver zinc-finger protein-125 (Zfp125) expression. Zfp125 is a Foxo1-inducible transcriptional repressor that causes lipid accumulation in the AML12 mouse hepatic cell line and liver steatosis in mice by reducing liver secretion of triglycerides and hepatocyte efflux of cholesterol. Zfp125 acts by repressing 18 genes involved in lipoprotein structure, lipid binding, and transport. The ApoE promoter contains a functional Zfp125-binding element that is also present in 17 other lipid-related genes repressed by Zfp125. While liver-specific knockdown of Zfp125 causes an “Alb-D2KO-like” metabolic phenotype, liver-specific normalization of Zfp125 expression in Alb-D2KO mice rescues the phenotype, restoring normal susceptibility to diet-induced obesity, liver steatosis, and hypercholesterolemia. Mice with liver-specific disruption of the type 2 deiodinase gene are resistant to both diet-induced obesity and hepatosteatosis. Fernandes et al. show that this is due to a reduction in liver expression of zinc-finger protein-125, a Foxo1-inducible transcriptional repressor that causes lipid accumulation by reducing hepatic secretion of VLDL.

Original languageEnglish
Pages (from-to)523-534
Number of pages12
JournalCell Reports
Volume22
Issue number2
DOIs
Publication statusPublished - Jan 1 2018

Fingerprint

Zinc Fingers
Hypercholesterolemia
Liver
Zinc
Proteins
Fatty Liver
Lipids
Iodide Peroxidase
Nutrition
Genes
Obesity
Diet
Hepatocytes
Phenotype
Apolipoproteins E
Protein Binding
Lipoproteins
Triglycerides
Cholesterol
Cell Line

Keywords

  • cholesterol
  • deiodinase
  • hepatocytes
  • liver
  • steatosis
  • transcriptional repressor
  • triglycerides
  • zinc finger protein 125

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Fernandes, G. W., Bocco, B. M. L. C., Fonseca, T. L., McAninch, E. A., Jo, S., Lartey, L. J., ... Bianco, A. C. (2018). The Foxo1-Inducible Transcriptional Repressor Zfp125 Causes Hepatic Steatosis and Hypercholesterolemia. Cell Reports, 22(2), 523-534. https://doi.org/10.1016/j.celrep.2017.12.053

The Foxo1-Inducible Transcriptional Repressor Zfp125 Causes Hepatic Steatosis and Hypercholesterolemia. / Fernandes, Gustavo W.; Bocco, Barbara M.L.C.; Fonseca, Tatiana L.; McAninch, Elizabeth A.; Jo, Sungro; Lartey, Lattoya J.; O-Sullivan, In Sug; Unterman, Terry G.; Preite, Nailliw Z.; Voigt, Robin M.; Forsyth, Christopher B.; Keshavarzian, Ali; Sinkó, Richárd; Goldfine, Allison B.; Patti, Mary E.; Ribeiro, Miriam O.; Gereben, B.; Bianco, Antonio C.

In: Cell Reports, Vol. 22, No. 2, 01.01.2018, p. 523-534.

Research output: Contribution to journalArticle

Fernandes, GW, Bocco, BMLC, Fonseca, TL, McAninch, EA, Jo, S, Lartey, LJ, O-Sullivan, IS, Unterman, TG, Preite, NZ, Voigt, RM, Forsyth, CB, Keshavarzian, A, Sinkó, R, Goldfine, AB, Patti, ME, Ribeiro, MO, Gereben, B & Bianco, AC 2018, 'The Foxo1-Inducible Transcriptional Repressor Zfp125 Causes Hepatic Steatosis and Hypercholesterolemia', Cell Reports, vol. 22, no. 2, pp. 523-534. https://doi.org/10.1016/j.celrep.2017.12.053
Fernandes, Gustavo W. ; Bocco, Barbara M.L.C. ; Fonseca, Tatiana L. ; McAninch, Elizabeth A. ; Jo, Sungro ; Lartey, Lattoya J. ; O-Sullivan, In Sug ; Unterman, Terry G. ; Preite, Nailliw Z. ; Voigt, Robin M. ; Forsyth, Christopher B. ; Keshavarzian, Ali ; Sinkó, Richárd ; Goldfine, Allison B. ; Patti, Mary E. ; Ribeiro, Miriam O. ; Gereben, B. ; Bianco, Antonio C. / The Foxo1-Inducible Transcriptional Repressor Zfp125 Causes Hepatic Steatosis and Hypercholesterolemia. In: Cell Reports. 2018 ; Vol. 22, No. 2. pp. 523-534.
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