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  Hepatic gene expression variations in response to high-fat diet-induced impaired glucose tolerance using RNAseq analysis in collaborative cross mouse population

Abu‑Toamih Atamni, H. J., Kontogianni, G., Binenbaum, I., Mott, R., Himmelbauer, H., Lehrach, H., et al. (2019). Hepatic gene expression variations in response to high-fat diet-induced impaired glucose tolerance using RNAseq analysis in collaborative cross mouse population. Mammalian Genome, 30(9-10), 260-275. doi:10.1007/s00335-019-09816-1.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-3B0E-A Version Permalink: http://hdl.handle.net/21.11116/0000-0006-3B0F-9
Genre: Journal Article

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Abu‑Toamih Atamni, H. J., Author
Kontogianni, G., Author
Binenbaum, I., Author
Mott, R., Author
Himmelbauer, H., Author
Lehrach, H.1, Author              
Chatziioannou, A., Author
Iraqi, Fuad A., Author
Affiliations:
1Emeritus Group of Vertebrate Genomics (Head: Hans Lehrach), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_2385697              

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 Abstract: Hepatic gene expression is known to differ between healthy and type 2 diabetes conditions. Identifying these variations will provide better knowledge to the development of gene-targeted therapies. The aim of this study is to assess diet-induced hepatic gene expression of susceptible versus resistant CC lines to T2D development. Next-generation RNA-sequencing was performed for 84 livers of diabetic and non-diabetic mice of 41 different CC lines (both sexes) following 12 weeks on high-fat diet (42% fat). Data analysis revealed significant variations of hepatic gene expression in diabetic versus non-diabetic mice with significant sex effect, where 601 genes were differentially expressed (DE) in overall population (males and females), 718 genes in female mice, and 599 genes in male mice. Top prioritized DE candidate genes were Lepr, Ins2, Mb, Ckm, Mrap2, and Ckmt2 for the overall population; for females-only group were Hdc, Serpina12, Socs1, Socs2, and Mb, while for males-only group were Serpine1, Mb, Ren1, Slc4a1, and Atp2a1. Data analysis for sex differences revealed 193 DE genes in health (Top: Lepr, Cav1, Socs2, Abcg2, and Col5a3), and 389 genes DE between diabetic females versus males (Top: Lepr, Clps, Ins2, Cav1, and Mrap2). Furthermore, integrating gene expression results with previously published QTL, we identified significant variants mapped at chromosomes at positions 36-49 Mb, 62-71 Mb, and 79-99 Mb, on chromosomes 9, 11, and 12, respectively. Our findings emphasize the complexity of T2D development and that significantly controlled by host complex genetic factors. As well, we demonstrate the significant sex differences between males and females during health and increasing to extent levels during disease/diabetes. Altogether, opening the venue for further studies targets the discovery of effective sex-specific and personalized preventions and therapies.

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Language(s): eng - English
 Dates: 2019-10-092019-10-242019-10
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1007/s00335-019-09816-1
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Title: Mammalian Genome
Source Genre: Journal
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Publ. Info: New York : Springer-Verlag
Pages: 15 Volume / Issue: 30 (9-10) Sequence Number: - Start / End Page: 260 - 275 Identifier: ISSN: 0938-8990
CoNE: https://pure.mpg.de/cone/journals/resource/954925571879