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High fat diet feed mice liver sample proteomics

ABSTRACT: determine the effect of the high-fat diet on the proteomics profile of liver tissue.Mice were fed with HFD for 16 weeks to establish a NAFLD mouse model. Mice fed with normal chow diet were taken as controls. Five replicate liver samples were collected from each group for proteomics analysis.

INSTRUMENT(S): Q Exactive HF

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Liver

DISEASE(S): Non-alcoholic Fatty Liver Disease

SUBMITTER: Zhi Shang

LAB HEAD: Zhi Shang

PROVIDER: PXD030727 | Pride | 2022-06-09

REPOSITORIES: Pride

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	S1-S15-1.raw	Raw
	S1-S15-10.raw	Raw
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Publications

Quantitative proteomics of HFD-induced fatty liver uncovers novel transcription factors of lipid metabolism.

Zhi Shang S Congcong Zhang Z Zhiling Gao G Yihan Qian Q Yijing Xin X Guanjie Liu L Fang Wang W Xuehua Sun S Hongjie Li L Xiaoni Kong K Yueqiu Gao G

International journal of biological sciences 20220501 8

Nonalcoholic fatty liver disease (NAFLD) has become the most common chronic liver disease, which progression is tightly regulated by transcription factors (TFs), nuclear receptors, and cellular enzymes. In this study, a label-free quantitative proteomic approach was used to determine the effect of the high-fat diet on the proteomics profile of liver tissue and to identify novel NAFLD related TFs. Mice were fed with HFD for 16 weeks to establish a NAFLD mouse model. Mice fed with normal chow diet ...[more]

PMID: 35637971

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Liver proteomic assessment of mice fed high carbohydrate and high fat diets identify a disconnect between proteins associated with de novo lipogenesis and fat

Project description:De novo lipogenesis (DNL) has been implicated in the development and progression of hepatic liver steatosis. Hepatic DNL is strongly influenced by dietary macronutrient composition with diets high in carbohydrate increasing DNL and diets high in fat decreasing DNL. The enzymes in the core DNL pathway have been well characterised however less is known about proteins that play accessory or regulatory roles in DNL. In the current study, we associate measured rates of hepatic DNL and liver fat content with abundance of liver proteins from liquid chromatography mass spectrometry in mice to identify known and uncharacterised proteins that may have a role in DNL. Male C57BL/6J mice were fed either a standard chow diet a semi-purified high starch diet or a high fat diet. Both semi-purified diets resulted in increased body weight, fat mass and liver triglyceride content compared to chow-fed mice while hepatic DNL was increased in the high starch fed mice and decreased in the high fat fed mice. Proteomic analysis was carried out on the livers of these mice and proteins were identified that associated with either the rate of DNL or triglyceride content in the liver. There was no overlap between DNL and triglyceride associated proteins. We identify novel proteins associated with DNL that are involved in taurine metabolism, which suggests a link between these pathways. Further analysis identified proteins that are differentially regulated when comparing a non-purified chow diet to either of the semi-purified diets to provide a set of proteins that are regulated by the degree of dietary complexity alone. Finally, we compared the liver proteome between 4 week-fed and 30-week diet-fed mice and found remarkable similarity suggesting that the majority of diet-regulated proteins change early in response to differing dietary components.

2024-10-30 | PXD054323 | Pride

Effects of selection on residual feed intake and diet on gene expression in pig perirenal adipose tissue

Project description:Transcriptional profiling in peritoneal adipose tissue of 48 pigs (132 days of age) originated from two lines divergently selected for residual feed intake (RFI) : low-RFI pigs (RFIneg), high-RFI pigs (RFIpl). Both lines were offered isocaloric and isoproteic diets with contrasted energy source and nutrients: low fat, low fiber (LF) diet or a high fat, high fiber (HF)diet during 10 weeks. Effects of RFI selection, diet and interaction between diet and line were investigated. Four experimental groups: low-RFI pigs fed high fat, high fiber diet (HF_RFIneg), high-RFI pigs fed high fat, high fiber diet(HF_RFIpl), low-RFI pigs fed low fat, low fiber diet (LF_RFIneg) and high-RFI pigs fed low fat, low fiber diet(LF_RFIpl). 12 pigs per condition. One replicate per array.

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Effect of selection on residual feed intake and diet on gene expression in whole blood of pig

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2016-07-01 | E-GEOD-70838 | biostudies-arrayexpress

Label free shotgun proteomics to disclose the impact of methionine-enriched diets in the liver of European seabass

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Proteomics of liver from mice fed high fat diet (HFD) or regular chow diet

Project description:Proteomics of liver tissue from mice fed a high fat diet (HFD) or regular chow diet. Data accompany our paper entitled “Dynamic Regulation of N6,2′-O-dimethyladenosine (m6Am) in Obesity” scheduled for publication in Nature Communications, 2021

2021-10-27 | PXD029280 | Pride

Liver-derived plasminogen mediates muscle stem cell expansion during caloric restriction through the plasminogen receptor, Plg-RKT. Bareja, White, Et. Al.

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2024-06-16 | PXD043644 | Pride

Data on European seabass fed with methionine supplemented diets obtained through label free shotgun proteomics

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Murine liver: Sperm vs. seminal plasma influences

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Project description:Perfluorooctanesulfonic acid (PFOS) is a persistent, bio-accumulative pollutant that has been used for the last 60+ years in numerous industrial and commercial applications. In mice, PFOS administration is known to induce hepatomegaly and hepatic steatosis. The aim of the present study was to evaluate potential PFOS and diet interactions and explore the mechanism of PFOS induced liver lipid accumulation. Prior to PFOS administration, mice were fed either a standard chow diet (SD) or 60% kCal high fat diet (HFD) for 4 weeks to establish significant body weight increase. After 4 weeks of diet acclimation, the treatment groups received 0.0003% PFOS in diet for an additional 10 weeks. In addition, a subset of the mice fed HFD were switched to a SD (H-SD) to mimic weight-loss induced improvement of hepatic steatosis. A total of six treatment groups: i) SD, ii) HSD, iii) HFD (H), iv) SD +PFOS(SDP), v) H-SD +PFOS (HSDP), and vi) HFD +PFOS (HP) were included. PFOS and lipid concentrations were measured in both serum and liver. Relative liver mRNA expression was determined by targeted bead array and proteins were quantified using untargeted mass spectrometry. PFOS exposure increased liver weight, and in the HFD increased liver triglycerides and liver cholesterol content. Gene and protein expression in the liver demonstrated that PFOS exposure induced lipid utilization and xenobiotic metabolism pathways, and in a HFD, induced lipid synthesis. The data suggests that PFOS exposure acts on lipid utilization genes and exacerbates hepatic steatosis in mice fed a HFD.

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