Proteomics

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Comparative proteomic study on liver lipid droplets and mitochondria from mouse housed in different temperatures


ABSTRACT: Laboratory mice are standardly housed around 23ºC, setting them under chronic cold stress. Metabolic changes of liver in mice housed under thermoneutral, standard and cold temperatures remain unknown. Here we isolated lipid droplets and mitochondria from their livers for comparative proteomic study to investigate the changes. According to proteomic analysis, mitochondrial TCA cycle and retinol metabolism were enhanced while oxidative phosphorylation was no obviously affected under cold condition, suggesting liver mitochondria may increase TCA cycle capacity in biosynthetic pathways as well as retinol metabolism to help liver to adapt. Based on proteomic and immunoblotting results, Perilipin 5 and major urinary proteins were increased significantly while mitochondrial pyruvate carrier was decreased dramatically under cold condition, indicating a role they may play.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Liver

SUBMITTER: Shuyan Zhang  

LAB HEAD: Pingsheng Liu

PROVIDER: PXD014224 | Pride | 2019-07-02

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
20180707_CLJ_TMT6plex_Liver.msf Msf
20180707_CLJ_TMT6plex_Liver_f01.raw Raw
20180707_CLJ_TMT6plex_Liver_f02.raw Raw
20180707_CLJ_TMT6plex_Liver_f03.raw Raw
20180707_CLJ_TMT6plex_Liver_f04.raw Raw
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Publications

Comparative proteomic study of liver lipid droplets and mitochondria in mice housed at different temperatures.

Liu Qingfeng Q   Zhou Ziyun Z   Liu Pingsheng P   Zhang Shuyan S  

FEBS letters 20190712 16


Laboratory mice are standardly housed at around 23 °C, setting them under chronic cold stress. Metabolic changes in the liver in mice housed at thermoneutral, standard and cold temperatures remain unknown. In the present study, we isolated lipid droplets and mitochondria from their livers in a comparative proteomic study aiming to investigate the changes. According to proteomic analysis, mitochondrial tricarboxylic acid cycle (TCA cycle) and retinol metabolism are enhanced, whereas oxidative pho  ...[more]

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