Comparative proteomic study reveals 17β-HSD13 as a pathogenic protein in nonalcoholic fatty liver disease

Nonalcoholic fatty liver disease (NAFLD) is characterized by a massive accumulation of lipid droplets (LDs). The aim of this study was to determine the function of 17β-hydroxysteroid dehydrogenase-13 (17β-HSD13), one of our newly identified LD-associated proteins in human subjects with normal liver...

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Veröffentlicht in:Proceedings of the National Academy of Sciences - PNAS 2014-08, Vol.111 (31), p.11437-11442
Hauptverfasser: Su, Wen, Wang, Yang, Jia, Xiao, Wu, Wenhan, Li, Linghai, Tian, Xiaodong, Li, Sha, Wang, Chunjiong, Xu, Huamin, Cao, Jiaqi, Han, Qifei, Xu, Shimeng, Chen, Yong, Zhong, Yanfeng, Zhang, Xiaoyan, Liu, Pingsheng, Gustafsson, Jan-Åke, Guan, Youfei
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container_issue 31
container_start_page 11437
container_title Proceedings of the National Academy of Sciences - PNAS
container_volume 111
creator Su, Wen
Wang, Yang
Jia, Xiao
Wu, Wenhan
Li, Linghai
Tian, Xiaodong
Li, Sha
Wang, Chunjiong
Xu, Huamin
Cao, Jiaqi
Han, Qifei
Xu, Shimeng
Chen, Yong
Zhong, Yanfeng
Zhang, Xiaoyan
Liu, Pingsheng
Gustafsson, Jan-Åke
Guan, Youfei
description Nonalcoholic fatty liver disease (NAFLD) is characterized by a massive accumulation of lipid droplets (LDs). The aim of this study was to determine the function of 17β-hydroxysteroid dehydrogenase-13 (17β-HSD13), one of our newly identified LD-associated proteins in human subjects with normal liver histology and simple steatosis, in NAFLD development. LDs were isolated from 21 human liver biopsies, including 9 cases with normal liver histology (group 1) and 12 cases with simple steatosis (group 2). A complete set of LD-associated proteins from three liver samples of group 1 or group 2 were determined by 2D LC-MS/MS. By comparing the LD-associated protein profiles between subjects with or without NAFLD, 54 up-regulated and 35 down-regulated LD-associated proteins were found in NAFLD patients. Among them, 17β-HSD13 represents a previously unidentified LD-associated protein with a significant up-regulation in NAFLD. Because the 17β-HSD family plays an important role in lipid metabolism, 17β-HSD13 was selected for validating the proteomic findings and exploring its role in the pathogenesis of NAFLD. Increased hepatic 17β-HSD13 and its LD surface location were confirmed in db/db (diabetic) and high-fat diet-fed mice. Adenovirus-mediated hepatic overexpression of human 17β-HSD13 induced a fatty liver phenotype in C57BL/6 mice, with a significant increase in mature sterol regulatory element-binding protein 1 and fatty acid synthase levels. The present study reports an extensive set of human liver LD proteins and an array of proteins differentially expressed in human NAFLD. We also identified 17β-HSD13 as a pathogenic protein in the development of NAFLD.
doi_str_mv 10.1073/pnas.1410741111
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The aim of this study was to determine the function of 17β-hydroxysteroid dehydrogenase-13 (17β-HSD13), one of our newly identified LD-associated proteins in human subjects with normal liver histology and simple steatosis, in NAFLD development. LDs were isolated from 21 human liver biopsies, including 9 cases with normal liver histology (group 1) and 12 cases with simple steatosis (group 2). A complete set of LD-associated proteins from three liver samples of group 1 or group 2 were determined by 2D LC-MS/MS. By comparing the LD-associated protein profiles between subjects with or without NAFLD, 54 up-regulated and 35 down-regulated LD-associated proteins were found in NAFLD patients. Among them, 17β-HSD13 represents a previously unidentified LD-associated protein with a significant up-regulation in NAFLD. Because the 17β-HSD family plays an important role in lipid metabolism, 17β-HSD13 was selected for validating the proteomic findings and exploring its role in the pathogenesis of NAFLD. Increased hepatic 17β-HSD13 and its LD surface location were confirmed in db/db (diabetic) and high-fat diet-fed mice. Adenovirus-mediated hepatic overexpression of human 17β-HSD13 induced a fatty liver phenotype in C57BL/6 mice, with a significant increase in mature sterol regulatory element-binding protein 1 and fatty acid synthase levels. The present study reports an extensive set of human liver LD proteins and an array of proteins differentially expressed in human NAFLD. 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The aim of this study was to determine the function of 17β-hydroxysteroid dehydrogenase-13 (17β-HSD13), one of our newly identified LD-associated proteins in human subjects with normal liver histology and simple steatosis, in NAFLD development. LDs were isolated from 21 human liver biopsies, including 9 cases with normal liver histology (group 1) and 12 cases with simple steatosis (group 2). A complete set of LD-associated proteins from three liver samples of group 1 or group 2 were determined by 2D LC-MS/MS. By comparing the LD-associated protein profiles between subjects with or without NAFLD, 54 up-regulated and 35 down-regulated LD-associated proteins were found in NAFLD patients. Among them, 17β-HSD13 represents a previously unidentified LD-associated protein with a significant up-regulation in NAFLD. Because the 17β-HSD family plays an important role in lipid metabolism, 17β-HSD13 was selected for validating the proteomic findings and exploring its role in the pathogenesis of NAFLD. Increased hepatic 17β-HSD13 and its LD surface location were confirmed in db/db (diabetic) and high-fat diet-fed mice. Adenovirus-mediated hepatic overexpression of human 17β-HSD13 induced a fatty liver phenotype in C57BL/6 mice, with a significant increase in mature sterol regulatory element-binding protein 1 and fatty acid synthase levels. The present study reports an extensive set of human liver LD proteins and an array of proteins differentially expressed in human NAFLD. 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Wang, Yang ; Jia, Xiao ; Wu, Wenhan ; Li, Linghai ; Tian, Xiaodong ; Li, Sha ; Wang, Chunjiong ; Xu, Huamin ; Cao, Jiaqi ; Han, Qifei ; Xu, Shimeng ; Chen, Yong ; Zhong, Yanfeng ; Zhang, Xiaoyan ; Liu, Pingsheng ; Gustafsson, Jan-Åke ; Guan, Youfei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c497t-8c9430f8cd65c0c579324f2b811a9956da17ba62fe31bdeaa1e7baefb5a09aa83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>17-Hydroxysteroid Dehydrogenases - metabolism</topic><topic>Animals</topic><topic>Biological Sciences</topic><topic>biopsy</topic><topic>Cell lines</topic><topic>Cells, Cultured</topic><topic>Diet, High-Fat</topic><topic>droplets</topic><topic>Epithelial cells</topic><topic>Fatty liver</topic><topic>Fatty Liver - enzymology</topic><topic>Fatty Liver - pathology</topic><topic>fatty-acid synthase</topic><topic>gene expression regulation</topic><topic>gene overexpression</topic><topic>Hepatocytes</topic><topic>Hepatocytes - enzymology</topic><topic>Hepatocytes - pathology</topic><topic>histology</topic><topic>Humans</topic><topic>Lipid metabolism</topic><topic>Lipids</topic><topic>Lipids - chemistry</topic><topic>Lipogenesis</topic><topic>Liver</topic><topic>Liver - enzymology</topic><topic>Liver - pathology</topic><topic>Male</topic><topic>Mice</topic><topic>Mice, Inbred C57BL</topic><topic>Non-alcoholic Fatty Liver Disease</topic><topic>Pathogenesis</topic><topic>patients</topic><topic>phenotype</topic><topic>proteins</topic><topic>Proteome - metabolism</topic><topic>Proteomics</topic><topic>Proteomics - methods</topic><topic>Reproducibility of Results</topic><topic>Up-Regulation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Su, Wen</creatorcontrib><creatorcontrib>Wang, Yang</creatorcontrib><creatorcontrib>Jia, Xiao</creatorcontrib><creatorcontrib>Wu, Wenhan</creatorcontrib><creatorcontrib>Li, Linghai</creatorcontrib><creatorcontrib>Tian, Xiaodong</creatorcontrib><creatorcontrib>Li, Sha</creatorcontrib><creatorcontrib>Wang, Chunjiong</creatorcontrib><creatorcontrib>Xu, Huamin</creatorcontrib><creatorcontrib>Cao, Jiaqi</creatorcontrib><creatorcontrib>Han, Qifei</creatorcontrib><creatorcontrib>Xu, Shimeng</creatorcontrib><creatorcontrib>Chen, Yong</creatorcontrib><creatorcontrib>Zhong, Yanfeng</creatorcontrib><creatorcontrib>Zhang, Xiaoyan</creatorcontrib><creatorcontrib>Liu, Pingsheng</creatorcontrib><creatorcontrib>Gustafsson, Jan-Åke</creatorcontrib><creatorcontrib>Guan, Youfei</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Su, Wen</au><au>Wang, Yang</au><au>Jia, Xiao</au><au>Wu, Wenhan</au><au>Li, Linghai</au><au>Tian, Xiaodong</au><au>Li, Sha</au><au>Wang, Chunjiong</au><au>Xu, Huamin</au><au>Cao, Jiaqi</au><au>Han, Qifei</au><au>Xu, Shimeng</au><au>Chen, Yong</au><au>Zhong, Yanfeng</au><au>Zhang, Xiaoyan</au><au>Liu, Pingsheng</au><au>Gustafsson, Jan-Åke</au><au>Guan, Youfei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparative proteomic study reveals 17β-HSD13 as a pathogenic protein in nonalcoholic fatty liver disease</atitle><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle><addtitle>Proc Natl Acad Sci U S A</addtitle><date>2014-08-05</date><risdate>2014</risdate><volume>111</volume><issue>31</issue><spage>11437</spage><epage>11442</epage><pages>11437-11442</pages><issn>0027-8424</issn><eissn>1091-6490</eissn><abstract>Nonalcoholic fatty liver disease (NAFLD) is characterized by a massive accumulation of lipid droplets (LDs). The aim of this study was to determine the function of 17β-hydroxysteroid dehydrogenase-13 (17β-HSD13), one of our newly identified LD-associated proteins in human subjects with normal liver histology and simple steatosis, in NAFLD development. LDs were isolated from 21 human liver biopsies, including 9 cases with normal liver histology (group 1) and 12 cases with simple steatosis (group 2). A complete set of LD-associated proteins from three liver samples of group 1 or group 2 were determined by 2D LC-MS/MS. By comparing the LD-associated protein profiles between subjects with or without NAFLD, 54 up-regulated and 35 down-regulated LD-associated proteins were found in NAFLD patients. Among them, 17β-HSD13 represents a previously unidentified LD-associated protein with a significant up-regulation in NAFLD. Because the 17β-HSD family plays an important role in lipid metabolism, 17β-HSD13 was selected for validating the proteomic findings and exploring its role in the pathogenesis of NAFLD. Increased hepatic 17β-HSD13 and its LD surface location were confirmed in db/db (diabetic) and high-fat diet-fed mice. Adenovirus-mediated hepatic overexpression of human 17β-HSD13 induced a fatty liver phenotype in C57BL/6 mice, with a significant increase in mature sterol regulatory element-binding protein 1 and fatty acid synthase levels. The present study reports an extensive set of human liver LD proteins and an array of proteins differentially expressed in human NAFLD. We also identified 17β-HSD13 as a pathogenic protein in the development of NAFLD.</abstract><cop>United States</cop><pub>National Academy of Sciences</pub><pmid>25028495</pmid><doi>10.1073/pnas.1410741111</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects 17-Hydroxysteroid Dehydrogenases - metabolism
Animals
Biological Sciences
biopsy
Cell lines
Cells, Cultured
Diet, High-Fat
droplets
Epithelial cells
Fatty liver
Fatty Liver - enzymology
Fatty Liver - pathology
fatty-acid synthase
gene expression regulation
gene overexpression
Hepatocytes
Hepatocytes - enzymology
Hepatocytes - pathology
histology
Humans
Lipid metabolism
Lipids
Lipids - chemistry
Lipogenesis
Liver
Liver - enzymology
Liver - pathology
Male
Mice
Mice, Inbred C57BL
Non-alcoholic Fatty Liver Disease
Pathogenesis
patients
phenotype
proteins
Proteome - metabolism
Proteomics
Proteomics - methods
Reproducibility of Results
Up-Regulation
title Comparative proteomic study reveals 17β-HSD13 as a pathogenic protein in nonalcoholic fatty liver disease
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