Deficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.

Genetic variants in the asialoglycoprotein receptor 1 (ASGR1) are associated with a reduced risk of cardiovascular disease (CVD) in humans. However, the underlying molecular mechanism remains elusive. Given the cardiovascular similarities between pigs and humans, we generated ASGR1-deficient pigs us...

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Autores principales: Baocai Xie, Xiaochen Shi, Yan Li, Bo Xia, Jia Zhou, Minjie Du, Xiangyang Xing, Liang Bai, Enqi Liu, Fernando Alvarez, Long Jin, Shaoping Deng, Grant A Mitchell, Dengke Pan, Mingzhou Li, Jiangwei Wu
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Publicado: Public Library of Science (PLoS) 2021
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spelling oai:doaj.org-article:5f59ff9059cb42af911248984f4701362021-12-02T20:03:15ZDeficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.1553-73901553-740410.1371/journal.pgen.1009891https://doaj.org/article/5f59ff9059cb42af911248984f4701362021-11-01T00:00:00Zhttps://doi.org/10.1371/journal.pgen.1009891https://doaj.org/toc/1553-7390https://doaj.org/toc/1553-7404Genetic variants in the asialoglycoprotein receptor 1 (ASGR1) are associated with a reduced risk of cardiovascular disease (CVD) in humans. However, the underlying molecular mechanism remains elusive. Given the cardiovascular similarities between pigs and humans, we generated ASGR1-deficient pigs using the CRISPR/Cas9 system. These pigs show age-dependent low levels of non-HDL-C under standard diet. When received an atherogenic diet for 6 months, ASGR1-deficient pigs show lower levels of non-HDL-C and less atherosclerotic lesions than that of controls. Furthermore, by analysis of hepatic transcriptome and in vivo cholesterol metabolism, we show that ASGR1 deficiency reduces hepatic de novo cholesterol synthesis by downregulating 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR), and increases cholesterol clearance by upregulating the hepatic low-density lipoprotein receptor (LDLR), which together contribute to the low levels of non-HDL-C. Despite the cardioprotective effect, we unexpectedly observed mild to moderate hepatic injury in ASGR1-deficient pigs, which has not been documented in humans with ASGR1 variants. Thus, targeting ASGR1 might be an effective strategy to reduce hypercholesterolemia and atherosclerosis, whereas further clinical evidence is required to assess its hepatic impact.Baocai XieXiaochen ShiYan LiBo XiaJia ZhouMinjie DuXiangyang XingLiang BaiEnqi LiuFernando AlvarezLong JinShaoping DengGrant A MitchellDengke PanMingzhou LiJiangwei WuPublic Library of Science (PLoS)articleGeneticsQH426-470ENPLoS Genetics, Vol 17, Iss 11, p e1009891 (2021)
institution DOAJ
collection DOAJ
language EN
topic Genetics
QH426-470
spellingShingle Genetics
QH426-470
Baocai Xie
Xiaochen Shi
Yan Li
Bo Xia
Jia Zhou
Minjie Du
Xiangyang Xing
Liang Bai
Enqi Liu
Fernando Alvarez
Long Jin
Shaoping Deng
Grant A Mitchell
Dengke Pan
Mingzhou Li
Jiangwei Wu
Deficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.
description Genetic variants in the asialoglycoprotein receptor 1 (ASGR1) are associated with a reduced risk of cardiovascular disease (CVD) in humans. However, the underlying molecular mechanism remains elusive. Given the cardiovascular similarities between pigs and humans, we generated ASGR1-deficient pigs using the CRISPR/Cas9 system. These pigs show age-dependent low levels of non-HDL-C under standard diet. When received an atherogenic diet for 6 months, ASGR1-deficient pigs show lower levels of non-HDL-C and less atherosclerotic lesions than that of controls. Furthermore, by analysis of hepatic transcriptome and in vivo cholesterol metabolism, we show that ASGR1 deficiency reduces hepatic de novo cholesterol synthesis by downregulating 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR), and increases cholesterol clearance by upregulating the hepatic low-density lipoprotein receptor (LDLR), which together contribute to the low levels of non-HDL-C. Despite the cardioprotective effect, we unexpectedly observed mild to moderate hepatic injury in ASGR1-deficient pigs, which has not been documented in humans with ASGR1 variants. Thus, targeting ASGR1 might be an effective strategy to reduce hypercholesterolemia and atherosclerosis, whereas further clinical evidence is required to assess its hepatic impact.
format article
author Baocai Xie
Xiaochen Shi
Yan Li
Bo Xia
Jia Zhou
Minjie Du
Xiangyang Xing
Liang Bai
Enqi Liu
Fernando Alvarez
Long Jin
Shaoping Deng
Grant A Mitchell
Dengke Pan
Mingzhou Li
Jiangwei Wu
author_facet Baocai Xie
Xiaochen Shi
Yan Li
Bo Xia
Jia Zhou
Minjie Du
Xiangyang Xing
Liang Bai
Enqi Liu
Fernando Alvarez
Long Jin
Shaoping Deng
Grant A Mitchell
Dengke Pan
Mingzhou Li
Jiangwei Wu
author_sort Baocai Xie
title Deficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.
title_short Deficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.
title_full Deficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.
title_fullStr Deficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.
title_full_unstemmed Deficiency of ASGR1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.
title_sort deficiency of asgr1 in pigs recapitulates reduced risk factor for cardiovascular disease in humans.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/5f59ff9059cb42af911248984f470136
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