Carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction

Excessive fructose (Fru) consumption has been reported to favor nonalcoholic fatty liver disease (NAFLD). However, the molecular mechanism is still elusive, lacking effective therapeutic strategies. Carminic acid (CA), a glucosylated anthraquinone found in scale insects like Dactylopius coccus, exer...

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Autores principales: Ling Li, Bo Fang, Yinglei Zhang, Liuqing Yan, Yuxin He, Linfeng Hu, Qifei Xu, Qiang Li, Xianling Dai, Qin Kuang, Minxuan Xu, Jun Tan, Chenxu Ge
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Publicado: Elsevier 2022
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spelling oai:doaj.org-article:df14459ae6f848ce862ad59f2546c9c62021-11-14T04:30:29ZCarminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction0753-332210.1016/j.biopha.2021.112404https://doaj.org/article/df14459ae6f848ce862ad59f2546c9c62022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0753332221011902https://doaj.org/toc/0753-3322Excessive fructose (Fru) consumption has been reported to favor nonalcoholic fatty liver disease (NAFLD). However, the molecular mechanism is still elusive, lacking effective therapeutic strategies. Carminic acid (CA), a glucosylated anthraquinone found in scale insects like Dactylopius coccus, exerts anti-tumor and anti-oxidant activities. Nevertheless, its regulatory role in Fru-induced NAFLD is still obscure. Here, the effects of CA on NAFLD in Fru-challenged mice and the underlying molecular mechanisms were explored. We found that Fru intake significantly led to insulin resistance and dyslipidemia in liver of mice, which were considerably attenuated by CA treatment through repressing endoplasmic reticulum (ER) stress. Additionally, inflammatory response induced by Fru was also attenuated by CA via the blockage of nuclear factor-κB (NF-κB), mitogen-activated protein kinases (MAPKs) and tumor necrosis factor α/TNF-α receptor (TNF-α/TNFRs) signaling pathways. Moreover, Fru-provoked oxidative stress in liver tissues was remarkably attenuated by CA mainly through improving the activation of nuclear factor erythroid 2-related factor 2 (Nrf-2). These anti-dyslipidemias, anti-inflammatory and anti-oxidant activities regulated by CA were confirmed in the isolated primary hepatocytes with Fru stimulation. Importantly, the in vitro experiments demonstrated that Fru-induced lipid accumulation was closely associated with inflammatory response and reactive oxygen species (ROS) production regulated by TNF-α and Nrf-2 signaling pathways, respectively. In conclusion, these results demonstrated that CA could be considered as a potential therapeutic strategy to attenuate metabolic disorder and NAFLD in Fru-challenged mice mainly through suppressing inflammatory response and oxidative stress.Ling LiBo FangYinglei ZhangLiuqing YanYuxin HeLinfeng HuQifei XuQiang LiXianling DaiQin KuangMinxuan XuJun TanChenxu GeElsevierarticleNAFLDCarminic acid (CA)DyslipidemiaInflammationOxidative stressTherapeutics. PharmacologyRM1-950ENBiomedicine & Pharmacotherapy, Vol 145, Iss , Pp 112404- (2022)
institution DOAJ
collection DOAJ
language EN
topic NAFLD
Carminic acid (CA)
Dyslipidemia
Inflammation
Oxidative stress
Therapeutics. Pharmacology
RM1-950
spellingShingle NAFLD
Carminic acid (CA)
Dyslipidemia
Inflammation
Oxidative stress
Therapeutics. Pharmacology
RM1-950
Ling Li
Bo Fang
Yinglei Zhang
Liuqing Yan
Yuxin He
Linfeng Hu
Qifei Xu
Qiang Li
Xianling Dai
Qin Kuang
Minxuan Xu
Jun Tan
Chenxu Ge
Carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction
description Excessive fructose (Fru) consumption has been reported to favor nonalcoholic fatty liver disease (NAFLD). However, the molecular mechanism is still elusive, lacking effective therapeutic strategies. Carminic acid (CA), a glucosylated anthraquinone found in scale insects like Dactylopius coccus, exerts anti-tumor and anti-oxidant activities. Nevertheless, its regulatory role in Fru-induced NAFLD is still obscure. Here, the effects of CA on NAFLD in Fru-challenged mice and the underlying molecular mechanisms were explored. We found that Fru intake significantly led to insulin resistance and dyslipidemia in liver of mice, which were considerably attenuated by CA treatment through repressing endoplasmic reticulum (ER) stress. Additionally, inflammatory response induced by Fru was also attenuated by CA via the blockage of nuclear factor-κB (NF-κB), mitogen-activated protein kinases (MAPKs) and tumor necrosis factor α/TNF-α receptor (TNF-α/TNFRs) signaling pathways. Moreover, Fru-provoked oxidative stress in liver tissues was remarkably attenuated by CA mainly through improving the activation of nuclear factor erythroid 2-related factor 2 (Nrf-2). These anti-dyslipidemias, anti-inflammatory and anti-oxidant activities regulated by CA were confirmed in the isolated primary hepatocytes with Fru stimulation. Importantly, the in vitro experiments demonstrated that Fru-induced lipid accumulation was closely associated with inflammatory response and reactive oxygen species (ROS) production regulated by TNF-α and Nrf-2 signaling pathways, respectively. In conclusion, these results demonstrated that CA could be considered as a potential therapeutic strategy to attenuate metabolic disorder and NAFLD in Fru-challenged mice mainly through suppressing inflammatory response and oxidative stress.
format article
author Ling Li
Bo Fang
Yinglei Zhang
Liuqing Yan
Yuxin He
Linfeng Hu
Qifei Xu
Qiang Li
Xianling Dai
Qin Kuang
Minxuan Xu
Jun Tan
Chenxu Ge
author_facet Ling Li
Bo Fang
Yinglei Zhang
Liuqing Yan
Yuxin He
Linfeng Hu
Qifei Xu
Qiang Li
Xianling Dai
Qin Kuang
Minxuan Xu
Jun Tan
Chenxu Ge
author_sort Ling Li
title Carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction
title_short Carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction
title_full Carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction
title_fullStr Carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction
title_full_unstemmed Carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction
title_sort carminic acid mitigates fructose-triggered hepatic steatosis by inhibition of oxidative stress and inflammatory reaction
publisher Elsevier
publishDate 2022
url https://doaj.org/article/df14459ae6f848ce862ad59f2546c9c6
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