RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in rats

Abstract Background Sepsis causes neutrophil sequestration in the lung which leads to acute lung injury (ALI). Radix Ginseng (RG), a traditional herb used as herbal remedy in eastern Asia for thousands of years, which has been traditionally used in China to improve blood circulation and ameliorate p...

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Main Authors: Qing Yuan, Yan-wen Jiang, Ting-ting Ma, Qiu-hong Fang, Lei Pan
Format: Article
Language:English
Published: BMC 2014-12-01
Series:Journal of Inflammation
Subjects:
Online Access:https://doi.org/10.1186/s12950-014-0040-5
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author Qing Yuan
Yan-wen Jiang
Ting-ting Ma
Qiu-hong Fang
Lei Pan
author_facet Qing Yuan
Yan-wen Jiang
Ting-ting Ma
Qiu-hong Fang
Lei Pan
author_sort Qing Yuan
collection DOAJ
description Abstract Background Sepsis causes neutrophil sequestration in the lung which leads to acute lung injury (ALI). Radix Ginseng (RG), a traditional herb used as herbal remedy in eastern Asia for thousands of years, which has been traditionally used in China to improve blood circulation and ameliorate pathological hemostasis. This study investigated whether Ginsenoside Rb1, the main components of RG, can attenuate ALI induced by LPS. Methods In vivo, 30 male Wistar rats were divided into three groups (n = 10 each groups) on the basis of the reagent used, which were subjected to LPS injection with or without Ginsenoside Rb1 (5 mg/kg) treatments to induce ALI model. Lung injury was assessed by pulmonary histology, lung wet-weight to dry-weight (W/D) ratio, the number of myeloperoxidase (MPO) positive cells, immunohistochemical analysis of intercellular adhesion molecule-1 (ICAM-1), gene expression of ICAM-1, ultrastructure changes of pulmonary microvasculature, concentration of inflammatory markers and in plasma. In vitro, pulmonary microvascular endothelial cells (PMVECs) were stimulated with LPS in the presence and absence of Ginsenoside Rb1 (50 mM), nuclear factor-κB (NF-κB) p65 was measured by immunocytochemistry staining and western blotting. Results Infusion of LPS induced lung injury, in vivo, as demonstrated by pulmonary edema with infiltration of neutrophils and hemorrhage, the increase in lung W/D ratio, the number of MPO positive cells, the level of inflammatory markers such as TNF-α, MCP-1 and IL-8, enhanced expression of ICAM-1 and ICAM-1 gene. Moreover, resulted in the changes of intercellular junctions in the endothelial cells of pulmonary microvasculature. In vitro, the significant increased release of NF-κB p65 and its subsequent translocation into the nucleus in PMVECs were observed. In contrast, Ginsenoside Rb1 treatment significantly ameliorated the LPS-induced lung injury, as judged by the marked improvement in all these indices. Conclusions These results indicate that Ginsenoside Rb1 attenuated LPS-induced lung injury through an inhibition of the inflammatory signaling pathway, besides the direct inhibitory effect on proinflammatory molecules.
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spelling doaj.art-f2ca99a35aa14ec6a0d77c6207df75722023-12-03T12:11:39ZengBMCJournal of Inflammation1476-92552014-12-0111111010.1186/s12950-014-0040-5RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in ratsQing Yuan0Yan-wen Jiang1Ting-ting Ma2Qiu-hong Fang3Lei Pan4Intensive Care Unit of Geriatrics, Beijing Shijitan Hospital Affiliated to Capital Medicine UniversityDepartment of Pulmonary and Critical Care Medicine, Beijing Shijitan Hospital Affiliated to Capital Medicine UniversityDepartment of Geriatrics, Beijing Shijitan Hospital Affiliated to Capital Medicine UniversityDepartment of Pulmonary and Critical Care Medicine, Beijing Shijitan Hospital Affiliated to Capital Medicine UniversityDepartment of Geriatrics, Beijing Shijitan Hospital Affiliated to Capital Medicine UniversityAbstract Background Sepsis causes neutrophil sequestration in the lung which leads to acute lung injury (ALI). Radix Ginseng (RG), a traditional herb used as herbal remedy in eastern Asia for thousands of years, which has been traditionally used in China to improve blood circulation and ameliorate pathological hemostasis. This study investigated whether Ginsenoside Rb1, the main components of RG, can attenuate ALI induced by LPS. Methods In vivo, 30 male Wistar rats were divided into three groups (n = 10 each groups) on the basis of the reagent used, which were subjected to LPS injection with or without Ginsenoside Rb1 (5 mg/kg) treatments to induce ALI model. Lung injury was assessed by pulmonary histology, lung wet-weight to dry-weight (W/D) ratio, the number of myeloperoxidase (MPO) positive cells, immunohistochemical analysis of intercellular adhesion molecule-1 (ICAM-1), gene expression of ICAM-1, ultrastructure changes of pulmonary microvasculature, concentration of inflammatory markers and in plasma. In vitro, pulmonary microvascular endothelial cells (PMVECs) were stimulated with LPS in the presence and absence of Ginsenoside Rb1 (50 mM), nuclear factor-κB (NF-κB) p65 was measured by immunocytochemistry staining and western blotting. Results Infusion of LPS induced lung injury, in vivo, as demonstrated by pulmonary edema with infiltration of neutrophils and hemorrhage, the increase in lung W/D ratio, the number of MPO positive cells, the level of inflammatory markers such as TNF-α, MCP-1 and IL-8, enhanced expression of ICAM-1 and ICAM-1 gene. Moreover, resulted in the changes of intercellular junctions in the endothelial cells of pulmonary microvasculature. In vitro, the significant increased release of NF-κB p65 and its subsequent translocation into the nucleus in PMVECs were observed. In contrast, Ginsenoside Rb1 treatment significantly ameliorated the LPS-induced lung injury, as judged by the marked improvement in all these indices. Conclusions These results indicate that Ginsenoside Rb1 attenuated LPS-induced lung injury through an inhibition of the inflammatory signaling pathway, besides the direct inhibitory effect on proinflammatory molecules.https://doi.org/10.1186/s12950-014-0040-5Acute lung injuryICAM-1Ginsenoside Rb1MPONF-κB P65LPS
spellingShingle Qing Yuan
Yan-wen Jiang
Ting-ting Ma
Qiu-hong Fang
Lei Pan
RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in rats
Journal of Inflammation
Acute lung injury
ICAM-1
Ginsenoside Rb1
MPO
NF-κB P65
LPS
title RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in rats
title_full RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in rats
title_fullStr RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in rats
title_full_unstemmed RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in rats
title_short RETRACTED ARTICLE: Attenuating effect of Ginsenoside Rb1 on LPS-induced lung injury in rats
title_sort retracted article attenuating effect of ginsenoside rb1 on lps induced lung injury in rats
topic Acute lung injury
ICAM-1
Ginsenoside Rb1
MPO
NF-κB P65
LPS
url https://doi.org/10.1186/s12950-014-0040-5
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AT qiuhongfang retractedarticleattenuatingeffectofginsenosiderb1onlpsinducedlunginjuryinrats
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