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Untargeted Metabolomics Reveals Dose-Response Characteristics for Effect of Rhubarb in a Rat Model of Cholestasis

Overview of attention for article published in Frontiers in Pharmacology, March 2016
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Title
Untargeted Metabolomics Reveals Dose-Response Characteristics for Effect of Rhubarb in a Rat Model of Cholestasis
Published in
Frontiers in Pharmacology, March 2016
DOI 10.3389/fphar.2016.00085
Pubmed ID
Authors

Zhang, Cong-En, Niu, Ming, Li, Rui-Yu, Feng, Wu-Wen, Ma, Xiao, Dong, Qin, Ma, Zhi-Jie, Li, Guang-Quan, Meng, Ya-Kun, Wang, Ya, Yin, Ping, He, Lan-Zhi, Li, Yu-Meng, Tan, Peng, Zhao, Yan-Ling, Wang, Jia-Bo, Dong, Xiao-Ping, Xiao, Xiao-He

Abstract

Cholestasis is a serious manifestation of liver diseases with limited therapies. Rhubarb, a widely used herbal medicine, has been frequently used at a relatively large dose for treating cholestasis. However, whether large doses are optimal and the therapeutic mechanism remain unclear. To explore these questions, the anti-cholestatic effect of five doses of rhubarb (0.21, 0.66, 2.10, 6.60, and 21.0 g/kg) in an alpha-naphthylisothiocyanate (ANIT)-induced rat model of cholestasis was examined by histopathology and serum biochemistry. A dose-dependent anti-cholestatic effect of rhubarb (0.21-6.6 g/kg) was observed, and an overdose of 21.0 g/kg showed a poor effect. LC-MS-based untargeted metabolomics together with pathway analysis were further applied to characterize the metabolic alterations induced by the different rhubarb doses. Altogether, 13 biomarkers were identified. The dose-response curve based on nine important biomarkers indicated that doses in the 0.42-6.61 g/kg range (EC20-EC80 range, corresponding to 4.00-62.95 g in the clinic) were effective for cholestasis treatment. The pathway analysis showed that bile acid metabolism and excretion, inflammation and amino acid metabolism were altered by rhubarb in a dose-dependent manner and might be involved in the dose-response relationship and therapeutic mechanism of rhubarb for cholestasis treatment.

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Mendeley readers

The data shown below were compiled from readership statistics for 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 20 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 25%
Student > Bachelor 2 10%
Other 1 5%
Student > Doctoral Student 1 5%
Professor 1 5%
Other 3 15%
Unknown 7 35%
Readers by discipline Count As %
Chemistry 3 15%
Agricultural and Biological Sciences 3 15%
Biochemistry, Genetics and Molecular Biology 2 10%
Medicine and Dentistry 2 10%
Pharmacology, Toxicology and Pharmaceutical Science 1 5%
Other 2 10%
Unknown 7 35%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 31 March 2016.
All research outputs
#20,317,110
of 22,858,915 outputs
Outputs from Frontiers in Pharmacology
#10,100
of 16,130 outputs
Outputs of similar age
#255,093
of 301,001 outputs
Outputs of similar age from Frontiers in Pharmacology
#65
of 94 outputs
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