Journal of Ginseng Research

The Korean Society of Ginseng (고려인삼학회)
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Ginsenoside Rb2: A review of pharmacokinetics and pharmacological effects

  • Miao, Longxing (School of Pharmacy, Shandong University of Traditional Chinese Medicine) ;
  • Yang, Yijun (Department of Pharmacy, Shandong Medical College) ;
  • Li, Zhongwen (Department of Pharmacy, Shandong Medical College) ;
  • Fang, Zengjun (The Second Hospital, Cheeloo College of Medicine, Shandong University) ;
  • Zhang, Yongqing (School of Pharmacy, Shandong University of Traditional Chinese Medicine) ;
  • Han, Chun-chao (School of Pharmacy, Shandong University of Traditional Chinese Medicine)
  • Received : 2021.03.23
  • Accepted : 2021.11.12
  • Published : 2022.03.01
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Abstract

Ginsenoside Rb2 is an active protopanaxadiol-type saponin, widely existing in the stem and leave of ginseng. Rb2 has recently been the focus of studies for pharmaceutical properties. This paper provides an overview of the preclinical and clinical pharmacokinetics for Rb2, which exhibit poor absorption, rapid tissue distribution and slow excretion through urine. Pharmacological studies indicate a beneficial role of Rb2 in the prevention and treatment of diabetes, obesity, tumor, photoaging, virus infection and cardiovascular problems. The underlying mechanism is involved in an inhibition of oxidative stress, ROS generation, inflammation and apoptosis via regulation of various cellular signaling pathways and molecules, including AKT/SHP, MAPK, EGFR/SOX2, TGF-β1/Smad, SIRT1, GPR120/AMPK/HO-1 and NF-κB. This work would provide a new insight into the understanding and application of Rb2. However, its therapeutic effects have not been clinically evaluated. Further studies should be aimed at the clinical treatment of Rb2.

Keywords

Acknowledgement

This work was supported by the Project of Shandong Provincial Medical Association Foundation (Grant No. YXH2020ZX050), Shandong Provincial Natural Science Foundation, China (ZR2020MH370), the Project of Shandong Province Key Research and Development Program (Grant No. 2017YYSP030), and Ji'nan Science and Technology Project (Grant No. 201303055), Shandong Medical and Health Science and Technology Development Project (Grant No. 2017WSB13007).

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