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KMID : 0352720220460020206
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Journal of Ginseng Research
2022 Volume.46 No. 2 p.206 ~ p.213
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Ginsenoside Rb2: A review of pharmacokinetics and pharmacological effects
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Miao Longxing
Yang Yijun
Li Zhongwen
Fang Zengjun
Zhang Yongqing
Han Chun-Chao
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Abstract
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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.
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KEYWORD
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Ginsenoside Rb2, Pharmacokinetics, Pharmacology
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