Ginsenoside Rg2

Modify Date: 2024-01-02 21:09:10

Ginsenoside Rg2 structure	Common Name	Ginsenoside Rg2
	CAS Number	52286-74-5	Molecular Weight	785.013
	Density	1.3±0.1 g/cm3	Boiling Point	881.0±65.0 °C at 760 mmHg
	Molecular Formula	C₄₂H₇₂O₁₃	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	486.6±34.3 °C
	Symbol	GHS07	Signal Word	Warning

Use of Ginsenoside Rg2

Ginsenoside Rg2 is one of the major active components of ginseng. Ginsenoside Rg2 acts as a NF-κB inhibitor. Ginsenoside Rg2 also reduces Aβ1-42 accumulation.

Name	ginsenoside Rg2
Synonym	More Synonyms

Description	Ginsenoside Rg2 is one of the major active components of ginseng. Ginsenoside Rg2 acts as a NF-κB inhibitor. Ginsenoside Rg2 also reduces Aβ1-42 accumulation.
Related Catalog	Signaling Pathways >> Neuronal Signaling >> Amyloid-β Research Areas >> Neurological Disease Natural Products >> Terpenoids and Glycosides Research Areas >> Cardiovascular Disease
Target	NF-κB Aβ1-42
In Vitro	Ginsenoside Rg2 prevents the decrease of IκB expression stimulated with lipopolysaccharide (LPS). IκB dissociation from RelA-p50 complex is crucial for NF-κB activity. Ginsenoside Rg2, protopanaxatriol, inhibits vascular cell adhesion molecule 1 (VCAM-1) and intercellular adhesion molecule 1 (ICAM-1) expression stimulated with LPS from human umbilical vein endothelial cell (HUVEC). The inhibition of VCAM-1 and ICAM-1 expression by Ginsenoside Rg2 is in a concentration-dependent manner, significantly. Treatment of endothelial cells with LPS (1µg/mL) decreases IκBα expression. By 1 hr after LPS treatment, significant decrease of IκBα is attained. To determine whether LPS-stimulated IκBα expression is affected by Ginsenoside Rg2, endothelial cells are treated for 1 hr with Ginsenoside Rg2 (1~50 µM) prior to LPS (1 µg/mL) stimulation for 1 hr. Ginsenoside Rg2 reverses the decrease of LPS-induced IκBα expression in a concentration-dependent manner, significantly. The adhesion of THP-1 cells to endothelial cells is measured using quantitative monolayer adhesion assay. The adhesion of THP-1 cells onto endothelial cells are increased to five folds by LPS (1 µg/mL) stimulation for 8 hrs. Ginsenoside Rg2 (1~50 µM) inhibits the adhesion of THP-1 cells to endothelial cells stimulated with LPS, in a concentration-dependent manner[1].
In Vivo	G-Rg1 and Ginsenoside Rg2 (G-Rg2) reduce the escape latencies on the last two training days compared to the Alzheimer's disease (AD) model group (p<0.05). In the spatial exploration test, the total time spent in the target quadrant and the number of mice that exactly crossed the previous position of the platform are clearly shorter and lower, respectively, in the AD model group mice than in the normal control group mice (p<0.01), a trend that is reversed by treatment with G-Rg1 and Ginsenoside Rg2 (G-Rg1, p<0.01; Ginsenoside Rg2, p<0.05). Treatment with G-Rg1 and Ginsenoside Rg2 effectively improve cognitive function of the mice that have declined due to AD. G-Rg1 and Ginsenoside Rg2 reduce Aβ1-42 accumulation in APP/PS1 mice. In the G-Rg1 and Ginsenoside Rg2 treated mice, the pathological abnormalities observed in the APP/PS1 mice are gradually ameliorated. Clear nucleoli and light brown, sparsely scattered Aβ deposits are visible[2].
Cell Assay	HUVECs ares grown in EBM-2 containing 10% FBS at a density of 2.0×105 cells/well on 24-well plates. Endothelial cells at 90~95% confluence are treated with Ginsenoside Rg2 (1, 20, 50 µM) for 1 hr prior to 1 µg/mL of LPS stimulation for 8 hr. THP-1 cells are labeled with Calcein-AM (5 µM) in RPMI 1640 medium containing 10% FBS for 30 min. After extensive washing with PBS, the labeled THP-1 cells are seeded at a density of 5.0×105 cells/well onto endothelial cells which are treated with the Rg2 and/or LPS and, then, incubated for 1 hr at 37°C while gentle shaking. After incubation, non-adherent cells are removed by gentle washing two times with PBS. Photograph images are obtained at 485 nm excitation and 538 nm emission using a SPOT II digital camera-attached fluorescence microscope[1].
Animal Admin	Mice[2] Male APP/PS1 mice, weighing 20±2 g, and male C57BL/6J mice, weighing 20±2 g, are used. The animals are maintained in an air-conditioned animal center at 23±2°C and a relative humidity of 50±10%, with a natural light-dark cycle. Food and water are available ad libitum. After acclimatization for 1 wk, the mice are divided into four groups (n=10 in each group): the normal control group, the AD model group, the G-Rg1 group, and the Ginsenoside Rg2 group. According to the concentration-response curves, the mice in the G-Rg1 and Ginsenoside Rg2 groups are injected intraperitoneally once daily with G-Rg1 and Ginsenoside Rg2 (30 mg/kg), respectively, dissolved in saline. The mice in the AD model group (APP/PS1 mice) and the normal control group (C57BL/6J nontransgenic littermates) are treated with isodose saline (0.9% w/v). All mice are treated for 1 mo before brain metabolite profiling.
References	[1]. Cho YS, et al. Ginsenoside rg2 inhibits lipopolysaccharide-induced adhesion molecule expression in human umbilical vein endothelial cell. Korean J Physiol Pharmacol. 2013 Apr;17(2):133-7. [2]. Li N, et al. A UPLC/MS-based metabolomics investigation of the protective effect of ginsenosides Rg1 and Rg2 in mice with Alzheimer's disease. J Ginseng Res. 2016 Jan;40(1):9-17.

Density	1.3±0.1 g/cm3
Boiling Point	881.0±65.0 °C at 760 mmHg
Molecular Formula	C₄₂H₇₂O₁₃
Molecular Weight	785.013
Flash Point	486.6±34.3 °C
Exact Mass	784.497314
PSA	218.99000
LogP	6.78
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.593
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LZ6430000

CHEMICAL NAME :: beta-D-Glucopyranoside, (3-beta,6-alpha,12-beta)-3,12,20-trihydroxydammar-24- en-6-yl- 2-O-(6-deoxy-alpha-L-mannopyranosyl)-

CAS REGISTRY NUMBER :: 52286-74-5

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C42-H72-O13

MOLECULAR WEIGHT :: 785.14

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1340 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 25,343,1975

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Hazard Codes	Xn
Risk Phrases	22
Safety Phrases	24/25
RIDADR	NONH for all modes of transport
RTECS	LZ6430000
HS Code	29389090

Microbial transformation of 20(S)-protopanaxatriol-type saponins by Absidia coerulea.

J. Nat. Prod. 70(7) , 1203-6, (2007)

Three 20(S)-protopanaxatriol-type saponins, ginsenoside-Rg1 (1), notoginsenoside-R1 (2), and ginsenoside-Re (3), were transformed by the fungus Absidia coerulea (AS 3.3389). Compound 1 was converted i...

Properties of ginseng saponin inhibition of catecholamine secretion in bovine adrenal chromaffin cells.

Eur. J. Pharmacol. 341(2-3) , 139-44, (1998)

To investigate the relationship between the inhibitory effects of ginseng saponins (ginsenosides) on acetylcholine-evoked secretion of catecholamines and the structures of ginsenosides, we examined th...

Characterization of ginseng saponin ginsenoside-Rg(3) inhibition of catecholamine secretion in bovine adrenal chromaffin cells.

Biochem. Pharmacol. 62(7) , 943-51, (2001)

Since ginsenoside-Rg(3), one of the panaxadiol saponins isolated from the ginseng root, significantly inhibited the secretion of catecholamines from bovine adrenal chromaffin cells stimulated by acety...

MFCD00210511

CHIKUSETSUSAPONIN I

(3β,6α,12β)-3,12,20-Trihydroxydammar-24-en-6-yl-2-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside

(3β,6α,12β)-3,12,20-Trihydroxydammar-24-en-6-yl 2-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside

Ginsenoside Rg2

(2S,3R,4R,5R,6S)-2-{[(2R,3R,4S,5S,6R)-2-({(3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-17-[(2S)-2-hydroxy-6-methyl-5-hepten-2-yl]-4,4,8,10,14-pentamethylhexadecahydro-1H-cyclopenta[a]phenanthren-6-yl}oxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl]oxy}-6-methyltetrahydro-2H-pyran-3,4,5-triol

GINSENOSIDE Rg2(SH)

mannopyranosyl)

β-D-Glucopyranoside, (3β,6α,12β)-3,12,20-trihydroxydammar-24-en-6-yl 2-O-(6-deoxy-α-L-mannopyranosyl)-

Ginsenoside 20(s)-Rg2

GinsesideRg2

GinsenosideRg2

(2S,3R,4R,5R,6S)-2-{[(2R,3R,4S,5S,6R)-2-({(3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-17-[(2S)-2-hydroxy-6-méthyl-5-heptèn-2-yl]-4,4,8,10,14-pentaméthylhexadécahydro-1H-cyclopenta[a]phénanthrén-6-yl}oxy)-4,5-dihydroxy-6-(hydroxyméthyl)tétrahydro-2H-pyran-3-yl]oxy}-6-méthyltétrahydro-2H-pyran-3,4,5-triol

anaxatriol

PROSAPOGENIN C2

iGInsenoside Rg2

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Ginsenoside Rg2

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