Ginsenoside Re

For research use only.

Catalog No.S3811 Synonyms: Panaxoside Re, Sanchinoside Re, Chikusetsusaponin Ivc

Ginsenoside Re Chemical Structure

Molecular Weight(MW): 947.15

Ginsenoside Re (Ginsenoside B2), an extract from Panax notoginseng, is a major ginsenoside in ginseng and belongs to 20(S)-protopanaxatriol group. It has diverse in vitro and in vivo effects, including vasorelaxant, antioxidant, antihyperlipidemic, and angiogenic actions. Ginsenoside Re decreases the β-amyloid protein (Aβ). Ginsenoside Re plays a role in antiinflammation through inhibition of JNK and NF-κB.

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Biological Activity

Description Ginsenoside Re (Ginsenoside B2), an extract from Panax notoginseng, is a major ginsenoside in ginseng and belongs to 20(S)-protopanaxatriol group. It has diverse in vitro and in vivo effects, including vasorelaxant, antioxidant, antihyperlipidemic, and angiogenic actions. Ginsenoside Re decreases the β-amyloid protein (Aβ). Ginsenoside Re plays a role in antiinflammation through inhibition of JNK and NF-κB.
In vitro

Ginsenoside Re inhibits Ca2+ accumulation in mitochondria during cardiac ischemia/reperfusion, which is attributable to nitric oxide (NO)-induced Ca2+ channel inhibition and K+ channel activation in cardiac myocytes. Ginsenoside Re activates endothelial NO synthase (eNOS) to release NO, resulting in activation of the slowly activating delayed rectifier K+ current. However, ginsenoside Re does not stimulate proliferation of androgen-responsive LNCaP cells and estrogen-responsive MCF-7 cells, implying that ginsenoside Re does not activate a genomic pathway of sex hormone receptors. ginsenoside Re induces phosphorylation of Akt in cardiomyocytes in a concentration-dependent manner. Ginsenoside Re is a partial agonist of the AR, ERα, and PR. It is a partial antagonist, but not an agonist, of the genomic pathway of AR or ERα[1].

In vivo The absorption of Re is fast in gastrointestinal tract. Re may be metabolized mainly to Rh1 and F1 by intestinal microflora before absorption into blood; and Re is quickly cleared from the body. In cardiovascular system, Re possesses negative effects on cardiac contractility and autorhythmicity, anti-arrhythmic and anti-ischemic effects, angiogenic regeneration activities and cardiac electrophysiological functions. Re reaches peak concentration in plasma within about 45 minutes after oral administration of total panax notoginsenoside (TPNG) powder in rats, suggesting a rapid absorption in gastrointestinal tract. The absolute bioavailability of Re is 7.06%. In pharmacokinetic study using ICR mice, the time to reach the peak plasma concentration after oral administration is 0.4 ± 0.2 hour and the oral bioavailability is 0.19-0.28%. Re is rapidly cleared from the body within 0.2 ± 0.03 hour for male mice and 0.5 ± 0.08 hour for female mice after intravenous administration[2]. Re administration in ob/ob mice significantly reduces fasting blood glucose levels, improves glucose tolerance and systemic insulin sensitivity without affecting body weight. These events are mediated, at least in part, by the changes in skeletal muscle gene expression[3].

Protocol

Cell Research:[1]
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  • Cell lines: MCF-7 and LNCaP cells
  • Concentrations: 10 μM
  • Incubation Time: 5 days
  • Method: Cells are seeded in triplicate at a density of 1.6 × 105 cells/ml in phenolred-free DMEM/F12 with 10% charcoal-treated fetal bovine serum. Five days after cells have been incubated in the presence of 17β-estradiol (E2; 10 nM), 5α-dihydrotestosterone (DHT; 10 nM), or ginsenoside Re (10 μM), they are collected and cell numbers are counted.
    (Only for Reference)
Animal Research:[3]
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  • Animal Models: Adult male C57BL/6J ob/ob mice
  • Dosages: 7, 20 and 60 mg/kg
  • Administration: i.p.
    (Only for Reference)

Solubility (25°C)

In vitro DMSO 100 mg/mL (105.57 mM)

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 947.15
Formula

C48H82O18

CAS No. 52286-59-6
Storage powder
in solvent
Synonyms Panaxoside Re, Sanchinoside Re, Chikusetsusaponin Ivc
Smiles CC1OC(OC2C(O)C(O)C(CO)OC2OC3CC4(C)C(CC(O)C5C(CCC45C)C(C)(CCC=C(C)C)OC6OC(CO)C(O)C(O)C6O)C7(C)CCC(O)C(C)(C)C37)C(O)C(O)C1O

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID