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186763-78-0

186763-78-0 structure
186763-78-0 structure
  • Name: Ginsenoside Rg5
  • Chemical Name: (8ξ,9ξ,12α,13ξ,14β,17β)-12-Hydroxy-4,4,7,10,14-pentamethyl-17-[(2 E)-6-methyl-2,5-heptadien-2-yl]gonan-3-yl 2-O-β-D-glucopyranosyl- β-D-glucopyranoside
  • CAS Number: 186763-78-0
  • Molecular Formula: C42H70O12
  • Molecular Weight: 766.998
  • Catalog: Signaling Pathways Protein Tyrosine Kinase/RTK IGF-1R
  • Create Date: 2018-05-10 08:00:00
  • Modify Date: 2024-01-02 15:11:03
  • Ginsenoside Rg5 is the main component of Red ginseng. Ginsenoside blocks binding of IGF-1 to its receptor with an IC50 of ~90 nM. Ginsenoside Rg5 also inhibits the mRNA expression of COX-2 via suppression of the DNA binding activities of NF-κB p65.
Name (8ξ,9ξ,12α,13ξ,14β,17β)-12-Hydroxy-4,4,7,10,14-pentamethyl-17-[(2 E)-6-methyl-2,5-heptadien-2-yl]gonan-3-yl 2-O-β-D-glucopyranosyl- β-D-glucopyranoside
Synonyms β-D-Glucopyranoside, (3β,12β,20E)-12-hydroxydammara-20(22),24-dien-3-yl 2-O-β-D-glucopyranosyl-
(3β,12β,20E)-12-Hydroxydammara-20(22),24-dien-3-yl 2-O-β-D-glucopyranosyl-β-D-glucopyranoside
Ginsenoside Rg5
Description Ginsenoside Rg5 is the main component of Red ginseng. Ginsenoside blocks binding of IGF-1 to its receptor with an IC50 of ~90 nM. Ginsenoside Rg5 also inhibits the mRNA expression of COX-2 via suppression of the DNA binding activities of NF-κB p65.
Related Catalog
Target

IGF-1R:90 nM (IC50)

p65

COX-2

In Vitro Ginsenoside Rg5 plays a novel role as an IGF-1R agonist. Ginsenoside Rg5 binds to IGF-1R with an IC50 value of ~90 and its angiogenic activity is inhibited by IGF-1R knockdown. To investigate the possible interaction of Ginsenoside Rg5 with IGF-1R, a docking analysis is performed. Docking results show that Ginsenoside Rg5 binds strongly at two sites, A and B, with Kd values of 20 and 27 nM, respectively, to the cysteine-rich domain of IGF-1R. Pretreatment with Rg5 blocks the binding of radiolabeled IGF-1 to HUVECs with an IC50 value of ~90 μM, which is greater than an IC50 value of ~1.4 nM for unlabeled IGF-1[1]. The results from MTT assay show that MCF-7 cell proliferation is inhibited by Ginsenoside Rg5 treatment for 24, 48 and 72 h in a dose-dependent manner. Ginsenoside Rg5 at different concentrations (0, 25, 50 and 100 μM), induce cell cycle arrest in G0/G1 phase through regulation of cell cycle-related proteins in MCF-7 cells[3].
In Vivo Ginsenoside Rg5 inhibits the mRNA expression of COX-2 via suppression of the DNA binding activities of NF-κB p65 in lipopolysaccharides (LPS)-stimulated BV2 microglial cells. Rg5 pretreated group mice show declined expression of NF-κB p65 and COX-2. In the group treated with low dose of Ginsenoside Rg5 (10 mg/kg), there is remarkable tubular damage and infiltration of inflammatory cells. However, at the higher dose of Ginsenoside Rg5 (20 mg/kg), tubules markedly appeare histologically normal and no inflammation and cast formation is observed in kidney tissues[2].
Kinase Assay HUVECs are cultured in 24-well plates overnight. The cells are changed to serum-free M199 and incubated for 1 h. The medium is removed, and cells are incubated with fresh serum-free medium containing 0.1 μM-50 mM Ginsenoside Rg5 at 37°C for 20 min followed by the addition of 50 μL (1 μCi) of [125I]IGF-1 and then further incubated for 10 min. The medium is decanted, and cell plates are washed twice with serum-free medium. Cells are lysed in 300 μL of 0.1 N NaOH solution containing 0.1% SDS, transferred to scintillation vials, and mixed with 1 mL of Ultima Gold mixture solution. Cell-associated [125I]IGF-1 is analyzed in a scintillation counter. The nonspecific binding is determined by coincubation with unlabeled IGF-1 (50 nM)[1].
Cell Assay MCF-7 (HER2-/ER+) and MDA-MB-453 (HER2+/ER-) human breast cancer cell lines are maintained using RPMI 1640 medium supplemented with 10% (vol/vol) FBS plus 100 units/mL Penicillin and Streptomycin in a 5% carbon dioxide air incubator at 37°C. Cell cytotoxicity is measured by MTT assay. Cells are seeded in 96-well tissue culture plates at the density of 0.2×104 cells per well with 100 μL medium, and are allowed to become attached for 24 h. One hundred microliters of the medium with different concentrations of Ginsenoside Rg5 (e.g., 0 μM, 25 μM, 50 μM, and 100 μM) are added to each well. At indicated times, 30 μL MTT stock solution (3 mg/mL) are added to each well. After culturing the cells at 37°C for 2 h, DMSO is added to dissolve the formazan crystals. The absorbance is read at the wavelength of 540 nm with a microplate reader[3].
Animal Admin Mice[2] Male ICR mice (6 to 8 weeks old), weighing 25-27 g, are used. After acclimation for one week, mice are randomly assigned into 4 experimental groups with 8 mice in each group: normal control, Cisplatin control, and Cisplatin+Ginsenoside Rg5 groups (10 and 20 mg/kg, respectively). Ginsenoside Rg5 is administered intragastrically at the dose of 10 and 20 mg/kg for 10 days. On the 7th day, animals in Cisplatin control and Ginsenoside Rg5-treated groups receive a single intraperitoneal injection of Cisplatin (25 mg/kg) to induce nephrotoxicity in mice. Mice are anaesthetized with pentobarbital, subsequently sacrificed at 72 h after Cisplatin injection (Day 10). Blood samples are collected and then centrifuged at 3000 rpm to separate the serum and stored at -20 °C for determining blood urea nitrogen (BUN) and creatinine (CRE) levels.
References

[1]. Cho YL, et al. Specific activation of insulin-like growth factor-1 receptor by ginsenoside Rg5 promotes angiogenesis and vasorelaxation. J Biol Chem. 2015 Jan 2;290(1):467-77.

[2]. Li W, et al. Ginsenoside Rg5 Ameliorates Cisplatin-Induced Nephrotoxicity in Mice through Inhibition of Inflammation, Oxidative Stress, and Apoptosis. Nutrients. 2016 Sep 13;8(9). pii: E566.

[3]. Kim SJ, et al. Anti-breast cancer activity of Fine Black ginseng (Panax ginseng Meyer) and ginsenoside Rg5. J Ginseng Res. 2015 Apr;39(2):125-34.
Density 1.3±0.1 g/cm3
Boiling Point 855.6±65.0 °C at 760 mmHg
Molecular Formula C42H70O12
Molecular Weight 766.998
Flash Point 471.2±34.3 °C
Exact Mass 766.486755
PSA 198.76000
LogP 6.81
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.592
Storage condition -20°C
RIDADR NONH for all modes of transport

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