Ginsenoside Compound K

Modify Date: 2024-01-02 17:13:25

Ginsenoside Compound K structure	Common Name	Ginsenoside Compound K
	CAS Number	39262-14-1	Molecular Weight	622.873
	Density	1.2±0.1 g/cm3	Boiling Point	723.1±60.0 °C at 760 mmHg
	Molecular Formula	C₃₆H₆₂O₈	Melting Point	178 °C
	MSDS	USA	Flash Point	391.1±32.9 °C

Use of Ginsenoside Compound K

Ginsenoside C-K, a bacterial metabolite of G-Rb1, exhibits anti-inflammatory effects by reducing iNOS and COX-2. Ginsenoside C-K exhibits an inhibition against the activity of CYP2C9 and CYP2A6 in human liver microsomes with IC50s of 32.0±3.6 μM and 63.6±4.2 μM, respectively.

Name	(2S,3R,4S,5S,6R)-2-[(2S)-2-[(3S,5R,8R,9R,10R,12R,13R,14R,17S)-3,12-dihydroxy-4,4,8,10,14-pentamethyl-2,3,5,6,7,9,11,12,13,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-methylhept-5-en-2-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol
Synonym	More Synonyms

Description	Ginsenoside C-K, a bacterial metabolite of G-Rb1, exhibits anti-inflammatory effects by reducing iNOS and COX-2. Ginsenoside C-K exhibits an inhibition against the activity of CYP2C9 and CYP2A6 in human liver microsomes with IC50s of 32.0±3.6 μM and 63.6±4.2 μM, respectively.
Related Catalog	Signaling Pathways >> Immunology/Inflammation >> COX Signaling Pathways >> Metabolic Enzyme/Protease >> Cytochrome P450 Signaling Pathways >> Immunology/Inflammation >> NO Synthase Natural Products >> Terpenoids and Glycosides Research Areas >> Inflammation/Immunology
Target	COX-2 iNOS CYP2C9:32 μM (IC50) CYP2A6:63.6 μM (IC50)
In Vitro	Ginsenoside C-K, a bacterial metabolite of G-Rb1, exhibits anti-inflammatory effects mainly by reducing inducible nitric oxide synthase (iNOS), cyclooxygenase (COX)-2, and proinflammatory cytokines. Ginsenoside C-K suppresses the expression of proinflammatory cytokines by downregulating the activities of IRAK-1, MAPKs, IKK-α, and NF-κB in LPS-treated murine peritoneal macrophages. Ginsenoside C-K also suppresses the expression of iNOS and COX-2 by inhibiting NF-κB signaling in LPS-stimulated RAW264.7 cells. In zymosan-treated bone-marrow-derived macrophages (BMDMs) and RAW264.7 cells, Ginsenoside C-K inhibits inflammatory responses by negatively regulating the secretion of proinflammatory cytokines, the activation of MAPKs, and the generation of ROS. In addition, anti-inflammatory activity of Ginsenoside C-K has been observed in LPS-stimulated microglial cells. Ginsenoside C-K hinders inflammatory responses by controlling both the generation of ROS and the activities of MAPKs, NF-κB, and AP-1[1]. Ginsenoside C-K, a major metabolite of ginsenosides in the gastrointestinal tract, inhibits NF-κB signaling in a PXR-dependent manner. Ginsenoside C-K is shown to promote recovery of dextran sulfate sodium (DSS) -induced colitis by suppressing NF-κB activation. Ginsenoside C-K significantly reduces TNF-α-induced upregulation of IL-1β and iNOS mRNA levels, and restores the mRNA levels of PXR and CYP3A4 in LS174T cells[2]. Ginsenoside C-K, one of the intestinal metabolites of 20(S)-protopanaxadiol derivatives, exhibits an inhibition against the activity of CYP2C9 in human liver microsomes with an IC50 value of 32.0±3.6 μM, a weak inhibition against the activity of CYP2A6 in human liver microsomes with an IC50 value of 63.6±4.2 μM, and an even weaker inhibition against the activity of CYP2D6 in human liver microsomes with an IC50 value of more than 100 μM[4].
In Vivo	The weight of the collagen-induced arthritis (CIA) mice increases slowly and is significantly less than that of the normal DBA/1 mice beginning on d 3 after injection of the emulsion. Ginsenoside C-K (28, 56, and 112 mg/kg) mice recover their weight by d 32 after the emulsion injection. Ginsenoside C-K (56 and 112 mg/kg) and Methotrexate (MTX)-treated (2 mg/kg) mice show significantly increased body weight on d 50 as compared with CIA mice. Hind paw-swelling began on d 24 post-immunization. CIA mice are treated from d 28 to d 50. Arthritis scores are measured every 4 d beginning on d 24. Ginsenoside C-K (56 and 112 mg/kg) significantly reduces the arthritis scores of the mice on d 51[3].
Cell Assay	LS174T cells are seeded in cell imaging dish. After overnight incubation, cells are treated with ginseng saponin extract (GSE) (100 μg/mL), Rb1 (10 μM), or Ginsenoside C-K (10 μM) for 3 hours, followed by an additional incubation with or without TNF-α (20 ng/mL) for 6 hours. At the end of the incubation, cells are harvested and fixed with 4% paraformaldehyde solution at 20°C for 20 minutes. After washing in PBS, cells are permeabilized with 0.2% Triton X-100 in PBS at room temperature for 5 minutes. After incubation in blocking buffer containing 0.1% Triton X-100 and 5% bovine serum albumin, cells are incubated with rabbit NF-κB p65 antibody at 4°C overnight and then with Alexa Fluor 488-conjugated anti-rabbit IgG antibody at room temperature for 30 minutes in 1% bovine serum albumin in PBS. Fluorescence photographs are obtained using a Zeiss 710 confocal microscope[2].
Animal Admin	Mice[3] Specific pathogen-free DBA/1 mice (male, 18±2 g) are used. DBA/1 mice are injected intradermally twice with 0.1 mL of this emulsion (containing 100 mg of chicken type II collagen (CII)/mouse) in the back and the base of the tail. The day of the first immunization is defined as d 0, and the booster injection is administered into the back on d 21. After the onset of arthritis, animals are randomly divided into five groups, and each experimental group consists of ten mice. Mice with CIA are intragastrically administered Ginsenoside C-K (28, 56, or 112 mg/kg) once per day or MTX (2 mg/kg) once every 3 d from d 28 to d 51 after immunization. Normal and CIA mice are administered an equal volume of vehicle (CMC-Na) at the same time[3].
References	[1]. Kim JH, et al. Role of ginsenosides, the main active components of Panax ginseng, in inflammatory responsesand diseases. J Ginseng Res. 2017 Oct;41(4):435-443. [2]. Zhang J, et al. Ginsenosides Regulate PXR/NF-κB Signaling and Attenuate Dextran Sulfate Sodium-Induced Colitis. Drug Metab Dispos. 2015 Aug;43(8):1181-9. [3]. Liu KK, et al. Ginsenoside compound K suppresses the abnormal activation of T lymphocytes in mice with collagen-induced arthritis. Acta Pharmacol Sin. 2014 May;35(5):599-612. [4]. Liu Y, et al. Ginsenoside metabolites, rather than naturally occurring ginsenosides, lead to inhibition of human cytochrome P450 enzymes. Toxicol Sci. 2006 Jun;91(2):356-64.

Density	1.2±0.1 g/cm3
Boiling Point	723.1±60.0 °C at 760 mmHg
Melting Point	178 °C
Molecular Formula	C₃₆H₆₂O₈
Molecular Weight	622.873
Flash Point	391.1±32.9 °C
Exact Mass	622.444458
PSA	139.84000
LogP	5.50
Vapour Pressure	0.0±5.3 mmHg at 25°C
Index of Refraction	1.572