Icariin

Modify Date: 2024-01-02 15:08:26

Icariin Structure
Icariin structure
 Common Name Icariin
CAS Number 489-32-7 Molecular Weight 676.662
Density 1.6±0.1 g/cm3 Boiling Point 948.5±65.0 °C at 760 mmHg
Molecular Formula C33H40O15 Melting Point 223-225ºC
MSDS Chinese USA Flash Point 300.9±27.8 °C

 Use of Icariin


Icariin is a flavonol glycoside. Icariin inhibits PDE5 and PDE4 activities with IC50s of 432 nM and 73.50 μM, respectively. Icariin also is a PPARα activator.

 Names

Name Icariin
Synonym More Synonyms

 Icariin Biological Activity

Description Icariin is a flavonol glycoside. Icariin inhibits PDE5 and PDE4 activities with IC50s of 432 nM and 73.50 μM, respectively. Icariin also is a PPARα activator.
Related Catalog
Target

PDE5:432 nM (IC50)

PDE4:73.5 μM (IC50)

PPARα

Autophagy
In Vitro Icariin is a cGMP-specific PDE5 inhibitor. The inhibitory effects of Icariin on PDE5 and PDE4 activities are investigated by the two-step radioisotope procedure with 3H-cGMP/ 3H-cAMP. The potency of selectivity of Icariin on PDE5 (PDE4/PDE5 of IC50) is 167.67 times[1]. Cell viability is measured in the present study to evaluate whether Icariin protect endothelial HUVECs from injuries induced by oxidized low-density lipoprotein (ox-LDL). The exposure of the cells to ox-LDL for 24 h significantly decreases the cell viability compared with control group (P<0.05). However, Icariin can inhibit cell injury induced by ox-LDL in a concentration-dependent manner, and has significant difference (P<0.05) compared with ox-LDL-simulated group[3].
In Vivo Icariin is a PPARα activator, induces Cyp4a10 and Cyp4a14, and regulates the mRNA levels of lipid metabolism enzymes and proteins, including fatty acid binding protein, fatty acid oxidation in mitochondria and in peroxisome. Icariin is effective in the treatment of hyperlipidemia. To understand the effect of Icariin on lipid metabolism, effects of Icariin on PPARα and its target genes are investigated. Mice are treated orally with Icariin at doses of 0, 100, 200, and 400 mg/kg, or Clofibrate (500 mg/kg) for five days. Liver total RNA is isolated and the expressions of PPARα and lipid metabolism genes are examined. PPARα and its marker genes Cyp4a10 and Cyp4a14 are induced 2-4 fold by Icariin, and 4-8 fold by Clofibrate. The fatty acid (FA) binding and co-activator proteins Fabp1, Fabp4 and Acsl1 are increased 2-fold. The mRNAs of mitochondrial FA β-oxidation enzymes (Cpt1a, Acat1, Acad1 and Hmgcs2) are increased 2-3 fold. The mRNAs of proximal β-oxidation enzymes (Acox1, Ech1, and Ehhadh) are also increased by Icariin and Clofibrate. The expression of mRNAs for sterol regulatory element-binding factor-1 (Srebf1) and FA synthetase (Fasn) are unaltered by Icariin. The lipid lysis genes Lipe and Pnpla2 are increased by Icariin and Clofibrate[2]. Adult rats are treated orally with Icariin at doses of 0 (control), 50, 100, or 200 mg/kg body weight for 35 consecutive days. The results show that Icariin has virtually no effect on the body weight or organ coefficients of the testes or epididymides. However, 100 mg/kg Icariin significantly increases epididymal sperm counts. In addition, 50 and 100 mg/kg Icariin significantly increase testosterone levels. Furthermore, 100 mg/kg Icariin treatment also affects follicle stimulating hormone receptor (FSHR) and claudin-11 mRNA expression in Sertoli cells. Superoxide dismutase (SOD) activity and malondialdehyde (MDA) levels are measured in the testes; 50 and 100 mg/kg Icariin treatment improve antioxidative capacity, while 200 mg/kg Icariin treatment upregulates oxidative stress[4].
Cell Assay Human umbilical vein endothelial cells (HUVECs) in the logarithmic growth phase are seeded into 96-well plates at a density of 1×104 cells per well, then incubated for 24 hours at 37°C, 5% CO2. After pretreatment with indicated concentration of Icariin (0, 10, 20, 40 μM) for 24 hours, the cells are incubated with or without ox-LDL (100 μg/mL) for next 24 hours. After suction of the liquid in the wells, MTT solution is added to yield a final concentration of 0.5 mg/mL, and incubation is continued for 4 h at 37°C, 5% CO2. MTT solution is removed gently and 150 μL of DMSO is added to each well for 15 min incubation. The absorbance of each sample is measrured on a microplate reader at 490 nm as cell viability[3].
Animal Admin Mice[2] Adult 8-week old male C57BL/6 mice are acclimated for 1-week in a temperature- and humidity-controlled facility with a standard 12-h light schedule. Mice have free access to SPF-grade rodent chow and purified drinking water. Mice are treated with Icariin (100, 200, and 400 mg/kg) for 5 days. Clofibrate (CLO, 500 mg/kg, po for 5 days) is used as a positive control, for negative controls, mice are given 2% CMC (10 mL/kg). 24 h after the last dose, livers are collected for analysis. Rats[4] Forty adult male SD rats weighing 200-290 g (12-16 weeks old) are randomly assigned to groups (n=10 per group) according to their body weight. The rats receive daily intragastric administration of Icariin at 0 (control), 50, 100, or 200 mg/kg per day for 35 consecutive days. The animals are weighed weekly, and the treatments are adjusted accordingly. At the end of the Icariin treatment period, all rats are sacrificed; blood samples are subsequently collected for further analyses of testosterone levels.
References

[1]. Xin ZC, et al. Effects of icariin on cGMP-specific PDE5 and cAMP-specific PDE4 activities. Asian J Androl. 2003 Mar;5(1):15-8.

[2]. Lu YF, et al. Icariin is a PPARα activator inducing lipid metabolic gene expression in mice. Molecules. 2014 Nov 6;19(11):18179-91.

[3]. Hu Y, et al. Effects and mechanisms of icariin on atherosclerosis. Int J Clin Exp Med. 2015 Mar 15;8(3):3585-9.

[4]. Chen M, et al. Effects of icariin on reproductive functions in male rats. Molecules. 2014 Jul 3;19(7):9502-14.

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 948.5±65.0 °C at 760 mmHg
Melting Point 223-225ºC
Molecular Formula C33H40O15
Molecular Weight 676.662
Flash Point 300.9±27.8 °C
Exact Mass 676.236694
PSA 238.20000
LogP 2.48
Vapour Pressure 0.0±0.3 mmHg at 25°C
Index of Refraction 1.679

 Safety Information

Hazard Codes Xi
RIDADR NONH for all modes of transport
HS Code 2932999099

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles33

More Articles
Icariin promotes histone acetylation and attenuates post-stroke cognitive impairment in the central cholinergic circuits of mice.

Neuroscience 236 , 281-8, (2013)

Post-stroke dementia (PSD) is a common clinical disease and the central cholinergic circuits are important to cognitive function. Icariin (ICA), a flavonoid isolated from Herba Epimedii, was reported ...
High-performance liquid chromatography-based multivariate analysis to predict the estrogenic activity of an Epimedium koreanum extract.

Biosci. Biotechnol. Biochem. 76(5) , 923-7, (2012)

This study characterizes the correlation between the chemical fingerprint and estrogenic activity of an Epimedium koreanum extract. The estrogenic activity of 31 E. koreanum extract samples was evalua...
Inhibitory effect of icariin on Ti-induced inflammatory osteoclastogenesis.

J. Surg. Res. 192(2) , 447-53, (2014)

Wear particle-induced periprosthetic osteolysis that results in aseptic loosening is the most common cause of long-term failure after total joint replacement.Icariin (ICA), a flavonoid isolated from E...

 Synonyms

ICARRIN
ICARIN
Icariin
Ieariline
Icariil
ICARIINE
Epimedim P.E
Icariln
Icraiin
4'-O-methyl-8-γ,γ-dimethylallylkaempferol-3-rhamnoside-7-glucoside
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Related Compounds: More...
hydroxyl icariin
2043020-08-0
Icariin peracetate
56692-02-5
Icariin derivative
1067198-74-6
Chemsrc provides Icariin(CAS#:489-32-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Icariin are included as well.>> amp version: Icariin

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