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S0417

Sigma-Aldrich

Silibinin

≥98% (HPLC)

Synonyme(s) :

2,3-Dihydro-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-6-(3,5,7-trihydroxy-4-oxobenzopyran-2-yl)benzodioxin, Silybin

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About This Item

Formule empirique (notation de Hill):
C25H22O10
Numéro CAS:
22888-70-6
Poids moléculaire :
482.44
Numéro CE :
245-302-5
Numéro MDL:
MFCD03225424
Code UNSPSC :
12352204
ID de substance PubChem :
24899437
Nomenclature NACRES :
NA.83

Pureté

≥98% (HPLC)

Température de stockage

−20°C

Chaîne SMILES 

COc1cc(ccc1O)[C@@H]2Oc3cc(ccc3O[C@H]2CO)[C@H]4Oc5cc(O)cc(O)c5C(=O)[C@H]4O

InChI

1S/C25H22O10/c1-32-17-6-11(2-4-14(17)28)24-20(10-26)33-16-5-3-12(7-18(16)34-24)25-23(31)22(30)21-15(29)8-13(27)9-19(21)35-25/h2-9,20,23-29,31H,10H2,1H3/t20-,23+,24-,25?/m0/s1

Clé InChI

SEBFKMXJBCUCAI-ILJKEPSESA-N

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Description générale

Silibinin, a principal component of silymarin, is a flavonolignan and an orally active flavonoid. It is isolated from the seeds of milk thistle (Sylibum marianum L).

Application

Silibinin has been used:
  • to study its effect on gene expression levels of various proteins involved in chromatin regulations of prostate cancer, by real time polymerase chain reaction (RT-PCR)
  • to study its effect on cell proliferation in platelet-derived growth factor (PDGF)-treated human tenon′s fibroblasts (HTFs) by investigating the expression of proliferating cell nuclear antigen (PCNA) and by water-soluble tetrazolium salt (WST-1) assay
  • to examine its effect on gene expression levels of stromelysine 1 (STM1), acetyl hexoseamines and collagen production during skin wound healing
  • to study its inhibitory effect on Escherichia coli ATP synthase

Actions biochimiques/physiologiques

Silibinin functions as a hepatoprotectant in patients with acute and chronic liver injury. This flavonoid fights against various cancer cells including, prostate, skin, breast, colon, lung, bladder and hepatocellular carcinoma (HCC). Silibinin exhibits its efficacy as an anti-cancer agent by blocking the secretion of proangiogenic factors from tumor cells, and by hindering growth and inducing apoptotic death of endothelial cells. In addition, it also interrupts capillary tube formation on Matrigel. Silibinin might be a good candidate for chemoprevention of prostate cancer (PC). It might be used as a potential therapeutic regimen for the treatment of endometriosis in vitro and in vivo.

Composants

Contains both A and B diastereomers

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302

Classification des risques

Acute Tox. 4 Oral

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Silibinin efficacy against human hepatocellular carcinoma
Varghese L, et al.
Clinical Cancer Research, 11(23), 8441-8448 (2005)
Chapla Agarwal et al.
Oncogene, 22(51), 8271-8282 (2003-11-14)
Silymarin, a defined mixture of natural flavonoid, has recently been shown to have potent cancer chemopreventive efficacy against colon carcinogenesis in rat model; however, the mechanism of such efficacy is not elucidated. Here, using pure active agent in silymarin, namely
Zoe Mariño et al.
Journal of hepatology, 58(3), 415-420 (2012-10-16)
Hepatitis C recurrence after liver transplantation (LT) is the main problem of most transplant programs. We aimed at assessing the antiviral activity and safety of intravenous silibinin (SIL) administered daily during the peri-transplant period. This was a single-centre, prospective, randomized
Chiu-Mei Lin et al.
Journal of agricultural and food chemistry, 60(51), 12451-12457 (2012-12-06)
Silibinin is a flavonoid with antihepatotoxic properties and pleiotropic anticancer capabilities. This study investigated silibinin inhibition of cell invasion by down-regulating matrix metalloproteinase-2 (MMP-2) expression, via attenuation of activator protein-1 (AP-1) in IL-6-stimulated LoVo colon cancer cells. Western blot data
C H Lin et al.
British journal of pharmacology, 168(4), 920-931 (2012-09-26)
Hypoxia-mediated neovascularization plays an important role in age-related macular degeneration (AMD). There are few animal models or effective treatments for AMD. Here, we investigated the effects of the flavonoid silibinin on hypoxia-induced angiogenesis in a rat AMD model. Retinal pigmented
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