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Natural Products - NF-kB Pathway Inhibitors
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ALX-270-244 Revised 03-Apr-08
Caffeic acid phenylethyl ester
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SYNONYMS CAPE
Phenethyl caffeiate
Caffeic acid phenethyl ester
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-244-M010   10 mg 20.00 USD Add To Cart
ALX-270-244-M050   50 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C17H16O4
MW: 284.3
CAS NUMBER: 115610-29-2
SOURCE/HOST: Synthetic.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white crystalline solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol, methanol, acetone or acetonitrile; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least one year after receipt when stored at –20°C.
HANDLING: Protect from light and moisture.
HAZARD: IRRITANT.

Product Description
Active component of propolis from honeybee hives, known to have anti-mitogenic, anti-carcinogenic, anti-inflammatory, and immunomodulatory properties. Potent and specific inhibitor of NF-κB activation, induced by TNF-α (Prod. No. ALX-522-008 (human) or Prod. No. ALX-522-009 (mouse)), PMA (Prod. No. ALX-445-004) and other inflammatory agents. Exhibits inhibitory activity against HIV-1 integrase (IC50=7µM). Suppresses lipid peroxidation and inhibits ornithine decarboxylase, protein tyrosine kinase and lipoxygenase activities. Induces apoptosis.
Product Specific Literature References
Hydroxylated aromatic inhibitors of HIV-1 integrase: T.R. Burke Jr., et al.; J. Med. Chem. 38, 4171 (1995) Abstract
Apoptosis and altered redox state induced by caffeic acid phenethyl ester (CAPE) in transformed rat fibroblast cells: C. Chiao, et al.; Cancer Res. 55, 3576 (1995) Abstract
Caffeic acid phenethyl ester is a potent and specific inhibitor of activation of nuclear transcription factor NF-kappa B: K. Natarajan, et al.; PNAS 93, 9090 (1996) Abstract
Inhibitory effects of caffeic acid phenethyl ester on the activity and expression of cyclooxygenase-2 in human oral epithelial cells and in a rat model of inflammation: P. Michaluart, et al.; Cancer Res. 59, 2347 (1999) Abstract
Caffeic acid phenethyl ester induces leukocyte apoptosis, modulates nuclear factor-kappa B and suppresses acute inflammation: Z. Orban, et al.; Neuroimmunomodulation 7, 99 (2000) Abstract
Caffeic acid phenethyl ester inhibits T-cell activation by targeting both nuclear factor of activated T-cells and NF-kappaB transcription factors: N. Marquez, et al.; J. Pharmacol. Exp. Ther. 308, 993 (2004) Abstract
Caffeic acid derivatives: in vitro and in vivo anti-inflammatory properties: F.M. da Cunha, et al.; Free Radic. Res. 38, 1241 (2004) Abstract
Drastic effect of several caffeic acid derivatives on the induction of heme oxygenase-1 expression revealed by quantitative real-time RT-PCR: K. Suzuki, et al.; Biofactors 28, 151 (2006) Abstract
 
 
ALX-270-254 Revised 22-Sep-08
Carnosol
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SYNONYMS 1,3,4,9,10,10aS-Hexahydro-5,6-dihydroxy-1,1-dimethyl-7-isopropyl-2H-9S,4aR-(epoxymethano)phenanthren-12-one
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-254-M001   1 mg 60.00 USD Add To Cart
ALX-270-254-M005   5 mg 269.00 USD Add To Cart
Product Specification
FORMULA: C20H26O4
MW: 330.4
CAS NUMBER: 5957-80-2
SOURCE/HOST: Isolated from Rosmarinus officinalis.
PURITY: ≥96%
APPEARANCE: White to beige solid.
SOLUBILITY: Soluble in 100% ethanol (8mg/ml), DMSO (250mg/ml) or dimethyl formamide (35mg/ml); sparingly soluble in aqueous PBS, pH 7.2 (<30μg/ml).
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least 1 year when stored at -20°C. We do not recommend storing aqueous solutions for more than one day.
HANDLING: Protect from light.

Product Description
Naturally occurring phenolic compound with antioxidant and anti-inflammatory properties. Suppresses nitric oxide (NO) production and inducible nitric oxide synthase (iNOS; NOS II) gene expression by inhibiting NF-κB activation. Inhibits lipid peroxidation. Antimicrobial. Anticarcinogenic. Inhibits cyclooxygenase-2 (COX-2).
Product Specific Literature References
Antioxidant and pro-oxidant properties of active rosemary constituents: carnosol and carnosic acid: O.I. Aruoma, et al.; Xenobiotica 22, 257 (1992) Abstract
Effects of three dietary phytochemicals from tea, rosemary and turmeric on inflammation-induced nitrite production: M.M. Chan, et al.; Cancer Lett. 96, 23 (1995) Abstract
Inhibition of lipid peroxidation and superoxide generation by diterpenoids from Rosmarinus officinalis: H. Haraguchi, et al.; Planta Med. 61, 333 (1995) Abstract
Inhibition by rosemary and carnosol of 7,12-dimethylbenz[a]anthracene (DMBA)-induced rat mammary tumorigenesis and in vivo DMBA-DNA adduct formation: K. Singletary, et al.; Cancer Lett. 104, 43 (1996) Abstract
Development of in vitro models for cellular and molecular studies in toxicology and chemoprevention: K. Macé, et al.; Arch. Toxicol. Suppl. 20, 227 (1998) Abstract
Carnosol, an antioxidant in rosemary, suppresses inducible nitric oxide synthase through down-regulating nuclear factor-kappaB in mouse macrophages: A.H. Lo, et al.; Carcinogenesis 23, 983 (2002) Abstract
Carnosic acid and carnosol, phenolic diterpene compounds of the labiate herbs rosemary and sage, are activators of the human peroxisome proliferator-activated receptor gamma: O. Rau, et al.; Planta Med. 72, 881 (2006) Abstract
Potentiation of antimicrobial activity of aminoglycosides by carnosol from Salvia officinalis: K. Horiuchi, et al.; Biol. Pharm. Bull. 30, 287 (2007) Abstract
 
 
ALX-270-480 Revised 10-Mar-08
Caffeic acid ethyl ester
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SYNONYMS CAEE
Ethyl caffeate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
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ALX-270-480-M050   50 mg 20.00 USD Add To Cart
ALX-270-480-M250   250 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C11H12O4
MW: 208.2
CAS NUMBER: 66648-50-8
SOURCE/HOST: Synthetic.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least one year after receipt when stored at -20°C.
HANDLING: Protect from light and moisture.

Product Description
Shows anti-carcinogenic, anti-inflammatory and immunomodulatory properties. Suppresses lipopolysaccharide (LPS)-induced nitric oxide (NO) production (IC50=5.5µg/ml). Potent and specific inhibitor of NF-κB and its downstream inflammatory mediators inducible nitric oxide synthase (iNOS; NOS II), prostaglandin E2 (PGE2) and cyclooxygenase-2 (COX-2). Prevents DNA single-strand breaks caused by H2O2.
Product Specific Literature References
Inhibitory effects of caffeic acid ethyl ester on H2O2-induced cytotoxicity and DNA single-strand breaks in Chinese hamster V79 cells: T. Nakayama, et al.; Biosci. Biotechnol. Biochem. 60, 316 (1996) Abstract
Ethyl caffeate suppresses NF-kappaB activation and its downstream inflammatory mediators, iNOS, COX-2, and PGE2 in vitro or in mouse skin: Y.M. Chiang, et al.; Br. J. Pharmacol. 146, 352 (2005) Abstract
Antitumor activity of some natural flavonoids and synthetic derivatives on various human and murine cancer cell lines: M. Cardenas, et al.; Bioorg. Med. Chem. 14, 2966 (2006) Abstract
Drastic effect of several caffeic acid derivatives on the induction of heme oxygenase-1 expression revealed by quantitative real-time RT-PCR: K. Suzuki, et al.; Biofactors 28, 151 (2006) Abstract
 
 
ALX-350-028 Revised 12-Sep-08
Curcumin (high purity)
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SYNONYMS 1,7-bis(4-Hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione
Diferuloylmethane
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-028-M010   10 mg 15.00 USD Add To Cart
ALX-350-028-M050   50 mg 60.00 USD Add To Cart
ALX-350-028-M250   250 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C21H20O6
MW: 368.4
CAS NUMBER: 458-37-7
MERCK INDEX: 14: 2673
SOURCE/HOST: Isolated from turmeric (Curcuma longa).
PURITY: ≥98.5% (Note: This highly purified product is free of demethoxy- and bis-demethoxycurcumin and does not contain 30-40% bioactive impurities)
APPEARANCE: Orange-yellow crystalline powder.
SOLUBILITY: Soluble in acetic acid or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HANDLING: Protect from light.

Product Description
Dual inhibitor of cyclooxygenase (COX) and 5-lipoxygenase. Also inhibits glutathione S-transferase, induction of nitric oxide (NO) in activated macrophages and inhibits EGF-induced tyrosine phosphorylation of EGF receptors. Antioxidant. Inhibitor of NAD(P)H:quinone oxidoreductase 1 (NQO1), disrupting the binding of NQO1 to wild type p53 inducing ubiquitin-independent degradation of p53 and inhibits p53-mediated apoptosis in normal thymocytes and myeloid leukemic cells.
Product Specific Literature References
Modification of certain inflammation-induced biochemical changes by curcumin: R. Srivastava & R.C. Srimal; Indian J. Med. Res. 81, 215 (1985) Abstract
Inhibition of 5-hydroxy-eicosatetraenoic acid (5-HETE) formation in intact human neutrophils by naturally-occurring diarylheptanoids: inhibitory activities of curcuminoids and yakuchinones: D.L. Flynn, et al.; Prostagl. Leukotr. Med. 22, 357 (1986) Abstract
Inhibitory effect of curcumin on epidermal growth factor receptor kinase activity in A431 cells: L. Korutla & R. Kumar; Biochim. Biophys. Acta 1224, 597 (1994) Abstract
Curcumin, an anti-tumour promoter and anti-inflammatory agent, inhibits induction of nitric oxide synthase in activated macrophages: I. Brouet & H. Okshima; BBRC 206, 533 (1995) Abstract
Cytotoxicity and cytoprotective activities of natural compounds. The case of curcumin: J.N. Commandeur & N.P. Vermeulen; Xenobiotica 26, 667 (1996) Abstract
Nitric oxide scavenging by curcuminoids: Sreejayan & M.N. Rao; J. Pharm. Pharmacol. 49, 105 (1997) Abstract
Inhibitory effects of curcumin on tumorigenesis in mice: M.T. Huang, et al.; J. Cell. Biochem. (Suppl.) 27, 26 (1997) Abstract
In vivo inhibition of nitric oxide synthase gene expression by curcumin, a cancer preventive natural product with anti-inflammatory properties: M.M. Chan, et al.; Biochem. Pharmacol. 55, 1955 (1998) Abstract
Effect of curcumin on the production of nitric oxide by cultured rat mammary gland: M. Onoda & H. Inano; Nitric Oxide 4, 505 (2000) Abstract
Suppression of nitric oxide oxidation to nitrite by curcumin is due to the sequestration of the reaction intermediate nitrogen dioxide, not nitric oxide: B.D. Johnston & E.G. DeMaster; Nitric Oxide 8, 231 (2003) Abstract
Biological properties of curcumin-cellular and molecular mechanisms of action: B. Joe, et al.; Crit. Rev. Food Sci. Nutr. 44, 97 (2004), (Review) Abstract
Curcumin, a major constituent of turmeric, corrects cystic fibrosis defects: M.E. Egan, et al.; Science 304, 600 (2004) Abstract
Inhibition of NAD(P)H:quinone oxidoreductase 1 activity and induction of p53 degradation by the natural phenolic compound curcumin: P. Tsvetkov, et al.; PNAS 102, 5535 (2005) Abstract
Immunomodulatory effects of curcumin: V.S. Yadav, et al.; Immunopharmacol. Immunotoxicol. 27, 485 (2005) Abstract
Curcumin, an atoxic antioxidant and natural NFkappaB, cyclooxygenase-2, lipooxygenase, and inducible nitric oxide synthase inhibitor: a shield against acute and chronic diseases: S. Bengmark; JPEN J. Parenter. Enteral. Nutr. 30, 45 (2006), (Review) Abstract
Curcumin is an inhibitor of p300 histone acetylatransferase: M.G. Marcu, et al.; Med. Chem. 2, 169 (2006) Abstract
Multiple biological activities of curcumin: a short review: R.K. Maheshwari, et al.; Life Sci. 78, 2081 (2006), (Review) Abstract
Curcumin inhibits hypoxia-induced angiogenesis via down-regulation of HIF-1: M.K. Bae, et al.; Oncol. Rep. 15, 1557 (2006) Abstract
Notch-1 down-regulation by curcumin is associated with the inhibition of cell growth and the induction of apoptosis in pancreatic cancer cells: Z. Wang, et al.; Cancer 106, 2503 (2006) Abstract
Curcumin improves wound healing by modulating collagen and decreasing reactive oxygen species: M. Panchatcharam, et al.; Mol. Cell Biochem. 290, 87 (2006) Abstract
Inhibitory effect of curcumin on nitric oxide production from lipopolysaccharide-activated primary microglia: K.K. Jung, et al.; Life Sci. 79, 2022 (2006) Abstract
The dietary compound curcumin inhibits p300 histone acetyltransferase activity and prevents heart failure in rats: T. Morimoto, et al.; J. Clin. Invest. 118, 868 (2008) Abstract; Full Text
 
 
ALX-350-057 Revised 20-Feb-08
Emodin
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SYNONYMS 6-Methyl-1,3,8-trihydroxyanthraquinone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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ALX-350-057-M025   25 mg 45.00 USD Add To Cart
Product Specification
FORMULA: C15H10O5
MW: 270.2
CAS NUMBER: 518-82-1
MERCK INDEX: 14: 3561
RTECS: CB7920600
SOURCE/HOST: Isolated from Frangula bark.
PURITY: ≥96% (HPLC)
APPEARANCE: Orange to red solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol or 1N dilute aqueous ammonia; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: IRRITANT.

Product Description
Inhibitor of p56lck tyrosine kinase. Has mutagenic and genotoxic effects, mainly in bacterial systems. Anticancer agent. Exhibits anti-proliferative effects in various cancer cell lines by efficient induction of apoptosis. Has inhibitory effects on angiogenic and metastasis regulatory processes. Anti-inflammatory compound. Suppresses NF-κB activation. 
Product Specific Literature References
Emodin, a protein tyrosine kinase inhibitor from Polygonum cuspidatum: H. Jayasuriya, et al.; J. Nat. Prod. 55, 696 (1992) Abstract
Selective inhibition of the growth of ras-transformed human bronchial epithelial cells by emodin, a protein-tyrosine kinase inhibitor: T.C.K. Chan, et al.; BBRC 193, 1152 (1993) Abstract
Molecular mechanism of emodin action: transition from laxative ingredient to an antitumor agent: G. Srinivas, et al.; Med. Res. Rev. 27, 591 (2007), (Review) Abstract
 
 
ALX-350-109 Revised 29-Nov-07
Panepoxydone
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - NF-kB Pathway Inhibitors
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ALX-350-109-MC05   0.5 mg 390.00 USD Add To Cart
Product Specification
FORMULA: C11H14O4
MW: 210.2
SOURCE/HOST: Isolated from Lentinus crinitus.
PURITY: >95% (HPLC)
FORMULATION: Yellow oil
SOLUBILITY: Soluble in DMSO, 100% ethanol or methanol.
SHIPPING: SHIPPED ON BLUE ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -20°C
HANDLING: After reconstitution, prepare aliquots and store at -20°C. Protect from light. Keep cool and dry.
HAZARD: TOXIC.

Product Description
Antibiotic. Inhibitor of NF-κB activation by preventing the phosphorylation of IκB protein and thereby interrupts the signalling pathway. Strongly inhibits the expression of several NF-κB dependent pro-inflammatory genes.
Product Specific Literature References
Inhibition of NF-kappa B activation by panepoxydone: G. Erkel, et al.; BBRC 226, 214 (1996) Abstract
Cytokine induction of NO synthase II in human DLD-1 cells: roles of the JAK-STAT, AP-1 and NF-kappaB-signaling pathways: H. Kleinert, et al.; Br. J. Pharmacol. 125, 193 (1998) Abstract
Naturally occurring and synthetic inhibitors of NF-kappaB functions: K. Umezawa, et al.; Anticancer Drug Des. 15, 239 (2000) Abstract
Inhibitors of NF-kappaB signaling: design and synthesis of a biotinylated isopanepoxydone affinity reagent: J.B. Shotwell, et al.; Bioorg. Med. Chem. Lett. 12, 3463 (2002) Abstract
Molecular design and biological activities of NF-kappaB inhibitors: K. Umezawa & C. Chaicharoenpong; Mol. Cells 14, 163 (2002) Abstract
Influence of the fungal NF-kappaB inhibitor panepoxydone on inflammatory gene expression in MonoMac6 cells: G. Erkel, et al.; Int. Immunopharmacol. 7, 612 (2007) Abstract
 
 
ALX-350-116 Revised 29-Nov-07
Sauchinone
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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ALX-350-116-M001   1 mg 70.00 USD Add To Cart
ALX-350-116-M005   5 mg 280.00 USD Add To Cart
Product Specification
FORMULA: C20H20O6
MW: 356.4
SOURCE/HOST: Isolated from Saururus chinensis.
PURITY: ≥95%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in DMSO or chloroform.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C

Product Description
Diastereomeric lignan with cytoprotective and antioxidant activities in cultured hepatocytes. Inhibitor of LPS-inducible iNOS (NOS II), TNF-α and COX-2 expression in macrophages through suppression of IκBα phosphorylation and p65 nuclear translocation and of C/EBP and/or AP-1 activation, which may have constitutive anti-inflammatory effects. Suppressor of NF-κB by inhibiting transactivation activity of the RelA subunit. Inhibits staurosporine (Prod. No. ALX-380-014)-induced apoptosis. Inhibits RANKL-induced osteoclastogenesis by reducing ROS generation.
Product Specific Literature References
Sauchinone, a lignan from Saururus chinensis, attenuates CCl4-induced toxicity in primary cultures of rat hepatocytes: S.H. Sung, et al.; Biol. Pharm. Bull. 23, 666 (2000) Abstract
Hepatoprotective diastereomeric lignans from Saururus chinensis herbs: S.H. Sung & Y.C. Kim; J. Nat. Prod. 63, 1019 (2000) Abstract
Inhibition of lipopolysaccharide-inducible nitric oxide synthase, TNF-alpha and COX-2 expression by sauchinone effects on I-kappaBalpha phosphorylation, C/EBP and AP-1 activation: A.K. Lee, et al.; Br. J. Pharmacol. 139, 11 (2003) Abstract
Sauchinone, a lignan from Saururus chinensis, inhibits staurosporine-induced apoptosis in C6 rat glioma cells: H. Song, et al.; Biol. Pharm. Bull. 26, 1428 (2003) Abstract
Sauchinone, a lignan from Saururus chinensis, suppresses iNOS expression through the inhibition of transactivation activity of RelA of NF-kappaB: B.Y. Hwang, et al.; Planta Med. 69, 1096 (2003) Abstract
Inhibition of osteoclast differentiation and bone resorption by sauchinone: K.Y. Han, et al.; Biochem. Pharmacol. 74, 911 (2007) Abstract
 
 
ALX-350-120 Revised 01-Apr-08
Helenalin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
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ALX-350-120-MC05   0.5 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C15H18O4
MW: 262.3
CAS NUMBER: 6754-13-8
SOURCE/HOST: Isolated from Arnica chamissonis.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (10mg/ml) or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: TOXIC.
IDENTITY: Identity determined by 1H-NMR.

Product Description
Potent anti-inflammatory and antineoplastic agent. Induces a CD95 death receptor-independent apoptosis even when the mitochondria protecting proteins Bcl-XLor Bcl-2 are overexpressed. Also an inhibitor of NF-κB.
Product Specific Literature Re