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Interleukins & Interleukin Receptors / Related Products
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ALX-270-312 Revised 03-Jan-08
Formononetin (high purity)
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SYNONYMS 7-Hydroxy-4’-methoxyisoflavone (high purity)
7-Hydroxy-3-(4’-methoxyphenyl)-4H-benzopyran-4-one (high purity)
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Isoflavones
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ALX-270-312-M005   5 mg 140.00 USD Add To Cart
Product Specification
FORMULA: C16H12O4
MW: 268.3
CAS NUMBER: 485-72-3
MERCK INDEX: 14: 4244
PURITY: ≥97%
APPEARANCE: White to greyish powder.
SOLUBILITY: Soluble in DMSO (200mg/ml) or methanol (2mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Place in a desiccator under vacuum for 48 hours before use.
HANDLING: Protect from light.

Product Description
Interacts with human estrogen receptors with low potency. Enhances IL-4 production in a dose-dependent manner. Inhibits lecithin peroxidation induced by hydroxyl radicals. Selective inhibitor of the γ-isoform of alcohol dehydrogenase. Antioxidant.
Product Specific Literature References
Interaction of naturally occurring nonsteroidal estrogens with expressed recombinant human estrogen receptor: R.J. Miksicek; J. Steroid Biochem. Mol. Biol. 49, 153 (1994) Abstract
Dietary estrogenic isoflavones are potent inhibitors of beta-hydroxysteroid dehydrogenase of P. testosteronii: W.M. Keung; BBRC 215, 1137 (1995) Abstract
Proliferative response of mammary glandular tissue to formononetin: W. Wang, et al.; Nutr. Cancer 23, 131 (1995) Abstract
Antioxidant activity of phytoestrogenic isoflavones: M.B. Ruiz-Larrea, et al.; Free Radic. Res. 26, 63 (1997) Abstract
Inhibitory effects of isoflavones on lipid peroxidation by reactive oxygen species: S. Toda and Y. Shirataki; Phytother. Res. 13, 163 (1999) Abstract
Isoflavonoids and lignans have different potentials to modulate oxidative genetic damage in human colon cells: B.L. Pool-Zobel, et al.; Carcinogenesis 21, 1247 (2000) Abstract
Disposition of flavonoids via enteric recycling: enzyme-transporter coupling affects metabolism of biochanin A and formononetin and excretion of their phase II conjugates: X. Jia, et al.; J. Pharmacol. Exp. Ther. 310, 1103 (2004) Abstract
Formononetin, a phyto-oestrogen, and its metabolites up-regulate interleukin-4 production in activated T cells via increased AP-1 DNA binding activity: J. Park, et al.; Immunology 116, 71 (2005) Abstract
Further Categories Containing This Product:
Estrogen & Estrogen Receptors / Related Products • Interleukins Other Products • Natural Products - Antioxidants • Active Substances from Fruit and Vegetables • Other Natural Products for Inflammation Research
 
 
ALX-270-478 Revised 30-Jul-08
SB 225002
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SYNONYMS N-(2-Bromophenyl)-N’-(2-hydroxy-4-nitrophenyl)urea
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY CXC Chemokines & Receptors / Related Products
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ALX-270-478-M001   1 mg 30.00 USD Add To Cart
ALX-270-478-M005   5 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C13H10BrN3O4
MW: 352.1
CAS NUMBER: 182498-32-4
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO (40mg/ml), 100% ethanol or methanol (15mg/ml); slightly soluble in acetonitrile (2mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
IDENTITY: Identity determined by MS, 1H-NMR and 13C-NMR.

Product Description
Potent and selective antagonist of CXCR2 chemokine receptor (IC50=22nM). >150-fold more selective over CXCR1 receptor. Inhibits IL-8- (IC50=8nM) and GROα-mediated (IC50=10nM) calcium mobilisation. Prevents IL-8-induced neutrophil migration. Inhibits HIV replication in lymphocytes and macrophages.
Product Specific Literature References
Identification of a potent, selective non-peptide CXCR2 antagonist that inhibits interleukin-8-induced neutrophil migration: J.R. White, et al.; J. Biol. Chem. 273, 10095 (1998) Abstract; Full Text
Characterization of the molecular interactions of interleukin-8 (CXCL8), growth related oncogen alpha (CXCL1) and a non-peptide antagonist (SB 225002) with the human CXCR2: J. Catusse, et al.; Biochem. Pharmacol. 65, 813 (2003) Abstract
A growth-related oncogene/CXC chemokine receptor 2 autocrine loop contributes to cellular proliferation in esophageal cancer: B. Wang, et al.; Cancer Res. 66, 3071 (2006) Abstract; Full Text
Further Categories Containing This Product:
Interleukins Other Products • HIV / AIDS / Related Products
 
 
ALX-380-062 Revised 03-Apr-08
Cytochalasin E
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics for Cytoskeletal Research
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ALX-380-062-M001   1 mg 40.00 USD Add To Cart
ALX-380-062-M005   5 mg 160.00 USD Add To Cart
Product Specification
FORMULA: C28H33NO7
MW: 495.6
CAS NUMBER: 36011-19-5
MERCK INDEX: 14: 2790
SOURCE/HOST: Isolated from Aspergillus clavatus.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Antibiotic. Inhibits angiogenesis and tumor growth. Depolymerizes actin filaments.
Product Specific Literature References
Inhibition of actin polymerization in blood platelets by cytochalasins: J.E. Fox & D.R. Phillips; Nature 292, 650 (1981) Abstract
Cytochalasin-E-Resistant Mutants of Coprinus cinereus: Isolation and Genetic, Biochemical, and Cytological Analyses: M. Tsukamoto, et al.; Fungal Genet. Biol. 20, 52 (1996) Abstract
Cytochalasin E, an epoxide containing Aspergillus-derived fungal metabolite, inhibits angiogenesis and tumor growth: T. Udagawa, et al.; J. Pharmacol. Exp. Ther. 294, 421 (2000) Abstract
Depolymerization of actin filament by cytochalasin E induces interleukin-8 production and up-regulates CD54 in the HeLa epithelial cell line: N. Ikewaki, et al.; Microbiol. Immunol. 47, 775 (2003) Abstract
Further Categories Containing This Product:
Interleukins Other Products • Actin / Related Products • Antibiotics for Angiogenesis Research • Microtubule Modulators • Antitumor Antibiotics • Alkaloids
 
 
ALX-350-328 Revised 07-Apr-08
(+)-Madindoline A
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SYNONYMS MadA
MDL-A
[(2R), 3aR, 8aS]-8-[4-(n-Butyl)-2,5-dimethyl-1, 3-dioxo-2-(4-cyclopentyl)methyl]-3, 3a, 8,8a-tetrahydro-3a-hydroxy-2H-furo[2,3-b] indole
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Interleukin & Interleukin Receptors Other Products
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ALX-350-328-MC05   0.5 mg 330.00 USD Add To Cart
ALX-350-328-M001   1 mg 580.00 USD Add To Cart
Product Specification
FORMULA: C22H27NO4
MW: 370.2
SOURCE/HOST: Synthetic.
PURITY: ≥97%
APPEARANCE: Light yellow needles
SOLUBILITY: Soluble in methanol or 100% ethanol; insoluble in hexane.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Madindolines are noncytotoxic indole alkaloids originally isolated from a fermentation broth of Streptomyces nitrosporeus K93-071. (+)-Madindoline A (MadA; MDL-A) and (+)-madindoline B (MadB; MDL-B) are diastereomers with MadA being the more potent compound. MadA binds competitively but noncovalently to the extracellular domain of the membrane glycoprotein gp130 and inhibits the homodimerization of the trimeric IL-6/IL-6R/gp130 or the IL-11/gp130 complex, thus inhibiting activation of the JAK/STAT signal transduction pathway. MadA inhibits IL-6 and IL-11-induced osteoclastogenesis in vitro in a dose dependent manner and postmenopausal osteoporosis in vivo, by a mechanism different from that of 17β-estradiol. IL-6 activity is known to cause various diseases such as cancer cachexia, Castleman’s disease, Crohn’s disease, rheumatoid arthritis, hypercalcemia, and multiple myeloma. Madindolines are no longer available from natural sources due to mutation of the originating bacterial strain. Thus, synthetic routes have been developed to produce madindolines. Recently analogs of madindolines have been synthesized as potent IL-6 inhibitors.
Product Specific Literature References
Madindoline, a novel inhibitor of IL-6 activity from Streptomyces sp. K93-0711. I. Taxonomy, fermentation, isolation and biological activities: M. Hayashi, et al.; J. Antibiot. 49, 1091 (1996) Abstract
Madindolines, novel inhibitors of IL-6 activity from streptomyces sp. K93-0711. II. Physico-chemical properties and structural elucidation: S.Takamatsu, et. al.; J. Antibiot. 50, 1069 (1997) Abstract
Binding of madindoline A to the extracellular domain of gp130: A.Z. Saleh, et al.; Biochemistry 44, 10822 (2005) Abstract
Association of transcription factor APRF and protein kinase Jak1 with the interleukin-6 signal transducer gp130: C. Lutticken, et al.; Science 263, 89 (1994) Abstract
Suppression of bone resorption by madindoline A, a novel nonpeptide antagonist to gp130: M. Hayashi, et al.; PNAS 99, 14728 (2002) Abstract
Mechanisms of experimental cancer cachexia. Local involvement of IL-1 in colon-26 tumor: G. Strassmann, et.al.; J. Immunol. 150, 2341 (1993) Abstract
Pathogenic significance of interleukin-6 (IL-6/BSF-2) in Castleman’s disease: K. Yoshizaki, et al.; Blood 74, 1360 (1989) Abstract
Inhibition of IL-6 for the treatment of inflammatory diseases: N. Nishimoto & T. Kishimoto; Curr. Opin. Pharmacol. 4, 386 (2004) Abstract
Blockage of interleukin-6 receptor ameliorates joint disease in murine collagen-induced arthritis: N. Takagi, et al.; Arthritis Rheum. 41, 2117 (1998) Abstract
Interleukin-6 enhances hypercalcemia and bone resorption mediated by parathyroid hormone-related protein in vivo: J. de la Mata, et al.; J. Clin. Invest. 95, 2846 (1995) Abstract
Granulocyte-macrophage colony-stimulating factor synergizes with interleukin-6 in supporting the proliferation of human myeloma cells: X.G. Zhang, et al.; Blood 76, 2599 (1990) Abstract
Synthesis of (+)-madindoline A and (+)-madindoline B: L. Wan & M.A. Tius; Org. Lett. 9, 647 (2007) Abstract
Design, synthesis, and biological activities of madindoline analogues: D. Yamamoto, et al.; Bioorg. Med. Chem. Lett. 16, 2807 (2006) Abstract
Efficient total synthesis of novel bioactive microbial metabolites: T. Sunazuka, et al.; Acc. Chem. Res. 41, 302 (2008) Abstract
General Information
MANUFACTURER Manufactured by the Kitasato Institute, Tokyo.
Further Categories Containing This Product:
Bone Metabolism Other Products • Natural Products - Other Signal Transduction Pathway Modulators • Alkaloids
 
 
ALX-159-001 Revised 01-Mar-06
IL-2 Receptor Fragment (human)
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SYNONYMS Interleukin-2 Receptor Fragment (human)
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Interleukin Receptors
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ALX-159-001-M001   1 mg 80.00 USD Add To Cart
Product Specification
SEQUENCE: H-Gln-Arg-Arg-Gln-Arg-Lys-Ser-Arg-Arg-Thr-Ile-OH
FORMULA: C59H113N29O16
MW: 1484.7
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
Product Description
Substrate for protein kinase C (PKC). The peptide is derived from the cytoplasmic C-terminus of the human interleukin-2 receptor.
Product Specific Literature References
Phosphorylation of the human interleukin-2 receptor and a synthetic peptide identical to its C-terminal, cytoplasmic domain: B. Gallis, et al.; J. Biol. Chem. 261, 5075 (1986) Abstract; Full Text
Further Categories Containing This Product:
PKC Substrates • CD25 [IL-2Ralpha] / Related Products • Peptides
 
 
ALX-201-343 Revised 18-Mar-08
IL-23 (human) (recombinant)
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SYNONYMS Interleukin-23 (human) (recombinant)
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Interleukins
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ALX-201-343-C010   10 µg 240.00 USD Add To Cart
ALX-201-343-C050   50 µg 590.00 USD Add To Cart
Product Specification
SOURCE/HOST: Produced in HEK 293 cells. Mature human IL-23 (interleukin-23) p40 peptide (aa 23-328) is fused at the C-terminus to a 18 aa linker peptide (GSTSGSGKPGSGEGSTKG) and to the mature p19 peptide (aa 20-189) and fused at the N-terminus to a FLAG®-tag.
CONCENTRATION: 0.5mg/ml
PURITY: ≥90% (SDS-PAGE)
FORMULATION: Liquid. 0.2µm-filtered solution in PBS.
ENDOTOXIN CONTENT: <0.1EU/µg protein (LAL test).
BIOLOGICAL ACTIVITY: Induction of IL-17 secretion by mouse splenocytes.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Working aliquots are stable for up to 3 months when stored at -20°C.
HANDLING: Avoid freeze/thaw cycles. After opening, prepare aliquots and store at -20°C.
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Product Specific Literature References
Interleukin-23 promotes a distinct CD4 T cell activation state characterized by the production of interleukin-17: S. Aggarwal, et al.; JBC 278, 1910 (2003) Abstract; Full Text
General Information
BACKGROUND/TECHNICAL INFORMATION Swiss-Prot link Q9NPF7: IL-23 (human)

FLAG is a registered trademark of Sigma-Aldrich Co.
MANUFACTURER Manufactured by AdipoGen, Inc.
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins
 
 
ALX-201-350 Revised 01-Oct-08
IL-33 (human) (recombinant) (His)
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SYNONYMS Interleukin-33 (human) (recombinant) (His)
NF-HEV (human) (recombinant) (His)
IL-1F11 (human) (recombinant) (His)
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Interleukins
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ALX-201-350-C010   10 µg 295.00 USD Add To Cart
ALX-201-350-C050   50 µg 795.00 USD Add To Cart
Product Specification
SOURCE/HOST: Produced in E. coli. Recombinant human IL-33 (aa 112-270) is fused at the C-terminus to a His-tag.
CONCENTRATION: 1mg/ml
PURITY: ≥90% (SDS-PAGE)
FORMULATION: Liquid. 0.2µm-filtered solution in 55mM TRIS-Cl, pH 8.2, containing
150mM sodium chloride.
ENDOTOXIN CONTENT: <1.0EU/µg protein (LAL-test).
SPECIFICITY: Binds to human ST2.
BIOLOGICAL ACTIVITY: Activates ST2-dependent NF-κB pathway.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Working aliquots are stable for up to 3 months when stored at -20°C.
HANDLING: After opening, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles.
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General Information
BACKGROUND/TECHNICAL INFORMATION Swiss-Prot link Q2YEJ5: Interleukin-33 (human) (recombinant)
MANUFACTURER Manufactured by AdipoGen, Inc.
Further Categories Containing This Product:
Interleukin-33 [IL-33] & Receptors / Related Products • Recombinant Proteins / Fusion Proteins
 
 
ALX-201-361 Revised 01-Oct-08
IL-33 (mouse) (recombinant) (His)
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SYNONYMS Interleukin-33 (mouse) (recombinant) (His)
NF-HEV (mouse) (recombinant) (His)
IL-1F11 (mouse) (recombinant) (His)
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Interleukins
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ALX-201-361-C010   10 µg 295.00 USD Add To Cart
ALX-201-361-C050   50 µg 795.00 USD Add To Cart
Product Specification
SOURCE/HOST: Produced in E. coli. Recombinant mouse IL-33 (aa 109-266) is fused at the C-terminus to a His-tag.
PURITY: ≥90% (SDS-PAGE)
FORMULATION: Liquid. 0.2µm-filtered solution in 55mM TRIS-Cl, pH 8.2, containing
150mM sodium chloride.
ENDOTOXIN CONTENT: <1EU/µg protein (LAL-test).
SPECIFICITY: Binds to human ST2.
BIOLOGICAL ACTIVITY: Activates ST2-dependent NF-κB pathway.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Working aliquots are stable for up to 3 months when stored at -20°C.
HANDLING: After opening, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles.
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General Information
BACKGROUND/TECHNICAL INFORMATION Swiss-Prot link Q2YEJ4: Interleukin-33 (mouse) (recombinant)
MANUFACTURER Manufactured by AdipoGen, Inc.
Further Categories Containing This Product:
Interleukin-33 [IL-33] & Receptors / Related Products • Recombinant Proteins / Fusion Proteins
 
 
ALX-201-363 Revised 01-Oct-08
IL-33 (human) (recombinant)
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SYNONYMS Interleukin-33 (human) (recombinant)
NF-HEV (human) (recombinant)
IL-1F11 (human) (recombinant)
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Interleukins
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-201-363-C010   10 µg 295.00 USD Add To Cart
ALX-201-363-C050   50 µg 795.00 USD Add To Cart
Product Specification
SOURCE/HOST: Produced in HEK 293 cells. Recombinant human IL-33 (aa 112-270) is fused at the C-terminus to a FLAG®-tag.
CONCENTRATION:  
PURITY: ≥90% (SDS-PAGE)
FORMULATION: Liquid. 0.2µm-filtered solution in PBS, pH 7.2.
ENDOTOXIN CONTENT: <0.1EU/µg protein (LAL-test).
SPECIFICITY: Binds to human ST2.
BIOLOGICAL ACTIVITY: Activates ST2-dependent NF-κB pathway.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Working aliquots are stable for up to 3 months when stored at -20°C.
HANDLING: After opening, prepare aliquots and store at -20°C. Avoid freeze/thaw cycles.
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General Information
BACKGROUND/TECHNICAL INFORMATION Swiss-Prot link Q2YEJ5: Interleukin-33 (human) (recombinant)

FLAG is a registered trademark of Sigma-Aldrich Co.
MANUFACTURER Manufactured by AdipoGen, Inc.
Further Categories Containing This Product:
Interleukin-33 [IL-33] & Receptors / Related Products • Recombinant Proteins / Fusion Proteins
 
 
ALX-201-374 Revised 18-Mar-08
IL-17A (human):Fc (human) (recombinant)
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