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Inflammation
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ALX-270-066 Revised 07-Apr-08
Lavendustin C
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SYNONYMS Compound 5
5-(N-2,5-Dihydroxybenzyl)aminosalicylic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-066-M001   1 mg 35.00 USD Add To Cart
Product Specification
FORMULA: C14H13NO5
MW: 275.3
SOURCE/HOST: Synthetic.
PURITY: ≥97%
APPEARANCE: Off-white solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Potent inhibitor of protein tyrosine kinases and Ca2+/calmodulin-dependent kinase II. Acts also as an inhibitor of EGFR tyrosine kinase and pp60c-src kinase.
Product Specific Literature References
Isolation of a novel tyrosine kinase inhibitor, lavendustin A, from Streptomyces griseolavendus: T. Onoda, et al.; J. Nat. Prod. 52, 1252 (1989) Abstract
Long-term potentiation in the hippocampus is blocked by tyrosine kinase inhibitors: T.J. O'Dell, et al.; Nature 353, 558 (1991) Abstract
Hypericin and pseudohypericin specifically inhibit protein kinase C: possible relation to their antiretroviral activity: I. Takahashi, et al.; BBRC 165, 1207 (1989) Abstract
Inhibition of crystal-induced neutrophil activation by a protein tyrosine kinase inhibitor: H.M. Burt, et al.; J. Leukoc. Biol. 55, 112 (1994) Abstract
Endotoxin increases intercellular resistance in microvascular endothelial cells by a tyrosine kinase pathway: D. Lidington, et al.; J. Cell Physiol. 185, 117 (2000) Abstract
 
 
ALX-201-131 Revised 15-May-07
LBP (human) (recombinant) (His)
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SYNONYMS Lipopolysaccharide Binding Protein (human) (recombinant) (His)
PRODUCT LINE Inflammation
PRODUCT CATEGORY Lipopolysaccharide Binding Protein [LBP] / Related Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-201-131-C010   10 µg 295.00 USD Add To Cart
Product Specification
SOURCE/HOST: Produced in CHO cells.
CONCENTRATION: 0.25mg/ml after reconstitution.
PURITY: ~90-95% (SDS-PAGE)
FORMULATION: Lyophilized. Contains PBS, pH 7.2.
ENDOTOXIN CONTENT: <0.00015EU/µg protein (LAL test; Chromogenix).
RECONSTITUTION: Reconstitute with 40µl distilled water.
BIOLOGICAL ACTIVITY: Mediates binding of LPS to CD14 (up to 0.2µg/ml LBP mediates binding of FITC-LPS (0.5µg/ml) to CD14+ CHO transfectants (FACS)).
SHIPPING: SHIPPED ON DRY ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -80°C
USE/STABILITY: Will precipitate by rapid changes of pH or temperature. Best working temperature is ice bath.
HANDLING: Avoid freeze/thaw cycles.
Product Images
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Product Specific Literature References
Monocytes can phagocytose Gram-negative bacteria by a CD14-dependent mechanism: U. Grunwald, et al.; J. Immunol. 157, 4119 (1996) Abstract
General Information
LBP (lipopolysaccharide binding protein) is a ~58kDa acute phase glycoprotein and binds to the lipid A portion of lipopolysaccharide (LPS) with high affinity and catalyzes the CD14 dependent cellular activation by LPS.
BACKGROUND/TECHNICAL INFORMATION Note: His-tag at the C-terminal end of the LBP has no protease site and cannot be split off.
MANUFACTURER Manufactured by Biometec.
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins
 
 
ALX-201-132 Revised 28-Jul-06
LBP (mouse) (recombinant) (His)
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SYNONYMS Lipopolysaccharide Binding Protein (mouse) (recombinant) (His)
PRODUCT LINE Inflammation
PRODUCT CATEGORY Lipopolysaccharide Binding Protein [LBP] / Related Products
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ALX-201-132-C010   10 µg 295.00 USD Add To Cart
Product Specification
MW: ~58kDa.
SOURCE/HOST: Produced in CHO cells.
CONCENTRATION: 1mg/ml after reconstitution.
PURITY: Affinity purified
FORMULATION: Lyophilized. Contains PBS, pH 7.2.
ENDOTOXIN CONTENT: <0.00015EU/µg protein (LAL test; Chromogenix).
RECONSTITUTION: Reconstitute with 10µl distilled water.
BIOLOGICAL ACTIVITY: Mediates binding of LPS to CD14 (up to 2µg/ml LBP mediates binding of FITC-LPS (0.5µg/ml) to CD14+ CHO transfectants (2x106/ml)).
SHIPPING: SHIPPED ON DRY ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -80°C
USE/STABILITY: LBP will precipitate upon rapid changes of pH or temperature. Keep in ice bath during application.
HANDLING: Avoid freeze/thaw cycles.
Product Specific Literature References
Monocytes can phagocytose Gram-negative bacteria by a CD14-dependent mechanism: U. Grunwald, et al.; J. Immunol. 157, 4119 (1996) Abstract
General Information
LBP (lipopolysaccharide binding protein) is a 58kDa acute phase glycoprotein and binds to the lipid A portion of lipopolysaccharide (LPS) with high affinity and catalyzes the CD14 dependent cellular activation by LPS.
BACKGROUND/TECHNICAL INFORMATION His-tag at C-terminal end of LBP has no protease site and cannot be split off.
MANUFACTURER Manufactured by Biometec.
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins
 
 
ALX-850-305/1 Revised 16-Sep-08 New product
LBP, Soluble (mouse) ELISA Kit
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SYNONYMS Lipopolysaccharide Binding Protein, Soluble (mouse) ELISA Kit
PRODUCT LINE Inflammation
PRODUCT CATEGORY Lipopolysaccharide Binding Protein [LBP] / Related Products
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ALX-850-305/1-KI01   1 Kit 690.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Mouse
Rat
SENSITIVITY: Range 1-50ng/ml
QUANTITY: 96 wells (~80 tests)
KIT/SET CONTAINS: 1 precoated ELISA module
1 vial anti-LBP (mouse) detecting MAb
1 vial LBP standard (mouse)
1 vial reference serum (mouse)
2 tablets PBS
1 vial dilution buffer
1 vial Tween 20
1 vial stopping solution
1 vial substrate solution
APPLICATION: For the quantitative determination of mouse and rat soluble as well as bound LBP levels in serum, plasma and cell culture medium.
SHIPPING: SHIPPED ON BLUE ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -20°C
HANDLING: Avoid freeze/thaw cycles.
General Information
MANUFACTURER Manufactured by Biometec.
Further Categories Containing This Product:
ELISA Sets
 
 
ALX-850-304/1 Revised 16-Sep-08 New product
LBP, Soluble ELISA Kit
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SYNONYMS Lipopolysaccharide Binding Protein, Soluble ELISA Kit
PRODUCT LINE Inflammation
PRODUCT CATEGORY Lipopolysaccharide Binding Protein [LBP] / Related Products
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ALX-850-304/1-KI01   1 Kit 690.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Human
Dog
Pig
SENSITIVITY: Range 5-50ng/ml
QUANTITY: 96 wells (~80 tests)
KIT/SET CONTAINS: 1 precoated ELISA module
1 vial anti-LBP (human) detecting MAb
1 vial LBP standard (human)
1 vial reference serum
2 tablets PBS
1 vial dilution buffer
1 vial Tween 20
1 vial stopping solution
1 vial substrate solution
APPLICATION: For the quantitative determination of human, dog, pig, rabbit, bovine and horse soluble LBP levels in serum, plasma and cell culture medium.
SHIPPING: SHIPPED ON BLUE ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -20°C
HANDLING: Avoid freeze/thaw cycles.
General Information
MANUFACTURER Manufactured by Biometec.
Further Categories Containing This Product:
ELISA Sets
 
 
ALX-430-095 Revised 23-Jan-08
Leflunomide
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SYNONYMS HWA486
5-Methylisoxazole-4-(4-trifluoromethylcarboxanilide)
N-(4-Trifluoromethylphenyl)-5-methylisoxazol-4-carboxamide
PRODUCT LINE Immunology
PRODUCT CATEGORY Immunomodulators Other Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-430-095-M010   10 mg 15.00 USD Add To Cart
ALX-430-095-M050   50 mg 40.00 USD Add To Cart
ALX-430-095-G001   1 g 380.00 USD Add To Cart
Product Specification
FORMULA: C12H9F3N2O2
MW: 270.2
CAS NUMBER: 75706-12-6
MERCK INDEX: 14: 5432
RTECS: NY2354200
PURITY: ≥99% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Keep under inert gas. Protect from light.
HAZARD: HARMFUL.

Product Description
Immunosuppressive drug that inhibits T and B cell responses in vivo. Inhibitor of tyrosine phosphorylation (tyrosine kinase inhibitor), of dihydroorotate dehydrogenase, an enzyme for de novo pyrimidine synthesis, of TNF-dependent NF-κB activation, and of COX-2. The physiological activity of leflunomide is attributed mainly to its metabolite A77 1726 (Prod. No. ALX-430-096).
Product Specific Literature References
Immunopharmacological profile of a novel isoxazol derivative, HWA 486, with potential antirheumatic activity-I. Disease modifying action on adjuvant arthritis of the rat: R.R. Bartlett & R. Schleyerbach; Int. J. Immunopharmacol. 7, 7 (1985) Abstract
Leflunomide (HWA 486), a novel immunomodulating compound for the treatment of autoimmune disorders and reactions leading to transplantation rejection: R.R. Bartlett, et al.; Agents Actions 32, 10 (1991) Abstract
Inhibition of the epidermal growth factor receptor tyrosine kinase activity by leflunomide: T. Mattar, et al.; FEBS Lett. 334, 161 (1993) Abstract
Inhibition of protein tyrosine phosphorylation in T cells by a novel immunosuppressive agent, leflunomide: X. Xu, et al.; J. Biol. Chem. 270, 12398 (1995) Abstract; Full Text
Molecular mechanisms of action of new xenobiotic immunosuppressive drugs: tacrolimus (FK506), sirolimus (rapamycin), mycophenolate mofetil and leflunomide: T.R. Brazelton & R.E. Morris; Curr. Opin. Immunol. 8, 710 (1996) Abstract
The immunosuppressive metabolite of leflunomide is a potent inhibitor of human dihydroorotate dehydrogenase: J.P. Davis, et al.; Biochemistry 35, 1270 (1996) Abstract
Regulation of B cell function by the immunosuppressive agent leflunomide: K.F. Siemasko, et al.; Transplantation 61, 635 (1996) Abstract
Two activities of the immunosuppressive metabolite of leflunomide, A77 1726. Inhibition of pyrimidine nucleotide synthesis and protein tyrosine phosphorylation: X. Xu, et al.; Biochem. Pharmacol. 52, 527 (1996) Abstract
Potencies of leflunomide and HR325 as inhibitors of prostaglandin endoperoxide H synthase-1 and -2: comparison with nonsteroidal anti- inflammatory drugs: A.P. Curnock, et al.; J. Pharmacol. Exp. Ther. 282, 339 (1997) Abstract
In vivo mechanism by which leflunomide controls lymphoproliferative and autoimmune disease in MRL/MpJ-lpr/lpr mice: X. Xu, et al.; J. Immunol. 159, 167 (1997) Abstract
Leflunomide, a novel immunomodulating agent, prevents the development of allergic sensitization in an animal model of allergic asthma: E. Eber, et al.; Clin. Exp. Allergy 28, 376 (1998) Abstract
Species-related inhibition of human and rat dihydroorotate dehydrogenase by immunosuppressive isoxazol and cinchoninic acid derivatives: W. Knecht & M. Löffler; Biochem. Pharmacol. 56, 1259 (1998) Abstract
Inhibition of JAK3 and STAT6 tyrosine phosphorylation by the immunosuppressive drug leflunomide leads to a block in IgG1 production: K.F. Siemasko, et al.; J. Immunol. 160, 1581 (1998) Abstract
In vivo activity of leflunomide: pharmacokinetic analyses and mechanism of immunosuppression: A.S. Chong, et al.; Transplantation 68, 100 (1999) Abstract
Immunosuppressive leflunomide metabolite (A77 1726) blocks TNF- dependent nuclear factor-kappa B activation and gene expression: S.K. Manna and B.B. Aggarwal; J. Immunol. 162, 2095 (1999) Abstract
A771726, the active metabolite of leflunomide, directly inhibits the activity of cyclo-oxygenase-2 in vitro and in vivo in a substrate- sensitive manner: L.C. Hamilton, et al.; Br. J. Pharmacol. 127, 1589 (1999) Abstract
Leflunomide: mode of action in the treatment of rheumatoid arthritis: F.C. Breedveld & J.M. Dayer; Ann. Rheum. Dis. 59, 841 (2000) Abstract
General Literature References
Leflunomide, a novel immunomodulator for the treatment of active rheumatoid arthritis: M.M. Goldenberg; Clin. Ther. 21, 1837 (1999), (Review) Abstract
Leflunomide, mycophenolic acid and matrix metalloproteinase inhibitors: D.E. Furst; Rheumatology (Oxford) 38 Suppl 2, 14 (1999), (Review) Abstract
Leflunomide and methotrexate: R.F. Laan, et al.; Curr. Opin. Rheumatol. 13, 159 (2001), (Review) Abstract
Experiences with leflunomide in solid organ transplantation: J.W. Williams, et al.; Transplantation 73, 358 (2002), (Review) Abstract
Further Categories Containing This Product:
NF-kB Pathway InhibitorsCOX InhibitorsTyrosine Kinase Inhibitors
 
 
ALX-340-038 Revised 08-Sep-08
Leukotriene B4
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SYNONYMS LTB4
5,12-Dihydroxy-[S-[R*,S*-(E,Z,Z,E)]]-6,8,10,14-eicosatetraenoic acid
PRODUCT LINE Inflammation
PRODUCT CATEGORY Leukotrienes
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ALX-340-038-C025   25 µg 170.00 USD Add To Cart
Product Specification
FORMULA: C20H32O4
MW: 336.5
CAS NUMBER: 71160-24-2
MERCK INDEX: 14: 5455
CONCENTRATION: 0.1mg/ml
PURITY: ≥97%
FORMULATION: Liquid. Solution in ethanol.
SOLUBILITY: Soluble in DMSO or dimethyl formamide; slightly soluble in PBS, pH 7.2 (1mg/ml). Solvents should be free of oxygen, transition metal ions, and redox active compounds.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least 1 year after receipt when stored at -20°C. We do not recommend storing aqueous solutions for more than one day.
HANDLING: Protect from light and oxygen.

Product Description
Activator of PPARα. Stimulates a number of leukocyte functions, including aggregation, stimulation of ion fluxes, enhancement of lysosomal enzyme release, superoxide anion production, chemotaxis, and chemokinesis.
Product Specific Literature References
Leukotriene B4 and inflammatory disease: R.M. McMillan & S.J. Foster; Agents Actions 24, 114 (1988) Abstract
The PPARalpha-leukotriene B4 pathway to inflammation control: P.R. Devchand, et al.; Nature 384, 39 (1996) Abstract
Leukotriene B4: S.W. Crooks & R.A. Stockley; Int. J. Biochem. Cell Biol. 30, 173 (1998), (Review) Abstract
The peroxisome proliferator-activated receptor alpha (PPARalpha) ligand WY 14,643 does not interfere with leukotriene B4 induced adhesion of neutrophils to endothelial cells: M. Heimbürger & J. Palmblad; BBRC 249, 371 (1998) Abstract
Ligand selectivity of the peroxisome proliferator-activated receptor alpha: Q. Lin, et al.; Biochemistry 38, 185 (1999) Abstract
General Information
BACKGROUND/TECHNICAL INFORMATION To change the solvent, evaporate the ethanol under a gentle stream of nitrogen and immediately add the solvent of choice.
Further Categories Containing This Product:
PPAR Agonists
 
 
ALX-340-043 Revised 08-Sep-08
Leukotriene C4
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SYNONYMS LTC4
5S-Hydroxy-6R-(S-glutathionyl)-7E,9E,11Z,14Z-eicosatetraenoic acid
PRODUCT LINE Inflammation
PRODUCT CATEGORY Leukotrienes
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-340-043-C025   25 µg 157.00 USD Add To Cart
ALX-340-043-C050   50 µg 298.00 USD Add To Cart
ALX-340-043-C100   100 µg 563.00 USD Add To Cart
Product Specification
FORMULA: C30H47N3O9S
MW: 625.8
CAS NUMBER: 72025-60-6
MERCK INDEX: 14: 5455
CONCENTRATION: 0.1mg/ml
PURITY: ≥97%
FORMULATION: Liquid. Solution in ethanol:water (95:5).
SOLUBILITY: 50mg/ml soluble in DMSO or dimethyl formamide; slightly soluble in PBS, pH 7.2 (100µg/ml).
SHIPPING: SHIPPED ON DRY ICE
LONG TERM STORAGE: -80°C
USE/STABILITY: Stable for at least 1 year after receipt when stored at -80°C. We do not recommend storing aqueous solutions for more than one day.

General Information
BACKGROUND/TECHNICAL INFORMATION To change the solvent, evaporate the ethanol:water (95:5) under a gentle stream of nitrogen and immediately add the solvent of choice.
 
 
ALX-581-200 Revised 16-Sep-08
Lipid A from E. coli, Serotype R515 (Re) (TLRgrade™) (Ready-to-Use)
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PRODUCT LINE Inflammation
PRODUCT CATEGORY Lipopolysaccharides [LPS] / Related Products
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ALX-581-200-L002   2 ml 320.00 USD Add To Cart
Product Specification
SOURCE/HOST: Isolated from E. coli R515 (Re mutant). Prepared by mild acid hydrolysis from purified Escherichia coli R515 (Re) LPS (isolated by a modification of the PCP extraction method [1,2]), converted to the uniform salt form [3] and dissolved in sterile pyrogen-free double distilled water.
CONCENTRATION: 1mg/ml
PURITY: ≥99.9% (regarding protein or DNA contaminants; KDO not detectable)
FORMULATION: Liquid. Sterile, ready-to-use solution in pyrogen-free double distilled water.
ACTIVITY: Activates Toll-like receptor (TLR) 4. Does not activate TLR2 or other TLRs as determined with splenocytes and macrophages from TLR4 deficient mice.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Keep sterile.
HAZARD: HIGHLY PYROGENIC. HARMFUL.
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Product Specific Literature References
[1] A new method for the extraction of R lipopolysaccharides: C. Galanos, et al.; Eur. J. Biochem. 9, 245 (1969) Abstract
[2] Isolation and purification of R-form lipopolysaccharides: C. Galanos & O. Luderitz; Methods in Carbohydrate Chem. 9, 11 (1993)
[3] Electrodialysis of lipopolysaccharides and their conversion to uniform salt forms: C. Galanos & O. Luderitz; Eur. J. Biochem. 54, 603 (1975) Abstract
[4] R-form LPS, the master key to the activation ofTLR4/MD-2-positive cells: M. Huber, et al.; Eur. J. Immunol. 36, 701 (2006) Abstract
 
 
ALX-581-201 Revised 16-Sep-08
Lipid A from Salmonella minnesota R595 (Re) (TLRgrade™) (Ready-to-Use)