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Natural Products - Signal Transduction Pathway Modulators
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ALX-350-310 Revised 03-Apr-08
3-O-Acetyl-11-keto-β-boswellic acid
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SYNONYMS AKβBA
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
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ALX-350-310-M005   5 mg 130.00 USD Add To Cart
Product Specification
FORMULA: C32H48O5
MW: 512.7
CAS NUMBER: 67416-61-9
SOURCE/HOST: Isolated from Boswellia serrata.
PURITY: ≥99% (HPLC, NMR)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in acetone, dichloromethane, diethyl ether or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stock solutions are stable for up to 3 months when stored at -20°C.
HANDLING: Protect from light.
HAZARD: MAY BE CARCINOGENIC. HARMFUL.

Product Description
Shows antitumor and anti-inflammatory activities. Potent non-redox, noncompetitive 5-lipoxygenase and topoisomerase I and IIa inhibitor leading to apoptosis. 10-times more potent than 3-O-acetyl-β-boswellic acid (Prod. No. ALX-350-308). Exhibits in vivo efficacy in tumor growth and inhibition.
Product Specific Literature References
Acetyl-11-keto-beta-boswellic acid induces apoptosis in HL-60 and CCRF-CEM cells and inhibits topoisomerase I: R.F. Hoernlein, et al.; J. Pharmacol. Exp. Ther. 288, 613 (1999) Abstract; Full Text
Boswellic acids activate p42(MAPK) and p38 MAPK and stimulate Ca(2+) mobilization: A. Altmann, et al.; BBRC 290, 185 (2002) Abstract
Coupling of boswellic acid-induced Ca2+ mobilisation and MAPK activation to lipid metabolism and peroxide formation in human leucocytes: A. Altmann, et al.; Br. J. Pharmacol. 141, 223 (2004) Abstract; Full Text
Inhibition of IkappaB kinase activity by acetyl-boswellic acids promotes apoptosis in androgen-independent PC-3 prostate cancer cells in vitro and in vivo: T. Syrovets, et al.; J. Biol. Chem. 280, 6170 (2005) Abstract; Full Text
Boswellic acids: biological actions and molecular targets: D. Poeckel & O. Werz; Curr. Med. Chem. 13, 3359 (2006), Review Abstract
Mechanisms underlying the anti-inflammatory actions of boswellic acid derivatives in experimental colitis: C. Anthoni, et al.; Am. J. Physiol. Gastrointest. Liver Physiol. 290, G1131 (2006) Abstract
Potentiation of antinociceptive effect of NSAIDs by a specific lipooxygenase inhibitor, acetyl 11-keto-beta boswellic acid: M. Bishnoi, et al.; Indian J. Exp. Biol. 44, 128 (2006) Abstract
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Further Categories Containing This Product:
NF-kB Pathway Inhibitors • Antitumor Agents (Apoptosis Inducers) • Natural Products - Protein Kinase Inhibitors • Natural Products - Topoisomerase Inhibitors • Natural Products - NF-kB Pathway Inhibitors • Natural Products - Apoptosis Inducers & Inhibitors • Natural Products - Anti-inflammatory Agents • Lipoxygenases / Related Products
 
 
ALX-350-256 Revised 03-Apr-08
(+)-Aeroplysinin-1
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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ALX-350-256-M001   1 mg 70.00 USD Add To Cart
Product Specification
FORMULA: C9H9Br2NO3
MW: 339.0
CAS NUMBER: 28656-91-9
SOURCE/HOST: Isolated from Aplysina aerophoba.
PURITY: ≥97%
APPEARANCE: Oil.
SOLUBILITY: Soluble in 100% ethanol or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: CYTOTOXIC.

Product Description
Displays cytostatic and cytotoxic activity. Inhibitor of EGFR kinase. Shows antiangiogenic activity.
Product Specific Literature References
Aeroplysinin-1, an antibacterial bromo-compound from the sponge Verongia aerophoba: E. Fattorusso, et al.; J. Chem. Soc. 1, 16 (1972) Abstract
Cytostatic activity of aeroplysinin-1 against lymphoma and epithelioma cells: M.H. Kreuter, et al.; Z. Naturforsch. [C] 44, 680 (1989) Abstract
Inhibition of intrinsic protein tyrosine kinase activity of EGF-receptor kinase complex from human breast cancer cells by the marine sponge metabolite (+)-aeroplysinin-1: M.H. Kreuter, et al.; Comp. Biochem. Physiol. B 97, 151 (1990) Abstract
Production of the cytostatic agent aeroplysinin by the sponge Verongia aerophoba in in vitro culture: M.H. Kreuter, et al.; Comp. Biochem. Physiol. 101C, 183 (1992) Abstract
Antibiotic and cytotoxic activity of brominated compounds from the marine sponge Verongia aerophoba: R. Teeyapant, et al.; Z. Naturforsch. [C] 48, 939 (1993) Abstract
Cytotoxicity and mode of action of aeroplysinin-1 and a related dienonefrom the sponge Aplysina aerophoba: A. Koulman, et al.; J. Nat. Prod. 59, 591 (1996) Abstract
Antiangiogenic activity of aeroplysinin-1, a brominated compound isolated from a marine sponge: S. Rodriguez-Nieto, et al.; FASEB J. 16, 261 (2002) Abstract
Further Categories Containing This Product:
Tyrosine Kinase Inhibitors • EGFR Kinase Inhibitors • Natural Products with Antibiotic Activity • Natural Products - Antitumor Reagents • Natural Products for Angiogenesis Research
 
 
ALX-385-008 Revised 13-Mar-08
Apigenin
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SYNONYMS 4',5,7-Trihydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonoids / Related Products
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ALX-385-008-M010   10 mg 35.00 USD Add To Cart
ALX-385-008-M050   50 mg 105.00 USD Add To Cart
Product Specification
FORMULA: C15H10O5
MW: 270.2
CAS NUMBER: 520-36-5
MERCK INDEX: 14: 730
SOURCE/HOST: Synthetic.
PURITY: ≥90% (HPLC)
APPEARANCE: Light yellow to slightly brown powder.
SOLUBILITY: Soluble in diluted potassium hydroxide or DMSO; slightly soluble in 100% ethanol (hot). Insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: IRRITANT.

Product Description
Antioxidant flavonoid. Has chemopreventive and antitumor properties. Induces apoptosis. Inhibits the proliferation of malignant tumor cells by G2/M arrest. MAP kinase (MAPK/ERK) inhibitor. Inhibits hypoxia-inducible factor-1 (HIF-1) and vascular endothelial growth factor (VEGF) expression.
Product Specific Literature References
Apigenin and tangeretin enhance gap junctional intercellular communication in rat liver epithelial cells: C. Chaumontet, et al.; Carcinogenesis 15, 2325 (1994) Abstract
Apigenin induces morphological differentiation and G2-M arrest in rat neuronal cells: F. Sato, et al.; BBRC 204, 578 (1994) Abstract
Reversion of v-H-ras-transformed NIH 3T3 cells by apigenin through inhibiting mitogen activated protein kinase and its downstream oncogenes: M.L. Kuo and N.C. Yang; BBRC 212, 767 (1995) Abstract
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Apigenin inhibits endothelial-cell proliferation in G(2)/M phase whereas it stimulates smooth-muscle cells by inhibiting P21 and P27 expression: V. Trochon, et al.; Int. J. Cancer 85, 691 (2000) Abstract
Induction of caspase-dependent, p53-mediated apoptosis by apigenin in human neuroblastoma: R. Torkin, et al.; Mol. Cancer Ther. 4, 1 (2005) Abstract
Apigenin and cancer chemoprevention: progress, potential and promise: D. Patel, et al.; Int. J. Oncol. 30, 233 (2007), (Review) Abstract
Apigenin inhibits tumor angiogenesis through decreasing HIF-1alpha and VEGF expression: J. Fang, et al.; Carcinogenesis 28, 858 (2007) Abstract
Apigenin-induced cell cycle arrest is mediated by modulation of MAPK, PI3K-Akt, and loss of cyclin D1 associated retinoblastoma dephosphorylation in human prostate cancer cells: S. Shukla & S. Gupta; Cell Cycle 6, 1102 (2007) Abstract
Apigenin blocks lipopolysaccharide-induced lethality in vivo and proinflammatory cytokines expression by inactivating NF-kappaB through the suppression of p65 phosphorylation: C. Nicholas, et al.; J. Immunol. 179, 7121 (2007) Abstract
Further Categories Containing This Product:
MAPK Pathway Inhibitors • Antitumor Agents (Enzyme Inhibitors) • Natural Products for Angiogenesis Research • Hypoxia-inducible Factor [HIF] / Related Products • Natural Products - Protein Kinase Inhibitors • Natural Products - Antioxidants • Antitumor Agents (Anti-proliferative) • Natural Products - Antitumor Reagents • Natural Products - Apoptosis Inducers & Inhibitors
 
 
ALX-380-207 Revised 03-Apr-08
Apoptolidin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Apoptosis Inducers & Inhibitors
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ALX-380-207-MC01   0.1 mg 290.00 USD Add To Cart
Product Specification
FORMULA: C58H96O21
MW: 1129.4
CAS NUMBER: 194874-06-1
SOURCE/HOST: Isolated from Amicolatopsis sp. MST-AS5912.
PURITY: ≥95% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in 100% ethanol, methanol, dimethyl formamide or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: HARMFUL.

Product Description
Originally isolated from Nocardiopsis sp. Antibiotic. Potent and highly selective apoptosis inducer in several cancer cell lines. F0F1-ATPase inhibitor.
Product Specific Literature References
Apoptolidin, a new apoptosis inducer in transformed cells from Nocardiopsis sp: J.W. Kim, et al.; J. Antibiot. (Tokyo) 50, 6628 (1997) Abstract
Understanding and exploiting the mechanistic basis for selectivity of polyketide inhibitors of F(0)F(1)-ATPase: A.R. Salomon, et al.; PNAS 97, 14766 (2000) Abstract; Full Text
Apoptolidin, a selective cytotoxic agent, is an inhibitor of F0F1-ATPase: A.R. Salomon, et al.; Chem. Biol. 8, 71 (2001) Abstract; Full Text
Apoptolidin: induction of apoptosis by a natural product: P.T. Daniel, et al.; Angew. Chem. Int. Ed. Engl. 45, 872 (2006) Abstract
Correlation of F0F1-ATPase inhibition and antiproliferative activity of apoptolidin analogues: P.A. Wender, et al.; Org. Lett. 8, 589 (2006) Abstract
Further Categories Containing This Product:
Natural Products - ATPase Inhibitors • Antitumor Agents (Apoptosis Inducers) • Antitumor Antibiotics • Respiratory Chain Other Products
 
 
ALX-270-047 Revised 26-Sep-07
Aristolochic acid
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SYNONYMS 8-Methoxy-6-nitrophenanthrol(3,4-d)-1,3-dioxide-5-carboxylic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
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ALX-270-047-M025   25 mg 25.00 USD Add To Cart
ALX-270-047-M100   100 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C17H11NO7
MW: 341.3
CAS NUMBER: 313-67-7
MERCK INDEX: 14: 786
RTECS: CF3325000
SOURCE/HOST: Isolated from Aristolochia clematis.
PURITY: ≥97% (~1:1 mixture of aristolochic acids I (A) and II (B))
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HAZARD: MAY BE CARCINOGENIC. TOXIC. MAY BE MUTAGENIC.

Product Description
Phospholipase A2 (PLA2) inhibitor active against the enzymes found in many snake venoms as well as those of human platelets and synovial fluids. Inhibits ionophore-stimulated PLA2 activity in human neutrophils. Has been shown to be nephropathic and carcinogenic.
Product Specific Literature References
Characterization of three edema-inducing phospholipase A2 enzymes from habu (Trimeresurus flavoviridis) venom and their interaction with the alkaloid aristolochic acid: B.S. Vishwanath, et al.; Toxicon 25, 501 (1987) Abstract
Interaction of aristolochic acid with Vipera russelli phospholipase A2: its effect on enzymatic and pathological activities: B.S. Vishwanath & T.V. Gowda; Toxicon 25, 929 (1987) Abstract
Interaction of phospholipase A2 from Vipera russelli venom with aristolochic acid: a circular dichroism study: B.S. Vishwanath, et al.; Toxicon 25, 939 (1987) Abstract
Edema-inducing activity of phospholipase A2 purified from human synovial fluid and inhibition by aristolochic acid: B.S. Vishwanath, et al.; Inflammation 12, 549 (1988) Abstract
Effects of aristolochic acid on phospholipase A2 activity and arachidonate metabolism of human neutrophils: M.D. Rosenthal, et al.; Biochim. Biophys. Acta 1001, 3 (1989) Abstract
Suramin alters phosphoinositide synthesis and inhibits growth factor receptor binding in HT-29 cells: R. Kopp & A. Pfeiffer; Cancer Res. 50, 6490 (1990) Abstract
The effects of the phospholipase A2 inhibitors aristolochic acid and PGBx on A23187-stimulated mobilization of arachidonate in human neutrophils are overcome by diacylglycerol or phorbol ester: M.D. Rosenthal, et al.; Biochim. Biophys. Acta 1126, 319 (1992) Abstract
Evidence for different mechanisms involved in the formation of lyso platelet-activating factor and the calcium-dependent release of arachidonic acid from human neutrophils: J.D. Winkler, et al.; Biochem. Pharmacol. 44, 2055 (1992) Abstract
Selective inhibition of group II phospholipase A2 by quercetin: M. Lindahl & C. Tagesson; Inflammation 17, 573 (1993) Abstract
Detection of DNA adducts formed by aristolochic acid in renal tissue from patients with Chinese herbs nephropathy: H.H. Schmeiser, et al.; Cancer Res. 56, 2025 (1996) Abstract
Aristolochic acid and ’Chinese herbs nephropathy’: a review of the evidence to date: J.P. Cosyns; Drug Saf. 26, 33 (2003), Review Abstract
Effect of aristolochic acid on intracellular calcium concentration and its links with apoptosis in renal tubular cells: Y.H. Hsin, et al.; Apoptosis 11, 2167 (2006) Abstract
Further Categories Containing This Product:
PLA2 Inhibitors • Carcinogens & Tumor Promoters Other Products • Natural Products - Other Tumor Promoters • Alkaloids • Other Toxins
 
 
ALX-270-157 Revised 03-Apr-08
Australine . hydrochloride
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SYNONYMS (1R,2R,3R,7S,7aR)-3-Hydroxymethyl-1,2,7-trihydroxypyrrolizidine . HCI
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
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ALX-270-157-M001   1 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C8H15NO4. HCl
MW: 189.2 . 36.5
CAS NUMBER: 186766-07-4
SOURCE/HOST: Isolated from Castanospermum australe seeds.
PURITY: ≥95%
APPEARANCE: Crystalline solid.
SOLUBILITY: Soluble in water, methanol and 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: After reconstitution, prepare aliquots and store at -20°C.
HAZARD: HARMFUL.

Product Description
Alkaloid. Inhibitor of α-glucosidase, amyloglucosidase and glucosidase I. Does not inhibit glucosidase II, and is reported to be the first glucosidase inhibitor which differentiates glucosidase I from glucosidase II. Does not inhibit α-galactosidase, β-galactosidase, β-glucosidase, α-mannosidase and β-mannosidase.
Product Specific Literature References
Australine, a pyrrolizidine alkaloid that inhibits amyloglucosidase and glycoprotein processing: J.E. Tropea, et al.; Biochemistry 28, 2027 (1989) Abstract
Calystegins, a novel class of alkaloid glycosidase inhibitors: R.J. Molyneux, et al.; Arch. Biochem. Biophys. 304, 81 (1993) Abstract
Stereoselective synthesis of the glycosidase inhibitor australine through a one-pot, double-cyclization strategy: C. Ribes, et al.; Org. Lett. 9, 77 (2007) Abstract
Further Categories Containing This Product:
Alkaloids • Glycosidases / Related Products
 
 
ALX-350-366 Revised 03-Apr-08
Azaspiracid-1
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SYNONYMS AZA-1
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Other Toxins
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ALX-350-366-C001   1 µg 180.00 USD Add To Cart
Product Specification
FORMULA: C47H71NO12
MW: 842.1
CAS NUMBER: 214899-21-5
SOURCE/HOST: Islolated from marine mussel.
CONCENTRATION:

2μg/ml
PURITY: ≥95%
FORMULATION: Liquid. In methanol.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HAZARD: VERY TOXIC. MAY BE TERATOGENIC.

Product Description
Activator of JNK (c-Jun-N-terminal kinase). Cellular growth inhibitor and inducer of cytoskeletal alterations. Activator of caspases. Modulator of intracellular cAMP (cyclic adenosine monophosphate) and calcium levels. Inhibitor of cholesterol biosynthesis in human T lymphocyte cells. Potent teratogen to finfish. Cytotoxic to mammalian cells.
Product Specific Literature References
Multiple organ damage caused by a new toxin azaspiracid, isolated from mussels produced in Ireland: E. Ito, et al.; Toxicon 38, 917 (2000) Abstract
Azaspiracid-1, a potent, nonapoptotic new phycotoxin with several cell targets: Y. Roman, et al.; Cell. Signal. 14, 703 (2002) Abstract
Teratogenic effects of azaspiracid-1 identified by microinjection of Japanese medaka (Oryzias latipes) embryos: J.R. Coleman, et al.; Toxicon 45, 881 (2005) Abstract
Cytotoxic and cytoskeletal effects of azaspiracid-1 on mammalian cell lines: M.J. Twiner, et al.; Toxicon 45, 891 (2005) Abstract
Azaspiracids modulate intracellular pH levels in human lymphocytes: A. Alfonso, et al.; BBRC 346, 1091 (2006) Abstract
Cell growth inhibition and actin cytoskeleton disorganization induced by azaspiracid-1 structure-activity studies: N. Vilarino, et al.; Chem. Res. Toxicol. 19, 1459 (2006) Abstract
The c-Jun-N-terminal kinase is involved in the neurotoxic effect of azaspiracid-1: C. Vale, et al.; Cell Physiol. Biochem. 20, 957 (2007) Abstract
Effects of azaspiracid-1, a potent cytotoxic agent, on primary neuronal cultures. A structure-activity relationship study: C. Vale, et al.; J. Med. Chem. 50, 356 (2007) Abstract
Irreversible cytoskeletal disarrangement is independent of caspase activation during in vitro azaspiracid toxicity in human neuroblastoma cells: N. Vilarino, et al.; Biochem. Pharmacol. 74, 327 (2007) Abstract
Transcriptional profiling and inhibition of cholesterol biosynthesis in human T lymphocyte cells by the marine toxin azaspiracid: M.J. Twiner, et al.; Genomics 91, 289 (2008) Abstract
Further Categories Containing This Product:
MAPK Pathway Activators • Natural Products for Cytoskeletal Research • Natural Products - Other Signal Transduction Pathway Modulators • Caspases Other Products • cAMP Pathways Other Products
 
 
ALX-350-367 Revised 31-Mar-08
Azaspiracid-2
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SYNONYMS AZA-2
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Other Toxins
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ALX-350-367-C001   1 µg 360.00 USD Add To Cart
Product Specification
FORMULA: C48H73NO12
MW: 855.5
CAS NUMBER: 265996-92-7
SOURCE/HOST: Isolated from marine mussel.
CONCENTRATION: 2µg/ml
PURITY: ≥95%
APPEARANCE: Liquid. In methanol.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HAZARD: VERY TOXIC.

Product Description
Modulator of intracellular cAMP (cyclic adenosine monophosphate) and calcium levels.
Product Specific Literature References
Effects of Azaspiracids 2 and 3 on intracellular cAMP, [Ca2+], and pH: Y. Roman, et al.; Chem. Res. Toxicol. 17, 1338 (2004) Abstract
Azaspiracids modulate intracellular pH levels in human lymphocytes: A. Alfonso, et al.; BBRC 346, 1091 (2006) Abstract
Further Categories Containing This Product:
Natural Products - Other Signal Transduction Pathway Modulators • cAMP Pathways Other Products
 
 
ALX-350-368 Revised 31-Mar-08
Azaspiracid-3
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SYNONYMS AZA-3
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Other Toxins
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ALX-350-368-C001   1 µg 540.00 USD Add To Cart
Product Specification
FORMULA: C46H69NO12 </