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ALX-380-204 Revised 17-Jun-08
Ansatrienin B
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SYNONYMS Mycotrienin II
T 23II
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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ALX-380-204-M001   1 mg 380.00 USD Add To Cart
Product Specification
FORMULA: C36H50N2O8
MW: 638.8
CAS NUMBER: 82189-04-6
RTECS: AY4553430
SOURCE/HOST: Isolated from Streptomyces sp. MST-AS5998.
PURITY: ≥95% (HPLC)
APPEARANCE: Yellow powder.
SOLUBILITY: Soluble in 100% ethanol, methanol, dimethyl formamide or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Antitumor antibiotic, closely related to the cytotrienins. Displays potent anticancer activities. Significantly potentiates the action of several clinical antitumor agents. Inhibits osteoclastic bone resorption.
Product Specific Literature References
Mycotrienin, a new polyene antibiotic isolated from Streptomyces: C. Coronelli, et al.; J. Antibiot. (Tokyo) 20, 329 (1967) Abstract
Studies on mycotrienin antibiotics, a novel class of ansamycins. I. Taxonomy, fermentation, isolation and properties of mycotrienins I and II: M. Sugita, et al.; J. Antibiot. (Tokyo) 35, 1460 (1982) Abstract
Studies on mycotrienin antibiotics, a novel class of ansamycins. II. Structure elucidation and biosynthesis of mycotrienins I and II: M. Sugita, et al.; J. Antibiot. (Tokyo) 35, 1467 (1982) Abstract
Potentiation of mitomycin C, 6-mercaptopurine, bleomycin, cis-diamminedichloroplatinum and 5-fluorouracil by mycotrienins and mycotrienols: M. Kuwano, et al.; Gann. 74, 759 (1983) Abstract
Mycotrienins. A new class of potent inhibitors of osteoclastic bone resorption: D. Feuerbach, et al.; J. Biol. Chem. 270, 25949 (1995) Abstract; Full Text
Further Categories Containing This Product:
Bone Metabolism Other Products
 
 
ALX-430-063 Revised 10-Oct-07
Anthralin
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SYNONYMS Dithranol
PRODUCT LINE Inflammation
PRODUCT CATEGORY Leukotrienes Other Products
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ALX-430-063-G001   1 g 25.00 USD Add To Cart
Product Specification
FORMULA: C14H10O3
MW: 226.2
CAS NUMBER: 1143-38-0
MERCK INDEX: 14: 684
RTECS: CB8927000
PURITY: ≥97% (HPLC)
APPEARANCE: Yellow powder.
SOLUBILITY: Soluble in acetic acid.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: MAY BE MUTAGENIC. IRRITANT.

Product Description
Leukotriene biosynthesis inhibitor. Inhibits LTB4 ω-oxidation.
Product Specific Literature References
Anthralin (1,8-dihydroxyanthrone) is a potent inhibitor of leukotriene production and LTB4-omega oxidation by human neutrophils: J.M. Schröder; J. Invest. Dermatol. 87, 624 (1986) Abstract
Further Categories Containing This Product:
Carcinogens & Tumor Promoters Other Products • Cancer Other Products
 
 
ALX-350-016 Revised 31-Jul-08
(+)-Aphidicolin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Cell Cycle Research
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ALX-350-016-M001   1 mg 65.00 USD Add To Cart
ALX-350-016-M005   5 mg 260.00 USD Add To Cart
ALX-350-016-M025   25 mg 890.00 USD Add To Cart
Product Specification
FORMULA: C20H34O4
MW: 338.5
CAS NUMBER: 38966-21-1
MERCK INDEX: 14: 727
RTECS: PB9185000
SOURCE/HOST: Isolated from Nigrospora oryzae.
PURITY: ≥98%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (50mg/ml), methanol (10mg/ml) or 100% ethanol; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Reversible inhibitor of eukaryotic nuclear DNA replication. Useful for cell synchronization. Blocks the cell cycle at early S phase. Prolongs the half life of DNA methyltransferase. Specific inhibitor of DNA polymerase α and δ in eukaryotic cells and in some viruses of animal origin. Acts synergistically with vincristine and doxorubicin. Apoptosis inhibitor/inducer.
Product Specific Literature References
X-Ray crystallographic determination of the structure of the antibiotic aphidicolin: a tetracyclic diterpenoid containing a new ring system: K.M. Brundret, et al.; J. C. S. Chem. Commun. 1027 (1972)
The production of aphidicolin by Nigrospora sphaerica: A.N. Starratt and S.R Loschiavo; Can. J. Microbiol. 20, 416 (1974)
Aphidicolin prevents mitotic cell division by interfering with the activity of DNA polymerase-alpha: S. Ikegami, et al.; Nature 275, 458 (1978) Abstract
Inhibition by aphidicolin of cell cycle progression and DNA replication in sea urchin embryos: S. Ikegami, et al.; J. Cell. Physiol. 100, 439 (1979) Abstract
New views of the biochemistry of eucaryotic DNA replication revealed by aphidicolin, an unusual inhibitor of DNA polymerase alpha: J.A. Huberman; Cell 23, 647 (1981) Abstract
Aphidicolin: a specific inhibitor of nuclear DNA replication in eukaryotes: S. Spadari, et al.; TIBS 7, 29 (1982)
Aphidicolin potentiates apoptosis induced by arabinosyl nucleosides in human myeloid leukemia cell lines: K. Kuwakado, et al.; Biochem. Pharmacol. 46, 1909 (1993) Abstract
Life, death and genomic change in perturbed cell cycles: R.T. Schimke, et al.; Philos. Trans. R. Soc. London B Biol. Sci. 345, 311 (1994) Abstract
Dissociation of nuclear and cytoplasmic cell cycle progression by drugs employed in cell synchronization: L. Urbani, et al.; Exp. Cell. Res. 219, 159 (1995) Abstract
Drug-induced apoptosis is not necessarily dependent on macromolecular synthesis or proliferation in the p53-negative human prostate cancer cell line PC-3: M.M. Borner, et al.; Cancer Res. 55, 2122 (1995) Abstract
TrkA neurogenic receptor regulates differentiation of neuroblastoma cells: W. Poluha, et al.; Oncogene 10, 185 (1995) Abstract
Coordinate regulation of G- and C strand length during new telomere synthesis: X. Fan and C.M. Price; Mol. Biol. Cell 8, 2145 (1997) Abstract; Full Text
Effect of aphidicolin on DNA methyltransferase in the nucleus: I. Suetake, et al.; Cell Struct. Funct. 23, 137 (1998) Abstract
Cytotoxicity of aphidicolin and its derivatives against neuroblastoma cells in vitro: synergism with doxorubicin and vincristine: M. Michaelis, et al.; Anticancer Drugs 11, 479 (2000) Abstract
Aphidicolin and bleomycin induced chromosome damage as biomarker of mutagen sensitivity: a twin study: B. Tedeschi, et al.; Mutat. Res. 546, 55 (2004) Abstract
Further Categories Containing This Product:
Cell Cycle Blockers & Inhibitors / Related Products • Natural Products - Other Tumor Promoters • DNA Replication Inhibitors • Carcinogens & Tumor Promoters Other Products • Natural Products - DNA Replication Inhibitors • Natural Products - Apoptosis Inducers & Inhibitors
 
 
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 - Apoptosis Inducers & Inhibitors • Antitumor Agents (Anti-proliferative) • Natural Products - Antitumor Reagents • Natural Products - Antioxidants
 
 
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-350-312 Revised 28-May-08
(-)-Arctigenin
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SYNONYMS (3R,4R)-4-[(3,4-Dimethoxyphenyl)methyl]dihydro-3-[(4-hydroxy-3-methoxyphenyl)methyl]-2-(3H)-furanone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
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ALX-350-312-M025   25 mg 70.00 USD Add To Cart
Product Specification
FORMULA: C21H24O6
MW: 372.4
CAS NUMBER: 7770-78-7
SOURCE/HOST: Isolated from Arctium lappa.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (34mg/ml, heating, sonication); sparingly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Lignan derivative, which shows antitumor, anti-inflammatory, immunomodulatory and neuroprotective activities. Down-regulates anti-apoptotic protein Bcl-XL. Potent inhibitor of HIV type-I integrase and DNA topoisomerase II. Shows phytoestrogenic and cytotoxic properties against Hep62 cells.  Antagonist for platelet activating factor and Ca2+. Blocks the activation of Akt (protein kinase B; PKB) induced by glucose starvation.
Product Specific Literature References
Antiproliferative effect of Arctigenin and Arctiin: S.Y. Ryu, et al.; Arch. Pharm. Res. 18, 462 (1995)
(-)-Arctigenin as a lead structure for inhibitors of human immunodeficiency virus type-1 integrase: E. Eich, et al.; J. Med. Chem 39, 86 (1996) Abstract
Immunomodulatory effect of arctigenin, a lignan compound, on tumour necrosis factor-alpha and nitric oxide production, and lymphocyte proliferation: J.Y. Cho, et al.; J. Pharm. Pharmacol. 51, 1267 (1999) Abstract
Arctigenin protects cultured cortical neurons from glutamate-induced neurodegeneration by binding to kainate receptor: Y.P. Jang, et al.; J. Neurosci. Res. 68, 233 (2002) 68, 233 (2002) Abstract
A phytochemical study of lignans in whole plants and cell suspension cultures of Anthriscus sylvestris: A. Koulman, et al.; Planta Med. 69, 733 (2003) Abstract
Naturally occurring lignans efficiently induce apoptosis in colorectal tumor cells: B. Hausott, et al.; J. Cancer Res. Clin. Oncol. 129, 569 (2003) Abstract
Arctigenin, a phenylpropanoid dibenzylbutyrolactone lignan, inhibits MAP kinases and AP-1 activation via potent MKK inhibition: the role in TNF-alpha inhibition: M.K. Cho, et al.; Int. Immunopharmacol. 4, 1419 (2004) Abstract
Arctigenin, a phenylpropanoid dibenzylbutyrolactone lignan, inhibits MAP kinases and AP-1 activation via potent MKK inhibition: the role in TNF-alpha inhibition: M.K. Cho, et al.; Int. Immunopharmacol. 4, 1419 (2004) Abstract
Identification of arctigenin as an antitumor agent having the ability to eliminate the tolerance of cancer cells to nutrient starvation: S. Awale, et al.; Cancer Res. 66, 1751 (2006) Abstract
The chemopreventive effects of Saussurea salicifolia through induction of apoptosis and phase II detoxification enzyme: K. Kang, et al.; Biol. Pharm. Bull. 30, 2352 (2007) Abstract
Further Categories Containing This Product:
Bcl-2 Family Modulators • Natural Products - Nitric Oxide Pathway Modulators • Platelet Activating Factors [PAF] & Receptors / Related Products • Natural Products - Topoisomerase Inhibitors • Natural Products - Immunomodulators • Natural Products - Anti-inflammatory Agents • Natural Products - Antiviral / anti-HIV Agents • HIV / AIDS / Related Products
 
 
ALX-350-318 Revised 17-Jun-08
(-)-Arctiin
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SYNONYMS (3R,4R)-4-[(3,4-Dimethoxyphenyl)methyl]-3-[[4-(β-D-glucopyranosyloxy)-3-methoxyphenyl]methyl]dihydro-2(3H)-furanone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
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ALX-350-318-M025   25 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C27H34O11
MW: 534.6
CAS NUMBER: 20362-31-6
SOURCE/HOST: Isolated from Arctium lappa.
PURITY: ≥95% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (5mg/ml); sparingly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description

Lignan derivative with antitumor activities. Down-regulates anti-apoptotic protein Bcl-XL. Potent inhibitor of HIV type-I integrase and DNA topoisomerase II. Shows phytoestrogenic activity and is an antagonist for platelet activating factor and Ca2+.
Product Specific Literature References
Platelet activating factor (PAF) antagonists contained in medicinal plants: lignans and sesquiterpenes: S. Iwakami, et al.; Chem. Pharm. Bull. (Tokyo) 40, 1196 (1992) Abstract
Antiproliferative effect of Arctigenin and Arctiin: S.Y. Ryu, et al.; Arch. Pharm. Res. 18, 462 (1995)
Cytotoxic components of bardanae fructus (goboshi): S. Moritani, et al.; Biol. Pharm. Bull. 19, 1515 (1996) Abstract
Plant-derived leading compounds for chemotherapy of human immunodeficiency virus (HIV) infection: A.J. Vlietinck, et al.; Planta Med. 64, 97 (1998) Abstract
Anti-tumor-promoting activity of lignans from the aerial part of Saussurea medusa: M. Takasaki, et al.; Cancer Lett. 158, 53 (2000) Abstract
Isolation and identification of arctiin and arctigenin in leaves of burdock (Arctium lappa L.) by polyamide column chromatography in combination with HPLC-ESI/MS: S. Liu, et al.; Phytochem. Anal. 16, 86 (2005) Abstract
Application of preparative high-speed counter-current chromatography for separation and purification of arctiin from Fructus Arctii: X. Wang, et al.; J. Chromatogr. A. 1063, 247 (2005) Abstract
The chemopreventive effects of Saussurea salicifolia through induction of apoptosis and phase II detoxification enzyme: K. Kang, et al.; Biol. Pharm. Bull. 30, 2352 (2007) Abstract
Further Categories Containing This Product:
Antitumor Agents (Anti-proliferative) • Bcl-2 Family Modulators • Platelet Activating Factors [PAF] & Receptors / Related Products • Natural Products - Immunomodulators • Natural Products - Topoisomerase Inhibitors • Natural Products - Antiviral / anti-HIV Agents • HIV / AIDS / Related Products
 
 
ALX-260-136 Revised 16-Jun-05
H-Arg-Lys-Leu-Leu-Trp-NH2
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SYNONYMS RKLLW-NH2
PRODUCT LINE Cancer
PRODUCT CATEGORY Cathepsin Inhibitors
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ALX-260-136-M001   1 mg 30.00 USD Add To Cart
ALX-260-136-M005   5 mg 120.00 USD Add To Cart
Product Specification
FORMULA: C35H59N11O5
MW: 713.9
PURITY: ≥98%
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
Product Description
Highly potent peptide inhibitor of human cathepsin L.
Product Specific Literature References
Highly potent inhibitors of human cathepsin L identified by screening combinatorial pentapeptide amide collections:: A. Brinker, et al.; Eur. J. Biochem. 267, 5085 (2000) Abstract
 
 
ALX-350-129 Revised 04-Dec-07
Aristoforin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Apoptosis Inducers & Inhibitors
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ALX-350-129-M001   1 mg 190.00 USD Add To Cart
Product Specification
FORMULA: C37H54O6
MW: 594.8
CAS NUMBER: 849215-53-8
PURITY: ≥95%
APPEARANCE: White to yellow oil.
SOLUBILITY: Soluble in DMSO or 100mM sodium hydrogen carbonate/2% DMSO.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Stable and water-soluble derivative of hyperforin (Prod. No. ALX-350-097) inducing apoptosis. Antitumor agent. Inhibits sirtuins.
Product Specific Literature References