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Natural Products - DNA Replication Inhibitors
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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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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
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
 
 
ALX-350-144 Revised 03-Apr-08
Bakuchiol
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SYNONYMS 4-(3-Ethenyl-3,7-dimethyl-1,6-octadienyl)phenol
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
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ALX-350-144-M001   1 mg 170.00 USD Add To Cart
Product Specification
FORMULA: C18H24O
MW: 256.4
CAS NUMBER: 10309-37-2
SOURCE/HOST: Isolated from plant Psoralea corylifolia.
PURITY: ≥97% (HPLC)
APPEARANCE: Yellow to brownish oil.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
IDENTITY: Determined by 1H-NMR, 13C-NMR and MS.

Product Description
Inhibitor of protein tyrosine phosphatase 1B (PTB1B). Antioxidant. Inhibitor of mitochondrial lipid peroxidation. Inhibitor of inducible nitric oxide synthase (iNOS; NOS II) expression. DNA polymerase inhibitor. Shows antimicrobial and cytotoxic activity.
Product Specific Literature References
Plant antimutagenic agents, 2. Flavonoids: M.E. Wall, et al.; J. Nat. Prod. 51, 1084 (1988) Abstract
DNA polymerase and topoisomerase II inhibitors from Psoralea corylifolia: N.J. Sun, et al.; J. Nat. Prod. 61, 362 (1998) Abstract
Inhibition of mitochondrial lipid peroxidation by Bakuchiol, a meroterpene from Psoralea corylifolia: H. Haraguchi, et al.; Planta Med. 66, 569 (2000) Abstract
Active constituents isolated from Psoralea glandulosa L. with antiinflammatory and antipyretic activities: C.N. Backhouse, et al.; J. Ethnopharmacol. 78, 27 (2001) Abstract
Bakuchiol: a hepatoprotective compound of Psoralea corylifolia on tacrine-induced cytotoxicity in Hep G2 cells: H. Cho, et al.; Planta Med. 67, 750 (2001) Abstract
In vitro antimicrobial activities of bakuchiol against oral microorganisms: H. Katsura, et al.; Antimicrob. Agents Chemother. 45, 3009 (2001) Abstract; Full Text
Bakuchiol from Psoralea corylifolia inhibits the expression of inducible nitric oxide synthase gene via the inactivation of nuclear transcription factor-kappaB in RAW 264.7 macrophages: H.O. Pae, et al.; Int. Immunopharmacol. 1, 1849 (2001) Abstract
Antioxidative components of Psoralea corylifolia (Leguminosae): H. Haraguchi, et al.; Phytother. Res. 16, 539 (2002) Abstract
The evaluation of forty-three plant species for in vitro antimycobacterial activities; isolation of active constituents from Psoralea corylifolia and Sanguinaria canadensis: S.M. Newton, et al.; J. Ethnopharmacol. 79, 57 (2002) Abstract
Antioxidant activity of bakuchiol: experimental evidences and theoretical treatments on the possible involvement of the terpenoid chain: S. Adhikari, et al.; Chem. Res. Toxicol. 16, 1062 (2003) Abstract
Preparation and in vitro evaluation of radioiodinated bakuchiol as an anti tumor agent: K. Bapat, et al.; Appl. Radiat. Isot. 62, 389 (2005) Abstract
In vitro protein tyrosine phosphatase 1B inhibitory phenols from the seeds of Psoralea corylifolia: Y.C. Kim, et al.; Planta Med. 71, 87 (2005) Abstract
Protective effect of (S)-bakuchiol from Psoralea corylifolia on rat liver injury in vitro and in vivo: E.J. Park, et al.; Planta Med. 71, 508 (2005) Abstract
Bakuchiol-induced caspase-3-dependent apoptosis occurs through c-Jun NH2-terminal kinase-mediated mitochondrial translocation of Bax in rat liver myofibroblasts: E.J. Park, et al.; Eur. J. Pharmacol. 559, 115 (2007) Abstract
 
 
ALX-350-092 Revised 03-Apr-08
Emetine . dihydrochloride
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SYNONYMS 6’,7’,10,11-Tetramethoxyemetan . 2HCl
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - DNA Replication Inhibitors
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ALX-350-092-M050   50 mg 10.00 USD Add To Cart
Product Specification
FORMULA: C29H40N2O4 . 2HCl
MW: 480.7 . 73.0
CAS NUMBER: 316-42-7
MERCK INDEX: 14: 3559
SOURCE/HOST: Isolated from ground roots of Uragoga ipecacuanha.
PURITY: ≥98%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in water or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light. Hygroscopic.
HAZARD: TOXIC.

Product Description
Irreversibly blocks protein synthesis by inhibiting the movement of ribosome along the mRNA. Induces hypotension by blocking adrenoreceptors. Inhibits DNA replication in the early S phase. Inhibits HIF-1 activation by hypoxia. Induces apoptosis in leukemia cells. Antiamebic.
Product Specific Literature References
Inhibitors of protein biosynthesis. V. Effects of emetine on protein and nucleic acid biosynthesis in HeLa cells: A.P. Grollman; J. Biol. Chem. 243, 4089 (1968) Abstract
Cytometric analysis of DNA replication inhibited by emetine and cyclosporin A:: A: T. Schweighoffer, et al.; Histochemistry 96, 93 (1991) Abstract
Emetine allows identification of origins of mammalian DNA replication by imbalanced DNA synthesis, not through conservative nucleosome segregation: W.C. Burhans, et al.; EMBO J. 10, 4351 (1991) Abstract
Role of newly synthesized MHC class II molecules in antigen-specific antigen presentation by B cells: T. Kokuho, et al.; Immunobiology 193, 42 (1995) Abstract
Terpenoid tetrahydroisoquinoline alkaloids emetine, klugine, and isocephaeline inhibit the activation of hypoxia-inducible factor-1 in breast tumor cells: Y.D. Zhou, et al.; J. Nat. Prod. 68, 947 (2005) Abstract
The alkaloid emetine as a promising agent for the induction and enhancement of drug-induced apoptosis in leukemia cells: M. Moller, et al.; Oncol. Rep. 18, 737 (2007) Abstract
Characteristics of apoptosis induction by the alkaloid emetine in human tumour cell lines: M. Moller & M. Wink; Planta Med. 73, 1389 (2007) Abstract
 
 
ALX-350-138 Revised 05-Dec-06
Hexaprenylhydroquinone
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SYNONYMS HPH
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antiviral / anti-HIV Agents
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ALX-350-138-M001   1 mg 160.00 USD Add To Cart
Product Specification
FORMULA: C36H54O2
MW: 518.8
CAS NUMBER: 119980-00-6
SOURCE/HOST: Isolated from Sarcotragus sp.
PURITY: ≥97% (HPLC)
APPEARANCE: Off-white to brown solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
IDENTITY: Identity determined by MS, 1H-NMR.

Product Description
Potent inhibitor of HIV reverse transcriptase and cellular DNA polymerase. Inhibitor of CDC25A. Similar compounds have shown inhibitory effects on phospholipase A2.
Product Specific Literature References
Three new heptaprenylhydroquinone derivatives from the sponge Ircinia fasciculata: Y. Venkateswarlu and M. Venkata Rami Reddy; J. Nat. Prod. 57, 1286 (1994)
Biological effects of prenylated hydroquinones: structure-activity relationship studies in antimicrobial, brine shrimp, and fish lethality assays: S. De Rosa, et al.; J. Nat. Prod. 57, 1711 (1994) Abstract
Mode of inhibition of HIV reverse transcriptase by 2-hexaprenylhydroquinone, a novel general inhibitor of RNA-and DNA-directed DNA polymerases: S. Loya, et al.; Biochem. J. 324, 721 (1997) Abstract; Full Text
Polyprenyl-hydroquinones and -furans from three marine sponges inhibit the cell cycle regulating phosphatase CDC25A: I. Erdogan-Orhan, et al.; Nat. Prod. Res. 18, 1 (2004) Abstract
General Literature References
Effects of marine 2-polyprenyl-1,4-hydroquinones on phospholipase A2 activity and some inflammatory responses: B. Gil, et al.; Eur. J. Pharmacol. 285, 281 (1995) Abstract
 
 
ALX-350-146 Revised 03-Oct-07
Neobavaisoflavone
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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ALX-350-146-M001   1 mg 170.00 USD Add To Cart
Product Specification
FORMULA: C20H18O4
MW: 322.4
CAS NUMBER: 41060-15-5
SOURCE/HOST: Isolated from plant Psoralea corylifolia.
PURITY: ≥97% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
IDENTITY: Determined by 1H-NMR, 13C-NMR and MS.

Product Description
Inhibits platelet aggregation. DNA polymerase inhibitor. Shows antifungal activity.
Product Specific Literature References
Prenylated isoflavanone from the roots of Erythrina sigmoidea: A.E. Nkengfack, et al.; Phytochemistry 36, 1047 (1994) Abstract
Antiplatelet flavonoids from seeds of Psoralea corylifolia: W.J. Tsai, et al.; J. Nat. Prod. 59, 671 (1996) Abstract
DNA polymerase and topoisomerase II inhibitors from Psoralea corylifolia: N.J. Sun, et al.; J. Nat. Prod. 61, 362 (1998) Abstract
Studies on the chemical constituents of Psoralea corylifolia L.: B. Ruan, et al.; J. Asian Nat. Prod. Res. 9, 41 (2007) Abstract
 
 

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