• Home
  • Sitemap
  • Help
  • Technical Support
  • Contact
Natural Products - Chemopreventive Agents
You are here: Product Lines > Cancer > Natural Products - Chemopreventive Agents
Toolbar - View Selection
 
 Items 20-40 of 48 Page 2 of 3 Select Page: << 1 2 3  >>  
ALX-270-263 Revised 03-Apr-08
(-)-Epigallocatechin gallate
Add to Clipboard
SYNONYMS EGCG
(2R,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol 3-(3,4,5-trihydroxybenzoate)
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-263-M010   10 mg 20.00 USD Add To Cart
ALX-270-263-M050   50 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C22H18O11
MW: 458.4
CAS NUMBER: 989-51-5
MERCK INDEX: 14: 3526
SOURCE/HOST: Isolated from green tea.
PURITY: ≥98% (HPLC)
APPEARANCE: Off-white to yellow powder.
SOLUBILITY: Soluble in 100% ethanol, dimethyl formamide or DMSO; slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Stock solutions in DMSO are stable for up to 3 months when stored at -20°C.
HANDLING: After reconstitution, prepare aliquots and store at -20°C. Keep under inert gas. Protect from light.

Product Description
Antitumor reagent. Antioxidant. Protects cells from lipid peroxidation and DNA damage induced by reactive free radicals. Inhibits inducible nitric oxide synthase (iNOS; NOS II). Chemopreventive anticancer agent. Induces apoptosis in human cancer cell lines. Inhibits MAP kinase mediated signalling pathways. Inhibits angiogenesis. Inhibits telomerase and DNA methyltransferase. Anti-inflammatory agent.
Product Specific Literature References
Inhibitory effect of topical application of a green tea polyphenol fraction on tumor initiation and promotion in mouse skin: M.T. Huang, et al.; Carcinogenesis 13, 947 (1992) Abstract
Inhibition of 12-O-tetradecanoylphorbol-13-acetate and other skin tumor-promoter-caused induction of epidermal interleukin-1 alpha mRNA and protein expression in SENCAR mice by green tea polyphenols: S.K. Katiyar, et al.; J. Invest. Dermatol. 105, 394 (1995) Abstract
Growth inhibition and regression of human prostate and breast tumors in athymic mice by tea epigallocatechin gallate: S. Liao, et al.; Cancer Lett. 96, 239 (1995) Abstract
Inhibition of N-methyl-N'-nitro-N-nitrosoguanidine-induced carcinogenesis by (-)-epigallocatechin gallate in the rat glandular stomach: T. Yamane, et al.; Cancer Res. 55, 2081 (1995) Abstract
(-)-Epigallocatechin gallate, a polyphenolic tea antioxidant, inhibits peroxynitrite-mediated formation of 8-oxodeoxyguanosine and 3-nitrotyrosine: E.S. Fiala, et al.; Experientia 52, 922 (1996) Abstract
Green tea constituent epigallocatechin-3-gallate and induction of apoptosis and cell cycle arrest in human carcinoma cells: N. Ahmad, et al.; J. Natl. Cancer Inst. 89, 1881 (1997) Abstract
Inhibition of inducible nitric oxide synthase gene expression and enzyme activity by epigallocatechin gallate, a natural product from green tea: M.M. Chan, et al.; Biochem. Pharmacol. 54, 1281 (1997) Abstract
(-)-Epigallocatechin-3-gallate blocks the induction of nitric oxide synthase by down-regulating lipopolysaccharide-induced activity of transcription factor nuclear factor-kappaB: Y.L. Lin & J.K. Lin; Mol. Pharmacol. 52, 465 (1997) Abstract
Telomerase inhibition, telomere shortening, and senescence of cancer cells by tea catechins: I. Naasani, et al.; BBRC 249, 391 (1998) Abstract
Epigallocatechin suppression of proliferation of vascular smooth muscle cells: correlation with c-jun and JNK: L.H. Lu, et al.; Br. J. Pharmacol. 124, 1227 (1998) Abstract
ESR study on the structure-antioxidant activity relationship of tea catechins and their epimers: Q. Guo, et al.; Biochim. Biophys. Acta 1427, 13 (1999) Abstract
Pharmacokinetics of the green tea derivative, EGCG, by the topical route of administration in mouse and human skin: K. Dvorakova, et al.; Cancer Chemother. Pharmacol. 43, 331 (1999) Abstract
Polyphenolic antioxidant (-)-epigallocatechin-3-gallate from green tea reduces UVB-induced inflammatory responses and infiltration of leukocytes in human skin: S.K. Katiyar, et al.; Photochem. Photobiol. 69, 148 (1999) Abstract
Antioxidant chemistry of green tea catechins. Identification of products of the reaction of (-)-epigallocatechin gallate with peroxyl radicals: S. Valcic, et al.; Chem. Res. Toxicol. 12, 382 (1999) Abstract
Antimutagenic and anticarcinogenic activity of tea polyphenols: Y. Kuroda & Y. Hara; Mutat. Res. 436, 69 (1999) Abstract
Inhibitory effect of green and black tea on tumor growth: A.H. Conney, et al.; Proc. Soc. Exp. Biol. Med. 220, 229 (1999) Abstract
Green tea epigallocatechin gallate: a natural inhibitor of fatty-acid synthase: X. Wang & W. Tian; BBRC 288, 1200 (2001) Abstract
Epigallocatechin gallate, a constituent of green tea, represses hepatic glucose production: M.E. Waltner-Law, et al.; J. Biol. Chem. 277, 34933 (2002) Abstract; Full Text
The specificities of protein kinase inhibitors: an update:: J. Bain, et al.; Biochem. J. 371, 199 (2003) Abstract; Full Text
Selective inhibition of ADAMTS-1, -4 and -5 by catechin gallate esters: M.N. Vankemmelbeke, et al.; Eur. J. Biochem. 270, 2394 (2003) Abstract
Epigallocatechin-3-gallate, constituent of green tea, suppresses the LPS-induced phenotypic and functional maturation of murine dendritic cells through inhibition of mitogen-activated protein kinases and NF-kappaB: S.C. Ahn, et al.; BBRC 313, 148 (2004) Abstract
Epigallocatechin-3-gallate inhibits epidermal growth factor receptor signaling pathway. Evidence for direct inhibition of ERK1/2 and AKT kinases: J.F. Sah, et al.; J. Biol. Chem. 279, 12755 (2004) Abstract
Inhibition of c-Jun NH2-terminal kinase activity improves ischemia/reperfusion injury in rat lungs: M. Ishii, et al.; J. Immunol. 172, 2569 (2004) Abstract
A constituent of green tea, epigallocatechin-3-gallate, activates endothelial nitric oxide synthase by a phosphatidylinositol-3-OH-kinase-, cAMP-dependent protein kinase-, and Akt-dependent pathway and leads to endothelial-dependent vasorelaxation: M. Lorenz, et al.; J. Biol. Chem. 279, 6190 (2004) Abstract; Full Text
Green tea polyphenols prevent toxin-induced hepatotoxicity in mice by down-regulating inducible nitric oxide-derived prooxidants: J.H. Chen, et al.; Am. J. Clin. Nutr. 80, 742 (2004) Abstract; Full Text
Neuroprotective effects of (-)-epigallocatechin gallate following hypoxia-ischemia-induced brain damage: novel mechanisms of action: B.A. Sutherland, et al.; FASEB J. 19, 258 (2005) Abstract; Full Text
Tea flavanols inhibit angiotensin-converting enzyme activity and increase nitric oxide production in human endothelial cells: I.A. Persson, et al.; J. Pharm. Pharmacol. 58, 1139 (2006) Abstract
General Literature References
Anticarcinogenic effects of (-)-epigallocatechin gallate: H. Fujiki, et al.; Prev. Med. 21, 503 (1992), (Review) Abstract
Absorption, metabolism and antioxidative effects of tea catechin in humans: T. Miyazawa; Biofactors 13, 55 (2000), (Review) Abstract
Inhibition of tumour invasion and angiogenesis by epigallocatechin gallate (EGCG), a major component of green tea: Y.D. Jung and L.M. Ellis; Int. J. Exp. Pathol. 82, 309 (2001), (Review) Abstract
Anti-invasive effects of green tea polyphenol epigallocatechin-3-gallate (EGCG), a natural inhibitor of metallo and serine proteases: R. Benelli, et al.; Biol. Chem. 383, 101 (2002), (Review) Abstract
 
 
ALX-460-006 Revised 08-Oct-07
Folic acid
Add to Clipboard
SYNONYMS Pteroylglutamic acid
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Folic Acid & Folate Receptors / Related Products
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-460-006-G010   10 g 28.00 USD Add To Cart
Product Specification
FORMULA: C19H19N7O6
MW: 441.4
CAS NUMBER: 59-30-3
MERCK INDEX: 14: 4221
PURITY: ≥97%
APPEARANCE: Yellow to orange powder.
SOLUBILITY: Soluble in diluted acids or alkaline solutions; slightly soluble in water or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Alkaline solutions are reasonably stable. Other solutions may be light and heat sensitive.

 
 
ALX-350-247 Revised 27-Oct-08
Genistin
Add to Clipboard
SYNONYMS Genistein-7-O-glucoside
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-247-M010   10 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C21H20O10
MW: 432.4
CAS NUMBER: 529-59-9
MERCK INDEX: 14: 4391
RTECS: DJ3093000
PURITY: ≥98%
APPEARANCE: Off-white to light yellow powder.
SOLUBILITY: Soluble in DMSO or dilute aqueous base; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Glucoside of genistein (Prod. No. ALX-350-006) found in soy beans. Useful as a negative control for genistein and other tyrosine kinase inhibitors. Selective inhibitor of terminal deoxyribonucleotidyltransferase (TdT). Displays antioxidant and anticarcinogenic properties.
Product Specific Literature References
Soybean isoflavones, genistein and genistin, inhibit rat myoblast proliferation, fusion and myotube protein synthesis: S. Ji, et al.; J. Nutr. 129, 1291 (1999) Abstract
Daidzein and genistein but not their glucosides are absorbed from the rat stomach: M.K. Piskula, et al.; FEBS Lett. 447, 287 (1999) Abstract
Inhibition of CYP1A1 enzyme activity in mouse hepatoma cell culture by soybean isoflavones: H.G. Shertzer, et al.; Chem. Biol. Interact. 123, 31 (1999) Abstract
Selective inhibitors of terminal deoxyribonucleotidyltransferase (TdT): baicalin and genistin: Y. Uchiyama, et al.; Biochim. Biophys. Acta 1725, 298 (2005) Abstract
Genistin inhibits UV light-induced plasmid DNA damage and cell growth in human melanoma cells: A. Russo, et al.; J. Nutr. Biochem. 17, 103 (2006) Abstract
Pro-apoptotic effect and cytotoxicity of genistein and genistin in human ovarian cancer SK-OV-3 cells: E.J. Choi, et al.; Life Sci. 80, 1403 (2007) Abstract
 
 
ALX-350-240 Revised 05-Dec-07
Ilimaquinone
Add to Clipboard
SYNONYMS 3-[(Decahydro-1β,2β,4αβ-trimethyl-5-methylene-1-naphthyl)methyl]-2-hydroxy-5-methoxybenzoquinone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-240-C100   100 µg 140.00 USD Add To Cart
Product Specification
FORMULA: C22H30O4
MW: 358.5
CAS NUMBER: 71678-03-0
PURITY: ≥98%
APPEARANCE: Yellow powder.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Displays antimicrobial, anti-HIV and anti-inflammatory properties. Induces reversible breakdown of Golgi membranes. Inhibits the association of β-COP and ADP-ribosylation factor to Golgi membranes. Interacts with methylation enzymes. Shows anticancer activity.
Product Specific Literature References
R.T. Luibrand, et al.; Tetrahedron 35, 609 (1979)
Complete vesiculation of Golgi membranes and inhibition of protein transport by a novel sea sponge metabolite, ilimaquinone: P.A. Takizawa, et al.; Cell 73, 1079 (1993) Abstract
Interactions of (-)-ilimaquinone with methylation enzymes: implications for vesicular-mediated secretion: H.S. Radeke, et al.; Chem. Biol. 6, 639 (1999) Abstract
Ilimaquinone inhibits gap-junctional communication prior to Golgi fragmentation and block in protein transport: V. Cruciani, et al.; Exp. Cell Res. 287, 130 (2003) Abstract
Natural products with anti-HIV activity from marine organisms: L.A. Tziveleka, et al.; Curr. Top. Med. Chem. 3, 1512 (2003), Review Abstract
Interaction of the smooth endoplasmic reticulum and mitochondria: J.G. Goetz & I.R. Nabi; Biochem. Soc. Trans. 34, 370 (2006), Review Abstract
Ilimaquinone, a marine sponge metabolite, displays anticancer activity via GADD153-mediated pathway: P.H. Lu, et al.; Eur. J. Pharmacol. 556, 45 (2007) Abstract
 
 
ALX-385-025 Revised 07-Apr-08
8-Isopentenylnaringenin
Add to Clipboard
SYNONYMS 8-Prenylnaringenin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavanones
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-385-025-M005   5 mg 155.00 USD Add To Cart
Product Specification
FORMULA: C20H20O5
MW: 340.4
SOURCE/HOST: Isolated from hops (Humulus lupulus L.).
PURITY: ≥97% (HPLC)
APPEARANCE: Light yellow powder
SOLUBILITY: Soluble in methanol or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Prenyl flavonoid. Phytoestrogen. Selective, non-steroidal estrogen receptor α (ERα) ligand. Potent inhibitor of angiogenesis in vitro and in vivo. Chemopreventive agent against cancer induced by heterocyclic amines.
Product Specific Literature References
Prenylflavonoids: a new class of non-steroidal phytoestrogen (Part 1). Isolation of 8-isopentenylnaringenin and an initial study on its structure-activity relationship: M. Kitaoka, et al.; Planta Med. 64, 511 (1998) Abstract
Prenylflavonoids: a new class of non-steroidal phytoestrogen (Part 2). Estrogenic effects of 8-isopentenylnaringenin on bone metabolism: M. Miyamoto, et al.; Planta Med. 64, 516 (1998) Abstract
Identification of a potent phytoestrogen in hops (Humulus lupulus L.) and beer: S.R. Milligan, et al.; J. Clin. Endocrinol. Metab. 84, 2249 (1999) Abstract
Prenylflavonoids from hops inhibit the metabolic activation of the carcinogenic heterocyclic amine 2-amino-3-methylimidazo[4, 5-f]quinoline, mediated by cDNA-expressed human CYP1A2: C.L. Miranda, et al.; Drug Metab. Dispos. 28, 1297 (2000) Abstract; Full Text
The endocrine activities of 8-prenylnaringenin and related hop (Humulus lupulus L.) flavonoids: S.R. Milligan, et al.; J. Clin. Endocrinol. Metab. 85, 4912 (2000) Abstract; Full Text
8-prenylnaringenin, a novel phytoestrogen, inhibits angiogenesis in vitro and in vivo: M.S. Pepper, et al.; J. Cell Physiol. 199, 98 (2004) Abstract
Xanthohumol and related prenylflavonoids from hops and beer: to your good health!: J.F. Stevens & J.E. Page; Phytochemistry 65, 1317 (2004), (Review) Abstract
Rapid yeast estrogen bioassays stably expressing human estrogen receptors alpha and beta, and green fluorescent protein: a comparison of different compounds with both receptor types: T.F. Bovee, et al.; J. Steroid Biochem. Mol. Biol. 91, 99 (2004) Abstract
8-Prenylnaringenin, inhibits estrogen receptor-alpha mediated cell growth and induces apoptosis in MCF-7 breast cancer cells: E. Brunelli, et al.; J. Steroid Biochem. Mol. Biol. 107, 140 (2007) Abstract
 
 
ALX-385-005 Revised 21-May-08
Kaempferol
Add to Clipboard
SYNONYMS 3,4',5,7-Tetrahydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonols
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-385-005-M010   10 mg 40.00 USD Add To Cart
ALX-385-005-M050   50 mg 120.00 USD Add To Cart
Product Specification
FORMULA: C15H10O6
MW: 286.2
CAS NUMBER: 520-18-3
MERCK INDEX: 14: 5274
RTECS: LK9275200
PURITY: ≥90%
APPEARANCE: Yellow powder.
SOLUBILITY: Soluble in ether or 100% ethanol (hot); slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: IRRITANT. MAY BE MUTAGENIC.

Product Description
Antioxidant flavonoid. Apoptosis inducer. Reversible inhibitor of fatty acid synthase (FAS).
Product Specific Literature References
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Presence of fatty acid synthase inhibitors in the rhizome of Alpinia officinarum hance: B.H. Li & W.X. Tian; J. Enzyme Inhib. Med. Chem. 18, 349 (2003) Abstract
Pharmacological inhibitors of Fatty Acid Synthase (FASN)--catalyzed endogenous fatty acid biogenesis: a new family of anti-cancer agents?: R. Lupu & J. A. Menendez; Curr. Pharm. Biotechnol. 7, 483 (2006), (Review) Abstract
 
 
ALX-350-223 Revised 07-Apr-08
Kahweol
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Chemopreventive Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-223-M010   10 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C20H26O3
MW: 314.2
CAS NUMBER: 6894-43-5
SOURCE/HOST: Natural product isolated from the unsaponifiable fraction of petroleum ether extract of coffee beans.
PURITY: ≥98% (HPLC)
APPEARANCE: Off-white to yellow solid.
SOLUBILITY: Soluble in ethyl acetate, acetone or DMSO; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Induces glutathione S-transferase. Has anti-cancer, chemoprotective, anti-inflammatory and anti-atherosclerotic properties.
Product Specific Literature References
R.O. Bengis & R.J. Anderson; J. Biol. Chem. 47, 99 (1932)
Isolation and identification of kahweol palmitate and cafestol palmitate as active constituents of green coffee beans that enhance glutathione S-transferase activity in the mouse: L.K. Lam, et al.; Cancer Res. 42, 1193 (1982) Abstract
Effects of derivatives of kahweol and cafestol on the activity of glutathione S-transferase in mice: L.K. Lam, et al.; J. Med. Chem. 30, 1399 (1987) Abstract
Placental glutathione S-transferase (GST-P) induction as a potential mechanism for the anti-carcinogenic effect of the coffee-specific components cafestol and kahweol: B. Schilter, et al.; Carcinogenesis 17, 2377 (1996) Abstract
Chemoprotection against the formation of colon DNA adducts from the food-borne carcinogen 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) in the rat: W.W. Huber, et al.; Mutat. Res. 376, 115 (1997) Abstract
The coffee-specific diterpenes cafestol and kahweol protect against aflatoxin B1-induced genotoxicity through a dual mechanism: C. Cavin, et al.; Carcinogenesis 19, 1369 (1998) Abstract
Cafestol and kahweol, two coffee specific diterpenes with anticarcinogenic activity: C. Cavin, et al.; Food Chem. Toxicol. 40, 1155 (2002) Abstract
The coffee diterpene kahweol inhibits tumor necrosis factor-alpha-induced expression of cell adhesion molecules in human endothelial cells: H.G. Kim, et al.; Toxicol. Appl. Pharmacol. 217, 332 (2006) Abstract
 
 
ALX-350-225 Revised 29-Sep-08
Limonin
Add to Clipboard
SYNONYMS Limonoic acid di-δ-lactone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Chemopreventive Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-225-M050   50 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C26H30O8
MW: 470.5
CAS NUMBER: 1180-71-8
MERCK INDEX: 14: 5494
SOURCE/HOST: Isolated from grapefruit seed.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in 100% ethanol or glacial acetic acid; slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C

Product Description
Bitter principle of citrus fruits. Inhibits chemically induced carcinogenesis. Inhibits HIV-1 replication. Shows antinociceptive effect. Does not possess any inherent antioxidant activity.
Product Specific Literature References
V.P. Maier, et al.; ACS Symposium Series 143, 63 (1980)
J.A. Klocke & I. Kubo; Ent. Exp. & Appl. 32, 299 (1982)
R.L. Rouseff; J. Agric. Food Chem. 30, 504 (1982)
M.A. Altieri, et al.; Protect. Ecol. 6, 91 (1984)
The effect of citrus limonoids on hamster buccal pouch carcinogenesis: E.G. Miller, et al.; Carcinogenesis 10, 1535 (1989) Abstract
L.K.T. Lam, et al.; ACS Symposium Series 546, 209 (1994)
Antinociceptive and anti-inflammatory activities of limonin isolated from the fruits of Evodia rutaecarpa var. bodinieri: H. Matsuda, et al.; Planta Med. 64, 339 (1998) Abstract
Citrus limonoids obacunone and limonin inhibit azoxymethane-induced colon carcinogenesis in rats: T. Tanaka, et al.; Biofactors 13, 213 (2000) Abstract
Effect of limonin and nomilin on HIV-1 replication on infected human mononuclear cells: L. Battinelli, et al.; Planta Med. 69, 910 (2003) Abstract
Evaluation of the antioxidant capacity of limonin, nomilin, and limonin glucoside: A.P. Breksa, 3rd & G.D. Manners; J. Agric. Food Chem. 54, 3827 (2006) Abstract
 
 
ALX-350-355 Revised 26-Mar-08
Lupeol
Add to Clipboard
SYNONYMS Fagarasterol
20(29)-Lupen-3β-ol
3β-Hydroxy-20(29)-lupene