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Cell Cycle
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ALX-350-273 Revised 03-Apr-08
3-ATA
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SYNONYMS 3-Amino-9-thio(10H)-acridone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Cell Cycle Research
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ALX-350-273-M001   1 mg 60.00 USD Add To Cart
ALX-350-273-M005   5 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C13H10N2S
MW: 226.3
CAS NUMBER: 12982-10-85
PURITY: ≥95%
APPEARANCE: White solid powder.
SOLUBILITY: Soluble in DMSO or dimethyl formamide.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C

Product Description
Specific CDK4 inhibitor (IC50=3.1µM) inducing growth inhibition of p16-altered tumors.
Product Specific Literature References
The p16 status of tumor cell lines identifies small molecule inhibitors specific for cyclin-dependent kinase 4: A. Kubo, et al.; Clin. Cancer Res. 5, 4279 (1999) Abstract
3-Amino thioacridone, a selective cyclin-dependent kinase 4 inhibitor, attenuates kainic acid-induced apoptosis in neurons: E. Verdaguer, et al.; Neuroscience 120, 599 (2003) Abstract
Further Categories Containing This Product:
CDK & Cyclin Inhibitors
 
 
ALX-350-289 Revised 18-Nov-08
10Z-Hymenialdisine
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SYNONYMS 4-(2-Amino-4-oxo-2-imidazolin-5-ylidene)-2-bromo-4,5,6,7-tetrahydropyrrolo[2,3-c]azepin-8-one
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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ALX-350-289-C500   500 µg 190.00 USD Add To Cart
ALX-350-289-M001   1 mg 340.00 USD Add To Cart
Product Specification
FORMULA: C11H10BrN5O2
MW: 324.1
CAS NUMBER: 82005-12-7
SOURCE/HOST: Isolated from sponge Axinella carteri.
PURITY: ≥97% (HPLC)
APPEARANCE: Yellow needles.
SOLUBILITY: Soluble in DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.
IDENTITY: Identity determined by 1H- NMR and MS.

Product Description
Originally isolated from the sponges Axinella verrucosa and Acantella aurantiaca. Potent inhibitor of mitogen-activated protein kinase kinase-1 (MEK-1) (IC50=6nM). Blocks the in vivo phosphorylation of the microtubule-binding protein tau at sites that are hyperphosphorylated by glycogen synthase kinase-β (GSK-3β) and CDK5/p35 in Alzheimer’s disease. Inhibitor of DNA damage checkpoint at G2 phase (IC50=6µM), cyclin-dependent kinases CDK1/cyclin B (IC50=22nM), CDK2/cyclin A (IC50=70nM), CDK2/cyclin E (IC50=40nM), CDK4/cyclin D1 (IC50=600nM), CDK5/p25 (IC50=28nM), GSK-3β (IC50=10nM), and casein kinase 1 (CK1) (IC50=35nM). Inhibitor of NF-κB activation and of various pro-inflammatory cytokines such as IL-1, IL-2 (IC50=2.4µM), IL-6, IL-8, TNF-α (IC50=1.4µM) and nitric oxide (NO) (IC50=0.8µM) in a variety of cell lines.
Product Specific Literature References
Isolation and x-ray crystal structure of a novel bromo-compound from two marine sponges: G. Cimino, et al.; Tetrahedron Lett. 23, 767 (1982)
Bioactive alkaloids from the tropical marine sponge Axinella carteri: A. Supriyono, et al.; Z. Naturforsch. [C] 50, 669 (1995) Abstract
The natural product hymenialdisine inhibits interleukin-8 production in U937 cells by inhibition of nuclear factor-kappaB: J.J. Breton & M.C. Chabot-Fletcher; J. Pharmacol. Exp. Ther. 282, 459 (1997) Abstract; Full Text
Inhibition of NFkappaB-mediated interleukin-1beta-stimulated prostaglandin E2 formation by the marine natural product hymenialdisine: A. Roshak, et al.; J. Pharmacol. Exp. Ther. 283, 955 (1997) Abstract; Full Text
Inhibition of interleukin-1-induced proteoglycan degradation and nitric oxide production in bovine articular cartilage/chondrocyte cultures by the natural product, hymenialdisine: A.M. Badger, et al.; J. Pharmacol. Exp. Ther. 290, 587 (1999) Abstract; Full Text
Inhibition of cyclin-dependent kinases, GSK-3beta and CK1 by hymenialdisine, a marine sponge constituent: L. Meijer, et al.; Chem. Biol. 7, 51 (2000) Abstract
Inhibition of the G2 DNA damage checkpoint and of protein kinases Chk1 and Chk2 by the marine sponge alkaloid debromohymenialdisine: D. Curman, et al.; J. Biol. Chem. 276, 17914 (2001) Abstract; Full Text
An investigation of cell proliferation and soluble mediators induced by interleukin 1beta in human synovial fibroblasts: comparative response in osteoarthritis and rheumatoid arthritis: H. Inoue, et al.; Inflamm. Res. 50, 65 (2001) Abstract
Aldisine alkaloids from the Philippine sponge Stylissa massa are potent inhibitors of mitogen-activated protein kinase kinase-1 (MEK-1): D. Tasdemir, et al.; J. Med. Chem. 45, 529 (2002) Abstract
Inhibition of cytokine production by hymenialdisine derivatives: V. Sharma, et al.; J. Med. Chem. 47, 3700 (2004) Abstract
 
 
ALX-350-291 Revised 19-Oct-07
Hymenidin
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SYNONYMS 2-Debromooroidin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Cell Cycle Research
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ALX-350-291-M001   1 mg 230.00 USD Add To Cart
Product Specification
FORMULA: C11H12BrN5O
MW: 310.2
CAS NUMBER: 107019-95-4
SOURCE/HOST: Isolated from Hymeniacidon sp.
PURITY: ≥95%
APPEARANCE: Amorphous solid.
SOLUBILITY: Soluble in DMSO or 100 % ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC. CYTOTOXIC.

Product Description
Antagonist of serotonergic receptors. Inhibitor of CDK5/p25 (IC50=4µM) and GSK-3β (IC50=12µM). 
Product Specific Literature References
A novel antagonist of serotonergic receptors, hymenidin, isolated from the Okinawan marine sponge Hymeniacidon sp: J. Kobayashi, et al.; Experientia 42, 1176 (1986) Abstract
Inhibition of cyclin-dependent kinases, GSK-3beta and CK1 by hymenialdisine, a marine sponge constituent: L. Meijer, et al.; Chem. Biol. 7, 51 (2000)
Brominated pyrrole alkaloids from marine Agelas sponges reduce depolarization-induced cellular calcium elevation: U. Bickmeyer, et al.; Toxicon. 44, 45 (2004) Abstract
Marine compounds for the therapeutic treatment of neurological disorders: D. Alonso, et al.; Expert Opininon on Therapeutic Patents 15, 1377 (2005)
 
 
ALX-350-293 Revised 19-Oct-07
(S)-Roscovitine
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SYNONYMS 6-Benzylamino-2-(S)-[(1-Ethyl)-2-hydroxyethylamino]-9-isopropylpurine
PRODUCT LINE Cell Cycle
PRODUCT CATEGORY CDK & Cyclin Inhibitors
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ALX-350-293-M001   1 mg 40.00 USD Add To Cart
Product Specification
FORMULA: C19H26N6O
MW: 354.5
CAS NUMBER: 186692-46-6
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, dimethyl formamide, 100% ethanol or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
(S)-Enantiomer of the CDK inhibitor roscovitine (Prod. No. ALX-350-251). Potent inhibitor of CDK1/cyclin B kinase (IC50=950nM) [1].
Product Specific Literature References
[1] Inhibition of cyclin-dependent kinases by purine analogues: crystal structure of human cdk2 complexed with roscovitine: W.F. De Azevedo, et al.; Eur. J. Biochem. 243, 518 (1997) Abstract
[2] Cytokinin-derived cyclin-dependent kinase inhibitors: synthesis and cdc2 inhibitory activity of olomoucine and related compounds: L. Havlicek, et al.; J. Med. Chem. 40, 408 (1997) Abstract
[3] The cyclin-dependent kinase inhibitors olomoucine and roscovitine arrest human fibroblasts in G1 phase by specific inhibition of CDK2 kinase activity: F. Alessi, et al.; Exp. Cell Res. 245, 8 (1998) Abstract
Maintenance of meiotic arrest in bovine oocytes using the S-enantiomer of roscovitine: effects on maturation, fertilization and subsequent embryo development in vitro: P. Coy, et al.; Reproduction 129, 19 (2005) Abstract
In vitro maturation and fertilization of porcine oocytes after a 48 h culture in roscovitine, an inhibitor of p34cdc2/cyclin B kinase: R. Romar & H. Funahashi; Anim. Reprod. Sci. 92, 321 (2006) Abstract
 
 
ALX-350-298 Revised 03-Apr-08
Betulinic acid (~95%)
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SYNONYMS 3β-Hydroxy-20(29)-lupaene-28-oic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
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ALX-350-298-M100   100 mg 55.00 USD Add To Cart
ALX-350-298-M500   500 mg 180.00 USD Add To Cart
ALX-350-298-G001   1 g 290.00 USD Add To Cart
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Product Specification
FORMULA: C30H48O3
MW: 456.7
CAS NUMBER: 472-15-1
SOURCE/HOST: Isolated from Platanus acerifolia (plane tree) bark.
PURITY: ≥95% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Antitumor and anti-HIV agent. Induces apoptosis by activating mitochondrial permeability transition (MPT). Inhibits NF-κB activation and NF-κB-regulated gene expression induced by carcinogens and inflammatory stimuli. Decreases expression of Bcl-2 and cyclin D1. Potent proteasome activator.
Product Specific Literature References
Anti-AIDS agents, 11. Betulinic acid and platanic acid as anti-HIV principles from Syzigium claviflorum, and the anti-HIV activity of structurally related triterpenoids: T. Fujioka, et al.; J. Nat. Prod. 57, 243 (1994) Abstract
Discovery of betulinic acid as a selective inhibitor of human melanoma that functions by induction of apoptosis: E. Pisha, et al.; Nat. Med. 1, 1046 (1995) Abstract
Betulinic acid and dihydrobetulinic acid derivatives as potent anti-HIV agents: Y. Kashiwada, et al.; J. Med. Chem. 39, 1016 (1996) Abstract
Betulinic acid triggers CD95 (APO-1/Fas)- and p53-independent apoptosis via activation of caspases in neuroectodermal tumors: S. Fulda, et al.; Cancer Res. 57, 4956 (1997) Abstract
Anti-AIDS agents--XXVII. Synthesis and anti-HIV activity of betulinic acid and dihydrobetulinic acid derivatives: F. Hashimoto, et al.; Bioorg. Med. Chem. 5, 2133 (1997) Abstract
Betulinic acid induces apoptosis in human neuroblastoma cell lines: M.L. Schmidt, et al.; Eur. J. Cancer 33, 2007 (1997) Abstract
Induction of p53 without increase in p21WAF1 in betulinic acid-mediated cell death is preferential for human metastatic melanoma: M. Rieber & M. Strasberg Rieber; DNA Cell Biol. 17, 399 (1998) Abstract
Activation of mitochondria and release of mitochondrial apoptogenic factors by betulinic acid: S. Fulda, et al.; J. Biol. Chem. 273, 33942 (1998) Abstract; Full Text
Betulinic acid inhibits aminopeptidase N activity: M.F. Melzig & H. Bormann; Planta Med. 64, 655 (1998) Abstract
Correspondence re: S. Fulda et al., Betulinic acid triggers CD95 (Apo1/Fas)- and p53-independent apoptosis via activation of caspases in neuroectodermal tumors. Cancer Res., 57: 4956, 1997: M. Rieber & M. Strasberg Rieber; Cancer. Res. 58, 5876 (1998) Abstract
Betulinic acid: a new cytotoxic agent against malignant brain-tumor cells: S. Fulda, et al.; Int. J. Cancer 82, 435 (1999) Abstract
Betulinic acid-induced apoptosis in glioma cells: A sequential requirement for new protein synthesis, formation of reactive oxygen species, and caspase processing: W. Wick, et al.; J Pharmacol. Exp. Ther. 289, 1306 (1999) Abstract; Full Text
Effects of betulinic acid alone and in combination with irradiation in human melanoma cells: E. Selzer, et al.; J. Invest. Dermatol. 114, 935 (2000) Abstract
Betulinic acid suppresses carcinogen-induced NF-kappa B activation through inhibition of I kappa B alpha kinase and p65 phosphorylation: abrogation of cyclooxygenase-2 and matrix metalloprotease-9: Y. Takada & B.B. Aggarwal; J. Immunol. 171, 3278 (2003) Abstract
Chemistry, biological activity, and chemotherapeutic potential of betulinic acid for the prevention and treatment of cancer and HIV infection: R.H. Cichewicz & S.A. Kouzi; Med. Res. Rev. 24, 90 (2004), Review Abstract
Betulinic acid-induced apoptosis in leukemia cells: H. Ehrhardt, et al.; Leukemia 18, 1406 (2004) Abstract
Betulinic acid and its derivatives: a review on their biological properties: P. Yogeeswari & D. Sriram; Curr. Med. Chem. 12, 657 (2005), Review Abstract
Betulinic acid decreases expression of bcl-2 and cyclin D1, inhibits proliferation, migration and induces apoptosis in cancer cells: W. Rzeski, et al.; Naunyn Schmiedebergs Arch. Pharmacol. 374, 11 (2006) Abstract
Activation and inhibition of the proteasome by betulinic acid and its derivatives: L. Huang, et al.; FEBS Lett. 581, 4955 (2007) Abstract
 
 
ALX-350-375 Revised 22-Jul-08 New product
Arcyriaflavin A
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PRODUCT LINE Cell Cycle
PRODUCT CATEGORY CDK & Cyclin Inhibitors
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ALX-350-375-M001   1 mg 160.00 USD Add To Cart
Product Specification
FORMULA: C20H11N3O2
MW: 325.3
CAS NUMBER: 118458-54-1
SOURCE/HOST: Synthetic. Originally isolated from the marine ascidian Eudistoma sp.
PURITY: ≥95% (HPLC)
APPEARANCE: Orange to red solid.
SOLUBILITY: Soluble in DMSO (50mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stock solutions are stable for up to 3 months at -20°C.
HANDLING: After reconstitution, prepare aliquots and store at -20°C. Protect from light. Packaged under inert gas.

Product Description
Potent inhibitor of CDK4 / cyclin D1 (IC50 = 59nM). Inhibits human cytomegalovirus (HCMV) replication in cell culture (IC50 = 200nM).
Product Specific Literature References
Staurosporine aglycone (K252-c) and arcyriaflavin A from the marine ascidian, Eudistoma sp: P.A. Horton, et al.; Experientia 50, 843 (1994) Abstract
Indolocarbazoles: potent, selective inhibitors of human cytomegalovirus replication: M.J. Slater, et al.; Bioorg. Med. Chem. 7, 1067 (1999) Abstract
Aryl[a]pyrrolo[3,4-c]carbazoles as selective cyclin D1-CDK4 inhibitors: C. Sanchez-Martinez, et al.; Bioorg. Med. Chem. Lett. 13, 3835 (2003) Abstract
Synthesis of quinolinyl/isoquinolinyl[a]pyrrolo [3,4-c] carbazoles as cyclin D1/CDK4 inhibitors: G. Zhu, et al.; Bioorg. Med. Chem. Lett. 13, 1231 (2003) Abstract
Two indolocarbazole alkaloids with apoptosis activity from a marine-derived actinomycete Z(2)039-2: R. Liu, et al.; Arch. Pharm. Res. 30, 270 (2007) Abstract
 
 
ALX-380-014 Revised 15-May-08
Staurosporine
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SYNONYMS Antibiotic AM-2282
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Apoptosis Inducers & Inhibitors
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ALX-380-014-C100   100 µg 47.00 USD Add To Cart
ALX-380-014-C250   250 µg 112.00 USD Add To Cart
ALX-380-014-M001   1 mg 270.00 USD Add To Cart
ALX-380-014-M005   5 mg 790.00 USD Add To Cart
Product Specification
FORMULA: C28H26N4O3
MW: 466.5
CAS NUMBER: 62996-74-1
MERCK INDEX: 14: 8802
RTECS: KC655000
SOURCE/HOST: Isolated from Streptomyces staurosporeus.
PURITY: ≥98%
APPEARANCE: Off-white to green powder.
SOLUBILITY: Soluble in ethyl acetate, DMSO or dimethyl formamide; only slightly soluble in chloroform and methanol. Insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Stable for at least 2 years after receipt when stored +4°C.
HANDLING: Protect from light and moisture.
HAZARD: HARMFUL. MAY BE CARCINOGENIC.

Product Description
Model apoptosis inducer. Potent cell-permeable inhibitor of a variety of protein kinases, e.g. protein kinase C (PKC), CDK1/cyclin B (IC50~5nM), CDK2/cyclin A (IC50=7nM), CDK4/cyclin D (IC50=3-10µM), CDK5/p25 (IC50=4nM) and GSK-3β (IC50=15nM).
Product Specific Literature References
A new alkaloid AM-2282 of Streptomyces origin. Taxonomy, fermentation, isolation and preliminary characterization: S. Omura, et al.; J. Antibiot. (Tokyo) 30, 275 (1977) Abstract
A. Furusaki, et al.; J. C. S. Chem. Commun. 800 (1978)
Staurosporine, a potent inhibitor of phospholipid/Ca++dependent protein kinase: T. Tamaoki, et al.; BBRC 135, 397 (1986) Abstract
Staurosporine, a potent platelet aggregation inhibitor from a Streptomyces species: S. Oka, et al.; Agric. Biol. Chem. 50, 2723 (1986)
Staurosporine inhibits tyrosine-specific protein kinase activity of Rous sarcoma virus transforming protein p60: N. Nakano, et al.; J. Antibiot. (Tokyo) 40, 706 (1987) Abstract
Contrasting actions of staurosporine, a protein kinase C inhibitor, on human neutrophils and primary mouse epidermal cells: T. Sako, et al.; Cancer Res. 48, 4646 (1988) Abstract
Staurosporine, a protein kinase C inhibitor interferes with proliferation of arterial smooth muscle cells: H. Matsumoto & Y. Sasaki; Biochem. Biophys. Res. Commun. 158, 105 (1989) Abstract
Staurosporine, K-252 and UCN-01: potent but nonspecific inhibitors of protein kinases: U.T. Ruegg & G.M. Burgess; TIPS 10, 218 (1989), (Review) Abstract
Staurosporine: an effective inhibitor for Ca2+/calmodulin-dependent protein kinase II: N. Yanagihara, et al.; J. Neurochem. 56, 294 (1991) Abstract
Is staurosporine a specific inhibitor of protein kinase C in intact porcine coronary arteries?: M. Kageyama, et al.; J. Pharmacol. Exp. Ther. 259, 1019 (1991) Abstract
Induction of a common pathway of apoptosis by staurosporine: R. Bertrand, et al.; Exp. Cell Res. 211, 314 (1994) Abstract
First total synthesis of Staurosporine and ent-Staurosporine: J.T. Link et al.; J. Am. Chem. Soc. 117, 552 (1995)
Staurosporine induces programmed cell death in embryonic neurons and activation of the ceramide pathway: D.A. Wiesner & G. Dawson; J. Neurochem 66, 1418 (1996) Abstract
Staurosporine and ent-staurosporine: the first total synthesis, prospects for a regioselective approach, and activity profile: J.T. Link et al.; J. Am. Chem. Soc. 118, 2825 (1996)
K252a and staurosporine microbial alkaloid toxins as prototype of neurotropic drugs: P. Lazarovici, et al.; Adv. Exp. Med. Biol. 391, 367 (1996), Review Abstract
Characterization of the cell death process induced by staurosporine in human neuroblastoma cell lines: J. Boix, et al.; Neuropharmacology 36, 811 (1997) Abstract
Caspase-3-dependent cleavage of Bcl-2 promotes release of cytochrome c: D.G. Kirsch, et al.; J. Biol. Chem. 274, 21155 (1999) Abstract; Full Text
Molecular mechanism of staurosporine-induced apoptosis in osteoblasts: H.J. Chae, et al.; Pharmacol. Res. 42, 373 (2000) Abstract
Glycogen synthase kinase-3beta facilitates staurosporine- and heat shock-induced apoptosis. Protection by lithium: G.N. Bijur, et al.; J. Biol. Chem. 275, 7583 (2000) Abstract; Full Text
Dissociation of staurosporine-induced apoptosis from G2-M arrest in SW620 human colonic carcinoma cells: initiation of the apoptotic cascade is associated with elevation of the mitochondrial membrane potential (deltapsim): B.G. Heerdt, et al.; Cancer Res. 60, 6704 (2000) Abstract
Changes in mitochondrial membrane potential during staurosporine- induced apoptosis in Jurkat cells: J.L. Scarlett, et al.; FEBS Lett. 475, 267 (2000) Abstract
Equivalent death of P-glycoprotein expressing and nonexpressing cells induced by the protein kinase C inhibitor staurosporine: K.M. Tainton, et al.; BBRC 276, 231 (2000) Abstract
Caspase-8 activation and bid cleavage contribute to MCF7 cellular execution in a caspase-3-dependent manner during staurosporine-mediated apoptosis: D. Tang, et al.; J. Biol. Chem. 275, 9303 (2000) Abstract; Full Text
Insulin-stimulated protein kinase B phosphorylation on Ser-473 is independent of its activity and occurs through a staurosporine-insensitive kinase: M.M. Hill, et al.; J. Biol. Chem. 276, 25643 (2001) Abstract; Full Text
Single-cell fluorescence resonance energy transfer analysis demonstrates that caspase activation during apoptosis is a rapid process. Role of caspase-3: M. Rehm, et al.; J. Biol. Chem. 277, 24506 (2002) Abstract; Full Text
Related Products
 
 
ALX-380-027 Revised 09-May-08
K-252a
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PRODUCT LINE Signal Transduction
PRODUCT CATEGORY PKC Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-027-C100   100 µg 98.00 USD Add To Cart
ALX-380-027-C500   500 µg 290.00 USD Add To Cart
ALX-380-027-M001   1 mg 395.00 USD