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C9623

Sigma-Aldrich

Chetomin

from Chaetomium cochliodes, ≥98% (HPLC)

Synonym(e):

Chaetomin, NSC 289491

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About This Item

Empirische Formel (Hill-System):
C31H30N6O6S4
CAS-Nummer:
1403-36-7
Molekulargewicht:
710.87
UNSPSC-Code:
41100000
NACRES:
NA.77

Biologische Quelle

Chaetomium cochliodes

Qualitätsniveau

200

Assay

≥98% (HPLC)

Form

powder

Löslichkeit

DMSO: soluble
acetone: soluble
ethyl acetate: soluble

Lagertemp.

−20°C

InChI

1S/C31H30N6O6S4/c1-33-25(42)30(15-38)34(2)23(40)28(33,44-46-30)12-17-13-36(21-11-7-4-8-18(17)21)27-14-29-24(41)35(3)31(16-39,47-45-29)26(43)37(29)22(27)32-20-10-6-5-9-19(20)27/h4-11,13,22,32,38-39H,12,14-16H2,1-3H3

InChIKey

ZRZWBWPDBOVIGQ-UHFFFAOYSA-N

Biochem./physiol. Wirkung

Chetomin is a natural metabolite produced by several species of the genus Chaetomium. Chetomin disrupts the hypoxia-inducible factor (HIF) pathway, blockomg the interaction of HIF1α and HIF2α with transcriptional co-activators p300 and cAMP response element binding (CREB) binding protein (CBP), thereby attenuating hypoxia-inducible transcription. Disrupting the ability of tumors to adapt to hypoxia leads to decreased tumor growth; hypoxia can also promote resistance to radiotherapeutics. By both of these mechanisms, chetomin shows promise as a lead compound in antitumor research. Chetomin also suppresses the proliferation of LPS-induced mouse spleen lymphocytes.
Chetomin is a natural metabolite produced by several species of the genus Chaetomium. Chetomin is an epidithiodioxopiperazine known to disrupt the hypoxia-inducible factor (HIF) pathway. Chetomin blocks the interaction of HIF1α and HIF2α with transcriptional co-activators p300 and cAMP response element binding (CREB) binding protein (CBP), thereby attenuating hypoxia-inducible transcription. Disrupting the ability of tumors to adapt to hypoxia leads to decreased tumor growth and can serve as an antitumor stratagy. Chetomin also suppresses the proliferation of LPS-induced mouse spleen lymphocytes.

Piktogramme

Skull and crossbones
GHS06

Signalwort

Danger

H-Sätze

H301

P-Sätze

P301 + P310

Gefahreneinstufungen

Acute Tox. 3 Oral

Lagerklassenschlüssel

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

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Manuela Indelicato et al.
Journal of cellular physiology, 223(2), 359-368 (2010-01-30)
Survival strategies adopted by tumor cells in response to a hypoxic stress include activation of hypoxia-inducible factor 1 (HIF-1) and autophagy. However, the importance and the function of each molecular response is not well defined. In the present study, we
Rolf Spirig et al.
Molecular immunology, 46(15), 3178-3182 (2009-06-30)
Endothelin-1 (ET-1) is mainly secreted by endothelial cells and acts as a potent vasoconstrictor. In addition ET-1 has also been shown to have pleiotropic effects on a variety of other systems including adaptive immunity. There are two main ET-1 receptors
Kimihiro Yano et al.
International journal of oncology, 38(2), 365-374 (2010-12-18)
Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) is one of the most promising anti-cancer agents, but some tumor types develop resistance to TRAIL. Here, we report that chetomin, an inhibitor of hypoxia-inducible factors, is a potent enhancer of TRAIL-induced apoptosis. TRAIL
S Sekita et al.
Canadian journal of microbiology, 27(8), 766-772 (1981-08-01)
Screening for mycotoxin production by Chaetomium spp. and related fungi on rice culture was conducted by a combination of cytotoxicity tests using HeLa cells and thin-layer chromatography. Producers of sterigmatocystin, O-methylsterigmatocystin, chaetochromin, chaetocin, chetomin, cochliodinols, and mollicellin G were found
Laura K Henchey et al.
Journal of the American Chemical Society, 132(3), 941-943 (2010-01-01)
Designed ligands that inhibit hypoxia-inducible gene expression could offer new tools for genomic research and, potentially, drug discovery efforts for the treatment of neovascularization in cancers. We report a stabilized alpha-helix designed to target the binding interface between the C-terminal
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