67-99-2
Chemical Structure
Gliotoxin
Synonym(s): Aspergillin
- CAS No.: 67-99-2
- Formula:C13H14N2O4S2
- Molecular Weight:326.39
IUPAC Name: (3R,5aS,6S,10aR)-6-hydroxy-3-(hydroxymethyl)-2-methyl-2,3,5a,6-tetrahydro-10H-3,10a-epidithiopyrazino[1,2-a]indole-1,4-dione
InChIKey: FIVPIPIDMRVLAY-RBJBARPLSA-N
SMILES: O=C1N([C@]2(C(N3[C@]1(CC4=CC=C[C@@H]([C@@]34[H])O)SS2)=O)CO)C
Biological Activity: Gliotoxin is a secondary metabolite, the most abundant mycotoxin secreted by A. fumigatus, inhibits the phagocytosis of macrophages and the immune functions of other immune cells [1]. Gliotoxin inhibits inducible NF-κB activity by preventing IκB degradation, which consequently induces host-cell apoptosis[2]. Gliotoxin activates PKA and increases intracellular cAMP concentration; modulates actin cytoskeleton rearrangement to facilitate A. fumigatus internalization into lung epithelial cells[3]. Gliotoxin is a potent NOTCH2 transactivation inhibitor, can effectively induce apoptosis of chronic lymphocytic leukemia (CLL) cells[4].
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Gliotoxin | 99.50% | Gliotoxin is a secondary metabolite, the most abundant mycotoxin secreted by A. fumigatus, inhibits the phagocytosis of macrophages and the immune functions of other immune cells . Gliotoxin inhibits inducible NF-κB activity by preventing IκB degradation, which consequently induces host-cell apoptosis. Gliotoxin activates PKA and increases intracellular cAMP concentration; modulates actin cytoskeleton rearrangement to facilitate A. fumigatus internalization into lung epithelial cells. Gliotoxin is a potent NOTCH2 transactivation inhibitor, can effectively induce apoptosis of chronic lymphocytic leukemia (CLL) cells. | ||||||||||||||||||||
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- [1]. Schlam D, et al. Gliotoxin Suppresses Macrophage Immune Function by Subverting Phosphatidylinositol 3,4,5-Trisphosphate Homeostasis. MBio. 2016 Apr 5;7(2):e02242. [Content Brief]
- [2]. Coméra C, et al. Gliotoxin from Aspergillus fumigatus affects phagocytosis and the organization of the actin cytoskeleton by distinct signalling pathways in human neutrophils. Microbes Infect. 2007 Jan;9(1):47-54. Epub 2006 Dec 12. [Content Brief]
- [3]. Zhang C, et al. Gliotoxin Induces Cofilin Phosphorylation to Promote Actin Cytoskeleton Dynamics and Internalization of Aspergillus fumigatus Into Type II Human Pneumocyte Cells. Front Microbiol. 2019 Jun 18;10:1345. [Content Brief]
- [4]. Hubmann R, et al. Gliotoxin is a potent NOTCH2 transactivation inhibitor and efficiently induces apoptosis in chronic lymphocytic leukaemia (CLL) cells. Br J Haematol. 2013 Mar;160(5):618-29. [Content Brief]
Keywords
