C75 trans - CAS 191282-48-1
Catalog number: 191282-48-1
Category: Inhibitor
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Molecular Formula:
Molecular Weight:
trans-Tetrahydro-4-methylene-2-octyl-5-oxo-3-furancarboxylic Acid is a well-known fatty acid synthase (FAS) inhibitor. Studies show that trans-Tetrahydro-4-methylene-2-octyl-5-oxo-3-furancarboxylic Acid is a cell cycle arrest inducer in hepatocellular carcinoma (HCC) cell lines. It has also been shown to blocks resistin-induced increases in lipid accumulation by human macrophages.
C 75 trC-75 trans-racemic; trans-C75
Canonical SMILES:
1.Impact of an extruded nucleotide on cleavage activity and dynamic catalytic core conformation of the hepatitis delta virus ribozyme.
Sefcikova J1, Krasovska MV, Spacková N, Sponer J, Walter NG. Biopolymers. 2007 Apr 5-15;85(5-6):392-406.
The self-cleaving hepatitis delta virus (HDV) ribozyme is essential for the replication of HDV, a liver disease causing pathogen in humans. The catalytically critical nucleotide C75 of the ribozyme is buttressed by a trefoil turn pivoting around an extruded G76. In all available crystal structures, the conformation of G76 is restricted by stacking with G76 of a neighboring molecule. To test whether this crystal contact introduces a structural perturbation into the catalytic core, we have analyzed approximately 200 ns of molecular dynamics (MD) simulations. In the absence of crystal packing, the simulated G76 fluctuates between several conformations, including one wherein G76 establishes a perpendicular base quadruplet in the major groove of the adjacent P1 stem. Second-site mutagenesis experiments suggest that the identity of the nucleotide in position 76 (N76) indeed contributes to the catalytic activity of a trans-acting HDV ribozyme through its capacity for hydrogen bonding with P1.
2.Hypothalamic malonyl-CoA triggers mitochondrial biogenesis and oxidative gene expression in skeletal muscle: Role of PGC-1alpha.
Cha SH1, Rodgers JT, Puigserver P, Chohnan S, Lane MD. Proc Natl Acad Sci U S A. 2006 Oct 17;103(42):15410-5. Epub 2006 Oct 9.
Previous investigations show that intracerebroventricular administration of a potent inhibitor of fatty acid synthase, C75, increases the level of its substrate, malonyl-CoA, in the hypothalamus. The "malonyl-CoA signal" is rapidly transmitted to skeletal muscle by the sympathetic nervous system, increasing fatty acid oxidation, uncoupling protein-3 (UCP3) expression, and thus, energy expenditure. Here, we show that intracerebroventricular or intraperitoneal administration of C75 increases the number of mitochondria in white and red (soleus) skeletal muscle. Consistent with signal transmission from the hypothalamus by the sympathetic nervous system, centrally administered C75 rapidly (< or =2 h) up-regulated the expression (in skeletal muscle) of the beta-adrenergic signaling molecules, i.e., norepinephrine, beta3-adrenergic receptor, and cAMP; the transcriptional regulators peroxisomal proliferator activator regulator gamma coactivator 1alpha (PGC-1alpha) and estrogen receptor-related receptor alpha (ERRalpha); and the expression of key oxidative mitochondrial enzymes, including pyruvate dehydrogenase kinase, medium-chain length fatty acyl-CoA dehydrogenase, ubiquinone-cytochrome c reductase, cytochrome oxidase, as well as ATP synthase and UCP3.
3.Site-specific modification of functional groups in genomic hepatitis delta virus (HDV) ribozyme.
Nishikawa F1, Shirai M, Nishikawa S. Eur J Biochem. 2002 Dec;269(23):5792-803.
Human hepatitis delta (HDV) ribozyme is one of small ribozymes, such as hammerhead and hairpin ribozymes, etc. Its secondary structure shows pseudoknot structure composed of four stems (I to IV) and three single-stranded regions (SSrA, -B and -C). The 3D structure of 3'-cleaved product of genomic HDV ribozyme provided extensive information about tertiary hydrogen bonding interactions between nucleotide bases, phosphate oxygens and 2'OHs including new stem structure P1.1. To analyze the role of these hydrogen bond networks in the catalytic reaction, site-specific atomic-level modifications (such as deoxynucleotides, deoxyribosyl-2-aminopurine, deoxyribosylpurine, 7-deaza-ribonucleotide and inosine) were incorporated in the smallest trans-acting HDV ribozyme (47-mer). Kinetic analysis of these ribozyme variants demonstrated the importance of the two W-C base pairs of P1.1 for cleavage; in addition, the results suggest that all hydrogen bond interactions detected in the crystal structure involving 2'-OH and N7 atoms are present in the active ribozyme structure.
4.Fatty acid synthase expression is induced by the Epstein-Barr virus immediate-early protein BRLF1 and is required for lytic viral gene expression.
Li Y1, Webster-Cyriaque J, Tomlinson CC, Yohe M, Kenney S. J Virol. 2004 Apr;78(8):4197-206.
The Epstein-Barr virus (EBV) immediate-early (IE) protein BRLF1 (R) is a transcription factor that induces the lytic form of EBV infection. R activates certain early viral promoters through a direct binding mechanism but induces transcription of the other EBV IE gene, BZLF1 (Z), indirectly through cellular factors binding to a CRE motif in the Z promoter (Zp). Here we demonstrate that R activates expression of the fatty acid synthase (FAS) cellular gene through a p38 stress mitogen-activated protein kinase-dependent mechanism. B-cell receptor engagement of Akata cells also increases FAS expression. The FAS gene product is required for de novo synthesis of the palmitate fatty acid, and high-level FAS expression is normally limited to liver, brain, lung, and adipose tissue. We show that human epithelial tongue cells lytically infected with EBV (from oral hairy leukoplakia lesions) express much more FAS than uninfected cells. Two specific FAS inhibitors, cerulenin and C75, prevent R activation of IE (Z) and early (BMRF1) lytic EBV proteins in Jijoye cells.
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CAS 191282-48-1 C75 trans

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