Application of the potent tumor-promoting agent 12-Otetradecanoylphorbol-13-acetate (TPA) to mouse skin leads to a rapid and transient induction of epidermal ornithine decarboxylase (EC 4.1.1.17) activity. Several lines of evidence, including the finding that /3-retinoic acid inhibits both phorbol ester-induced ornithine decarboxyl ase activity and the formation of skin papillomas, suggest that...

AIM Information regarding the effects of omega-3 fatty acid on hypertriglyceridemic patients in Chinese is still limited. This study aimed to investigate the efficacy and safety of Omacor®, a prescription ethyl-ester omega-3 fatty acid for the treatment of hypertriglyceridemia, administered at doses of 2 g/day and 4 g/day to Taiwanese hypertriglyceridemic patients. METHODS A multicenter, rand...

BACKGROUND Medium chain length (C6-C12) α,ω-dicarboxylic acids (DCAs) and corresponding esters are important building blocks for the polymer industry. For DCAs of 12 carbon atoms and longer, a sustainable process based on monooxygenase catalyzed ω-oxidation of fatty-acids has been realized. For medium-chain DCAs with a shorter chain length however, such a process has not been developed yet, sin...

Mechanisms responsible for alcohol-induced heart muscle disease have been difficult to elucidate partly because of previously obscure, demonstrable cardiac metabolism of ethanol. Recently, fatty acid ethyl esters were identified in our laboratory and found to be myocardial metabolites of ethanol. In the present study, they have been shown to induce mitochondrial dysfunction. Incubation of isola...

The reaction of ethyl benzoylacetate with formaldehyde and natural amino acid ester hydrochlorides in acetate buffer (AcONa/AcOH, pH 4.0) at room temperature afforded 41–61% new 5-benzoylhexahydropyrimidine derivatives. synthesized compounds were evaluated for their vitro cytotoxic activity against normal (HEK293) tumor cell lines (Jurkat, HepG2). T-Lymphoblastic leukemia Jurkat cells turned ou...

Skin is one of the main targets for reactive oxygen species; thus, reactive oxygen species-induced damage and protein and lipid modifications occur, and skin can undergo a wide array of diseases, from photosensitivity to cancer. In this study, human dermal fibroblasts exposed to hydrogen peroxide (0-1000 micromol/L) exhibited a marked increase in both protein carbonyls and 4-hydroxy-2-nonenal, ...

A number of new Pt(II) complexes is described having the general formula PtCl(2)(LL), where LL is a chelating diamine ligand. Ligands LL were chosen as D,L-2,3-diaminopropionic acid and its ethyl ester, and D,L-2,4-diaminobutyric acid and its ethyl ester. The compounds were characterized using analytical and spectroscopic methods. The influence of the size of the chelate ring and its functional...

The purpose of this research is the synthesis alkyl esters from CPO through transesterification reaction using catalyst CaO-MgO. This experimental laboratory stages: (1) refinement, (2) determination free fatty acid numbers, (3) activation CaO-MgO catalysts, (5) with alcohol (methanol and ethanol), (6) identification components synthesized ester GC-MS,characterization including density, viscosi...

Synthesis of novel neuraminidase inhibitor -- carborane ester of oseltamivir carboxylic acid is described, and its physicochemical and spectral characteristics is provided. Surprisingly, carborane analog of oseltamivir is of an order of magnitude less active than its precursor, the corresponding ethyl ester, which is the active principle of pharmaceutical preparations used in influenza prophyla...

The effects of eicosapentaenoic acid on synthesis and secretion of cholesterol and cholesterol ester by cultured rat hepatocytes were studied. In the presence of eicosapentaenoic acid cellular cholesterol esterification was decreased by 50-75% compared to oleic acid as measured by radioactive precursors and mass. Secretion of cholesterol ester was reduced by 50-60% in the presence of eicosapent...