ketoglutaric acid/kanker

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Optimization of a novel chelerythrine-loaded magnetic Fe3 O4 /chitosan alpha-ketoglutaric acid system and evaluation of its anti-tumour activities.

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OBJECTIVE A novel magnetic targeting anti-tumour drug delivery system (Fe3 O4 /KCTS-CHE) was designed using magnetic Fe3 O4 /chitosan alpha-ketoglutaric acid (Fe3 O4 /KCTS) as carrier and chelerythrine (CHE) as an anti-tumour drug model. Moreover, the anti-tumour activities and mechanisms of Fe3 O4

α-Ketoglutaric Acid-Modified Carbonate Apatite Enhances Cellular Uptake and Cytotoxicity of a Raf- Kinase Inhibitor in Breast Cancer Cells through Inhibition of MAPK and PI-3 Kinase Pathways.

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AZ628 is a hydrophobic Raf-kinase inhibitor (rapidly accelerated fibrosarcoma) currently in clinical trial of various cancer. The physicochemical properties of hydrophobic drugs that affect the drug-particle interactions and cause aggregation of drugs and particles might be the key aspect to impede

Development and validation of a liquid chromatographic method for the determination of hydroxymethylfurfural and alpha-ketoglutaric acid in human plasma.

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Hydroxymethylfurfural (HMF) and alpha-ketoglutaric acid (KG) have been recently investigated as potential cancer cell damaging agents. We herein report for the first time a validated quantitative assay for their simultaneous determination in human plasma which is amenable to be applied in the future

Method development and validation for the analysis of a new anti-cancer infusion solution via HPLC.

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A fast and simple HPLC method has been developed and validated for the quantification of a completely new anti-cancer drug during the manufacturing process. The combination of four compounds including α-ketoglutaric acid, hydroxymethylfurfural, N-acetyl-L-methionine and N-acetyl-L-selenomethionine,

Krebs Cycle Intermediate-Modified Carbonate Apatite Nanoparticles Drastically Reduce Mouse Tumor Burden and Toxicity by Restricting Broad Tissue Distribution of Anticancer Drugs.

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The morphology, size, and surface area of nanoparticles (NPs), with the existence of functional groups on their surface, contribute to the drug binding affinity, distribution of the payload in different organs, and targeting of a particular tumor for exerting effective antitumor activity in vivo.

Inhibition of cancer-associated mutant isocitrate dehydrogenases: synthesis, structure-activity relationship, and selective antitumor activity.

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Mutations of isocitrate dehydrogenase 1 (IDH1) are frequently found in certain cancers such as glioma. Different from the wild-type (WT) IDH1, the mutant enzymes catalyze the reduction of α-ketoglutaric acid to d-2-hydroxyglutaric acid (D2HG), leading to cancer initiation. Several

Simultaneous quantitative determination of alpha-ketoglutaric acid and 5-hydroxymethylfurfural in human plasma by gas chromatography-mass spectrometry.

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Alpha-ketoglutaric acid (alpha-KG) and 5-hydroxymethylfurfural (5-HMF) are currently under investigation as promising cancer cell damaging agents. A method for the simultaneous quantitative determination of alpha-KG and 5-HMF in human plasma was established for screening these compounds in human

Clonostachys rosea demethiolase STR3 controls the conversion of methionine into methanethiol.

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Eukaryote-derived methioninase, catalyzing the one-step degradation of methionine (Met) to methanethiol (MTL), has received much attention for its low immunogenic potential and use as a therapeutic agent against Met-dependent tumors. Although biological and chemical degradation pathways for Met-MTL

Quantitative scanning of soft-tissue sarcomas with nitrogen-13-labeled L-glutamate.

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Nitrogen-13-L-glutamate, a labeled amino acid enzymatically synthesized from cyclotron-produced N-13 ammonia and alpha-ketoglutaric acid, was used as an imaging agent in 14 patients with soft-tissue sarcomas. Concentration of nitrogen-13 label within the sarcoma was seen in 11 of the 14 patients; in

Oxidative phosphorylation activation is an important characteristic of DOX resistance in hepatocellular carcinoma cells.

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BACKGROUND Despite the implications for tumor growth and cancer drug resistance, the mechanisms underlying differences in energy metabolism among cells remain unclear. METHODS To analyze differences between cell types, cell viability, ATP and α-ketoglutaric acid levels, the oxygen consumption rate

Indole-3-acetic Acid Synthesis in Tumorous and Nontumorous Species of Nicotiana.

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The synthesis of indole-3-acetic acid (IAA) in the enzyme extracts of Nicotiana glauca, Nicotiana langsdorffii, their F1 hybrid, their amphidiploid hybrid, and the nontumorous mutant of the hybrid was investigated. Tryptamine, a possible precursor of IAA biosynthesis in Nicotiana tabacum, was not

LC-ESI-TOF-MS and GC-MS profiling of Artemisia herba-alba and evaluation of its bioactive properties.

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In this work, LC-ESI-TOF-MS and GC-EI-MS were used to assess the potential of Artemisia herba alba as a source of health-promoting constituents. Besides, the antioxidant, the antimicrobial and the cytotoxic potentials were evaluated. A total of 86 metabolites, including C-glycosylated and methylated

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