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Puslapis 1 nuo 100 rezultatus
Water-soluble photoluminescent d-mannose and l-alanine functionalized silicon nanocrystals and their application to cancer cell imaging.
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Herein, we report the straightforward synthesis, photoluminescent properties, and cell imaging studies of d-mannose and l-alanine functionalized silicon nanocrystals (SiNCs). Tailoring nanocrystal surface functionalization is essential to interfacing SiNCs with their environment and rendering them
FT-IR and Raman spectroscopic and DFT studies of anti-cancer active molecule N-{(meta-ferrocenyl) Benzoyl} - l-alanine - glycine ethyl ester.
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FT-Raman and FT-IR spectra of N-{(meta-ferrocenyl) Benzoyl} - l-alanine - glycine ethyl ester were recorded in solid phase. The optimized molecular geometry, the vibrational wavenumbers, the infrared intensities and the Raman scattering intensities were calculated by using density functional
A Novel Prodrug of a γ-Glutamylcyclotransferase Inhibitor Suppresses Cancer Cell Proliferation in vitro and Inhibits Tumor Growth in a Xenograft Mouse Model of Prostate Cancer.
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γ-Glutamylcyclotransferase (GGCT) depletion inhibits cancer cell proliferation. However, whether the enzymatic activity of GGCT is critical for the regulation of cancer cell growth remains unclear. In this study, a novel diester-type cell-permeable prodrug, pro-GA, was developed based on the
Amino acid absorption by mouse ascites-tumour cells depleted of both endogenous amino acids and adenosine triphosphate.
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1. Despite the depletion of both their content of exchangeable endogenous amino acids and reserves of ATP, starved hypo-osmotically shocked preparations of the tumour cells accumulated relatively large amounts of (14)C-labelled 2-aminoisobutyrate, l-alanine, glycine, l-leucine, l-methionine,
Characteristics of L-alanine uptake in freshly isolated hepatocytes of elasmobranch Raja erinacea.
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The specific transport mechanisms that mediate the hepatic uptake of L-[3H]alanine and of an unnatural homologue, alpha-[14C]methylaminoisobutyric acid (MeAIB), were analyzed in hepatocyte suspensions from Raja erinacea. Aminooxyacetate, an inhibitor of aminotransferase activity was used to prevent
Synthesis and evaluation of 18F labeled alanine derivatives as potential tumor imaging agents.
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BACKGROUND
This paper reports the synthesis and labeling of (18)F alanine derivatives. We also investigate their biological characteristics as potential tumor imaging agents mediated by alanine-serine-cysteine preferring (ASC) transporter system.
METHODS
Three new (18)F alanine derivatives were
Biodistribution studies on L-3-[fluorine-18]fluoro-alpha-methyl tyrosine: a potential tumor-detecting agent.
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Iodine-123-alpha-methyl tyrosine has proven to be a promising SPECT agent for imaging amino acid uptake in tumors. We developed L-[3-(18)F]-alpha-methyl tyrosine (FMT) for PET studies. The aim of this study was to investigate its potential use as a tumor-detecting agent by using tumor-bearing
Synthesis and evaluation of ¹⁸F labeled FET prodrugs for tumor imaging.
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BACKGROUND
O-(2-[(18)F]fluoroethyl)-L-tyrosine (FET, [(18)F]1) is a useful amino-acid-based imaging agent for brain tumors. This paper reports the synthesis and evaluation of three FET prodrugs, O-(2-[(18)F]fluoroethyl)-L-tyrosyl-L-glycine (FET-Gly, [(18)F]2),
Grade 4 epistaxis in a woman with metastatic breast cancer treated with bevacizumab: a case report.
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We describe a 39-year-old woman with metastatic breast cancer who had grade 4 epistaxis induced by bevacizumab. The patient visited our outpatient clinic with complaints of a lump in her right breast, fatigue, dyspnea, abdominal distention, appetite loss, and weight loss of 10 kg over 1 year. Liver
VER-246608, a novel pan-isoform ATP competitive inhibitor of pyruvate dehydrogenase kinase, disrupts Warburg metabolism and induces context-dependent cytostasis in cancer cells.
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Pyruvate dehydrogenase kinase (PDK) is a pivotal enzyme in cellular energy metabolism that has previously been implicated in cancer through both RNAi based studies and clinical correlations with poor prognosis in several cancer types. Here, we report the discovery of a novel and selective ATP
Weekly paclitaxel in escalating doses in a patient with anthracycline-resistant, triple-negative, metastatic breast cancer with severe liver dysfunction.
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Liver dysfunction in a patient with anthracycline-resistant breast cancer and liver metastases with poor performance status (PS) represents a serious situation. Taxanes are the drugs of choice, but once the transaminase enzyme levels are raised more than 10-times the upper limit of normal (>10 ULN),
Pilot Study of Metabolomics and Psychoneurological Symptoms in Women With Early Stage Breast Cancer.
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Many women with breast cancer experience symptoms of pain, fatigue, and depression, collectively known as psychoneurologic (PN) symptoms, during and after chemotherapy treatment. Evidence that inflammatory dysfunction related to cancer and its treatments contributes to the development and
Evaluation of an anal sac adenocarcinoma tumor in a Spitz dog.
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A 9-year-old emasculated male Spitz with tenesmus and constipation had a subcutaneous mass at the left ventral aspect of the anus with history of polyuria and polydipsia. A complete blood cell count, serum biochemistry panel, and urinalysis (cystocentesis sample) were evaluated. Abnormalities in the
First report on the efficacy of l-alanine-based in situ-forming implants for the long-term parenteral delivery of drugs.
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The recent advent of biotechnologies has led to the development of labile macromolecular therapeutic agents that require complex formulations for their efficient administration. This work reports a novel concept for the systemic, sustained delivery of such agents. The proposed approach is based on
Novel synthesis and biological evaluation of enigmols as therapeutic agents for treating prostate cancer.
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Enigmol is a synthetic, orally active 1-deoxysphingoid base analogue that has demonstrated promising activity against prostate cancer. In these studies, the pharmacologic roles of stereochemistry and N-methylation in the structure of enigmols were examined. A novel enantioselective synthesis of all
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