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Страница 1 от 63 полученные результаты
[(18)F-labeled tyrosine derivatives: synthesis and experimental studies on accumulation in tumors and abscesses].
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Tyrosine derivatives labeled with a short-living fluorine 18 isotope (T(1/2) 110 min), namely 2-[(18)F]fluoro-L-tyrosine (FTYR) and O-(2'-[(18)F]fluoroethyl)-L-tyrosine (FET), promising radiopharmaceutical products (RPP) for positron emission tomography (PET), were obtained by asymmetric synthesis.
Differential uptake of O-(2-18F-fluoroethyl)-L-tyrosine, L-3H-methionine, and 3H-deoxyglucose in brain abscesses.
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The amino acid O-(2-(18)F-fluoroethyl)-L-tyrosine ((18)F-FET) has been shown to be a useful tracer for brain tumor imaging. Experimental studies demonstrated no uptake of (18)F-FET in inflammatory cells but increased uptake has been reported in single cases of human brain abscesses. To explore this
Occurrence of abscesses during treatment with pazopanib in metastatic renal cancer: a case report.
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A preclinical study on the protective effect of melatonin against methotrexate-induced small intestinal damage: effect mediated by attenuation of nitrosative stress, protein tyrosine nitration, and PARP activation.
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OBJECTIVE
One of the major toxic side effects of methotrexate (MTX) is enterocolitis. To date, there is no efficient standard treatment for this side effect. Nitrosative stress is reported to play a critical role in MTX-induced mucositis. The purpose of this study is to investigate whether
Abscess formation mimicking disease progression, in a patient with metastatic renal cell carcinoma during sunitinib treatment.
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BACKGROUND
Renal cell carcinoma (RCC) represents approximately 3% of all adult cancers and is more common in males. Systemic treatment for RCC has improved following the introduction of tyrosine kinase inhibitors, such as sunitinib. The molecular targets of sunitinib are receptor tyrosine kinases
Multiple liver abscess formation and primary gastrointestinal stromal tumor.
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Gastrointestinal stromal tumors are the most common mesenchymal tumors of the gastrointestinal tract. The introduction of a number of small molecule tyrosine kinase inhibitors has revolutionized the management of metastatic disease. Surgery is the mainstay of management for localized disease.
Presurgical targeted therapy with tyrosine kinase inhibitors for advanced renal cell carcinoma: clinical results and histopathological therapeutic effects.
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OBJECTIVE
We retrospectively analyzed our patients with advanced renal cell carcinoma who underwent presurgical targeted therapy with tyrosine kinase inhibitors to clarify the safety and clinical benefit. The histopathological effect of this treatment was also examined.
METHODS
Between July 2005 and
Entamoeba histolytica antigenic protein detected in pus aspirates from patients with amoebic liver abscess.
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Entamoeba histolytica is a causative agent of amoebic liver abscess (ALA) and is endemic in many underdeveloped countries. We investigated antigenic E. histolytica proteins in liver abscess aspirates using proteomics approach. Pus samples were first tested by real-time PCR to confirm the presence of
High extracellular concentration of excitatory amino acids glutamate and aspartate in human brain abscess.
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Brain abscesses often cause symptoms of brain dysfunction, including seizures, suggesting interference with normal neurotransmission. We determined the concentration of extracellular neuroactive amino acids in brain abscesses from 16 human patients. Glutamate was present at 3.6 mmol/L (median value,
Localization of abscess with an iodinated synthetic chemotactic peptide.
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N-formyl Nle-Leu-Phe-Nle-Tyr-Lys is a potent synthetic chemotactic peptide (CP), which binds to chemotactic receptors of neutrophils with high affinity. Because the peptide contains a tyrosine moiety, it can be readily labeled with a radioactive iodine. In this study, we investigated the possibility
Management of complicated tumor response to tyrosine-kinase inhibitors in gastrointestinal stromal tumors.
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Perirectal abscess in the Hermansky-Pudlak syndrome.
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The Hermansky-Pudlak syndrome (HPS) is a triad of tyrosine-positive albinism, platelet dysfunction, and the deposition of an abnormal ceroid-like pigment in the tissues. Complications of the syndrome, such as pulmonary fibrosis, renal failure, and cardiomyopathy, have been described. Granulomatous
Yersinia enterocolitica infection with multiple liver abscesses uncovering a primary hemochromatosis.
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A 60-year-old man, although treated with antibiotics, suffered from a severe pyrexial illness of unknown origin, weight loss and intermittent abdominal pain. There was no history of diarrhea or common infections. Computed tomography and ultrasound imaging showed uncharacteristic multiple small
Increased concentrations of plasma growth arrest-specific 6 and its soluble tyrosine kinase receptor sAxl in Taiwanese women with pelvic inflammatory disease.
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BACKGROUND
To investigate the concentrations of plasma growth arrest-specific protein 6 (Gas6) and its soluble tyrosine kinase receptor sAxl in women with pelvic inflammatory disease (PID) and their association with clinical outcomes of PID.
METHODS
Blood specimens were consecutively collected from
No carrier added synthesis of O-(2'-[18F]fluoroethyl)-L-tyrosine via a novel type of chiral enantiomerically pure precursor, NiII complex of a (S)-tyrosine Schiff base.
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O-(2'-[(18)F]fluoroethyl)-l-tyrosine ([(18)F]FET) has gained much attention as a promising amino acid radiotracer for tumor imaging with positron emission tomography (PET) due to favorable imaging characteristics and relatively long half-life of (18)F (110min) allowing remote-site application. Here
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