نتایج جستجو برای: 131
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Radioiodine-131 ((131)I) is widely used for diagnosis and treatment of benign thyroid diseases. Observational studies have not been conclusive about the carcinogenic potential of (131)I and we therefore conducted a meta-analysis. We performed a literature search till September 2011 which included (131)I as a diagnostic or treatment modality ((131)I for treatment of thyroid cancer was excluded)....
PURPOSE Current study is focused on extraction with methanol, purification, labeling with (131)I using iodogen method of the yarrow plant and investigating in vivo biological activity using biodistribution and imaging studies on healthy animal models. The aim of the study is to contribute plant extracts to discover new drugs in the diagnosis and treatment of several diseases. METHODS Nine fem...
Human cytomegalovirus (HCMV) forms two different membrane protein complexes, gH/gL/gO and gH/gL/UL128/UL130/UL131, that function in different cell types. gH/gL/gO appears to be important for HCMV entry into or spread between fibroblasts, processes that occur at neutral pH. We demonstrated that HCMV entry into epithelial and endothelial cells requires gH/gL/UL128-131 and involves endocytosis and...
UNLABELLED In this investigation, the efficacy of scintigraphy using (99m)Tc-labeled hydrazinonicotinyl-Tyr3-octreotide (HYNIC-TOC) in the evaluation of extraadrenal pheochromocytoma was assessed and compared with (131)I-labeled metaiodobenzylguanidine (MIBG) imaging. METHODS Ninety-seven patients who were suspected of having pheochromocytoma but showed no definite adrenal abnormalities on CT...
In the management of large number of patients with differentiated thyroid cancer, the radioactive iodine (131-I) administration plays an important role. The guidelines of numerous international and national medical societies regarding the issue of postoperative 131-I administration have been published and updated in the last few years. The guidelines differ in the shape and content, and contain...
The review aims to give an up to date understanding of the mechanisms of apoptosis (programmed cell death), the methods of detecting apoptosis, in particular with regard to imaging such changes non-invasively. Radioiodine (I-131) is a gamma and beta emitting radionuclide and is commonplace in the treatment of hyperthyroidism. I-131 therapy relies on the destruction of thyroid tissue by beta rad...
2. EBV genes required for B cell proliferation in vitro . . . . . . . . . . . . . . . . . . . . . . . . 131 2.1. EBNA2 and EBNA-LP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 2.1.1. Co-operation in cell cycle progression . . . . . . . . . . . . . . . . . . . . . . . . 131 2.1.2. Co-operation in transcriptional activation . . . . . . . . . . . . . . . . . . . . ...
Assessment of myocardial viability is deemed necessary to aid in clinical decision making whether to recommend revascularization therapy for patients with myocardial infarction (MI). Dianthraquinones such as hypericin (Hyp) selectively accumulate in necrotic myocardium, but were unsuitable for early imaging after administration to assess myocardial viability. Since dianthraquinones can be compo...
Lung cancer is the leading cause of cancer-related death. About 80% of lung cancers are non-small cell lung cancers (NSCLC). Radiotherapy is widely used in treatment of NSCLC. However, the outcome of NSCLC remains unsatisfactory. In this study, a vascular disrupting agent (VDA) combretastatin-A4-phosphate (CA4P) was used to provide massive necrosis targets. (131)I labeled necrosis-avid agent pr...
BACKGROUND Iodine-131 ((131)I) is a well-established method for the treatment of hyperthyroidism. Following such therapy, patients may experience symptoms relating to early or delayed side effects that can be prevented or minimized if necessary measures are taken. We have noticed an unusual side effect of (131)I therapy in the form of a skin eruption (iododerma) and aimed at assessing the frequ...
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