نتایج جستجو برای: dipodal chelator
تعداد نتایج: 3695 فیلتر نتایج به سال:
A series of bidentate hydroxypyridinone iron chelators that have therapeutic potential as oral iron chelators, have been studied systematically to determine which properties are the most critical for the mobilization of hepatocyte iron. The relationship between lipid solubility of the free and complexed forms of each chelator and hepatocyte iron release has been investigated as well as the cont...
Purpose: Somatostatin receptors (SSTr) are expressed on many neuroendocrine tumors, and several radiotracers have been developed for imaging these types of tumors. For this reason, peptide analogues of somatostatin have been well characterized. Copper-64 (t1/2 12.7 hours), a positron emitter suitable for positron emission tomography (PET) imaging, was shown recently to have improved in vivo cle...
-The compound fura(Grynkiewicz et al., J. Biol. Chem. 260, 344&3450, 1985) is generally known as an indicator dye for measuring the concentration of free calcium ([Ca”]) inside living cells. It should be appreciated, however, that this is not what it actually is. More accurately, it is a divalent metal ion chelator which changes its fluorescence properties upon complexation. Thus, [Ca ‘1 has to...
A prospective trial of continuous chelation therapy in children with homozygous thalassaemia on a high transfusion regimen was started in April 1966. The effect of treatment on iron concentration in the liver and on hepatic histology was examined in 49 biopsy specimens obtained from nine chelator-treated patients and nine control patients between April 1966 and April 1973.Chelation therapy was ...
Bleomycin is widely used for treating several types of human tumors as well as a variety of experimental tumors. The ability of this antibiotic to bind and to damage DNA has been proposed to be responsible for its antitumor effect. Bleomycin is also a good chelator for several metals, e.g., iron, copper, and others. Bleomycin:metal complexes have been investigated in detail particularly for the...
Data are presented indicating that the growth of 5 out of 5 murine lymphoid tumors can be inhibited in a synergistic fashion in vitro by combined treatment with the iron chelator deferoxamine (DFO) and an immunoglobulin G (IgG) monoclonal anti-transferrin receptor antibody (ATRA). A two-way dose/response analysis shows that the ATRA becomes more efficient as an inhibitor with increasing doses o...
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