نتایج جستجو برای: 125i
تعداد نتایج: 6156 فیلتر نتایج به سال:
Both rat 125I-labeled atrial natriuretic polypeptide [125I-ANP or atrial natriuretic factor fragment ANF-(99-126)] and human 125I-ANP [125I-alpha-ANP or human ANF-(99-126)] bind with high specificity and affinity (Kd = 20-80 pM) to an apparent single class of sites in guinea pig brain. The ligand selectivity pattern demonstrates that ANF-(101-126) greater than ANF-(99-126) greater than ANF-(103...
m-[l25I]iodobenzylguanidine (m-[125I]MIBG) has been suggested as an alternative to m-[131I]MIBG for the treatment of metastatic neuroblastoma to achieve a higher radiation dose in micrometastases. To compare these two radiopharmaceuticals, a mathematical model was developed in the present study that allows for the calculation of radiation dose rates within small spherical tumors for different d...
To investigate the distribution of nerve growth factor (NGF) receptors on peripheral and central axons, [125I]NGF was injected into the sciatic nerve or spinal cord of adult rats. Accumulation of [125I]NGF in lumbar dorsal root ganglia was monitored by gamma emission counting and radioautography. [125I]NGF, injected endoneurially in small quantities, was taken into sensory axons by a saturable ...
Development of the novel targeted therapies for glioblastoma multiforme is very important. Brachytherapy has been proven to provide a good alternative to surgical removal of the prostate, breast and cervix with reduced risk of certain long-term side effects. Thus, 125I brachytherapy was used to effect on the growth and invasion of glioma cells in vitro and in vivo. The inhibitory effect of 125I...
The full-length cDNA for the rat recombinant synaptic vesicle monoamine transporter (rVMAT2) containing a COOH-terminal polyhistidine epitope was engineered into baculovirus DNA for expression in Spodoptera frugiperda (Sf9) cells. Using this recombinant baculovirus and cultured Sf9 cells, rVMAT2 has been expressed to high levels and purified to >95% homogeneity using immobilized Ni2+-affinity c...
Retinol-binding protein (RBP) was iodinated directly by radio-iodine substitution on the tyrosyl residues by the sodium hypochlorite (NaOCl) or the Enzymobead (EB) methods, or indirectly by linkage of 125I-tyramine-cellobiose (TC) or 125I-N-succinimidyl-3-(4- hydroxyphenyl)propionic acid ester (SHPP) adduct on to free amino residues of RBP. Binding, uptake and degradation of iodinated RBP were ...
The iron-binding protein lactoferrin (Lf) present in blood is metabolized by the liver. Isolated rat hepatocytes vigorously endocytose bovine Lf via recycling Ca2(+)-dependent binding sites, but the uptake of iron from Lf by hepatocytes has not been examined. In this study, isolated rat hepatocytes were incubated with radiolabelled bovine Lf (125I-Lf, 59Fe-Lf or 125I-59Fe-Lf) at 37 degrees C, t...
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