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PURPOSE The suitability of neuroblastoma patients for therapy using radiolabeled meta-iodobenzylguanidine (MIBG) is determined by scintigraphy after the administration of a tracer dose of radioiodinated MIBG whose uptake is dependent upon the cellular expression of the noradrenaline transporter (NAT). As a possible alternative to gamma camera imaging, we(More)
Radiolabeled benzamides are attractive candidates for targeted radiotherapy of metastatic melanoma as they bind melanin and exhibit high tumor uptake and retention. One such benzamide, N-(2-diethylamino-ethyl)-4-(4-fluoro-benzamido)-5-iodo-2-methoxy-benzamide (MIP-1145), was evaluated for its ability to distinguish melanin-expressing from amelanotic human(More)
N-myc amplification correlates with poor prognosis in neuroblastoma patients. Although the reason for this is unclear, it is possible that amplified N-myc confers resistance to certain agents used in the therapy of the disease. The acquisition of resistance to cytotoxic drugs in human tumor cells is multifactorial. One mechanism involved in the development(More)
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