A J Murgo

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Metastatic melanoma cells express a number of protein tyrosine kinases (PTKs) that are considered to be targets for imatinib. We conducted a phase II trial of imatinib in patients with metastatic melanoma expressing at least one of these PTKs. Twenty-one patients whose tumours expressed at least one PTK (c-kit, platelet-derived growth factor receptors,(More)
Studies were performed to investigate the effects of the endogenous opioid peptide methionine enkephalin on experimental metastasis of the murine B-16 melanoma and on murine splenic natural killer cell activity. Methionine enkephalin was shown to significantly inhibit tumor metastasis and significantly enhance splenic natural killer cell activity. These(More)
Methionine-enkephalin (Met-Enk) and ZnCl2 in combination enhances active T cell rosette formation of human peripheral blood lymphocytes to a greater degree than either of the agents used separately. Enhancement of rosette formation by Met-Enk plus ZnCl2 was not inhibited by the opiate receptor antagonist naloxone but was completely blocked by the zinc(More)
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