PubMed · 13985892
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S N PRADHAN, C AJMONE MARSON. 1963. Chlorambucil toxicity and EEG "centrencephalic" patterns.. https://doi.org/10.1111/j.1528-1157.1963.tb05205.x
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To enable scFvs as multi-drug carriers, we designed and synthesized dendritic linker molecules bearing up to nine chlorambucil residues at the branch ends. A maleimide group was used at the focal point of the dendron for easy linkage to the scFv. Originally designed molecules showed poor water solubility. To address this problem, a lysine residue with an unprotected carboxylic acid group was inserted into the dendron branches. The new molecules showed excellent water solubility and are now suitable for conjugation. Such dendritic molecules will allow studies to understand the relationship between the drug/antibody ratio and the potency of the immunoconjugates. The dendritic approach could also be applied to drugs other than chlorambucil and carriers other than scFvs to greatly increase the drug/carrier ratio.
Two years after the diagnosis of Sézary syndrome, a 50-year old female patient experienced attacks of painful ischemia of both hands and feet, leading to acral necrosis. Another 59-year old patient presented with severe pain in his feet, secondary to ischemia. This was the first symptom of a T-cell-chronic lymphocytic leukemia. Similar cases have only occasionally been described. The relationship between acral ischemia and T-cell-lymphoma is not clear but is discussed in this article.
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