AbstractWe investigated tumor cell apoptosis in vivo in 14 heavily pretreated patients with B-cell chronic lymphocytic leukemia undergoing rituximab monotherapy. Apoptosis induction was more pronounced in patients with mutated IgVH genes than in those with unmutated IgVH genes, independently of the levels of expression of CD20, CD38, and ZAP-70 and of the presence of 17p deletion. Our results suggest an association between IgVH gene mutational status and rituximab-induced apoptosis.
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Vol. 91 No. 9 (2006): September, 2006 : Clinical Trial, Phase I
Ferrata Storti Foundation, Pavia, Italy
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