Increased SHISA3 expression characterizes chronic lymphocytic leukemia patients sensitive to lenalidomide

Rossana Maffei, Stefania Fiorcari, Silvia Martinelli, Stefania Benatti, Jenny Bulgarelli, Lara Rizzotto, Giulia Debbia, Rita Santachiara, Gian Matteo Rigolin, Francesco Forconi, Davide Rossi, Luca Laurenti, Giuseppe A. Palumbo, Daniele Vallisa, Antonio Cuneo, Gianluca Gaidano, Mario Luppi, Roberto Marasca

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Lenalidomide is a therapeutically effective drug in chronic lymphocytic leukemia (CLL). Twenty-seven CLL patients were treated with lenalidomide in a phase II clinical trial. Ten patients were grouped as responders (R) and 6 as nonresponders (NR). We evaluated T lymphocytes, NK, monocytes and dendritic cells at baseline and after treatment. A gene expression analysis was performed on 16 CLL samples collected before treatment. The levels of immune cells or immune-related cytokines are not different between R and NR patients. However, CLL patients sensitive to lenalidomide clearly show a peculiar gene expression profile in leukemic cells. The most up-regulated gene (fold change = +23 in R vs. NR) is Wnt inhibitor SHISA homolog 3 (SHISA3). SHISA3highCLL are characterized by a restrained activation of Wnt signaling and sensibility to lenalidomide-induced apoptosis. In conclusion, SHISA3 is a candidate gene for the identification of CLL patients who will benefit of lenalidomide treatment as single agent.

Lingua originaleInglese
pagine (da-a)423-433
Numero di pagine11
RivistaLeukemia and Lymphoma
Volume59
Numero di pubblicazione2
DOI
Stato di pubblicazionePubblicato - 1 feb 2018

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