Immune signatures in human PBMCs of idiotypic vaccine for HCV-related lymphoproliferative disorders

Luigi Buonaguro, Annacarmen Petrizzo, Marialina Tornesello, Maria Napolitano, Debora Martorelli, Giuseppe Castello, Gerardo Beneduce, Amalia De Renzo, Oreste Perrella, Luca Romagnoli, Vitor Sousa, Valli De Re, Riccardo Dolcetti, Franco M. Buonaguro

Research output: Contribution to journalArticle

Abstract

Hepatitis C virus (HCV) is one of the major risk factors for chronic hepatitis, which may progress to cirrhosis and hepatocellular carcinoma, as well as for type II mixed cryoglobulinemia (MC), which may further evolve into an overt B-cell non-Hodgkin's lymphoma (NHL). It has been previously shown that B-cell receptor (BCR) repertoire, expressed by clonal B-cells involved in type II MC as well as in HCV-associated NHL, is constrained to a limited number of variable heavy (VH)- and light (VL)-chain genes. Among these, the VK3-20 light chain idiotype has been selected as a possible target for passive as well as active immunization strategy. In the present study, we describe the results of a multiparametric analysis of the innate and early adaptive immune response after ex vivo stimulation of human immune cells with the VK3-20 protein. This objective has been pursued by implementing high-throughput technologies such as multiparameter flow cytometry and multiplex analysis of cytokines and chemokines.

Original languageEnglish
Article number18
JournalJournal of Translational Medicine
Volume8
DOIs
Publication statusPublished - Feb 19 2010

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

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