HLA-G+3027 polymorphism is associated with tumor relapse in pediatric Hodgkin's lymphoma

Valli De Re, Laura Caggiari, Lara Mussolin, Emanuele Stefano d'Amore, Barbara Famengo, Mariangela De Zorzi, Lia Martina, Caterina Elia, Marta Pillon, Nicola Santoro, Paola Muggeo, Salvatore Buffardi, Maurizio Bianchi, Alessandra Sala, Piero Farruggia, Luciana Vinti, Edgardo D Carosella, Roberta Burnelli, Maurizio Mascarin

Research output: Contribution to journalArticlepeer-review


In this study, we tested whether polymorphisms in human leukocyte antigen G (HLA-G) were associated with event-free survival (EFS) in pediatric Hodgkin's lymphoma (HL). We evaluated the association of HLA-G 3'-UTR polymorphisms with EFS in 113 pediatric HL patients treated using the AIEOP LH-2004 protocol. Patients with the +3027-C/A genotype (rs17179101, UTR-7 haplotype) showed lower EFS than those with the +3027-C/C genotype (HR= 3.23, 95%CI: 0.99-10.54, P=0.012). Female patients and systemic B symptomatic patients with the HLA-G +3027 polymorphism showed lower EFS. Multivariate analysis showed that the +3027-A polymorphism (HR 3.17, 95%CI 1.16-8.66, P=0.025) was an independent prognostic factor. Immunohistochemical analysis showed that HL cells from patients with the +3027-C/A genotype did not express HLA-G. Moreover, HLA-G +3027 polymorphism improved EFS prediction when added to the algorithm for therapeutic group classification of pediatric HL patients. Our findings suggest HLA-G +3027 polymorphism is a prognostic marker in pediatric HL patients undergoing treatment according to LH-2004 protocol.

Original languageEnglish
Pages (from-to)105957-105970
Number of pages14
Issue number62
Publication statusPublished - Dec 1 2017


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