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PLoS One ; 13(7): e0200221, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30036376

RESUMO

Cytomegalovirus (CMV) infection represents one of the main cause mortality after Stem Cell Transplantation. Recently, a protective effect of the T allele of rs12979860 IL28B Single Nucleotide Polymorphisms (SNPs) against CMV infection in the allogenic stem cell transplantation was suggested. We investigate whether the rs12979860 IL28B SNP and the relative rs368234815 (IFNλ4) genotype may affect the incidence of active CMV infection in Autologous stem cell transplantation (Auto-SCT) setting. The study included 99 patients who underwent to Auto-SCT. IL28 and IFNΔ4 SNPs were correlated with CMV reactivation along with other clinical and treatment parameters. CMV reactivation by CMV DNAemia was evaluated once a week until day 100 from Auto-SCT. CMV reactivation was documented in 50% (TT-ΔG/ΔG), 35% (CC-TT/TT) and 29.2% (CT-TT/ΔG) of the patients respectively. No differences in CMV copies number were recorded at reactivation between different IL28/IFNλ4 genotypes. The analysis of patients older than 60 years showed a significantly higher incidence of active CMV infection in the TT-ΔG/ΔG (83%) population with respect to CC-TT/TT (21%) and CT-TT/ΔG (40%) patients. Our data suggest a negative role of TT-ΔG/ΔG genotype in the CMV reactivation in Auto-SCT. The exposure to rituximab and the pre-infusion presence of anti CMV IgG also significantly influenced CMV reactivation.


Assuntos
Infecções por Citomegalovirus/prevenção & controle , Citomegalovirus/fisiologia , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Interleucinas/genética , Polimorfismo de Nucleotídeo Único , Transplante Autólogo/efeitos adversos , Ativação Viral/genética , Adolescente , Adulto , Idoso , Alelos , Infecções por Citomegalovirus/etiologia , Infecções por Citomegalovirus/virologia , Feminino , Genótipo , Humanos , Interferons , Linfoma não Hodgkin/terapia , Masculino , Pessoa de Meia-Idade , Mieloma Múltiplo/terapia , Adulto Jovem
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