Jagoda Siemaszko, Marta Dratwa, Agnieszka Szeremet, Maciej Majcherek, Anna Czyż, Małgorzata Sobczyk-Kruszelnicka, Wojciech Fidyk, Iwona Solarska, Barbara Nasiłowska-Adamska, Patrycja Skowrońska, Maria Bieniaszewska, Agnieszka Tomaszewska, Grzegorz W Basak, Sebastian Giebel, Tomasz Wróbel, Katarzyna Bogunia-Kubik
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引用次数: 0
Abstract
The aim of the present study was to determine the associations between the MICB genetic variability and the expression and the risk of development of post-transplant complications after allogeneic hematopoietic stem cell transplantation (HSCT). HSCT recipients and their donors were genotyped for two MICB polymorphisms (rs1065075, rs3828903). Moreover, the expression of a soluble form of MICB was determined in the recipients' serum samples after transplantation using the Luminex assay. Our results revealed a favorable role of the MICB rs1065075 G allele. Recipients with donors carrying this genetic variant were less prone to developing chronic graft-versus-host disease (cGvHD) when compared to recipients without any symptoms of this disease (41.41% vs. 65.38%, p = 0.046). Moreover, the MICB rs1065075 G allele was associated with a lower incidence of cytomegalovirus (CMV) reactivation, both as a donor (p = 0.015) and as a recipient allele (p = 0.039). The MICB rs1065075 G variant was also found to be associated with decreased serum soluble MICB (sMICB) levels, whereas serum sMICB levels were significantly higher in recipients diagnosed with CMV infection (p = 0.0386) and cGvHD (p = 0.0008) compared to recipients without those complications. A protective role of the G allele was also observed for the rs3828903 polymorphism, as it was more frequently detected among donors of recipients without cGvHD (89.90% vs. 69.23%; p = 0.013). MICB genetic variants, as well as serum levels of sMICB, may serve as prognostic factors for the risk of developing cGvHD and CMV infection after allogeneic HSCT.
期刊介绍:
Archivum Immunologiae et Therapiae Experimentalis (AITE), founded in 1953 by Ludwik Hirszfeld, is a bimonthly, multidisciplinary journal. It publishes reviews and full original papers dealing with immunology, experimental therapy, immunogenetics, transplantation, microbiology, immunochemistry and ethics in science.