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An Assessment of Donor-to-Recipient Transmission Patterns of Human Cytomegalovirus by Analysis of Viral Genomic Variants
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An Assessment of Donor-to-Recipient Transmission Patterns of Human Cytomegalovirus by Analysis of Viral Genomic Variants
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Journal Article
An Assessment of Donor-to-Recipient Transmission Patterns of Human Cytomegalovirus by Analysis of Viral Genomic Variants
2009
Overview
BackgroundWe studied human cytomegalovirus (CMV) donor-to-recipient transmission patterns in organ transplantation by analyzing genomic variants on the basis of CMV glycoprotein B (gB) genotyping MethodsOrgan transplant recipients were included in the study if they had CMV viremia, if they had received an organ from a CMV-seropositive donor, and if there was at least 1 other recipient of an organ from the same donor who developed CMV viremia. Genotypes (gB1–4) were determined by real-time polymerase chain reaction ResultsForty-seven recipients of organs from 21 donors developed CMV viremia. Twenty-three recipients had a pretransplant donor/recipient (D/R) CMV serostatus of D+/R+, and 24 had a serostatus of D+/R−. The prevalences of genotypes in recipients were as follows: for gB1, 51% (n=24); for gB2, 19% (n=9); for gB3, 9% (n=4); for gB4, 0% (n=0); and for mixed infection, 21% (n=10). Recipients of an organ from a common donor had infection with CMV of the same gB genotype in 12 (57%) of 21 instances. Concordance between genotypes was higher among seronegative (i.e., D+/R−) recipients than among seropositive (D+/R+) recipients, although discordances resulting from the transmission of multiple strains were seen. In seropositive recipients, transmission of multiple strains from the donor could not be differentiated from reactivation of a recipient’s own strains ConclusionOur analysis of strain concordance among recipients of organs from common donors showed that transmission of CMV has complex dynamic patterns. In seropositive recipients, transmission or reactivation of multiple CMV strains is possible
Publisher
The University of Chicago Press,University of Chicago Press,Oxford University Press
Subject
/ Antiviral Agents - therapeutic use
/ Biological and medical sciences
/ Cytomegalovirus Infections - drug therapy
/ Cytomegalovirus Infections - genetics
/ Cytomegalovirus Infections - immunology
/ Cytomegalovirus Infections - transmission
/ Female
/ Fundamental and applied biological sciences. Psychology
/ Genotype
/ Humans
/ Immunosuppressive Agents - therapeutic use
/ Male
/ Organ Transplantation - adverse effects
/ Viremia
/ Virology
/ Viruses
