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Review
. 2007;9(8):699-711.
doi: 10.1080/14653240701656046. Epub 2007 Oct 4.

Adoptive immunotherapy of HCMV infection

M Kapp  1 , S M Tan, H Einsele, Gu Grigoleit
Affiliations
Review

Adoptive immunotherapy of HCMV infection

M Kapp et al. Cytotherapy. 2007.

Abstract

Human cytomegalovirus (HCMV) infection or reactivation is a frequent cause of morbidity and mortality in immunocompromised individuals such as transplant recipients. Primary HCMV infection or reactivation of HCMV from latency is mostly asymptomatic in immunocompetent individuals and is controlled by the host's cell-mediated immune response. Healthy HCMV seropositive individuals develop high frequencies of HCMV-specific cytotoxic T lymphocytes (CTL) in the peripheral blood. Furthermore, a direct correlation between the recovery of HCMV-specific CTL responses and an improved outcome of HCMV disease could be demonstrated in immunocompromised patients. Deriving from these observations, the strategy of an adoptive transfer of HCMV-specific T cells has been developed. Protective immunity can be transferred successfully by the infusion of donor-derived HCMV-specific CD8+ cytotoxic T-cell clones or cell lines. In addition, several studies have supported the importance of antiviral effector functions of Th cells in maintaining CTL responses after adoptive transfer and their capacity to produce antiviral cytokines. Until today, a broad variety of clinical protocols for HCMV-specific immunotherapy has been published. These protocols vary regarding the isolation procedure, composition of cellular product, number of transferred cells and thus treatment efficacy. In this review, we aim to provide a comprehensive synopsis of the current standard of knowledge concerning cellular HCMV-specific immunotherapeutic approaches.

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