2013
DOI: 10.1111/cei.12188
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Cytomegalovirus contributes partly to uraemia-associated premature immunological ageing of the T cell compartment

Abstract: SummaryCytomegalovirus (CMV) infection has been implicated in accelerated T cell ageing. End-stage renal disease (ESRD) patients have a severely immunologically aged T cell compartment but also a high prevalence of CMV infection. We investigated whether CMV infection contributes to T cell ageing in ESRD patients. We determined the thymic output by the T cell receptor excision circle (TREC) content and percentage of CD31+ naïve T cells. The proliferative history of the T cell compartment by determination of the… Show more

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Cited by 34 publications
(49 citation statements)
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“…Thus, premature immunological aging is a dominant feature in patients with end-stage renal failure (30,31). In addition, CMV has been shown to contribute to the uremiaassociated premature aging of the T cell system that is associated with high percentages of CD57 þ CD28null CD8þ effector-memory T cells, which is likely a consequence of oligoclonal expansions of CMV-specific CD8þ T cells (30,32). CD57 þ CD28null CD8þ effector-memory T cells have been reported to have a high IFNg production in healthy young and middle-aged CMV-seropositive individuals (16).…”
Section: Discussionmentioning
confidence: 99%
“…Thus, premature immunological aging is a dominant feature in patients with end-stage renal failure (30,31). In addition, CMV has been shown to contribute to the uremiaassociated premature aging of the T cell system that is associated with high percentages of CD57 þ CD28null CD8þ effector-memory T cells, which is likely a consequence of oligoclonal expansions of CMV-specific CD8þ T cells (30,32). CD57 þ CD28null CD8þ effector-memory T cells have been reported to have a high IFNg production in healthy young and middle-aged CMV-seropositive individuals (16).…”
Section: Discussionmentioning
confidence: 99%
“…MSC were isolated, cultured and characterized as described previously [19]. In brief, perirenal adipose tissue was disrupted mechanically and digested enzymatically with collagenase type IV (Life Technologies, Paisley, UK).…”
Section: Origin Isolation and Culture Of Human Mscmentioning
confidence: 99%
“…CMV seroposivity, is associated with alterations in parameters related to aging of T cells such as reduced telomere length and the induction of differentiated CD4 þ and CD8 þ T cells (1)(2)(3)(4). A characteristic feature of these differentiated T cells in CMV-seropositive individuals is the higher number of CD4 þ as well as CD8 þ T cells lacking the surface expression of CD28, a costimulatory molecule that is lost late in the course of T cell differentiation (5,6).…”
Section: Introductionmentioning
confidence: 99%
“…In particular, the appearance of significant numbers of circulating CD4 þ CD28null T cells is related to CMV seropositivity and ESRD further promotes their expansion (7,8). CMV infection also contributes to the uremia-associated premature immunological aging of ESRD patients as it is associated with a reduced telomere length in CD8 þ T cells (3).…”
Section: Introductionmentioning
confidence: 99%