2019
DOI: 10.1186/s13075-019-1889-8
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Autologous hematopoietic stem cell transplantation in systemic sclerosis induces long-lasting changes in B cell homeostasis toward an anti-inflammatory B cell cytokine pattern

Abstract: Background Autologous hematopoietic stem cell transplantation (aHSCT) is performed in patients with aggressive forms of systemic sclerosis (SSc). The profile of B cell reconstitution after aHSCT is not fully understood. The aim of this study was to investigate changes of B cell subsets and cytokine production of B cells in patients with SSc after aHSCT. Methods Peripheral blood of six patients with SSc was collected at defined intervals up to 16 months after aHSCT. Immu… Show more

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Cited by 42 publications
(39 citation statements)
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“…This notion is supported by the previous studies indicating that HSCT results in an active thymogenesis and increased production of naïve T-cells and restoration of immune repertoire after immune recovery approximately 2 years after transplant, resembling the activity level seen in young children 12 34. In a recent study, HSCT also led to a correction of dysfunctional B-cell homoeostasis in SSc by increasing naïve B-cells and decreasing memory, as well as CD27-/IgD double-negative B-cells 35…”
Section: Discussionsupporting
confidence: 63%
“…This notion is supported by the previous studies indicating that HSCT results in an active thymogenesis and increased production of naïve T-cells and restoration of immune repertoire after immune recovery approximately 2 years after transplant, resembling the activity level seen in young children 12 34. In a recent study, HSCT also led to a correction of dysfunctional B-cell homoeostasis in SSc by increasing naïve B-cells and decreasing memory, as well as CD27-/IgD double-negative B-cells 35…”
Section: Discussionsupporting
confidence: 63%
“…The immune reconstitution after aHSCT we present comprises increased B cell numbers, mainly due to increased naïve B cells (accompanied by decreased memory B cells) and decreased CD4 + T cells 1 year after aHSCT. This reconstitution pattern is comparable with previously reported SSc cohorts [ 22 , 23 ], even if different myeloablative protocols (without ATG) were used [ 23 ], and is in concordance with the reconstitution described in patients with systemic lupus erythematodes [ 24 ] and multiple sclerosis [ 25 ]. In contrast, patients with rheumatoid arthritis showed normalized levels of B cells 1 year after aHSCT, although a similar myeloablative protocol was performed [ 26 ].…”
Section: Discussionsupporting
confidence: 90%
“…In patients with SSc that underwent autologous hematopoietic stem cell transplantation (aHSCT), a peak in the percentage of CD38++/CD10+/IgD+ transitional B cells and CD38++/CD27++/IgD−plasmablasts has been observed already one month after the procedure. These changes persisted for several months after aHSCT and were accompanied by an increased production of IL-10 [45]. As already mentioned for SLE, it has been also observed that SSc patients show altered number and function of IL-10 producing Breg cells [46][47][48].…”
Section: Systemic Sclerosissupporting
confidence: 57%