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2017 ; 8
(ä): 526
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Therapeutic Development of Mesenchymal Stem Cells or Their Extracellular Vesicles
to Inhibit Autoimmune-Mediated Inflammatory Processes in Systemic Lupus
Erythematosus
#MMPMID28539924
Sharma J
; Hampton JM
; Valiente GR
; Wada T
; Steigelman H
; Young MC
; Spurbeck RR
; Blazek AD
; Bösh S
; Jarjour WN
; Young NA
Front Immunol
2017[]; 8
(ä): 526
PMID28539924
show ga
Since being discovered over half a century ago, mesenchymal stem cells (MSCs)
have been investigated extensively to characterize their cellular and
physiological influences. MSCs have been shown to possess immunosuppressive
capacity through inhibiting lymphocyte activation/proliferation and
proinflammatory cytokine secretion while simultaneously demonstrating limited
allogenic reactivity, which subsequently led to the evaluation of therapeutic
feasibility to treat inflammatory diseases. Although regulatory constraints have
restricted MSC development pharmacologically, limited clinical studies have shown
encouraging results using MSC infusions to treat systemic lupus erythematosus
(SLE); but, more trials will have to be performed to conclusively determine the
clinical efficacy of MSCs to treat SLE. Moreover, there are some data to suggest
that MSCs possess tumorigenic potential and that the immunosuppressive influence
can be dramatically affected by both donor variability and ex vivo expansion.
Given that recent studies have found that the immunosuppressive effects of MSCs
are a result, at least in part, to extracellular vesicle (EV) secretion, the use
of MSC-derived EVs has been suggested as a cell-free therapeutic alternative.
Despite the positive data observed using EVs isolated from human MSCs to suppress
inflammatory responses in vitro and in inhibiting autoimmune disease pathogenesis
in preclinical work, there are no studies to date examining EVs from MSCs to
treat SLE in humans or animal models. Considering that EVs are not subject to the
strict regulatory constraints of stem cell-based pharmacological development and
are more readily standardized with regard to industrial-scale production and
storage, this review outlines the anti-inflammatory biology of MSCs and the
scientific evidence supporting the potential use of EVs derived from human MSCs
to treat patients with SLE.