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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 PLoS+One
2015 ; 10
(10
): e0140551
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Extracellular Vesicles Derived from Bone Marrow Mesenchymal Stem Cells Protect
against Experimental Colitis via Attenuating Colon Inflammation, Oxidative Stress
and Apoptosis
#MMPMID26469068
Yang J
; Liu XX
; Fan H
; Tang Q
; Shou ZX
; Zuo DM
; Zou Z
; Xu M
; Chen QY
; Peng Y
; Deng SJ
; Liu YJ
PLoS One
2015[]; 10
(10
): e0140551
PMID26469068
show ga
The administration of bone mesenchymal stem cells (BMSCs) could reverse
experimental colitis, and the predominant mechanism in tissue repair seems to be
related to their paracrine activity. BMSCs derived extracellular vesicles
(BMSC-EVs), including mcirovesicles and exosomes, containing diverse proteins,
mRNAs and micro-RNAs, mediating various biological functions, might be a main
paracrine mechanism for stem cell to injured cell communication. We aimed to
investigate the potential alleviating effects of BMSC-EVs in
2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis model. Intravenous
injection of BMSC-EVs attenuated the severity of colitis as evidenced by decrease
of disease activity index (DAI) and histological colonic damage. In inflammation
response, the BMSC-EVs treatment significantly reduced both the mRNA and protein
levels of nuclear factor kappaBp65 (NF-?Bp65), tumor necrosis factor-alpha
(TNF-?), induciblenitric oxidesynthase (iNOS) and cyclooxygenase-2 (COX-2) in
injured colon. Additionally, the BMSC-EVs injection resulted in a markedly
decrease in interleukin-1? (IL-1?) and an increase in interleukin-10 (IL-10)
expression. Therapeutic effect of BMSC-EVs associated with suppression of
oxidative perturbations was manifested by a decrease in the activity of
myeloperoxidase (MPO) and Malondialdehyde (MDA), as well as an increase in
superoxide dismutase (SOD) and glutathione (GSH). BMSC-EVs also suppressed the
apoptosis via reducing the cleavage of caspase-3, caspase-8 and caspase-9 in
colitis rats. Data obtained indicated that the beneficial effects of BMSC-EVs
were due to the down regulation of pro-inflammatory cytokines levels, inhibition
of NF-?Bp65 signal transduction pathways, modulation of anti-oxidant/ oxidant
balance, and moderation of the occurrence of apoptosis.
|Animals
[MESH]
|Apoptosis
[MESH]
|Cells, Cultured
[MESH]
|Colitis, Ulcerative/etiology/genetics/immunology/*prevention & control
[MESH]
|Cytokines/genetics/metabolism
[MESH]
|Disease Models, Animal
[MESH]
|Extracellular Vesicles/*metabolism
[MESH]
|Inflammation/etiology/genetics/immunology/*prevention & control
[MESH]