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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 World+J+Gastroenterol
2017 ; 23
(21
): 3850-3863
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Sodium selenite ameliorates dextran sulfate sodium-induced chronic colitis in
mice by decreasing Th1, Th17, and ??T and increasing CD4(+)CD25(+) regulatory
T-cell responses
#MMPMID28638225
Sang LX
; Chang B
; Zhu JF
; Yang FL
; Li Y
; Jiang XF
; Wang DN
; Lu CL
; Sun X
World J Gastroenterol
2017[Jun]; 23
(21
): 3850-3863
PMID28638225
show ga
AIM: To assess the effect of sodium selenite on the severity of dextran sulfate
sodium (DSS)-induced colitis in C57BL/6 mice. METHODS: Mice were randomly divided
into four groups (n = 10/group): normal group, selenium (Se) group, chronic
colitis group, and Se + chronic colitis group. The mice were sacrificed on day
26. Survival rates, clinical symptoms, colon length, and histological changes
were determined. The percentages and absolute numbers of immune system cells in
the lamina propria lymphocytes (LPL) of the colon, the expression of mRNA in
colon tissue, and the concentrations of Th1, Th17, and Treg cytokines in LPL from
the large intestine, were measured. RESULTS: Se significantly ameliorated the
symptoms of colitis and histological injury (P < 0.05 each), increasing the
proportions of neutrophils and CD4(+) CD25(+) T cells (P < 0.05 each) and
decreasing the proportions of ??T cells, CD4(+), CD4(+)CD44(+), and CD4(+)
CD69(+) T cells in LPL (P < 0.05 each). Moreover, Se reduced the expression of
IL-6, IFN-?, IL-17A, IL-21, T-bet, and ROR?t (P < 0.05 each), but enhanced the
expression of IL-10 and Foxp3 (P < 0.05 each). CONCLUSION: These results suggest
that Se protects against DSS-induced chronic colitis perhaps by increasing the
number of CD4(+)CD25(+) Tregs that suppress the secretion of proinflammatory
cytokines and populations of Th1, Th17, and ??T cells.