Yu YOU, Yu-hui LIU, Lin LI, et al. Effect of Shenling Baizhu San on Murine Model of IBD Induced by DSS in Mice by Regulating Autophagy[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(5): 43-49.
DOI:
Yu YOU, Yu-hui LIU, Lin LI, et al. Effect of Shenling Baizhu San on Murine Model of IBD Induced by DSS in Mice by Regulating Autophagy[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(5): 43-49. DOI: 10.13422/j.cnki.syfjx.20190504.
Effect of Shenling Baizhu San on Murine Model of IBD Induced by DSS in Mice by Regulating Autophagy
To investigate the mechanism of Shenling Baizhu San (SLBZS) in treating dextra sulfate sodium (DSS)-induced inflammatory bowel disease (IBD) mice and its relationship with autophagy.
Method:
2
SPF BALB/c mice were randomly divided into control group
model group
mesalazine group
low
medium and high-dose SLBZS groups
and autophagy inducer rapamycin group.The IBD mice were fed with 5% DSS in their drinking water for 7 days
and the control mice received only water.SLBZS groups were given SLBZS at doses of 3
6
12g·kg
-1
·d
-1
positive group was given mesalazine sustained release granules at the dose of 2g·kg
-1
·d
-1
rapamycin group was given rapamycin at the dose of 4mg·kg
-1
·d
-1
and control mice was given the same volume of normal saline by gavage.The mice weight
stool occult blood in stool
score of disease activity (DAI)
pathological examination of intestinal mucosal lesions integral were observed after 7 days. interleukin(IL)-8 and IL-10 in serum were detected by enzyme-linked immuno sorbent assay(ELISA)
vascular tissue samples were prepared for the detection of tumor neorosis factor-(TNF-
α
) and IL-1
β
and transmission electron microscope and Western blot were used to detect the formation of autophagosomes and the level of autophagy.
Result:
2
The body mass decrease
the colon length
disease activity scoring
and histological scoring of SLBZS group were better than those of DSS group. Compared with control group
the level of IL-10 decreased
while the level of IL-8 increased obviously (
P
<
0.01)
IL-1 and TNF-
α
expressions significantly up-regulated(
P
<
0.01)
the formation of autophagosome decreased
and LC3-Ⅱ/Ⅰ level down-regulated. Compared with IBD group
SLBZS group showed increase in formation of autophagosome and LC3-Ⅱ/Ⅰ and IL-10
decrease in IL-8(
P
<
0.05
P
<
0.01)
and down-regulation in IL-1 and TNF-
α
expressions(
P
<
0.01). These results were observed in mesalazine group and rapamycin group.
Conclusion:
2
Shenling Baizhu San can significantly inhibit the IBD by regulating autophagy and suppressing inflammation.
关键词
Keywords
references
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