Li-na MA, Jian LI, Si-di LI, et al. Mechanism of Dichroa Alkali Salt Inducing Vomiting Based on Pica in Mice. [J]. Chinese Journal of Experimental Traditional Medical Formulae 25(22):34-41(2019)
DOI:
Li-na MA, Jian LI, Si-di LI, et al. Mechanism of Dichroa Alkali Salt Inducing Vomiting Based on Pica in Mice. [J]. Chinese Journal of Experimental Traditional Medical Formulae 25(22):34-41(2019) DOI: 10.13422/j.cnki.syfjx.20191722.
Mechanism of Dichroa Alkali Salt Inducing Vomiting Based on Pica in Mice
To study the possible mechanism of dichroa alkali salt (DAS) in inducing vomiting.
Method:
2
Mice pica model was used to observe the antagonistic effect of the three different kinds of antiemetic drugs [dopamine receptor antagonist metoclopramide
5-hydroxytryptamine 3 (5-HT
3
) receptor antagonist ondansetron and neurokinin-1 receptor antagonist aprepitant]
on body mass
food intake
kaolin consumption
diarrhea and death induced by DAS to preliminarily clarify the possible pathogenic pathway of DAS. Then
the expression of 5-HT and substance P(SP) in ileum and medulla of mice induced by DAS alone at different time points was detected by enzyme-linked immunosorbent assay to confirm whether DAS could affect the changes of these two neurotransmitters.
Result:
2
After treatment with ondansetron and aprepitant
DAS-induced reduction in food intake of mice was significantly improved on the 4
th
day after continuous administration and on the 1
st
day after drug administration (
P
<
0.01)
since the 3
rd
day after administration
DAS-induced body mass loss of mice was significantly improved (
P
<
0.01)
and DAS-induced diarrhea and mortality in mice were significantly reduced
while DAS-induced pica in mice was effectively antagonized. However
metoclopramide did not significantly improve the above indicators. Further detection of vomiting-related neurotransmitters found that compared with the blank group
the expressions of 5-HT at 4 h
12 h and SP at 48 h after treatment with DAS were significantly increased in ileum and medulla of mice.
Conclusion:
2
The mice pica model can be used to effectively characterize DAS-induced vomiting. DAS-induced pica in mice may be associated with the increase of 5-HT and SP in ileum and medulla. Ondansetron and aprepitant can effectively antagonize DAS-induced pica in mice.
关键词
常山碱盐呕吐作用小鼠异食癖配伍镇吐药
Keywords
dichroa alkali saltvomitingpica in micecompatibilityantiemetic drug
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