ZHANG Jing,LI Yu,LEI Yuxin,et al.Regulatory Effect of Naoxintong Capsules on Short-chain Fatty Acids in Mice with Cerebral Ischemia-reperfusion Injury Based on LC-MS/MS[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(23):141-148.
ZHANG Jing,LI Yu,LEI Yuxin,et al.Regulatory Effect of Naoxintong Capsules on Short-chain Fatty Acids in Mice with Cerebral Ischemia-reperfusion Injury Based on LC-MS/MS[J].Chinese Journal of Experimental Traditional Medical Formulae,2024,30(23):141-148. DOI: 10.13422/j.cnki.syfjx.20241507.
Regulatory Effect of Naoxintong Capsules on Short-chain Fatty Acids in Mice with Cerebral Ischemia-reperfusion Injury Based on LC-MS/MS增强出版
To explore the mechanism of Naoxintong capsules' intervention in cerebral ischemia-reperfusion by building a mouse cerebral ischemia-reperfusion model based on short-chain fatty acids.
Method
2
C57BL/6J male mice were randomly divided into the sham group, model group, Naoxintong group (158.9 mg∙kg
-1
), and Ginaton group (12.1 mg∙kg
-1
) according to the random number table method. The model of cerebral ischemia-reperfusion (MCAO/R) was prepared via the filament occlusion method. The effect of Naoxintong capsules on brain injury in MCAO/R mice was evaluated by the neuroethological score, cerebral infarction area determination, Nissl staining, and immunofluorescence staining. Hematoxylin-eosin (HE) staining and Western blot were employed to evaluate the effect of Naoxintong capsules on the intestinal barrier in MCAO/R mice. The content of short-chain fatty acids in mouse feces was detected by LC-MS/MS.
Result
2
Compared to the sham group, the model group exhibited significant increases in the
cerebral infarction area, neuroethological score, and cell apoptosis rate (
P
<
0.01), with a notable decrease in the number of Nissl bodies (
P
<
0.01). The protein expression levels of Claudin-1 and Occludin were significantly reduced (
P<
0.05). Compared with the model group, the intervention of Naoxintong capsules significantly decreased the cerebral infarction area (
P
<
0.05) and improved the neuroethological score (
P
<
0.01) and cell apoptosis rate (
P<
0.01), with the number of Nissl bodies (
P
<
0.01) and expression levels of Claudin-1 and Occludin proteins (
P
<
0.01) increased. LC-MS/MS results showed that compared to the sham group, the model group featured a significantly reduced content of acetic acid, propionic acid, and butyric acid in feces (
P
<
0.01), while valeric acid, isovaleric acid, and isobutyric acid levels were increased (
P
<
0.01). The intervention of Naoxintong capsules notably lowered the content of valeric acid, isovaleric acid, and isobutyric acid (
P
<
0.01).
Conclusion
2
Naoxintong capsules can improve brain and intestinal barrier damage and play a protective role in cerebral ischemia-reperfusion by regulating the content of short-chain fatty acids.
关键词
Keywords
references
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