ZHONG Yi~, ZHAO Zhi-ming, LU Ying-jie, et al. Effect of "Weichangshu" on Gastro Smooth Muscle Cells in Rats of Diabetic Gastroparesis Model[J]. Chinese journal of experimental traditional medical formulae, 2009, 15(9): 71-77.
ZHONG Yi~, ZHAO Zhi-ming, LU Ying-jie, et al. Effect of "Weichangshu" on Gastro Smooth Muscle Cells in Rats of Diabetic Gastroparesis Model[J]. Chinese journal of experimental traditional medical formulae, 2009, 15(9): 71-77. DOI: 10.13422/j.cnki.syfjx.2009.09.023.
Effect of "Weichangshu" on Gastro Smooth Muscle Cells in Rats of Diabetic Gastroparesis Model
Objective:To study the effect of "Weichangshu" and medical interfering on blood flow and gastro smooth muscle cells in rats of diabetic gastroparesis model.Methods: One hundred thirty-one male SD rats(SPF class) were randomly divided into the control group(10 rats)
model group(22 rats)
ethamsylate group(33 rats)
lumbrukinase group(33 rats) and WCS group(33 rats).Rats were intraperitoneally injected streptozotocin(STZ) solution(60 mg·kg
-1
).After seven days
we established blood sugar more than or equal to 16.7 mmol·L
-1
as experimental standard.Rats in the WCS group were treated by traditional Chinese medicine "WCS". So rats in the ethamsylate group treated by ethamsylate injection
rats in the lumbrukinase group treated by lumbrukinase enteric-coated capsules
rats in the control group and rats in the model group were treated by distilled water one time per day.After having been observed for 30 weeks
blood sugar
FINS
C-P and gastric fluid emptying rate were determined.Subsequently
samples of sinus ventriculi were made HE staining
Mallory staining and immunohistichemistry staining.Pathological lesion of gastric smooth muscle cells(SMC) was examined microscopically.Other sample of sinus ventriculi was made up electron microscopic specimen so as to know pathological lesion of ultrastructure of SMC through transmission electron microscope.Results: After 30 weeks
in the model group
endochylema of gastro smooth muscle cells were degenerated.The apoptotic index of SMC in rats of the model group was(24.33±2.34)% determined by TUNEL method
there was significantly difference compared with rats of the control group(P
<
0.01).Protein expression of Bcl-2 in SMC was reduced in rats of the model group
but protein expression of Fas was overexpression
there was significantly difference compared with rats of the control group(P
<
0.01).However
pathological lesion of gastro smooth muscle was obviously improved in rats of the WCS group and in rats of the lumbrukinase group.But in rats of the ethamsylate group pathological lesion of gastro smooth muscle was more serious.Conclusion:There were pathological Changes in gastric smooth muscle cells(SMC)in rats of diabetic gastroparesis model.Medicinal interfering in blood flow had the effect on gastric SMC pathology in rats of diabetic gastroparesis model."WCS" could decrease blood sugar and improve gastric SMC pathology and accelerate gastrointestinal motility.
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Related Author
ZHONG Yi
ZHAO Zhi-ming
LU Ying-jie
LIAN Zhi-cheng
MIAO Linlin
WAN Shengfang
ZHANG Lei
LI Rongke
Related Institution
School of Basic Medicine, Gansu University of Chinese Medicine
Gansu Key Laboratory of Traditional Chinese Medicine Formula Innovation and Transformation
Key Laboratory of Dunhuang Medicine, Ministry of Education, Gansu University of Chinese Medicine
Hebei Province Hospital of Traditional Chinese Medicine