Effect of Yishen Huayu Fang on kidney tissue E-cadherin expression in unilateral ureter ligation in rats

OBJECTIVE:To observe E-calcium sticky protein(E-cadherin) expression in kidney tissues in a rat model of unilateral ureter ligation and the effect of Yishen Huayu Fang(formula of tonifying the kidney and dissolving accumulated blood stasis) on the expression.METHODS:A total of 150 clean grade male r...

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Published inJournal of Traditional Chinese Medicine Vol. 32; no. 2; pp. 273 - 277
Main Author 张琳琪 李伟明 孙伟
Format Journal Article
LanguageEnglish
Published China 01.06.2012
Subjects
Online AccessGet full text
ISSN0255-2922
0254-6272
DOI10.1016/S0254-6272(13)60024-2

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Abstract OBJECTIVE:To observe E-calcium sticky protein(E-cadherin) expression in kidney tissues in a rat model of unilateral ureter ligation and the effect of Yishen Huayu Fang(formula of tonifying the kidney and dissolving accumulated blood stasis) on the expression.METHODS:A total of 150 clean grade male rats were randomly divided into a control group,model group,low-dose Yishen Huayu Fang group(low-dose group),high-dose Yishen Huayu Fang group(high-dose group),and Lotensin group.A renal fibrosis model was established with unilateral ureteral obstruction(UUO).Pathological changes of rat renal tissue were observed with light microscopy on days 3,7,14,21,and 28 after UUO.Changes in kidney tissue E-cadherin expression were observed with immunohistochemistry.RESULTS:Three days after modeling,kidney edema appeared followed by gradual inflammatory cell infiltration,and part of the small tubules disappeared while the renal cortex thinned.Meanwhile,the E-cadherin expression level dropped,which was negatively correlated with the obstruction time.After intervention,E-cadherin expression was increased in all treatment groups(P〈0.01 or P〈0.05),while there were no significant differences between the high-dose and Lotensin groups.CONCLUSION:Yishen Huayu Fang delays the renal fibrosis process by promoting E-cadherin expression in renal tissues and reducing extracellular matrix deposition.
AbstractList OBJECTIVE:To observe E-calcium sticky protein(E-cadherin) expression in kidney tissues in a rat model of unilateral ureter ligation and the effect of Yishen Huayu Fang(formula of tonifying the kidney and dissolving accumulated blood stasis) on the expression.METHODS:A total of 150 clean grade male rats were randomly divided into a control group,model group,low-dose Yishen Huayu Fang group(low-dose group),high-dose Yishen Huayu Fang group(high-dose group),and Lotensin group.A renal fibrosis model was established with unilateral ureteral obstruction(UUO).Pathological changes of rat renal tissue were observed with light microscopy on days 3,7,14,21,and 28 after UUO.Changes in kidney tissue E-cadherin expression were observed with immunohistochemistry.RESULTS:Three days after modeling,kidney edema appeared followed by gradual inflammatory cell infiltration,and part of the small tubules disappeared while the renal cortex thinned.Meanwhile,the E-cadherin expression level dropped,which was negatively correlated with the obstruction time.After intervention,E-cadherin expression was increased in all treatment groups(P〈0.01 or P〈0.05),while there were no significant differences between the high-dose and Lotensin groups.CONCLUSION:Yishen Huayu Fang delays the renal fibrosis process by promoting E-cadherin expression in renal tissues and reducing extracellular matrix deposition.
To observe E-calcium sticky protein (E-cadherin) expression in kidney tissues in a rat model of unilateral ureter ligation and the effect of Yishen Huayu Fang (formula of tonifying the kidney and dissolving accumulated blood stasis) on the expression.OBJECTIVETo observe E-calcium sticky protein (E-cadherin) expression in kidney tissues in a rat model of unilateral ureter ligation and the effect of Yishen Huayu Fang (formula of tonifying the kidney and dissolving accumulated blood stasis) on the expression.A total of 150 clean grade male rats were randomly divided into a control group, model group, low-dose Yishen Huayu Fang group (low-dose group), high-dose Yishen Huayu Fang group (high-dose group), and Lotensin group. A renal fibrosis model was established with unilateral ureteral obstruction (UUO). Pathological changes of rat renal tissue were observed with light microscopy on days 3, 7, 14, 21, and 28 after UUO. Changes in kidney tissue E-cadherin expression were observed with immunohistochemistry.METHODSA total of 150 clean grade male rats were randomly divided into a control group, model group, low-dose Yishen Huayu Fang group (low-dose group), high-dose Yishen Huayu Fang group (high-dose group), and Lotensin group. A renal fibrosis model was established with unilateral ureteral obstruction (UUO). Pathological changes of rat renal tissue were observed with light microscopy on days 3, 7, 14, 21, and 28 after UUO. Changes in kidney tissue E-cadherin expression were observed with immunohistochemistry.Three days after modeling, kidney edema appeared followed by gradual inflammatory cell infiltration, and part of the small tubules disappeared while the renal cortex thinned. Meanwhile, the E-cadherin expression level dropped, which was negatively correlated with the obstruction time. After intervention, E-cadherin expression was increased in all treatment groups (P < 0.01 or P < 0.05), while there were no significant differences between the high-dose and Lotensin groups.RESULTSThree days after modeling, kidney edema appeared followed by gradual inflammatory cell infiltration, and part of the small tubules disappeared while the renal cortex thinned. Meanwhile, the E-cadherin expression level dropped, which was negatively correlated with the obstruction time. After intervention, E-cadherin expression was increased in all treatment groups (P < 0.01 or P < 0.05), while there were no significant differences between the high-dose and Lotensin groups.Yishen Huayu Fang delays the renal fibrosis process by promoting E-cadherin expression in renal tissues and reducing extracellular matrix deposition.CONCLUSIONYishen Huayu Fang delays the renal fibrosis process by promoting E-cadherin expression in renal tissues and reducing extracellular matrix deposition.
To observe E-calcium sticky protein (E-cadherin) expression in kidney tissues in a rat model of unilateral ureter ligation and the effect of Yishen Huayu Fang (formula of tonifying the kidney and dissolving accumulated blood stasis) on the expression. A total of 150 clean grade male rats were randomly divided into a control group, model group, low-dose Yishen Huayu Fang group (low-dose group), high-dose Yishen Huayu Fang group (high-dose group), and Lotensin group. A renal fibrosis model was established with unilateral ureteral obstruction (UUO). Pathological changes of rat renal tissue were observed with light microscopy on days 3, 7, 14, 21, and 28 after UUO. Changes in kidney tissue E-cadherin expression were observed with immunohistochemistry. Three days after modeling, kidney edema appeared followed by gradual inflammatory cell infiltration, and part of the small tubules disappeared while the renal cortex thinned. Meanwhile, the E-cadherin expression level dropped, which was negatively correlated with the obstruction time. After intervention, E-cadherin expression was increased in all treatment groups (P < 0.01 or P < 0.05), while there were no significant differences between the high-dose and Lotensin groups. Yishen Huayu Fang delays the renal fibrosis process by promoting E-cadherin expression in renal tissues and reducing extracellular matrix deposition.
Author 张琳琪 李伟明 孙伟
AuthorAffiliation The First Clinical Medical College of Nanjing University of Traditional Chinese Medicine, Nanjing, Ji-angsu 210046, China TCM Internal Medicine Discipline, The Henan Institute of Traditional Chinese Medicine, Zhengzhou, Henan 450008, China
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Notes Yishen Huayu Fang Formula of tonifying the kidney and dissolving accumulated blood stasis Renal fibrosis Unilateral ureter ligation E-calcium mucin
11-2167/R
OBJECTIVE:To observe E-calcium sticky protein(E-cadherin) expression in kidney tissues in a rat model of unilateral ureter ligation and the effect of Yishen Huayu Fang(formula of tonifying the kidney and dissolving accumulated blood stasis) on the expression.METHODS:A total of 150 clean grade male rats were randomly divided into a control group,model group,low-dose Yishen Huayu Fang group(low-dose group),high-dose Yishen Huayu Fang group(high-dose group),and Lotensin group.A renal fibrosis model was established with unilateral ureteral obstruction(UUO).Pathological changes of rat renal tissue were observed with light microscopy on days 3,7,14,21,and 28 after UUO.Changes in kidney tissue E-cadherin expression were observed with immunohistochemistry.RESULTS:Three days after modeling,kidney edema appeared followed by gradual inflammatory cell infiltration,and part of the small tubules disappeared while the renal cortex thinned.Meanwhile,the E-cadherin expression level dropped,which was negatively correlated with the obstruction time.After intervention,E-cadherin expression was increased in all treatment groups(P〈0.01 or P〈0.05),while there were no significant differences between the high-dose and Lotensin groups.CONCLUSION:Yishen Huayu Fang delays the renal fibrosis process by promoting E-cadherin expression in renal tissues and reducing extracellular matrix deposition.
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SubjectTerms Animals
Cadherins - analysis
Dose-Response Relationship, Drug
Drugs, Chinese Herbal
Fibrosis
Immunohistochemistry
Kidney - chemistry
Kidney - pathology
Male
Medicine, Chinese Traditional
Rats
Rats, Sprague-Dawley
Ureteral Obstruction - drug therapy
Ureteral Obstruction - metabolism
免疫组化法
单侧
大鼠模型
显微镜观察
结扎
肾组织
肾间质纤维化
输尿管
Title Effect of Yishen Huayu Fang on kidney tissue E-cadherin expression in unilateral ureter ligation in rats
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