RGD Reference Report - Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica - Rat Genome Database

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Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Authors: Lu, M  Zhou, J  Wang, F  Liu, Y  Zhang, Y 
Citation: Lu M, etal., Zhongguo Zhong Yao Za Zhi. 2009 Jan;34(1):84-8.
RGD ID: 2308888
Pubmed: PMID:19382458   (View Abstract at PubMed)

OBJECTIVE: To study effect and mechanisms of tetramethylpyrazine (TMP) on renal interstitial fibrosis induced by unilateral ureteral obstruction in rats. METHOD: Eighteen male Sprague-Dawley rats were randomly divided into sham-operated group, model group and TMP group, 6 in each group. The model of renal interstitial fibrosisi was established in rats by unilateral ureteral obstruction. All rats were killed at the end of the 3rd week after treatment. Pathological change and collagen deposition of the kidneys in rats were observed with HE staining and Masson's collagen staining, respectively. The contents of procollagen III N-terminal peptide and TGF-beta 1 in renal tissue homogenates were tested by radioimmunoassay and ELISA, respective. Protein expression levels of Smad 7 and the Smad transcriptional corepressors SnoN in the obstructed kidney were analyzed by Western blotting. RESULT: Pathological examination of the kidneys in the model group showed renal tubule atrophied and lumens expanded, tubular interstitium broadened, large amount of collagen interstitial deposited. The contents of procollagen III N-terminal peptide and TGF-beta 1 were higher and the protein expression levels of Smad7 and SnoN were significantly lower than those in the sham-operated group. Compared with the model group, TMP ameliorated the pathological lesion of the obstructed kidney, decreased the procollagen III N-terminal peptide and TGF-beta 1 contents, significantly increased the expression levels of Smad7 and SnoN protein. CONCLUSION: TMP can evidently resist renal interstitial fibrosis induced by UUO in rats, which might be related with down-regulation of the contents of TGF-beta 1, which is a potent profibrosis cytokine, meanwhile up-regulation of the protein expression levels of Smad7 and SnoN in renal tissue.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
SKILHumanureteral obstruction  ISORGD:621399protein:decreased expression:kidneyRGD 
SkilRatureteral obstruction  IEP protein:decreased expression:kidneyRGD 
SkilMouseureteral obstruction  ISORGD:621399protein:decreased expression:kidneyRGD 

Objects Annotated

Genes (Rattus norvegicus)
Skil  (SKI-like proto-oncogene)

Genes (Mus musculus)
Skil  (SKI-like)

Genes (Homo sapiens)
SKIL  (SKI like proto-oncogene)


Additional Information