Résumé
OBJECTIVES@#To investigate the protective effects and potential mechanisms of Shenhua Tablet (, SHT) on the toll-like receptors (TLRs)-mediated signaling pathways in a rat model of kidney ischemia-reperfusion injury (IRI).@*METHODS@#Sixty male Wistar rats were randomly divided into 5 groups: sham surgery, model control, astragaloside (150 mg•kg•d), low- and high-dose SHT (1.5 and 3.0 g•kg•d, repectively) groups. One week after drug treatment, rats underwent surgery to establish the IRI models. At 24 h and 72 h after the modeling, serum creatinine (Scr) and blood urea nitrogen (BUN) were analyzed; pathological damage were scored after periodic acid-Schiffstaining. TLR2, TLR4 and myeloid differentiation factor 88 (MyD88) protein and mRNA expressions were detected by inmmunohistochemistry, Western blot and qPCR. Tumor necrosis factor α (TNF-α) and interleukin-6 (IL-6) protein expressions were detected by enzyme linked immunosorbent assay.@*RESULTS@#Compared with the sham group, the model group exhibited severe change in renal function (Scr: 189.42±21.50, P<0.05), pathological damage (damage score: 4.50±0.55, P<0.05), and the expression levels of TLR2, TLR4, MyD88, TNF-α, IL-6 were significantly higher than other groups. Meanwhile, the levels of TLRs in model group showed upward tendency from 24 to 72 h, unparalleled with pathological and functional changes. The aforementioned parameters were alleviated to a certain extent, and, in addition to TLRs, presented the obvious downward trending from the 24 to 72 h after the intervention in the SHT and astragaloside groups relative to the model (P<0.05); in particular, the most significant mitigation of these changes was observed in the SHT-H group (P<0.05).@*CONCLUSION@#TLRs may be an important spot to treat and research in acute kidney injury. SHT could effectively mitigate renal injuries and promote recovery of IRI injuries through suppression of degeneration induced by up-regulation of TLR2 and TLR4 expression levels in the MyD88-dependent signaling pathway and exhibit some dose dependence.
Sujets)
Animaux , Mâle , Rats , Modèles animaux de maladie humaine , Médicaments issus de plantes chinoises , Pharmacologie , Rein , Facteur de différenciation myéloïde-88 , Génétique , Rat Wistar , Lésion d'ischémie-reperfusion , Transduction du signal , Comprimés , Récepteurs de type Toll , GénétiqueRésumé
The present study was designed to determine the mechanism underlying the treatment of nephrotic syndrome using astragaloside by observing the effects of astragaloside on the expression of nephrin and podocin proteins and genes in kidneys of rats with adriamycin nephropathy. The rats were injected with adriamycin and, after successful model establishment, randomly divided into a model group, a Methylprednisolone (MP) group, and an astragaloside group. The 24-h complete urine samples were collected. Biochemical indicators were monitored, and kidney tissues were collected for pathological analysis using light microscopy and electron microscopy. The mRNA expression of nephrin and podocin was measured in the kidney tissues using the real-time qPCR, and the protein expression levels of nephrin and podocin were detected using Western blot analysis. At the end of 12 weeks of drug intervention, the urinary protein level was lower in the MP and astragaloside groups than that in the model group (P = 0.008 and P = 0.01, respectively). Serum albumin was higher in the MP and astragaloside groups than in the model group (P < 0.001 and P = 0.012, respectively). Podocytes in the MP group were nearly normal, and fusion of podocytes in the astragaloside group was significantly less than that in the control group. The nephrin and podocin mRNA and protein expression levels in the intervention groups were higher (P < 0.05) than that in the model group. Due to the increased expression of podocyte-related nephrin and podocin proteins, astragaloside maintained slit diaphragm integrity and decreased the level of proteinuria in rats with adriamycin nephropathy.
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Animaux , Humains , Mâle , Rats , Astragalus , Chimie , Doxorubicine , Médicaments issus de plantes chinoises , Glucosides , Rein , Métabolisme , Maladies du rein , Traitement médicamenteux , Podocytes , Métabolisme , Rat Sprague-Dawley , Rat WistarRésumé
<p><b>OBJECTIVE</b>To study the prevention effect of salidroside on contrast-induced-nephropathy (CIN) and its underlying mechanism.</p><p><b>METHODS</b>A total of 24 Wistar rats were randomly divided into 4 groups with 6 in each group. Rats were firstly administrated with normal saline (control and model groups), N-acetylcysteine (NAC, NAC group) and salidroside (salidroside group) for 7 days before model establishment in each group, respectively. Histopathological analysis was performed by periodic acid-Schiff (PAS) staining. Oxidative stress related parameters including superoxide dismutase (SOD) and methane dicarboxylic aldehyde (MDA), nitric oxide (NO), angiotensin II (Ang II), 8-hydroxy-2'-deoxyguanosine (8-OHdG), mRNA and protein levels of endothelial nitric oxide synthase (eNOS), and nitric oxide synthase (NOS) activity were measured.</p><p><b>RESULTS</b>Compared with the control group, the levels of MDA, Ang II and 8-OHdG were all significantly increased and levels of SOD, NO, and eNOS mRNA and protein were decreased significantly in the model group (P<0.05). Meanwhile, the NOS activity was also significantly decreased in the model group (P<0.05). In addition, the levels of these parameters were all improved in the NAC (P<0.05) and salidroside groups and no significant different was found between these two groups (P>0.05).</p><p><b>CONCLUSION</b>Salidroside can be the potential substitute of NAC to prevent CIN. The underlying mechanism may be associated with oxidative stress damage caused by contrast agents.</p>
Sujets)
Animaux , Rats , Acétylcystéine , Pharmacologie , Produits de contraste , Cytoprotection , Glucosides , Pharmacologie , Rein , Anatomopathologie , Maladies du rein , Stress oxydatif , Phénols , Pharmacologie , Rat Wistar , Transduction du signalRésumé
<p><b>OBJECTIVE</b>To evaluate the efficacy and safety of Flos Abelmoschus manihot (Malvaceae) on type 2 diabetic nephropathy (DN).</p><p><b>METHODS</b>The Cochrane Library, PubMed/MEDLINE, Excerpta Medical Database, Chinese electronic literature databases, and the references of relevant articles were searched in March 2012 for randomized controlled trials (RCTs) that reported the effects of Flos A. manihot on type 2 DN patients with overt but subnephrotic-range proteinuria (500-3,500 mg/24 h). The quality of trials was evaluated using the Cochrane-recommended method. The results were summarized as risk ratios (RRs) for dichotomous outcomes or mean differences (MDs) for continuous outcomes.</p><p><b>RESULTS</b>Seven trials (531 patients) were included. Flos A. manihot significantly decreased proteinuria [MD -317.32 mg/24 h, 95% confidence interval (CI) [-470.48, -164.17],P<0.01]. After excluding a trial that only included patients with well-preserved renal function, Flos A. manihot was associated with a significant decrease in serum creatinine (MD -11.99 μmol/L, 95% CI [-16.95, -7.04],P<0.01). Serious adverse events were not observed. The most common adverse event was mild to moderate gastrointestinal discomfort; however, patients receiving this herb did not have an increased risk for tolerated gastrointestinal discomfort (RR 1.48, 95% CI [0.39, 5.68],P=0.57).</p><p><b>CONCLUSIONS</b>Flos A. manihot may be considered as an important adjunctive therapy with the first-line and indispensable therapeutic strategies for type 2 DN. High-quality RCTs are urgently needed to confirm the effect of Flos A. manihot on definite endpoints such as end-stage renal disease.</p>
Sujets)
Humains , Abelmoschus , Chimie , Essais cliniques comme sujet , Diabète de type 2 , Traitement médicamenteux , Néphropathies diabétiques , Traitement médicamenteux , Fleurs , Chimie , Extraits de plantes , Utilisations thérapeutiques , Protéinurie , Biais de publication , Résultat thérapeutiqueRésumé
<p><b>OBJECTIVE</b>To observe the effect of Compound Shenhua Tablet (, SHT) on the sodium-potassium- exchanging adenosinetriphosphatase (Na(+)-K(+)-ATPase) in the renal tubular epithelial cells of rats with acute ischemic reperfusion and to investigate the mechanisms underlying the effects of SHT on renal ischemic reperfusion injury (RIRI).</p><p><b>METHODS</b>Fifty male Wistar rats were randomly divided into the sham surgery group, model group, astragaloside group [150 mg/(kg·d)], SHT low-dose group [1.5 g/(kg·d)] and SHT high-dose group [3.0 g/(kg·d)], with 10 rats in each group. After 1 week of continuous intragastric drug administration, surgery was performed to establish the model. At either 24 or 72 h after the surgery, 5 rats in each group were sacrificed, blood biochemistry, renal pathology, immunoblot and immunohistochemical examinations were performed, and double immunofluorescence staining was observed under a laser confocal microscope.</p><p><b>RESULTS</b>Compared with the sham surgery group, the serum creatinine (SCr) and blood urea nitrogen (BUN) levels were significantly increased, Na(+)-K(+)-ATPase protein level was decreased, and kidney injury molecule-1 (KIM-1) protein level was increased in the model group after the surgery (P<0.01 or P<0.05). Compared with the model group, the SCr, BUN, pathological scores, Na(+)-K(+)-ATPase, and the KIM-1 protein level of the three treatment groups were significantly improved at 72 h after the surgery (P<0.05 or P<0.01). And the SCr, BUN of the SHT low- and high-dose groups, and the pathological scores of the SHT high-dose group were significantly lower than those of the astragaloside group (P<0.05). The localizations of Na(+)-K(+)-ATPase and megalin of the model group were disrupted, with the distribution areas overlapping with each other and alternately arranged. The severity of the disruption was slightly milder in three treatment groups compared with that of the model group. The results of immunofluorescence staining showed that the SHT high-dose group had a superior effect as compared with the astragaloside group and the SHT low-dose group.</p><p><b>CONCLUSIONS</b>The SHT effectively alleviated RIRI caused by ischemic reperfusion, promoted the recovery of the polarity of renal tubular epithelial cells, and protected the renal tubules. The therapeutic effects of SHT were superior to those of astragaloside as a single agent.</p>
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Animaux , Mâle , Rats , Maladie aigüe , Azote uréique sanguin , Molécules d'adhérence cellulaire , Métabolisme , Chromatographie en phase liquide , Créatinine , Sang , Médicaments issus de plantes chinoises , Pharmacologie , Utilisations thérapeutiques , Technique d'immunofluorescence , Immunotransfert , Tests de la fonction rénale , Tubules rénaux , Anatomopathologie , Protéine-2 apparentée au récepteur des LDL , Métabolisme , Rat Wistar , Lésion d'ischémie-reperfusion , Traitement médicamenteux , Anatomopathologie , Saponines , Sodium-Potassium-Exchanging ATPase , Métabolisme , Coloration et marquage , ComprimésRésumé
<p><b>OBJECTIVE</b>To investigate the potential of renal pathological index as a differential diagnosis factor for Chinese medicine (CM) syndromes typing in IgA nephropathy (IgAN).</p><p><b>METHODS</b>A total of 1,016 patients with IgAN was recruited from November 2001 to November 2004. All the signs and symptoms including picture of the tongue and pulse tracings were collected. All patients were typed according to the CM syndrome typing scheme for chronic primary glomerulopathy. The severity of glomerulus and tubulointerstitial lesions (mild, moderate-severe) were evaluated using lee's grading system and the Katafuchi score system.</p><p><b>RESULTS</b>The syndrome types transform in turn by deficiency of both the Spleen (Pi) and Lung (Fei) qi, deficiency of both qi and yin, deficiency of Liver (Gan) and Kidney (Shen) yin and deficiency of Spleen-Kidney (Shen) yang, with the aggravation of pathogenetic condition and that the manifestation of deficiency of qi clinically showed proliferative lesion of glomerular mesangium, while the glomerular sclerosis pathologically showed the manifestation of yin deficiency.</p><p><b>CONCLUSION</b>Renal pathological findings may be a candidate of objective factors to refine CM syndrome typing process.</p>
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Adolescent , Adulte , Sujet âgé , Enfant , Enfant d'âge préscolaire , Femelle , Humains , Mâle , Adulte d'âge moyen , Jeune adulte , Glomérulonéphrite à dépôts d'IgA , Classification , Allergie et immunologie , Anatomopathologie , Thérapeutique , Rein , Anatomopathologie , Glomérule rénal , Anatomopathologie , Médecine traditionnelle chinoise , Artère rénale , Anatomopathologie , SyndromeRésumé
<p><b>BACKGROUND</b>It has been suggested that glycated hemoglobin (HbA1c) underestimate the actual glycemic control levels in maintenance hemodialysis (MHD) patients, because of anemia and the using of erythropoietin (EPO); it was recommended that glycated albumin (GA) should be an alternative marker. Therefore, the assessment performances of glycemic control were compared between GA and HbA1c in this research by referring to mean plasma glucose (MPG) in diabetes mellitus (DM) patients undergoing MHD or not.</p><p><b>METHODS</b>MPG was calculated according to the data registered at enrollment and follow-up 2 months later and corresponding HbA1c, albumin (ALB), GA, etc. were measured in 280 cases. A case-control study for comparing GA and HbA1c was done among the groups of MHD patients with DM (n=88) and without DM (NDM; n=90), and non-MHD ones with DM (n=102) using MPG for an actual glycemic control standard.</p><p><b>RESULTS</b>In these 3 groups, only for DM patients' (whether undergoing MHD or not), GA and HbA1c correlated with MPG significantly (P < 0.01). Through linear regression analysis, it could be found that the regression curves of GA almost coincided in MHD and non-MHD patients with DM, because the intercepts (2.418 vs. 2.329) and slopes (0.053 vs. 0.057) were very close to each other. On the contrary, regression curves of HbA1c did not coincide in the two groups, because variance of the slopes (0.036 vs. 0.052) were relatively large. Through comparing receiver operating characteristic (ROC) areas under the curve (AUC), it could be understood that the assessment performances of GA and HbA1c in MHD patients were lower than those in non-MHD ones, and assessment performance of HbA1c in MHD patients was better than GA (P < 0.05). In addition, the effects of Hb and EPO dose on HbA1c, or that of ALB on GA were unobvious in our study.</p><p><b>CONCLUSIONS</b>Actual glycemic control level in MHD patients with DM may be underestimated by HbA1c, and it could be avoided by GA; however, glycemic evaluating performance of HbA1c may be still better than that of GA. Therefore, HbA1c should not be replaced completely although GA can be used as a choice to monitor glycemic level.</p>
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Adulte , Sujet âgé , Femelle , Humains , Mâle , Adulte d'âge moyen , Marqueurs biologiques , Métabolisme , Études cas-témoins , Diabète de type 2 , Métabolisme , Thérapeutique , Hémoglobine glyquée , Métabolisme , Dialyse rénale , Sérumalbumine , MétabolismeRésumé
<p><b>OBJECTIVE</b>To observe the renal protection effects of Compound Shenhua Tablet (CST) on diabetic nephropathy (DN) rats.</p><p><b>METHODS</b>DN rats were given a normal diet for 9 months after they were induced by intraperitoneal injection of STZ at the dose of 65 mg/kg after uninephrectomized. They were randomly divided into 4 groups, i. e., the normal control group, the model control group, the CST group, and the Irbesartan group. The intervention was given by gastrogavage for 6 weeks. The general state, 24 h urine protein, urine micro-albumin (mAlb), serum creatinine (SCr), blood urea nitrogen (BUN), glucose (GLU), triglyceride (TG), total cholesterol (TC), total protein (TP), and albumin (ALB) levels were observed before and after intervention. Renal pathological changes were observed by PAS staining and transmission electron microscope.</p><p><b>RESULTS</b>After 6 weeks of drug intervention, when compared with the model control group, the general state was improved in the CST group and the Irbesartan group. The levels of 24 h urine protein, urine mAlb, SCr, BUN, GLU, TG, and TC were obviously lower in the CST group and the Irbesartan group than in the model group as well as in the same group before treatment (P<0.05, P<0.01). There was no statistical difference between the two treatment groups (P>0.05). The renal pathological changes and the renal ultrastructure were improved to some degree in the two groups when compared with those in the model control group.</p><p><b>CONCLUSIONS</b>CST could attenuate the renal damage of diabetes and delay renal deterioration process. Its effectiveness was equivalent to that of Irbesartan.</p>
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Animaux , Mâle , Rats , Diabète expérimental , Traitement médicamenteux , Néphropathies diabétiques , Traitement médicamenteux , Médicaments issus de plantes chinoises , Pharmacologie , Rein , Phytothérapie , Rat Sprague-DawleyRésumé
<p><b>OBJECTIVE</b>To investigate the impact of a traditional Chinese medicinal compound known as Fufang Shenhua Tablet (SHP) on the expression of Toll-like receptors (TLRs) during renal ischemia-reperfusion injury (IRI)-induced acute kidney injury (AKI) in rats.</p><p><b>METHODS</b>A total of 28 Wistar rats were randomly divided into five groups: (1) pseudo-operation control group, (2) ischemia-reperfusion model group, (3) Astragaloside group, (4) high-dose SHP group, and (5) low-dose SHP group. There were four rats in the pseudo-operation group and six rats in each of the other groups. The accepted ischemia-reperfusion model was established after a 7-day gavage intervention, and pathological changes and renal function were observed, using an enzyme-linked immunosorbent assay (ELISA) to detect interleukin 8 (IL-8) and interferon gamma (IFN-γ) levels, as well as immunohistochemical staining to detect altered levels of TLR2 and TLR4 expression in renal tissue.</p><p><b>RESULTS</b>After 24 h, renal pathological damage and the expression levels of serum creatinine (Scr), IL-8, IFN-γ, TLR2, and TLR4 were significantly higher in the model group as compared with the pseudo-operation group (P<0.05). In addition, at 24 h the above indicators decreased significantly in the Astragaloside group, high-dose SHP group and low-dose SHP group as compared with the ischemia-reperfusion model group (P< 0.05). TLR2 and TLR4 expression levels were significantly reduced in the SHP treatment and Astragaloside group as compared with the pseudo-operation group (P<0.05). Further, the high-dose SHP group showed significantly less renal damage score and decreased levels of TLR expression than those of low-dose SHP group and Astragaloside group (all P<0.05).</p><p><b>CONCLUSION</b>SHP can alleviate the renal structural and functional damage caused by IRI-induced AKI in rats by reducing the damage of renal pathology, which may reduce inflammatory cytokine levels by downregulating the expression of TLRs in renal tissue in a dose-dependent manner.</p>
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Animaux , Mâle , Rats , Atteinte rénale aigüe , Métabolisme , Médicaments issus de plantes chinoises , Pharmacologie , Test ELISA , Immunohistochimie , Interféron gamma , Sang , Interleukine-8 , Sang , Tubules rénaux , Métabolisme , Rat Wistar , Lésion d'ischémie-reperfusion , Comprimés , Récepteur de type Toll-2 , Métabolisme , Récepteur de type Toll-4 , MétabolismeRésumé
The aim of this study was to investigate the immunological function regulated by Fufang Hongjingtian capsule (HJT) in mice. The mice were given ig HJT 25, 250 and 750 mg/kg, once daily, for 30 - 38 d, respectively. The mice in control group were given ig corresponding solvent. After the last time of administration, the immunological parameters of the mice were measured. The results showed that compared with negative control group, the delayed type hypersensitivity, spleen lymphocyte proliferation and number of spleen IgM antibody forming cells increased in HJT groups. In conclusion the HJT has the effect to improve the immunological functions of mice.
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Animaux , Femelle , Souris , Médicaments issus de plantes chinoises , Pharmacologie , Immunoglobuline M , Allergie et immunologie , Numération des lymphocytes , Lymphocytes , Biologie cellulaire , Lignées consanguines de souris , Rhodiola , Rate , Biologie cellulaire , Allergie et immunologieRésumé
The aim of this study was to investigate the protective effects of compound tianpupian (TPP) and its compositions against oxidative damage in mouse erythrocytes. The protective effect of TPP and its compositions against the red cell hemolysis induced by (2)O(2) or auto-oxidation were observed by scanning electron microscopy and spectrophotomety. The result indicated that compound TPP and all of its four components including extract of Rhodiola sachalinensis, Grape Seed Extract proanthocyanidins, Acanthopanax senticosus extract, and tea polyphenols had significant inhibitory activities for the oxidative damage of mouse erythrocytes, out of which the Grape seed extract proanthocyanidins showed the maximal protective effect. It is concluded that compound TPP can protect erythrocytes against oxidative stress and can be used as a valuable Chinese traditional medicine.
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Animaux , Souris , Antioxydants , Pharmacologie , Médicaments issus de plantes chinoises , Pharmacologie , Érythrocytes , Métabolisme , Extrait de pépins de raisin , Pharmacologie , Hémolyse , Souris de lignée ICR , Oxydoréduction , Stress oxydatif , Proanthocyanidines , Pharmacologie , RhodiolaRésumé
The aim of this study was to explore the protective effect of compound tianpupian (TPP) against (2)O(2)-induced the apoptosis of murine splenic lymphocytes and its mechanism. The cell apoptosis rate was detected by MTT method; the cell apoptosis and mitochondrial membrance potential were detected by flow cytometry (FCM) with Annexi-V/PI double staining and JC-1 staining method, respectively; and caspase 3 relative activity was determined by colorimetry. The results indicated that after treating with (2)O(2), the absorbance value of cultured lymphocytes and the red/green ratio of JC-1 were reduced, and the apoptotic rate and caspase 3 activity were increased, coculture of (2)O(2)-treated cells with compound TPP increased the cell absorbance ratio and red/green rate of JC-1, while reduced the apoptosis rate and caspase 3 activity. It is concluded that compound TPP alleviates intracellular oxidative damages and dose-dependently inhibited apoptosis of murine splenic lymphocytes through reducing mitochondrial membrane potential and inhibiting caspase 3 activity. This suggests that compound TPP is a potential anti-apoptotic agent.
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Animaux , Souris , Apoptose , Caspase-3 , Métabolisme , Médicaments issus de plantes chinoises , Pharmacologie , Extrait de pépins de raisin , Pharmacologie , Peroxyde d'hydrogène , Numération des lymphocytes , Lymphocytes , Biologie cellulaire , Souris de lignée ICR , Proanthocyanidines , Pharmacologie , RhodiolaRésumé
<p><b>OBJECTIVE</b>To investigate liver and kidney lesions in HBV-GN patients and relationship between them and provide evidences to make early diagnosis of HBV-GN.</p><p><b>METHODS</b>Reviewing the clinicopathological and laboratory indexes of 205 patients with HBV-GN diagnosed by renal biopsy in our hospital from September 1995 to November 2008.</p><p><b>RESULTS</b>HBV-GN account for 5.6% of all renal biopsies at the same time. Among them, 157 (76.5%) patients were male,123 (60%) was 19-45 years-old. 95 (46%) patients break out with kidney disease. HBsAg, HBeAg, HBcAg were the most common HBV makers. 102 (49.8%) patients present nephrotic syndrome, 18 (8.8%) suffered kidney dysfunction; 18 patients with hepatic cirrhosis. Patients with or without liver disfunction got no different in clinic manifestation and renal pathology. With the rising of the content of HBV-DNA in surum, the urinary protein increases. Renal data shows that membranous nephropathy(MN) was the most frequent type (60.5%).</p><p><b>CONCLUSION</b>The peak incidence of HBV-GN is in the twentieth to forth decade of life. There was a 3:1 predominance of males. Nephrotic syndrome was the most common clinic manifestation and membranous nephropathy was the most common pathology. 10% persent patisnts had loss of renal function at the time of renal biopsy. The HBV copies in serum correlated with the albuminuria. HBV-GN patients had desynchroneity lesions in kidney and liver. As the high rate of HBV infection in China, It needs to prevent the kidney damage in HBV infectious people and to elevate early diagnosis and therapy.</p>
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Adulte , Femelle , Humains , Mâle , Adulte d'âge moyen , Jeune adulte , ADN viral , Sang , Glomérulonéphrite , Anatomopathologie , Virologie , Hépatite B , Anatomopathologie , Virus de l'hépatite B , GénétiqueRésumé
<p><b>OBJECTIVE</b>To observe the effect of compound shenhua tablet (CST) on the residual kidney expressed macrophage migration inhibition factor (MIF) in rats.</p><p><b>METHODS</b>CST was used to treat 5/6 nephrectomized rats for 12 weeks and the conditions of blood pressure, urinary protein, blood biochemical indices (creatinine, blood urea nitrogen), kidney pathologic change and MIF expression were observed.</p><p><b>RESULTS</b>CST could significantly lower the serum levels of creatinine (P < 0.05), and 24 hrs urinary protein (P < 0.01), reduce the MIF expression and macrophage infiltration in renal glomerulus and tubular mesenchym, and lower the degree of renal glomerular sclerosis and interstitial fibrosis.</p><p><b>CONCLUSION</b>The inhibition on the highly expressed MIF may be an important mechanism of the drug in restraining chronic inflammation in residual kidney, delaying the sclerosis and fibrosis progression and protecting renal function.</p>
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Animaux , Mâle , Rats , Albuminurie , Sang , Créatinine , Sang , Médicaments issus de plantes chinoises , Pharmacologie , Fibrose , Anatomopathologie , Rein , Métabolisme , Anatomopathologie , Facteurs inhibiteurs de la migration des macrophages , Métabolisme , Néphrectomie , Rat Wistar , ComprimésRésumé
<p><b>OBJECTIVE</b>To investigate the reno protective effect of Shenhua recipe on the experimental model of 5/6 renal ablation.</p><p><b>METHOD</b>5/6 renal ablation rats were underlying this experiment. They were administered Shenhua, irbesartan respectively by gavage during 12 weeks. Body weight, systolic blood pressure, proteinuria, Scr, BUN, total protein, albumin, Glycero and cholesterol were measured. Histologic glomenular and tubulointerstitial damage scores were measured at 12 weeks.</p><p><b>RESULT</b>The treated groups showed significantly less histologic glomerular and tubulointerstitial damage scores at 12 weeks. The plasma albumin were higher ( P < 0.05), urine protein excretion rates, serum cholesterol and creatinine were lower than in nontreated group, but arterial blood pressure was not significantly different in the three Shenhua treated groups compared with nontreated group.</p><p><b>CONCLUSION</b>Shenhua can retard the progression of chronic renal injury in the 5/6 renal ablation without changes in systolic blood pressure.</p>
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Animaux , Femelle , Mâle , Rats , Albumines , Métabolisme , Astragalus membranaceus , Chimie , Atractylodes , Chimie , Pression sanguine , Cholestérol , Sang , Créatinine , Sang , Curcuma , Chimie , Évolution de la maladie , Association médicamenteuse , Médicaments issus de plantes chinoises , Pharmacologie , Défaillance rénale chronique , Anatomopathologie , Glomérule rénal , Anatomopathologie , Néphrectomie , Méthodes , Plantes médicinales , Chimie , Rat WistarRésumé
<p><b>OBJECTIVE</b>To explore curative machanism of Shenle capsule on the 5/6 nephrectomy rats.</p><p><b>METHOD</b>Fibrin plate method was applied to examine activity of urinary plasminogen activator(PA). Semi-quantitative analysis was used to observe stained intensity and area of tissue-type plasminogen activator, urokinas-type plasminogen activator/ plasminogen activator inhibitor(tPA, uPA/PAI-1)in remnant renal tissue. Northern blot was employed to analyze the expression of transforming growth factor (TGF-beta) mRNA.</p><p><b>RESULT</b>In model control group, the urinary PA activity and protein expression of tPA, uPA were down-regulated, but protein expression of PAI-1, TGF-beta mRNA was up-regulated in remnant renal tissue. In each treated group, the urinary PA activity and protein expression of tPA/uPA were enhanced,but the protein expression of PAI-1, TGF-beta mRNA decreased simultaneously.</p><p><b>CONCLUSION</b>Shenle capsule can delay glomerulosclersis and tubulointerstitial fibrotic lesions of remnant kidney by improving the activity of urinary PA and modulating the expression of tPA, uPA/PAI-1 and TGF-beta mRNA.</p>
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Animaux , Femelle , Mâle , Rats , Capsules , Codonopsis , Chimie , Association médicamenteuse , Médicaments issus de plantes chinoises , Pharmacologie , Rein , Métabolisme , Défaillance rénale chronique , Traitement médicamenteux , Métabolisme , Sangsues , Chimie , Matière médicale , Pharmacologie , Néphrectomie , Inhibiteurs d'activateurs du plasminogène , Métabolisme , Polyporales , Chimie , ARN messager , Rat Sprague-Dawley , Activateur tissulaire du plasminogène , Métabolisme , Facteur de croissance transformant bêta , Génétique , Activateur du plasminogène de type urokinase , MétabolismeRésumé
<p><b>OBJECTIVE</b>To study the antiinflammatory effect of a compound TCM (Traditional Chinese Medicine) agent on animal models. The agent contains ant extractive and a blent of three herbal products, herba epimedii, fructus cnidii, and fructus lycii.</p><p><b>METHOD</b>Three animal models to induce experimental inflammation in rats, including carrageenin--induced paw edema, cotton-ball granuloma and adjuvant induced arthritis, were chosen to study the antiinflammatory effect of the TCM agent.</p><p><b>RESULT</b>The TCM agent showed a marked inhibitory effect on edema induced by all three types of inflammation in rats, the inhibitory rate of the TCM agent at the dose of 0.20, 0.40 and 0.80 g.kg-1 in granuloma model bing over 25% at 1 hour post oral administration, and being 23.8%, 22.7%, 39.7% at 6 hour. In addition, the TCM agent also showed a significant preventive as well as therapeutic effect on adjuvant induced arthritis in rats, and improved the pathological changes of the animal joints with the induced arthritis.</p><p><b>CONCLUSION</b>TCM agent has significant antiinflammatory effects on the three above mentioned animal models.</p>