Objective To develop a method of quantitative analysis of multi-components by single marker( QAMS) for determination of quercetin, kaempferide,isohamnetin in Chuipencao granules,providing method to control the quality of Chuipencao granules.Methods The analysis was performed at 30 ℃,on an Shimadzu C18 column(250 mm ×4.6 mm,5μm),and the mobile phase was methanol-0.4% phosphoric acid solution .The flow rate was 1.0 mL/min, and the injection volume was 10 μL.Quercetin as a reference to establish the relative correction factor kaempferol and between isorhmnetin, the method was evaluated for reproducibility, and the difference between calculated and measured values was compared. Results Quercetin, kaempferol and isorhmnetin respectively 32.36-426.43μg, 11.56-136.87μg, 10.45-155.68μg showed a good linear relationship, and the regression equation was: Y=3625.8X-13658 (R2 =0.9998), Y=2682.9X-10253(R2 =0.9999), Y=3012.2X-11223 (R2 =0.9999).The average recoveries were 99.3%, 99.6%, 98.5% (RSD were less than 1.0%).Determination of 10 batches of Chuipencao granules with QAMS and external standard method, kaempferol and isorhamnetin were measured, and measured values were basically the same.Conclusion The QAMS method is reliable and accurate, which might be used for the quality control of Chuipencao granules.

[Objective] To determine the contents of imperatorin and isoimperation in Angelicae dahuricae from different sources by HPLC,and prove some scientific evidence for processing standardization and quality control of Angelicae dahuricae decoction pieces.[Methods] An HPLC method was established.XB-C18 column was used,with mixture of acetonitrile and water in a gradient mode.The flow rate was 1.0mL?min-1.[Result] The calibration curve of imperatorin was in good linear over the range of 0.0552～0.276?g with the average assay recovery 99.5%.The calibration curve of isoimperatorin was linear over the range of 0.048～0.24?g with the average assay recovery 98.6% (RSD=1.7%).The contents of imperatorin from different sources in Angelicae dahuricae were between 0.046%～0.145%,isoimperatorin was between 0.038%～0.087%,the total was between 0.084%～0.232%.[Conclusion] This method was proved to be rapid,reproducible and accurate.It is suitable for the quality control of Angelilae dahuricae and its preparation.

Objective To observe the influence of Kuailvning capsule(KLN)and its drug serum on the concentration of Ca2 + in rat ventricular muscle cells.Methods SD rats were randomly divided into five groups:the control group,serum control group,KLN high -dose group,KLN medium -dose group and KLN low -dose group,six mice in each group.The rat ventricular myocytes were separated by enzymatic hydrolysis.The influence of KLN and its drug serum on the concentration of Ca2 + in rat ventricular muscle cells were observed by Fluo -3 /AMprobe.Results The mean fluorescence intensity of cytosolic Ca2 + in the KLN high -dose group,KLN medium -dose group and KLN low -dose group after 50s,100s,150s,200s,250s were [(18.75 ±1.55),(16.69 ±0.93),(17.76 ±1.26)], [(25.47 ±1.118),(17.86 ±1.49),(17.81 ±1.13)],[(29.05 ±1.31),(20.14 ±1.73),(18.26 ±1.37)], [(35.21 ±1.33),(23.19 ±0.97),(18.18 ±1.46)],[(41.08 ±1.21),(26.34 ±1.69),(17.91 ±1.01)], which were higher than those in the control group(F =5.556,7.007,8.816,10.208,12.232,all P <0.01 ).The mean fluorescence intensity of cytosolic Ca2 + in the KLN high -dose group after 50s,100s,150s,200s,250s were (17.85 ±1.69),(18.95 ±1.73),(21.85 ±1.39),(23.01 ±1.48),(24.07 ±1.42),which were higher than those in the serum control group(t =3.642,4.406,6.074,7.402,8.625,all P <0.01 ).The mean fluorescence intensity of cytosolic Ca2 + in the KLN medium -dose group after 100s,150s,200s,250s were (18.01 ±1.42), (18.76 ±1.22),(19.73 ±1.37),(21.04 ±1.16),which were higher than those in the serum control group(t =3.902,4.033,4.126,4.326,all P <0.01).There were no statistically significant difference between the KLN low -dose group and the serum control group(P >0.05).Conclusion KLN drug serum can promote myocardial cell spon-taneous extracellular calcium influx,the mechanism of KLN antiarrhythmic effect may be related to the Ca2 + channel.

Chondroitin sulfate proteoglycans ( CSPGs) is one kind of proteins that covalently bind with chondroitin sulfate.CSPGs play important roles in the growth and development of the central nervous system and the pathological reaction of nervous injury.This article reviews the functional and mechanism studies of CSPGs in the repair of nerve system injury.

Objective To observe the expression levels of kidney injury molecule-1(KIM-1) in renal tissues of ischemia-reperfusion rats,and to explore the value in the diagnosis of acute kidney injury.Methods Rats were randomly divided into two groups,control(CON) group (n=64) and acute kidney ischemia reperfusion injury (AIKI) group (n=64).Rats were sacrificed following reperfusion 2h,6h,24h,48h,72h,1 week (w),2 w,and 4 w.The changes of morphology were checked on HE staining sections under light microscope.The extent of tubulointerstitial injury was determined by Sayhan classification.The distribution and expression of KIM-1 in renal tissue were observed by immunohistochemistry and Western blotting.Serum samples were collected and serum creatinine measurement was performed at different reperfusion time points.Results (1) Compared with the CON group,the renal tubulointerstitial injury scores of AIKI group were significantly higher at all times after reperfusion (P<0.01).(2) The expression of KIM-1 was consistent with the tubulointerstitial injury.The positive correlation between KIM-1 and the tubulointerstitial injury scores was significant(r=0.887,P=0.003).(3) Compared with the CON group,serum creatinine in AIKI group was significant higher at 2h,6h,24h,48h,72h after reperfusion (P<0.05).Serum creatinine had no correlation with the damage of renal tubulointerstitial.Conclusion The expression of KIM-1 increases significantly in renal ischemia reperfusion injury,and it is consistent with the tubulointerstitial injury.Compared with serum creatinine,KIM-1 may be a more accurate biomarker of renal damage.

Objective To investigate the treatment of septic shock(SS) from upper urinary obstruction(UUO). Methods Continuous veno-venous haemofiltration(CVVH) combined with surgical method was applied to 42 SS patients from UUO. Their general conditions, liver and kidney functions, APACHE Ⅱ, therapeutic intervention scorisystem(TISS), multiple organ dysfunction syndrome (MODS), complication rate and main outcomes were analysed comparing with traditional therapies groups(n=30). Results Compared with those traditional therapies, the APACHEⅡ , MODS and TISS score decreased (P＜0.05). Thirty-seven out of 42 patients survived and the survival rate was 88.0% during ICU. Conclusion CVVH combined with surgical methods may effectively decrease the incidence of complications and mortality of SS from UUO, and the mechanism may be related to the remove of mediators of inflammation.

Objective To evaluate the level of MMP-2 and COX-2 Protein in bladder transitional cell carcinoma tissue and explore their relationships. Methods A total of 42 patients with bladder transitional cell carcinoma, including Ta-T1 (n=18), T2-T4 (n=24), G1(n=12), G2 (n=19), G3 (n=11), metastasis (n=26) and without metastasis (n=16), were enrolled in the study. Eight normal bladder tissues were selected as control group. Western blotting was performed todetect the mRNA level of MMP-2 and COX-2. Results The relative COX-2 protein level of Ta-T1 (0.729±0.458), T2-T4 (1.248±0.425), G1 (0.61±0.486), G2 (1.055±0.406), G3 (1.422±0.341) were all higher than that of the control group significantly (0.31±0.149, t = 3.56, 4.13; F = 5.98, P ＜0.05). The relative MMP-2 protein level of Ta-T1 (0.844±0.345), T2-T4 (1.458±0.463), G1 (0.971 ±0.370), G2(1.445±0.378), G3 (1.755±0.387) were all higher than that of the control group (0.460±0.213, t = 3.91, 4.83;F = 6.35, P ＜0.05). The COX-2 and MMP-2 protein level in tumor tissues with and without metastasis were 1.246±0.426 vs 0.668±0.421, 1.430±0.461 vs 0.814±0.341, t = 5.89, 6.27, P ＜0.01, respectively. The level of COX-2 protein was positively correlated with MMP-2 positively (r =0.48, P ＜0.01). Conclusion MMP-2 and COX-2 protein are highly expressed in bladder transitional cell carcinoma tissue and their expression is positively correlated with the malignant degree. MMP-2 and COX-2 might play a synergetic role in the carcinogenesis of bladder transitional cell carcinoma.

Objective To establish the clinical reference of serum homocysteine in Xi’an region.Methods 310 cases of serum of healthy persons were collected to test the homocysteine concentrations using Enzyme circulation method.Results Health-y adult male homocysteine value was significantly higher than female and its reference range was:men 0~1 6.3 5μmol/L and women 0~12.89μmol/L.Conclusion Have established the healthy crowd in Xi’an region serum HCY reference for the re-gion’s heart cerebrovascular disease treatment and prognosis.

Based on recent studies which have shown that gut microbiota plays an important role in the pathogenesis of non-alcoholic fatty liver disease (NAFLD), the article elaborates on the relationship of NAFLD with intestinal endotoxemia, short-chain fatty acids, bile acid metabolism, and endogenous ethanol. By illustrating the author′s research progress in the relationship between traditional Chinese medicine (TCM) regulation of gut microbiota and NAFLD treatment, the article proposes that this approach is not only a clinical practice of TCM in the modern era, it may also become a new strategy in the treatment of NAFLD.

Objective:To investigate the effect of Yiqi Dihuang Decoction assisting conventional western medicine therapy in the treatment of early diabetic nephropathy (DN) with deficiency of qi and yin.Methods:A total of 117 patients with early DN who met the inclusion criteria from June 2018 to December 2020 in Beijing Hospital of Traditional Chinese Medicine Shunyi Branch were divided into a control group of 58 patients and a treatment group of 59 patients according to the random number table method. The control group was treated with conventional western medicine therapy, and the treatment group was additionally treated with Yiqi Dihuang Decoction on the basis of the control group. Both groups were treated for 1 month. Serum levels of IL-1, macrophage scavenger receptor A (SR-A), TNF-α, C-C motif chemokine 2 (CCL2), GSH-Px and SOD were detected by ELISA before and after treatment. Cystatin C (Cys C) and SCr levels were detected by automatic biochemical analyzer. The urinary albumin was determined by radioimmunoassay, urinary creatinine determined by rate method, and urinary albumin/creatinine ratio (UACR) and glomerular filtration rate (eGFR) were calculated. The adverse events during treatment and clinical efficacy were evaluated.Results:The total effective rate was 94.92% (56/59) in the treatment group and 81.03% (47/58) in the control group, and the difference between the two groups was statistically significant ( χ2=5.35, P=0.021). After treatment, UACR [(92.28±15.42) mg/g vs. (108.42±20.76)mg/g, t=4.78], eGFR [(91.42±13.18) m·min -1·1.73m -2vs. (95.30±15.94) m·min -1·1.73m -2, t=2.02], SCr [(65.30±9.54) μmol/L vs. (70.18±12.53) μmol/L, t=5.42], Cys C [(0.65±0.12)mg/L vs. (1.07±0.26)mg/L, t=11.25] in the treatment group were significantly lower than those in the control group ( P<0.05). Serum SR-A [(37.18±6.10) μg/L vs. (51.51±7.12) μg/L, t=11.70], CCL2 [(13.12±1.63) μg/L vs. (19.68±2.90) μg/L, t=15.12], TNF-α [(20.57±3.50) ng/L vs. (29.68±4.17) ng/L, t=12.81], IL-1 [(8.47±0.97) ng/L vs. (13.12±1.57) ng/L, t=19.31] levels in the treatment group were significantly lower than those in the control group ( P<0.01); serum SOD [(24.09±3.12) mg/L vs. (18.72±2.76) mg/L, t=9.85] activity and GSH-Px [(231.57±25.38) mg/L vs. (174.58±22.96) mg/L, t=12.73] in the treatment group were significantly higher than those in the control group ( P<0.01). During the treatment period, the incidence of adverse events was 10.34% (6/58) in the control group and 6.78% (4/59) in the treatment group, and there was no significant difference between the two groups ( χ2=0.48, P=0.490). Conclusion:Yiqi Dihuang Decoction assisted with conventional western medicine can effectively improve the renal function of patients with early DN syndrome of qi and yin deficiency, inhibit the body's inflammatory response and oxidative stress response, and improve clinical efficacy.