1.Analysis of clinicopathological features in type 2 diabetes mellitus complicated with chronic kidney diseases
Pengjie XU ; Hang LI ; Yalan XU ; Yubing WEN ; Xuewang LI
Chinese Journal of Nephrology 2010;26(10):731-735
Objective To study the pathologic pattern and clinical feature of type 2 diabetes mellitus complicated with chronic kidney diseases (CKD). Methods Clinicopathological features of 155 type 2 diabetic patients complicated with CKD were collected and analyzed retrospectively. The patients were divided into four groups: typical diabetic glomerulopathy (DG),atypical diabetes-related renal disease (ADRD), non-diabetic renal diseases (NDRD) and DG complicated with NDRD. Results Renal biopsies revealed DG accounted for 18.7% of the patients, ADRD accounted for 12.9%, NDRD accounted for 60.0%, and DG complicated with NDRD accounted for 8.4%. In DG group, duration of type 2 diabetes was longer;the level of fast blood glucose, systolic blood pressure, mean arterial pressure and prevalence of diabetic retinopathy (DR) were higher;proteinuria was heavier and evaluated glomerular filtration rate (eGFR) was lower. In ADRD group, body mass index and prevalence of obesity were higher;dyslipidemia was more severe. Gross hematuria and acute renal insufficiency could be only found in NDRD group.Without DR, duration of diabetes under 5 years, gross hematuria, acute renal insufficiency,evidences of autoimmune diseases and proteinuria≥3.5 g/24 h but eGFR ≥60 ml/min were specific valuable predictors for NDRD. Conclusions Renal injuries in type 2 diabetic patients are structural heterogeneous, in which NDRD is more common and is different from ADRD and DG.Renal biopsy should be considered when type 2 diabetic patients complicated with CKD present at least one characteristic as follows: duration of diabetes under 5 years, without DR, history of gross hematuria, acute decrease of renal function, evidences of autoimmune diseases and proteinuria ≥ 3.5 g/24 h but eGFR ≥ 60 ml/min.
2.Patterns of renal injury in type 2 diabetic patients with macroalbuminuria
Pengjie XU ; Hang LI ; Yalan XU ; Yubing WEN ; Xuewang LI
Chinese Journal of Nephrology 2009;25(4):255-260
Objective To find out a more rational pathological classification criteria for renal injury in patients with type 2 diabetes mellitus. Methods The renal clinicopathological features of forty-nine type 2 diabetic patients with maeroalbuminuria were collected and were compared retrospectively. The patients without diabetic renal disease were excluded. According to the pathological features, the patients were divided into two groups: typical diabetic glomerulopathy (DG) and atypical diabetes-related renal disease (ADRD). Results The renal biopsy revealed DG accounted for 59.2% of the patients, while the remaining 40.8% presented atypical renal injury defined as ADRD. In DG group, volume fraction of mesangium per glomerulus, glomerular basement membrane width, atrophic tubules index, intersititium injury index and prevalence of hyalinization of renal arteriole were higher; podocyte density per glomerulus was lower; duration of type 2 diabetes was longer; the level of fast blood glucose, systolic blood pressure, mean arterial pressure, proteinuria and prevalence of diabetic retinopathy (DR) were higher; glomerular filtration rate (GFR) was lower. In ADRD group, body mass index and prevalence of obesity were higher; dyslipidemia was more severe. GFR was negatively correlated with glomerular global sclerosis rate in both DG and ADRD group. Proteinuria was positively correlated with volume fraction of mesangium per glomerulus in DG. No correlation between proteinuria and pathological features was found in ADRD. DR (94.8%) and duration of type 2 diabetes over five years (90.7%) had high negative predictive value for DG. Conclusions Renal injuries in type 2 diabetes patients are heterogeneous. ADRD is an atypical renal injury in type 2 diabetes patients whieh is different from DG. DR and duration of diabetes are more helpful in predicting DG separating from ADRD.
3.Transplantation of bone-marrow derived mesenchymal stem cells to treat rat retinal degeneration
Yuan GUAN ; Lu CUI ; Yalan WU ; Weiya LI ; Guotong XU
Chinese Journal of Ocular Fundus Diseases 2009;25(4):249-253
Objective To observe the effects of subretinal transplantation of rat mesenchymal stem cells (rMSCs) on Sodium Iodate (SI)-induced retinal degeneration.Methods One hundred and twenty Brown-Norway (BN) rats were divided into three groups including SI injection group,rMSCs transplantation group and normal control group,each with 40 rats.The retinal degeneration was induced by caudal vein injection of SI.The retinal pigment epithelium(RPE)and neural retinal were evaluated by ocular fundus photograph,fluorescein fundus angiography (FFA),electroretinogram (ERG) and histological approach,and TUNEL(terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling).CM-Dilprelabeled primary rMSCs were transplanted into the subretinal space of Sl-induced rats.The survival,integration,and differentiation of rMSCs were observed between 14 day to 60 day after the transplantation.Results The rat retinal function was gradually reduced afterl4 days of SI injection,with a time-dependent manner.After the RPE cells were damaged,the outer segments of photoreceptors became disrupted and shortened until karyopyknosis.The nuclear morphology and positive TUNEL labeling indicated that the death of photoreceptor cells was apoptosis.After rMSCs transplantation,CM-DiI labeled donor cells were observed to be scattered in the subretinal space and expressed RPE cell markers.Average amplitude of bwave and Ops (oscillation potential) in ERG improved 27.80%,59.38% respectively after rMSCs transplantation.Conclusions Transplanted rMSCs can survive in subretinal space and differentiate into RPE cells,thus cure SI- induced retinal degeneration.
4.Study of analgesia and anti-inflammatory effect of Shui ethnic medicine Maguangwa*
Yalan XIA ; Xinkai YAO ; Yihong XU ; Yuesheng YU
Chongqing Medicine 2013;(23):2762-2764
Objective To investigate the analgesic and anti-inflammatory effects of Shui ethnic medicine Maguangwa .Methods Acetic acid-provoked writhing and hot plate provocation of pain were adopted to observe the analgesic effect of Shui ethnic medicine Maguangwa ,and xylene-induced ear swelling was used to observe the anti-inflammatory effect of Shui ethnic medicine Maguangwa There were five experimental groups ,i .e .,the blank control group ,the aspirin group(positive control) ,the 0 .84 g/kg Shui ethnic medicine Maguangwa group(group Ⅰ) ,the 0 .42 g/kg Shui ethnic medicine Maguangwa group(group Ⅱ ) ,and the 0 .21 g/kg Shui ethnic medicine Maguangwa group(group Ⅲ) .Results The writhing latency increased significantly and the writhing frequency de-creased significantly in the positive control group ,group Ⅰ and group Ⅱ ,when compared with the blank control group(P<0 .05) . The writhing latency and frequency differed insignificantly between group Ⅲ and the blank control group(P>0 .05) .Before medica-tion the pain threshold of mice in each group differed insignificantly (P>0 .05) .At 30 min ,60 min ,90 min and 120 min after medi-cation ,the pain threshold increased significantly in the positive control group ,group Ⅰ ,and group Ⅱ ,when compared to the blank control group(P<0 .05) .Meanwhile ,the pain threshold differed insignificantly between group Ⅰ and the positive control group(P>0 .05) ,or between group Ⅲ and the blank control group(P>0 .05) .When compared with the blank control group ,the right ear mass and degree of swelling decreased significantly in the positive control group ,group I and group Ⅱ (P<0 .05) .However ,the right ear mass and degree of swelling differed insignificantly between group Ⅰ and the positive control group(P>0 .05) ,or between group Ⅲ and the blank control group(P>0 .05) .Conclusion Shui ethnic medicine Maguangwa exhibits potent analgesic and anti-inflammatory effects in a dose-dependent manner .
5.Information Controlling Evaluation of Concentration Exceeding Standard of Positive Ions in Parenteral Nutrition Orders
Yuanqing XU ; Jiayi GUO ; Yalan ZHU ; Xianghong YE
China Pharmacist 2017;20(5):933-935
Objective: To evaluate the self-developed intelligent assist order system for parenteral nutrition on the control of concentration exceeding standard of positive ions.Methods: The special comments, pharmacist audit and information control were used to intervene the concentration exceeding standard of positive ions in parenteral nutrition orders and the effect of the three intervention methods were evaluated.Results: For the intervention of concentration exceeding standard of positive ions in parenteral nutrition orders, the information control was better than the special comments and pharmacists audit.Conclusion: The intelligent assist order system for parenteral nutrition can solve the problem of concentration exceeding standard and promote the rational application of parenteral nutrition in hospitals.
6.Early esophageal cancer or precancerous lesions treated by endoscopic resection: a single-center retrospective study of 368 cases
Yalan LIU ; Dongxian JIANG ; Yingyong HOU ; Jieakesu SU ; Haiying ZENG ; Jie HUANG ; Yifan XU ; Chen XU
Chinese Journal of Clinical and Experimental Pathology 2017;33(6):606-612
To investigate the clinicopathological features as well as prognosis of early esophageal squamous cell neoplasm (ESCN) treated with endoscopic resection (ER).Methods 368 patients were collected from 2007 to 2013.Clinicopathological features including invasion depth and margin were evaluated.Survival curves were constructed by using the Kaplan-Meier method.Univariate and multivariate Cox proportional hazard regression models were performed to identify associations with outcome variables.Results There were 252 males and 116 females with a median age of 61 (16-84) years.Patient numbers of hyperplasia,low grade intraepithelial neoplasia,high grade intraepithelial neoplasia,m1,m2,m3,sm1 and sm2 were 47(12.8%),61 (16.6%),61 (16.6%),54(14.7%),38(10.3%),63(17.1%),12(3.3%) and 32(8.7%),respectively.The cumulative overall 1-year,3-year,and 5-year rates of survival in the metachronous esophageal lesions were 4.1%,12.9% and 32.6%,respectively.The incidence of lymph node/distant metastasis was 1.54% in m3,6.25% in sm2,and 0 in other subgroups.The overall 1-year,3-year,and 5-year survival rates were 99.5%,97.3%,and 87.5%,respectively.Significant difference was identified between sm2 and non-sm2 patients in metastatic rate (P =0.021),however,no significant difference existed between m3 patients and sm2 patients (P =0.252).Metachronous esophageal lesion and survival between sm2 and non-sm2 patients demonstrated no statistical difference (P =0.401 and P =0.634).Conclusion ER is an effective and relatively safe treatment for superficial ESCN.The procedure is still appropriate in selecting sin2 patients.It is necessary to monitor the second primary cancer in sm2 patients during follow-up.
7.Effects of Zuogui Jiangtang Jieyu Formula on Hippocampal Neuronal Apoptosis in Diabetic ;Rats with Depression
Pan MENG ; Hongqing ZHAO ; Qing DU ; Yuhong WANG ; Hui YANG ; Xuli ZHANG ; Yalan XU
Chinese Journal of Information on Traditional Chinese Medicine 2016;23(9):78-81
Objective To observe the effects of Zuogui Jiangtang Jieyu Formula (ZJJF) on the ability of learning and memory and the expressions of JNK, Bcl-2 and Bax in hippocampus in diabetic rats with depression; To explore the protective mechanism of hippocampal damage in diabetic rats with depression. Methods High-fat gavage combined with intravenous injection of STZ was used to establish the model of diabetic rats. 28 days of chronic stress was given continuously and diabetic rats complicated with depression were built successfully. Then rats were randomly divided into 6 groups, including normal, model, positive medicine, high-, medium-, and low-dose of ZJJF groups. After the last administration, Morris water maze was used to detect escape latency time;Western blot was used to disclose the protein expressions of JNK, Bcl-2 and Bax in rat hippocampaus;RT-PCR was used to test the gene expressions of JNK and Bcl-2 and Bax. Results Compared with the normal group, escape latency time in model rats was significant longer (P<0.01), the protein and gene expression of JNK and Bax in rat hippocampaus significantly increased, Bcl-2 was markedly decreased (P<0.05, P<0.01);Compared with the model group, escape latency time in positive medicine group and high-dose of ZJJF group was significant shorter (P<0.01), the protein and gene expressions of JNK and Bax significantly decreased, and Bcl-2 markedly increased (P<0.05, P<0.01). Conclusion ZJJF can significantly improve the ability of learning and memory in diabetic rats with depression, which might be associated with preventing neuronal apoptosis in hippocampus.
8.Serpins as important protective factors in the pathogenesis of acute lung injury/acute respiratory distress syndrome
Jinquan ZHANG ; Caiming XU ; Guixin ZHANG ; Yalan LUO ; Peng GE ; Hailong CHEN
Chinese Critical Care Medicine 2021;33(3):368-372
Acute lung injury/acute respiratory distress syndrome (ALI/ARDS) is a common respiratory disease in clinic, and with a pathological manifestation of pulmonary edema, decreased pulmonary compliance as well as pulmonary epithelial/endothelial cells injury. At present, it was suggested that systemic inflammatory response syndrome (SIRS) caused by various causes which play an important role in the occurrence and development of ALI/ARDS. Widely activated neutrophils can migrate to lung tissue and release plenty of proteases in the procedure of SIRS, including neutrophil serine proteases (NSPs), lysozyme, myeloperoxidase and collagenase, which can induce severe lung injury. Meanwhile, NSPs, such as neutrophil elastase (NE), cathepsin G (CG), proteinase 3 (PR3) and neutrophil serine proteinase 4 (NSP4), are important in the pathogenesis of ALI/ARDS. Therefore, Serpins may protect lung tissue by inhibiting NSPs. However, the specific mechanism of Serpins is not totally clear. In this article, we will discuss the mechanism of action of NSPs in the inflammatory response of ALI/ARDS, the structural overview of Serpins, the primary role of Serpins in ALI/ARDS,such as the inhibition of NSPs activity, other roles of Serpins in ALI/ARDS, such as the inhibition of inflammatory factor release, regulation of apoptosis and protection of vascular endothelial cells and pulmonary surfactant-associated glycoprotein D (SP-D), and the clinical application of exogenous Serpins in ALI/ARDS to explore the role of Serpins in the pathogenesis of ALI/ARDS. The aim is to provide new ideas and strategies for the clinical treatment of ALI/ARDS.
9.Management Effect of Clinical Pharmacist on Antibiotics Use during Perioperative Period of Great Saphe-nous Varicose Veins Surgery
Yalan ZHU ; Yunguang BAO ; Jiayi GUO ; Shiwen LV ; Shuhua TONG ; Yuanqing XU
China Pharmacist 2016;19(4):697-700
Objective:To evaluate the management effect of clinical pharmacist on antibiotics use during perioperative period of great saphenous varicose veins surgery. Methods:The medical records of all the patients undergoing simple great saphenous vein strip-ping, great saphenous vein high ligation plus simple stripping and saphenous vein ligation plus endovenous laser treatment between June and September in 2010 ( before the intervention) , 2011 ( after the intervention) and 2014 ( consolidation period) were selected, and the rationality of prophylactic use of antibiotics during perioperative period was evaluated. Results: After the management of clinical pharmacists, the preventive application of antibiotics during perioperative period was markedly improved in the indication, medicine va-riety choice,application and dosage, administration route, solvent and solvent dose, administration time, course of treatment and drug combination when compared with that before the intervention. Antibiotics use ratio, average hospitalization days, antibiotics ratio, drug ratio and infusion ratio were reduced obviously, which could be consolidated. Conclusion: The intervention of clinical pharmacists in antibiotics use during perioperative period of great saphenous varicose veins surgery improves the reasonable use ratio of antibiotics, and makes certain significance in the cost reduction for patients and the specification for hospital management.
10.Role of interleukin-12 in spinal cord in maintenance of arthritic pain in rats
Yalan ZHOU ; Haoling LI ; Hui LI ; Yuanchang XIONG ; Yuqiu ZHANG ; Hua XU
Chinese Journal of Anesthesiology 2015;35(8):976-978
Objective To evaluate the role of interleukin-12 (IL-12) in the spinal cord in the maintenance of arthritic pain (AP) in rats.Methods Adult male Sprague-Dawley rats, aged 6-8 weeks,weighing 200-300 g, were randomly divided into 4 groups using a random number table: control group (group C, n=6);AP group (n=9);phosphate buffer solution (PBS) group (n=6);IL-12 antibody group (n =6).AP was induced by injecting 50 μl of complete Freund' s adjuvant into the ankle joint cavity of the left hindpaw of rats anesthetized with isoflurane.Goat anti-rat IL-12 antibody 1.50 μg (20 μl) was intrathecally injected on 9 days after establishment of the model in group IL-12 antibody, while 0.01 mol/L PBS (20 μl) was administered in group PBS.The mechanical paw withdrawal threshold to yon Frey filament stimulation (MWT) was measured before establishment of the model (baseline) and on 9 and 10 days after establishment of the model.The rats were sacrificed after the last measurement of pain threshold, and the L4 6 segments of the spinal cord were obtained for detection of IL-12 expression in the spinal dorsal horn (by immunofluorescence) , and the co-expression of IL-12 and glial fibrillary acidic protein (an astrocyte marker) was examined simultaneously in group AP.Results Compared with group C, the MWT was significantly decreased, and the expression of IL-12 was up-regulated on 9 and 10 days after establishment of the model in AP, PBS and IL-12 antibody groups.Compared with group AP, the MWT was significantly increased at 10 days after establishment of the model, and the expression of IL-12 was down-regulated in group IL-12 antibody, and no significant change was found in the MWT at 10 days after establishment of the model and expression of IL-12 in group PBS.IL-12 was co-expressed with glial fibrillary acidic protein in group AP.Conclusion IL-12 in the spinal cord is involved in the maintenance of AP in rats.