1.Comparison of the efficacy of different antibiotics strategy on peritoneal dialysis-related peritonitis
Zheng YUAN ; Rong XU ; Jie DONG
Chinese Journal of Nephrology 2014;30(1):6-10
Objective To compare the efficacy of different antibiotics strategy,introperitoneal (IP) cefazolin plus third-generation cephalosporin versus IP Vancomycin plus thirdgeneration cephalosporin on peritoneal dialysis (PD)-related peritonitis.Methods All episodes of PD -associated peritonitis happened in prevalent PD patients between January 2008 and December 2012 were recruited from the PD Center of Peking University First Hospital.According to their empiric antibiotics scheme,episodes were divided into group A (where IP cefazolin plus third-generation cephalosporins were administrated) and group B (where IP Vancomycin plus third-generation cephalosporins were administrated).Multivariable logistic regression model was used to explore the influence of different emnpiric antibiotics scheme on peritonitis outcome.Results Patients in Group B had significantly lower level of serum albumin (33.5±6.0 vs 35.3±5.2 g/L) and cholesterol (4.6±1.3 vs 4.9± 1.1 mmol/L) than those in group A.In group A,the percentage of gram-positive bacteria was similar to group B (43.2% vs 43.3%,P =0.96),but gram-negative bacteria was numerically lower (16.9% vs 24.7%,P =0.08).Different empiric antibiotics strategy was not independent predictor of peritonitis outcome [OR =1.07,95% CI(0.45,2.56),P=0.87].Conclusion Both cefazolin and vancomycin can be selected as first-line empiric antibiotic covering gram-positive organisms in the treatment of PD related peritonitis.
3.Separation of Triacylglycerols in Edible Oil by Reversed Phase Ultra Performance Liquid Chromatography-Mass Spectroscopy
Rong HE ; Xiaolin SHAN ; Fangyuan DONG ; Xu XU
Chinese Journal of Analytical Chemistry 2015;(9):1377-1382
A reversed phase ultra performance liquid chromatography-mass spectrometric method was developed for the separation and analysis of triglycerides in edible oils. The samples were separated by using three ultra performance C18 columns in series with a total length of 40 cm (10 cm + 15 cm + 15 cm) at high pressure with acetonitrile-isopropanol (50:50, V/V) as mobile phase at a flow rate of 0. 2 mL/min and at col-umn temperature of 25℃, and detected by APCI ionization-mass spectrometry. The edible oil sample was dis-solved in isopropanol and injected in LC-MS directly. The triglycerides in edible oils were distinguished to their better fine components which included corn oil, peanut oil, sunflower seed oil, rice oil, olive oil, sesa-me oil and soybean oil. The chromatograms of different edible oils showed that the same kind of edible oil was composed of similar triglyceride composition and content, while the different kind of edible oils differed. The experimental result showed that the method could be use for identifying 5% lard adulterated in soybean oil. The method suggests a significant research way for identifying adulteration in edible oil.
4.Effects of C-terminal fragment of parathyroid hormone-related protein on bone metabolism in ovariectomized rats
Jin XU ; Haiqin RONG ; Hong JI ; Dong WANG ; Chunyan LIU
Chinese Journal of Rheumatology 2009;13(4):223-225
Objective To investigate the effects of C-terminal fragment of parathyroid hormonerelated protein (PTHrP107-139) on bone mineral density (BMD), bone histomorphometry and biomechanical properties in ovariectomized (OVX) rats and its effect on bone metabolism is also explored. Methods Forty 4-month old female Wistar rats in which 30 were ovariectomized and then divided into 3 groups: the placebo, the PTHrPC and the CT groups, the other 10 rats were Sham-operated as the control group (Sham). Five weeks later, the rats of PTHrPC and CT groups were subcutaneously injected with PTHrP107-139 (40 μg/kg) and Salmon Calcitonin (15 U/kg) respectively once every other day. The rats of the placebo and sham groups were injected with 0.2 ml saline once every other day. After treatment of 12 weeks, all rats were sacrificed and all samples were collected and analyzed. Results ① Compared with the placebo, the BMD and bone strength of PTHrPC and CT groups were significantly increased (P<0.05). ② Histomorphometry revealed that the tetracycline labeled bone surfaces, osteoid surfaces, mineral apposition rate and bone resorption rate were remarkably decreased in PTHrPC, and CT groups comparing with those of the placebo group. Conclusion Cter-minal PTHrP107-139 is effective in increasing the BMD, bone strength and quality when administered intermittently to ovariectomy-induced osteoporotic rats. Its increasing in bone quality may relate to reducing bone turnover and inhibiting resorption.
5.Changes in the lymphocyte subgroup after TACE, THPP of primary hepatic carcinoma
Ting-Rong ZHANG ; Cheng XU ; Wei-Dong MAO ; Al ET
China Oncology 2000;0(06):-
Purpose: Observe the varities of lymphocyte subgroup of patients suffering from primary hepatic carcinoma ( PHC) during the treatment by hepatic arterial chemoembolization (TACE) and Hyperthemia Peritoneal Perfusion (THPP). Methods: Twenty seven patients were treated with TACE and THPP a week after TACE. We tested for lymphocyte subgroup three times with the flow cytometry (FCM) for pre-TACE, post-TACE and THPP a month later. The control group, twenty seven patients, were also tested for lymphocyte subgroup three times with the TACE. Results: The lymphocyte subgroup among the patients suffering from PHC were disordered. CD4+,CD4+/CD8+.CD19+NK+ were decreased, (P
6.Effects of human parathyroid hormone related protein on osteoporosis of ovariectomized rats
Jin XU ; Haiqin RONG ; Hong JI ; Dong WANG ; Chunyan LIU
Chinese Journal of Rheumatology 2002;0(03):-
Objective To investigate the therapeutic effects of human parathyroid hormone related protein (PTHrP1-34) on osteoporosis of ovariectomized osteoporotic rats. Methods Sixty 4-month-old female Wislar rats were involved in this study and 40 of them were ovariectomized and another 20 received sham operation. After 6 weeks of ovariectomy the osteoporosis model was confirmed by examing 10 ovariectomized and sham-operated rats. The 30 osteoporotic rats were randomly divided into 3 treatment groups, i.e. PTHrP, estradiol and placebo. Human 40 ?g/kg PTHrP1-34 was subcutaneously injected once daily to PTHrP group and the estradiol group was injected with 40 ?g/kg estradiol benzoate once every 3 days.The placebo and shamoperated rats were given 0.2 ml saline every 3 days. The bone mineral density (BMD), bone histomorphology, the bone weight of dry and ash and serum Ca,P,alkaline phosphatase (ALP) were measured after 3 months' therapy. Results After 6 weeks of ovariectomy, the lumbar BMD of ovariectomized rats were significantly declined compared with those of the sham-operated rats. After 12 weeks treatment the femoral and lumbar BMD and the rate of bone weight of dry and ash in the PTHrP group were increased obviously compared with those of placebo groups.There was no significant difference between PTHrP group and estradiol group, in PTHrP group the percent age of trabecular area,trabecular width,osteoblast surface and mineral apposition rate were obviously higher than those in placebo group.Conclusion Treatment with 40 ?g/kg dose of hPTHrP1-34 administered once daily is effective in treating ovariectomy-induced osteoporosis.
7.Developmental status and prospect of musical electroacupuncture.
Fan WANG ; Chun-Lan XU ; Gui-Rong DONG ; Hong-Sheng DONG
Chinese Acupuncture & Moxibustion 2014;34(12):1247-1250
Through searching domestic and foreign medical journals in CNKI, Wanfang database, VIP database and Pubmed database from January of 2003 to November of 2013, 39 articles regarding musical electroacupuncture (MEA) were analyzed. The result showed that MEA was clinically used to treat neurological and psychotic disorders; because it was combined with musical therapy and overcame the acupuncture tolerability, and MEA was superior to traditional electroacupuncture. However, problems such as low research efficiency and the mechanism of MEA superiority and the musical specificity not being revealed by research design still exist. In future, large-sample multi-center RCT researches should be performed to clarify MEA clinical efficacy. With modern science and technology and optimized study design, guided by five-element theory of TCM, researches on different musical elements and characteristics of musical pulse current as well as MEA's correlation with meridians and organs should be studied, so as to make a further exploration on MEA mechanisms and broaden the range of its clinical application.
Acupuncture Points
;
Bibliometrics
;
Combined Modality Therapy
;
Electroacupuncture
;
Humans
;
Music Therapy
8.The reliability and validity of the Chinese version of Profile of Fatigue Scale among the patients with sjogren′s syndrome
Qing DONG ; Xujuan XU ; Fengyan ZHOU ; Rong XU ; Zhen JIANG ; Xiaoyan ZHAO ; Duo QIAN
Chinese Journal of Practical Nursing 2015;(26):1999-2002
Objective To test the reliability and validity of the Chinese version of Profile of Fatigue Scale (PROF)among the patients with Sjogren′s syndrome. Methods The English version of PROF was translated into Chinese according to Brislin Translation Model. 107 patients with Sjogren′s syndrome were investigated to test its reliability and validity. Results The Cronbachαcoefficient , Guttman split-half coefficient, test-retest reliability and content validity of Chinese version of PROF were 0.976, 0.953, 0.872 and 0.875. Two factors were extracted by factor analysis and the cumulated variance was 80.75%. The structure of PROF was in line with the original scale. The criterion-related validity was 0.621 measured by comparing with visual analog scale of fatigue, and was -0.707 measured by comparing with vitality domain in the MOS item Short From Health Survey (SF-36). Conclusions The Chinese version of PROF has been proved to be reliable and valid. It can be used to measure the fatigue in Chinese patients with Sjogren′s syndrome.
9.Expression and Bioactivites of Recombinant Human Glucagon-like Peptide-1
Jing HUANG ; Jin XU ; Yi ZUO ; Wei-Dong XU ; Zi-Rong WU ;
China Biotechnology 2006;0(01):-
The synthesized full-length hGLP-1 gene was cloned into pET-32a(+) to get the recombinant plasmid pET32-GLP-1, which could express a fusion protein containing thioredox, hexahistidine, and rhGLP-1 consecutively. The recombinant plasmid containing hGLP-1 was transformed into E.coli BL21 (DE3) and expressed by IPTG induction. The fusion protein was purified from lysates with Ni?IDA His?Bind affinity chromatography. rhGLP-1 with the purity of 90% was achieved after enterokinase digestion, Ni?IDA His?Bind affinity chromatography again, then was concentrated by ultrafiltration. The purified rhGLP-1 showed a single band on IEF gel with an isoelectric point between pH5.2 and pH5.85. ESI mass spectrometry showed that the molecular weight was 3355.0kDa as expected. rhGLP-1 was digested with trypsin followed by mass analysis and the peptide mapping produced two expected fragments with the molecular weights of 2097.7kDa and 1005.5kDa, respectively. The purified rhGLP-1 also showed obvious biological activity for both lowering plasma glucose and stimulating insulin secretion in mice.
10.Mucin gene expression in Barrett's oesophagus
Jing-Jing ZHAO ; Dian-Chun FANG ; Rong-Quan WANG ; Yuan-Hui LUO ; Rong ZHANG ; Cheng-Ping XU ; Dong-Mei YU
Chinese Journal of Digestive Endoscopy 1996;0(06):-
Objective To assess mucin gene expression in Barrett's esophagus.Methods Mucin core protein-MUC1,MUC2,MUC3,MUCSAC and MUC6 were detected by immunohistochemistry.The re- lationship between mucin expression and magnification-endoscopic characteristics,pathohistologic epithelial types of Barrett's esophagus was analyzed.Results Mild expression of MUC1 was predominantly found in the superficial epithelium of both gastric and specialised intestinal metaplasia.In a small number of specimens, mild expression of MUC1 was also noted in glands.Strong MUC2 expression was noted only in the goblet cells in Barrett's oesophagus.MUC3 was expressed in the superficial columnar cells of specialized intestinal metaplasia with or without globlet cells but not in gastric metaplasia of the oesophagus.In some specimens MUC3 was expressed in the vacuolus of the globlet cells and the lumen of gland.Strong staining of MUCSAC was noted in the columnar epithelium of both gastric metaplasia and specialized intestinal metaplasia in Barrett's oesophagus,as well as expressed in the cytoplasm and vacuolus of the globlet cells in some speci- mens.Expression of MUC6 protein was detected at the basement of the crypts in gastric metaplasia and spe- cialised Barrett's glands.Expression of MUC2 and MUC3 protein was found much higher in villous or irregu- lar pit pattern than that in dot or rod pit pattern(P