Objective:To compare the intravenous (Ⅳ) administration with an oral iron agent administration in their efficacy and side effects in hemodialysis patients with renal anemia. Method:50 renal anemic patients were randomly grouped as the treatment group (TG) and controlled group (25 cases for each). 100 mg iron dextran injection was intravenously dropped twice weekly for the TG patients in the dialysis course, totally 10 times. 150 mg iron polysaccharide complex capsules was orally used qd in the controlled group. All the patients were treated in combination with 8000u of erythropoietin (EPO) weekly and observed for 8 weeks. The changes in Hb, serum ferritin level and agent side effect were monitored. Result:Hb, Hct and SP were all improved in both the TG and controlled group after the treatment (P

Clinical trials are important means to push forward the development of human health. Every new drug needs to under-take clinical trials eventually to determine the efficacy and safety. In the paper, through our clinical trial experiences and extensive lit-erature retrieval, some problems of the communication management in clinical trials were analyzed and relevant countermeasures were suggested to improve the communication management in clinical trials in order to help the development of clinical trials.

AIM:To optimize the technical parameters indica-daisy dropping pill(Flos chrysanthemi indici) through controlling the influencing factors. METHODS:To take weight variation of pills,comprehensive quality and disintegration time limited as index,the above factors were observed by orthogonal test. RESULTS:Good technological parameters of indica-daisy dropping pill were as follows PEG6000∶PEG400=54∶6 as matrix,dimethicone as refrigerant.Temperature of drug fluids of 70 ℃,internal and external diameter of dropper within 6.2 mm and 9.0 mm,proportion of drug and matrix(1∶3),30 dropping per minute.The weight variation of pills was small,type quality was good and disintegration time limited was short.The water absorbability was smaller than that of granules. CONCLUSION:The finished products are of good quality and appropriate for mass production.

Objective To understand the current circumstance of the surgical resident training bases in Beijing Methods The reassessment data of the 11 surgical resident training bases in Beijing were collected and analyzed. Results 73%(8/11)surgical resident training bases have passed the assessment; and 27%(3/11)have not completely reached the requirements The most prominent problems found in the reassessment were that the numbers of clinic and emergency patients in some departments;the qualification and teaching level of the instructors;the administration in the training process;the test after finishing the rotation and the training results, Conclusion Surical resident training bases criterion,instructor for resident training and administration in the training process are the most important factors which influence the surgical resident training results

An ancient genome duplication (PPP1) that predates divergence of the cereals has recently been recognized. We report here another potentially older large-scale duplication (PPP2) event that predates monocot-dicot divergence in the genome of rice (Oryza sativa L.), as inferred from the age distribution of pairs of duplicate genes based on recent genome data for rice. Our results suggest that paleopolyploidy was widespread and played an important role in the evolution of rice.
Biological Evolution ; Chromosome Mapping ; methods ; Evolution, Molecular ; Genetic Variation ; genetics ; Genome, Plant ; Oryza ; genetics ; Polyploidy

Xuefu Zhuyu decoction (XFZYD) is a famous traditional Chinese medicine (TCM) formula, is widely used in the treatment of cardiovascular and cerebrovascular diseases in China over one hundred years. But its effect on antioxidant and drug-metabolizing enzymes are unknown. This study was to observe the effects of Xuefu Zhuyu decoction (XFZYD) on the activities of antioxidant and drug metabolism enzymes (DMEs) in liver of rats. Male SD rats, treated with XFZYD at the dosage of 3.51, 7.02 and 14.04 g x kg(-1) per day for 15 days, serum were collected, tissue fluid, cytosols and microsomes isolated from liver tissues were prepared by centrifugation according to the standard procedure, the activities of antioxidant enzymes and drug-Metabolizing Enzymes were determined by UV-V is spectrophotometer. In serum, the activities of AST was not significantly affected by the treatment with XFZYD, at the high- est dose, the levels of ALT, Cr and BUN were significantly decreased (P < 0.05). GPX were significantly increased at the dose of 7.02, 14.04 g x kg(-1) (P < 0.05), CAT were significantly increased at the highest dose (P < 0.05). T-SOD was not significantly af- fected by this treatment. In the liver tissue, GPX was significantly increased at the dose of 3.51, 7.02 g x kg(-1) (P < 0.05), GST, CAT and T-SOD were not significantly affected following this treatment. In cytosols, GST was significantly increased at the dose of 3.51 g x kg(-1) (P < 0.05), T-SOD was remarkable induced at the dose of 3.51 and 7.02 g x kg(-1) (P < 0.05). In microsomes, XFZYD had no significant effect on Cytochromeb5, NADPH-Cytochrome P450 reductase, CYP3A, CYP2E1 and UGT, XFZYD significantly in- duced GST at the dose of 3.51 and 7.02 g x kg(-1) (P < 0.05), and the level of GSH were significantly increased by XFZYD at the dose of 3.51, 7.02 and 14.04 g kg(-1) (P < 0.05). These findings suggest XFZYD can induce the activities of GPX, CAT, SOD, GST and increase GSH level in liver of rats, which indicate XFZYD may have detoxification and antioxidant functions.
Animals ; Antioxidants ; metabolism ; Drugs, Chinese Herbal ; pharmacology ; Inactivation, Metabolic ; drug effects ; Liver ; drug effects ; enzymology ; Male ; Rats ; Rats, Sprague-Dawley

OBJECTIVETo clone pIA and pIB genes of Neisseria gonorrhoeae,and to construct pIA-pIB fusion gene and its prokaryotic expression system, and to establish enzyme linked immunosorbent assay (ELISA) based on rPIA-PIB for detecting serum and pus samples from gonorrhea patients and to evaluate the sensitivity and specificity of the ELISA.

METHODSpIA-pIB fusion gene was constructed by polymerase chain reaction (PCR) using linking primers and a prokaryotic expression system of the fusion gene was constructed by using routine molecular biological methods. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) plus BioRad Gel Image Analyzer was used to measure the expression of the target recombinant protein rPIA-PIB. Ni-NTA affinity chromatography was performed to extract and purify rPIA-PIB. An ELISA by using rPIA-PIB as the coated antigen for detecting the specific IgG against rPIA and/or rPIB in gonorrhea patients' sera as well as another ELISA by using rPIA-PIB antiserum as the first antibody for detecting the rPIA and/or rPIB in gonorrhea patients' pus samples were established. In these experiments, ELISAs associated with rPIA, rPIB and their antisera were applied as the controls.

RESULTS100% similarities of the nucleotide and putative amino acid sequences of the pIA-pIB fusion gene were confirmed when compared with the original sequences. The output of rPIA-PIB was 29.8% of the total bacterial proteins. The purified rPIA-PIB only showed a single target protein segment in gel after SDS-PAGE. Using a positive rate (98.3%) of rPIA-PIB-IgG-ELISA to detect 119 cases of gonorrhea patients' serum samples was remarkably higher than that of rPIA-IgG-ELISA (30.3%) or rPIB-IgG-ELISA (66.4%) (P<0.01). The positive rate (91.6%) of rPIA-PIB-ELISA to detect 119 cases of gonorrhea patients' pus samples was also significantly higher than that of rPIA-IgG-ELISA (27.7%) or rPIB-IgG- ELISA (62.2%) (P<0.01).

CONCLUSIONIn this study we successfully constructed pIA-pIB fusion gene of N. gonorrhoeae and its prokaryotic expression system while rPIA-PIB showed obvious superiority used as the antigen in gonorrhea associated detection kits compared to both the rPIA and rPIB.

Antigens, Bacterial ; immunology ; Bacterial Outer Membrane Proteins ; genetics ; immunology ; metabolism ; Base Sequence ; Enzyme-Linked Immunosorbent Assay ; methods ; Gene Expression Regulation, Bacterial ; Humans ; Neisseria gonorrhoeae ; genetics ; immunology ; metabolism ; Recombinant Fusion Proteins ; genetics ; immunology ; metabolism

Objective To explore the effect of 1a,25(OH)2 D3 on circadian clock gene expressions in cardiac myocytes.Methods Cultured cardiac myocytes isolated from 7 -day -old Sprague -Dawley(SD)rats were identified by immunofluorescence.The medium including 1a,25 (OH)2 D3 (final concentrations were 0 nmol/L,1 nmol/L, 10 nmol/L,50 nmol/L and 100 nmol/L)were added to primary myocardial cells to culture for 2 h and then total RNA was extracted.Real -time polymerase chain reaction (RT -PCR)was applied to analyze myocardial cells circadian clock gene (Bmal1,Per2,Rev -erba)transcript levels to determine optimum concentration of 1a,25(OH)2 D3 .Then, the primary myocardial cells cultured for 72 h were divided into 3 groups:the control group was of serum -free culture medium;serum shock group was of DMEMcontaining 50%volume fraction of horse serum cultured 2 h;1a,25(OH)2 D3 treatment group receiving 1a,25 (OH)2 D3 at optimal concentration cultured 2 h.The cells were collected at 7 time points (0 h,4 h,8 h,12 h,16 h,20 h,24 h)and then total RNA was extracted.RT -PCR was applied to analyze circa-dian clock gene (Bmal1,Per2,Rev -erba)transcript levels in the myocardial cells.Results In the presence of 50 nmol/L 1 a,25(OH)2 D3 ,the Bmal1 mRNA expression showed the highest level,but the Per2 and Rev -erba mRNA expression levels were minimum.Compared with the control group,both 1a,25 (OH)2 D3 treatment group and serum shock group caused day -cycle rhythmic oscillation in circadian clock genes(Bmal1,Per2,Rev -erba)in the cardiac myocytes.And the expressions pattern of Bmal1 and Per2 genes were in the opposite phase.While Bmal1 gene expres-sion appeared at peak at 12 h,Per2 gene expression appeared in a trough.Expression of Rev -erba gene trend began to rise at 8 h,and the highest expression level appeared at 12 -16 h.Conclusions 1a,25(OH)2 D3 can affect Bmal1, Per2 and Rev -erba mRNA expressions of circadian clock genes in the cardiac myocytes.

Objective To explore the basic biological characteristics of lncRNA -uc.1 67,and its spatial dis-tribution,temporal expression pattern during the mouse embryonic development.Methods The UCSC genome browser of ENCODE was used to analyze preliminary bioinformatics of lncRNAs.Real -time (RT)-PCR was applied to detect the expression of uc.1 67 and neighboring genes in the embryonic mouse heart in different stages (P7.5,P1 1 .5,P1 4.5, P1 8.5).Dimethyl sulphoxide was used to induce P1 9 cell differentiation into the cardiomyocytes.RT -PCR was applied to detect the expression changes in uc.1 67 and neighboring genes on differential day 0,4,6,8 and 1 0.Results Full -length of human uc.167 was 201 bp,and human uc.167 was located in the genome 5q14.3 (chr5:88179623 -881 79824,GRCh37 /hg1 9).uc.1 67 mainly expressed in the ventricular muscle tissue.The expression of uc.1 67 was gradually decreased in the mouse embryonic heart development process(P7.5:1 .000 ±0.1 00,P1 1 .5:0.71 4 ±0.1 07, P1 4.5:0.393 ±0.043,P1 8.5:0.1 25 ±0.01 3),while the expression of its neighboring Mef2c gene was gradually in-creased(P7.5:1 .081 ±0.1 1 8,P1 1 .5:2.340 ±0.351 ,P1 4.5:3.958 ±0.542,P1 8.5:9.361 ±0.722),which showed an opposite trend.The expression of uc.1 67 during P1 9 cell differentiation into cardiomyocytes showed a an increase at first and then a decreasepattern,and the highest level expression of uc.1 67 was on differential day 4(d0:1 .071 ± 0.1 1 7,d4:4.71 4 ±0.501 ,d6:3.572 ±0.41 4,d8:2.550 ±0.31 4,d1 0:0.786 ±0.085).The expression of neigh-boring gene Mef2c was in an opposite trend(d0:1 .01 2 ±0.041 ,d4:0.353 ±0.037,d6:2.470 ±0.329,d8:6.706 ± 0.682,d1 0:7.765 ±0.705).Conclusions It is suggested that uc.1 67 may take part in the process of embryonic heart development and may play a role through negatively regulating its neighboring gene Mef2c.

Death ; Hematoma, Subdural/etiology* ; Humans ; Syphilis, Congenital/complications*