Objective: To observe the effect of chronic psychological stress on change of function of learning and memory, and CD4, and CD8 in mice. Methods: 50 BALB/c mice were randomly divided into control group and immobilization stress group (n=25 in each group). The mice mode of stress was made by restraint for 6 hours per day. Suspend tail test was performed on change of behaviors in mice. RIA was employed to measure levels of neuropeptide Y in the brain. Results: Compared with the control group, the mean escape latency of the mice in the chronic restraint groups was longer than that of the control mice (P

Acute Disease ; Adolescent ; Asthma ; immunology ; Child ; Child, Preschool ; Female ; Humans ; Infant ; Male ; RNA, Viral ; genetics ; Respiratory Syncytial Viruses ; genetics ; Respiratory Tract Infections ; immunology ; virology ; Reverse Transcriptase Polymerase Chain Reaction

AIM:To construct AFT024-SCF cell line and HPC-Lhx2 cell line for confirming the biological function of AFT024-SCF.METHODS:The HPC-Lhx2 cell line, AFT024-SCF cell line and AFT024-GFP cell line were constructed by retro-viral infection.The expression of stem cell factor(SCF) in AFT024-SCF cells was detected by real-time PCR and Western blot.SCF in the supernatant of AFT024-SCF was detected with ELISA.The supernatant of AFT024-SCF and AFT024-GFP were collected and then diluted (1:10) with basic IMDM medium.So we made 4 culture medium:AFT024-SCF medium was used for experiment group, AFT024-GFP medium was used for endogenous negative control, IM-DM basic medium was used for exogenous negative control, and IMDM basic medium with SCF was used for positive con-trol.SCF-dependent HPC-Lhx2 cell line was cultured in these 4 different medium for 72 h.According to MTT method and colony forming experiment, the biological function of AFT024-SCF was confirmed by the proliferation ability of SCF-depend-ent HPC-Lhx2 cell line.RESULTS:SCF was highly expressed in AFT024-SCF cells.After cultured for 72 h, neither IM-DM basic medium nor GFP-AFT024 medium support HPC-Lhx2 cell line proliferation.However, AFT024-SCF medium supported HPC-Lhx2 cell line expansion as well as the positive control medium.CONCLUSION:AFT024-SCF cells ex-press SCF successfully and recombinant SCF can be replaced by the supernatant of AFT024-SCF culture medium for expan-ding HPC-Lhx2 cell line in vitro.

Objective: To study the pharmacokinetics of diclofenac sodium microemulsions in human. Methods: According to the crossover design, each volunteer was orally given diclofenac sodium microemulsion and diclofenac sodium tablet. The serum concentrations were determined by RP-HPLC with UV-detector. The concentration-time data were analyzed using 3P87 Pharmacokinetic Program and the pharmacokinetics parameters were compared by paired t-test. Results: It was found that diclofenac sodium in serum was linear within the range of 50-8 000 μg/L. The minimum detection concentration was 30 μg/L. The mean rate of recovery was (100.55±1.56)%. After a single oral dose, AUC0～∞ were 5.563，7.891 μg*h/ml, MRT 5.489， 5.387 h for dispersible diclofenac sodium microemulsion and tablet respectively. Conclusion: Absorption progress of diclofenac sodium microemulsion in human may be special.

Aged ; Humans ; Lower Extremity ; Middle Aged ; Muscle, Skeletal/physiology* ; Vibration

Objective To understand of work status and professional ability of ICU specialist nurse,test their specialist ability level,improve and enhance the specialist nurse management to maximize their roles in promoting the development of clinical nursing.Methods 38 ICU nurse specialists who have got the nursing credentials more than one year were surveyed through self-questionnaire about working conditions,including general conditions,work status,income,self-assessment of specialist ability in future.Results 100％ ICU trained the younger nurses,and discuss the nursing management and problems.36.8％ nurses participated clinical nursing and night shift,5.3％ nurses have never joined ward inspection.Rates of reaching the standard were higher and above the 90％ in those three aspects: practice in clinical work,guided teaching and providing information for family member.Grasp of academic knowledge (86.8％),theory teaching (86.8％) and providing academic knowledge for nursing (86.8％) needed to be improved.Paper searching and reading (65.8％),paper writing (57.9％) and research design (47.4％) were relatively lower.Conclusions Culturing and using the specialist nurses in ICU lack the program and rationality; Specialist nurses have vague role; talent team was lacked; pay status needs increased; research ability needed enhanced; admittance,training and using criteria were lacked.

Objective:To investigate the protective effect of Yiqi Huazhi recipe Quqian granules on rat renal tubular cell apoptosis induced by lead poisoning. Methods:Totally 60 Wistar rats were divided into 2 groups, 12 in the control group and the others in the model group. Chronic lead poisoning model was made by drinking 0. 02% lead acetate water for 60 days. Then the lead poisoning rats were randomly divided into four groups, high-dose Quqian granules group (3. 0 g·kg-1·d-1), low-dose Quqian granules group (0. 6 g·kg-1 ·d-1 ) , positive control group ( calcium disodium edentate plus procaine, im, 50 mg·kg-1 ·d-1 ) and model group. Seven treatment courses were carried out in the first three groups with every 4-d as one course and 4-d withdrawal period between every two courses. After 60 days, the change of lead in blood and kidney was observed by atomic absorption spectrometry,the apoptosis of kidney tissues was studied by TUNEL, the expression of Bcl-2 protein was detected by immunohistochemical methods and the expression of p53 was studied by Western Blotting. Results:Compared with the control group, the body weight, hemoglobin and the expression of Bcl-2 in the model group were decreased significantly(P<0.01)those in, and Pb in blood(0.990 ±0.443)μg·ml-1, Pb in kidney(51.33 ± 5. 16)μg·ml-1 , the apoptosis of tubular epithelial cell(4. 148 ± 0. 414) and the expression of p53 protein (1. 868 ± 0. 139) were significantly higher (P<0. 05). Compared with the those in model group, the body weight, hemoglobin and Bcl-2 in high-dose group were increased significantly(P<0.01), and the blood lead level (0.082 ±0.015)μg·ml-1, the kidney lead level (6.38 ±0.97)μg ·ml-1 , the apoptosis of tubular epithelial cell(1. 412 ± 0. 109) and p53 protein expression(1. 164 ± 0. 172) were significantly lower (P<0. 05). Conclusion:Lead may induce high expression of p53,low expression of Bcl-2 and promote the apoptosis of renal tubular epithelial cells. It is proven that Yiqi Huazhi recipe Quqian granules can inhibit the expression increase of p53 and the expression de-crease of Bcl-2 resulting in the reduction of the renal tubular apoptosis to allivate the renal injury caused by lead.

Objective To explore the way of continuing education training of standardized management of community nurses in Tianjin.Methods A survey was conducted with self-designed questionnaires for 462 community nurses who attended the continuing education training,and behavioral event interview was carried out for 6 directors of district health bureau who participated in the continuing education.Results The acquirements and problems of continuing education training of standardized management in Tianjin community nurses were concluded from the data analysis.Conclusions It is necessary to give continuing education training of standardized management for Tianjin community nurses.We should improve the evaluation and feedback system,attach importance to management of teaching time and teaching manner.

Antineoplastic Agents ; administration & dosage ; therapeutic use ; Child ; Female ; Humans ; Injections, Intralesional ; Interferon-alpha ; administration & dosage ; therapeutic use ; Male ; Neoplasms ; drug therapy ; Recombinant Proteins ; Treatment Outcome

In this study, 31 Notopterygium incisum populations were analyzed using ITS sequences to investigate the genetic structure. The results showed that: the ITS region ranged in size from 634 to 635 bp and base composition was with high G + C content of 57.8%. Thirty-one polymorphic sites were detected from 402 sequences of 31 populations of N. incisum, and the proportion of polymorphic sites was 4.88%, in which parsimony informative sites were up to 12. And 31 haplotypes were identified based on these polymorphic sites. Molecular variance analysis (AMOVA) indicated that high genetic differentiation (57%) existed among population, and gene flow was low (N(m) = 0.38) among populations. Phylogenetic relationships of 31 haplotypes were analyzed using NJ method with N. forbesiias an out-group. Phylogenetic analysis showed that 31 haplotypes from different populations mixed together and did not form distinct geographically separated clades.
Apiaceae ; classification ; genetics ; Base Sequence ; China ; DNA, Intergenic ; genetics ; Gene Flow ; Genetic Variation ; Molecular Sequence Data ; Phylogeny