Atrioventricular Block ; chemically induced ; Child ; Humans ; Male ; Mercury Poisoning ; complications

Objective To explore the relevant factors for job burnout of female reserve duty soldiers in parade training.Methods Maslach burnout inventory-general survey(MBI-GS),Eysenck personality questionnaire (EPQ),coping pressure style questionnaire,self rating social adaptation and will power test were conducted in 380 female reserve duty soldiers in parade training.Results ①The results showed that the score of the job burnout in female reserve duty soldiers in parade training was in middle level.The scores was 12.83±5.28:5.86±3.90;23.28±6.18,respectively.②There were some relevant factors of job burnout and the significant correlation existed between job burnout of female reserve duty soldiers and coping pressure styles,personality,social adaptation and will power(P<0.01).③These factors could significantly predict job burnout(Standardized βwas 0.264,0.186;0.331,-0.161,-0.206,-0.144;0.391,0.179,0.199,-0.164).Conclusion To prevent the job burnout of female soldiers,it should be taken seriously about building up of their character,improving social adaptation and enhancing their will power.

Animals ; Caudate Nucleus ; drug effects ; physiology ; Dopamine Antagonists ; pharmacology ; Rats ; Rats, Wistar ; Substantia Nigra ; drug effects ; physiology

ObjectiveA comparison between intragate and ECG-respiration triggered techniques was performed to determine their differences in measuring the structure and function of the heart at 7.0 T.MethodsTen normal ICR mice aged five to six weeks were examined on a 7.0 T MR scanner.A central slice with papillary muscle included at the short-axis view was scanned with a FLASH-cine bright blood sequence,FLASH-cine black blood sequence,IG-FLASH-sat-cine black blood sequence,and IG-FLASH-cine bright blood sequence.The area of the left ventricle of the end systole and end diastole ( including and excluding the myocardium) was measured with manually outlined ROIs.The increased area of the left ventricle and the myocardium from the end systolic to end diastolic phases was calculated.The signal intensity was measured from 8 ROIs which were evenly located at the myocardium of the end systole,and the mean and standard deviation were then determined.The coefficient of variation ( CV ) was derived by dividing the mean into the standard deviation.ResultsThere was no significant difference ( the increased area of the myocardium t =0,P =1,the increased area of the left ventricle t =2.12,P =0.06) in the function index between the ECG-triggered black blood sequences [the increased area of the myocardium (0.100 ±0.018) cm2,the increased area of the left ventricle (0.060 ± 0.024) cm2] and intragate black blood sequences[the increased area of the myocardium (0.090 ± 0.014) cm2,the increased area of the left ventricle (0.060 ±0.012) cm2].No significant difference(the increased area of the myocardium t =1.56,P =0.15,the increased area of the left ventricle t =2.08,P =0.07 ) in the function index was observed between the ECG-triggered bright blood sequences [the increased area of the myocardium ( 0.100 ±0.018) cm2,the increased area of the left ventricle(0.060 ±0.014) cm2]and intragate bright blood sequences [the increased area of the myocardium (0.090 ±0.019) cm2,the increased area of the left ventricle (0.050 ±0.015) cm2].Furthermore,there was no significant difference(t =1,P =0.34) in the CV of the myocardium signal intensity of bright blood sequences between the ECG-triggering ( 0.050 ± 0.013 ) and intragate (0.040 ± 0.015 ),but significant difference ( t =4.51,P =0.001 ) in the CV of the myocardium signal intensity of black blood sequences between the ECG-triggering ( 0.070 ± 0.033 ) and intragate ( 0.160 ± 0.046 ) was obtained.ConclusionsThe intragate sequences could take the place of the ECG gate sequences in functional analysis of the heart( including bright blood and black blood sequences).The bright blood intragate sequences also could replace the bright blood ECG-triggered sequences in analyzing the signal of the myocardium.

Objective To investigate the feasibility of ADC values in the evaluation of normal fetal brain development by measuring ADC values changes in specific regions with advancing gestational age.Methods Forty fetuses(gestational age:24 to 41 weeks) with normal brain underwent DWI(b value were 0 and 600 s/mm2).ADC values of the frontal white matter(WM),occipital WM,thalamus,basal ganglia,and cerebellum were measured by post-processing software.The differences among different regions' ADC values were calculated by repeated measurements of ANOVA,and simple linear regression was used to evaluate the relationship between ADC values and gestational age.Results The mean ADC valuesof 40 fetuses were(1 800±214) ×10-6mm2/s in frontal WM,(1 400±100) ×10-6mm2/s in basal ganglia,(1 300±126) ×10-6mm2/s in thalamus,(1 700±133) ×10-6mm2/s in occipital WM and(1 400± 155) × 10-6mm2/s in cerebellum,respectively.There was significant difference in the ADC values among the five regions(F=80.813,P＜0.01).In pair-wise comparison,ADC values of basal ganglia,thalamus and cerebellum had no significant difference; however,others had significant difference between each other.With the increasing gestational age,ADC values of basal ganglia,thalamus,occipital WM and cerebellum decreased,and had significant negative correlations with gestational age(Pearson correlation coefficient were-0.568,-0.716,-0.830 and-0.700,respectively,all P＜0.01).In terms of ADC value,occipital WM declined fastest with gestational age,followed by cerebellum and thalamus,and the slowest was basal ganglia.Frontal ADC values showed no correlation with gestational age(P＞0.05).Conclusions Specific regions of fetal brain have specific ADC values,and ADC values of the region undergo regular change with advancing gestational age.ADC value is a specific quantitative parameter that could help to evaluate normal brain development and early diagnosis of fetal brain lesions.

To explore the regulation of eIF4E, we screened the protein interacting with eIF4E from human cDNA library by using yeast two-hybrid system. Several clones interacting with eIF4E were identified. One of them was homologous with HUWE1 (HECT, UBA and WWE domain containing 1, also named as ARF-BP1, HECTH9 or HUWE1). Cell co-immunoprecipitation showed that eIF4E could bind to HUWE1 in mammalian cells. We also found that HUWE1 bearing the HECT domain is necessary for its association with eIF4E.
Animals ; Eukaryotic Initiation Factor-4E ; metabolism ; Humans ; Ubiquitin-Protein Ligases ; metabolism

Adult ; Blood Glucose ; metabolism ; Female ; Herbicides ; poisoning ; Humans ; Liver ; physiopathology ; Male ; Middle Aged ; Paraquat ; poisoning

Objective Few researches have been reported on the gene methylation in children with steroid-sensitive nephrot-ic syndrome (SSNS) or steroid-dependent nephrotic syndrome (SDNS).This study aimed to investigate the possible pathogenesis and therapeutic target of SSNS and SDNS by screening differentially methylated genes ( DMGs) and bioinformatic analysis using DNA meth-ylation microarray. Methods This study included 3 hospitalized children with SSNS and another 4 with SDNS, all treated with full dose of prednisone ( 2 mg per kilogram of the body weight per day or 60 mg per m2 per day).Negative urine protein was achieved within 4 weeks in the former group , while the latter , though sensitive to hor-monal therapy , relapsed within 2 weeks after drug withdrawal or dose reduction .DNA was extracted from the peripheral blood of the patients in both groups for screening DMGs and bioinformatic analysis using DNA methylation microarray . Results Compared with the patients with SSNS, 318 DMGs were found in the SDNS group , among which 193 were hypermethylated and the other 125 hypomethylated .These abnormal genes were mainly located in the open reading frame of DNA and the CpG island region .DMGs were mainly involved in Rho guanyl-nucleotide exchange factor activity , nucleoside-triphosphatase regulator activity , GTPase activator activity , and other molecular functions .The biological processes were chiefly associ-ated with the regulation of the generation of precursor metabolites and energy , antigen processing and presentation , regulation of Rho and Ras protein signal transduction , lamellipodium assembly , regeneration , and other biological processes .The cell composition was mainly related to MHC protein complexes , perichromatin fibrils , and the MHC class I protein complex .Analysis of the KEGG signaling pathway showed that DMGs participated in 9 signaling pathways , involving type I diabetes , starch and sucrose metabolism , allograft re-jection, autoimmune thyroid disease , and others. Conclusion The heterogeneity of methylation is widespread in children with SDNS and may be one of the causes of steroid dependence , which has provided a basis for searching for potential therapeutic targets .

Objective Through selecting abnormal DNA methylation of children steroid resistance nephrotic syndrome and bioinformatics analysis to find the pathogenesis of steroid resistance nephrotic syndrome and provide new targets for therapy. Methods We use illumine 450K methylation chip to detected blood gene DNA methylation of 9 cases of children primary nephrotic syndrome. 9 cases were divided into 2 groups: G1 is the group of steroid sensitive nephritic syndrome, a total of 4 cases; G2 is the group of steroid resistance nephrotic syndrome, a total of 5 cases. Selected the abnormal DNA methylation in children steroid resistant nephritic syndrome, clarified the function of those genes through using functional annotation of gene GO, enrichment analysis and KEGG pathway analysis, conducted the preliminary analysis on children with steroid resistant nephrotic syndrome of gene methylation. Results Compared with the control group, G2 has a number of genes that were extensively methylated. According to the results of bioinformatics analysis, the abnormal DNA methylation in G2 is the components of the various kinds of organelles and cell membrane. They also regulated the polymerization and composition of cytoskeleton and actin, as well as involved in the process of metabolism of many amino acids and drug. Conclusions The abnormal DNA methylation in the group 2 have extensive role, offering possibility of clinical prediction and provided potential therapeutic targets.

Objective To study the course of different cervical nerve segments and their related intervertebral foramen’s size so as to increase safety and decrease complications in microinvasive surgery for cervical syndrome. Methods Fifteen human cervical specimens (30 sides) were anatomically observed for the course, branches and distribution of cervical nerves. Results The diameter of intervertebral foramen ranges from 0.54 to 0.65 cm, and increases gradually from top to bottom. The vertical diameter and anteroposterior diameter between C4, C5 and C6 vertebrae are smaller, and those between C3 and C7 are larger, but the diameter line of nerve root in intervertebral foramen from up to down gradually increases. The anteversion angle between nerve root and spine cord on horizontal plane is from 15? to 19?, within a small variation, while the declination angle on coronal plane gradually decreases from C3 to C7. There exist plenty of anastomosis branches among the cervical dorsal rami. Conclusion In the range of 0.6 cm around articular process at the entrance of intervertebral foramen, it is the narrowest part, the removal of which may alleviate the pressure on nerve root and benefit spinal stability. Because of the general existence of anastomosis branches of cervical nerve, the symptoms of cervical syndrome are not completely consistent to innervation. The intervertebral foramen between C4, C5, C6 is relatively small and the diameter line of nerve root is comparatively large, so the nerve root at C4, C5, C6 is most likely to be pressed.