Bioelectrical impedance analysis(BIA)measures the body composition and its change by the electric feature of the extracellular fluid and intracellular fluid.It has been widely used for its noninvasiveness, convenience and accuracy, especially in population epidemiology and clinical monitoring.We aim to review the advantages and shortcomings,and try to discuss about the application of this technique and its potential.

0.05). Conclusion The changes of serum protein electrophoresis results in the parturient women were mainly presented with the decreased in albumin and ? globin levels, increased percent of ? 1,? 2 and ? globins, increased percent of ? 2 and ? globins markedly related with increased ? and ? lipoprotein. Agarose gel electrophoresis as a screening method for component of serum proteins is valuable.

We report herein the effects of varying dietary zinc contents on burns healing in 15% body surface area (BSA) Ⅲ? burned Lop rabbits. 18 adult male rabbits were given a low zinc diet for two weeks, resulting in a decrease of serum zinc concentration which further decreased postburn without restoration. On the contrary, serum was restored rapidly to normal levels in the zinc supplemented groups. Similar changes were found in serum alkaline phosphatase (AKP) activity, and there was a close relationship between serum zinc and serum AKP activity. Burns healing in the high zinc group was markedly faster than that in the low zinc group. These results strongly suggested that zinc might be a factor benefiting burns healing. We concluded that serum AKP activity could be used as a diagnostic criterion of postburn hypozincemia as well as a valid index in the assessment of the effectiveness of supplemented zinc.

Objective: To study the effect and possible mechanism of Ginsenoside Rg1 in sports CNS fatigue and dose-response relationship.Methods: Kun Ming male mice were divided randomly into 6 groups: control group and five different doses groups(5,10,20,40,80 mg/kg).They were treated orally with Ginsenoside Rg1 for 2 weeks.The levels of amino acids of brain tissue were tested after swimming for 90 min and the exhaustive swimming time were recorded.Results: The levels of BCAA and the ratio of BCAA/AAA in groups 5,10 and 20 mg/kg were significantly higher than control group and the levels of AAA in groups 5,10,20 and 40 mg/kg were significantly decreased.The exhaustive swimming time in groups 5,10 and 20 mg/kg were much longer than in control group.Conclusion: Through adjusting the ratio of BCAA and AAA and decreasing the level of excitatory amino acids neurotransmitter,Ginsenoside Rg1 can elevate movement ability and resist against CNS fatigue.The roles of mid-low and low doses may be better.

Objective To assess the association between serum γ-glutamyltransferase (γGT) levels and the risk of metabolic syndrome (MS),so as to provide a reference for prevention and diagnosis of MS.Methods Ten papers about the relationship between γGT level and incident MS published in Pubmed,Embase,and the Institute for Scientific Information (ISI),China Academic Journal Full-text Database,China National Knowledge Infrastructure Database and Wan Fang Digital Periodicals Database from January 2000 to April 2014 were retrieved and analysed.Results A total of 65 331 participants from the ten studies were included in the rmeta-analysis.The pooled RR was 2.06 (95％ CI 1.63-2.49) when the incidence of MS was compared between the highest and the lowest groups of γGT levels.A subgroup analysis was made in Asian and western populations.The pooled RR of MS in Asian population was 2.26 (95 ％ CI 1.65-2.87) and in western population it was 1.70 (95 ％ CI 1.15-2.25).Sensitivity analysis confirmed the stability of results.No publication bias was found in our meta-analysis by Egger's and Begg's test.Conclusion Current evidences from prospective studies indicate that risk of metabolic syndrome is increased in correlation with an increase in serum γGT,and serum γGT seems to be an important predictor for MS.

Objective To explore the clinical application of blood perfusion quantitatively by contrastenhanced ultrasonography(CEUS) to grade cerebral gliomas during operation. Methods Thirty-one patients with cerebral gliomas were examined by CEUS with Sonoliver software during operation. Maximum intensity (IMAX), time to peak (TTP), rising time (RT) and mean transit time(mTT) of the regions of interest (ROIs) of normal brain tissue and high- and low-grade gliomas were respectively determined and comparatively analyzed. Results Fifteen high-grade gliomas and sixteen low-grade gliomas were postoperatively confirmed by pathologic results. The administration of contrast agent led to higher echo enhancement in cerebral gliomas than normal brain tissues in all cases. The TTP of high- and low-grade gliomas were significantly shorter than that of normal cerebral tissues ( P ＜0.05) ,and the mTT was longer than that of normal brain tissue( P ＜0. 05). There was significant differences of IMAX and TTP between high- and low-grade gliomas(P ＜0.05), but there was no significant difference of RT and mTT between the two groups ( P ＞0.05). Conclusions CEUS with quantitative analysis software on blood perfusion of the tumors can provide valuable information to grade cerebral gliomas.

To study the protective effects of salidroside on oxidative damage in fatigue mice.

ObjectiveTo investigate the effects of simvastatin preconditioning on the expression of inducible and endothelial nitric oxide synthase ( iNOS,eNOS) in thoracic aorta in a rat model of sepsis.Methods Eighty pathogen-free female Wistar rats aged 4 months weighing 200-250 g were randomly divided into 4 groups:group normal control (group Ⅰ,n =8) ; group sham operation (group Ⅱ,n =8) ; group sepsis (group Ⅲ,n =32) and group simvastatin preconditioning (group Ⅳ,n =32).Sepsis was induced by cecal ligation and puncture (CLP) in groups Ⅲ and Ⅳ.In group Ⅳ simvastatin 20 mg/kg was given via a gastric tube once a day for 2 weeksbefore CLP.The thoracic aorta specimens were taken at 3,6,24 and 48 h after CLP (n =8 at each time point)for detection of iNOS and eNOS protein expression by Western blot analysis.ResultsCLP significantly up-regulated iNOS expression and down-regulated eNOS expression in group Ⅲ as compared with groups Ⅰ and Ⅱ.Simvastatin pretreatment significantly attenuated CLP-induced increase in iNOS expression and decrease in eNOS expression in group Ⅳ as compared with group Ⅲ.ConclusionSimvastatin preconditioning can protect vascular endothelial cells from septic injury by down-regulating iNOS expression and up-regulating eNOS expression in vascular endothelial cells.

ificantly lower than in both middle and low group(P＜0.05).Conclusion TP may improve the antioxidant ability of experimental aging mice.

The potential embryotoxicity, developmental toxicity and teratogenic effects of (3 or 8)-(l-methoxyethyl)-8 (or3)-hydroxyethyl-deuteroporphyrin (PsD-044) were investigated in Sprague-Dawley rats with the conventional teratological method in vivo. According to the recommending clinical dosage, PsD-044 was administered intravenously at 20, 10 and 5mg/kg, as compared to the negative control with saline and the positive control with sodium pentachlorophenolate, respectively on the 10th day of the gestation. Eighty-one pregnant rats and 803 fetuses were examined. The results suggest that the maternal toxicity, embryotoxicity and teratogenic effects of PsD-044 were not found, however, the malformation induced by known teratogen was as high as 14.1%.