Insulin resistance is the important base of the pathogenesis of type 2 diabetes.Physical exercise can improve insulin sensitivity.This article presents an overview of how physical exercise improves insulin resistance and helps the prevention and treatment of diabetes mellitus by analyzing its influence on the level of insulin receptor and post-receptor and adipose cell cytokine.

Objective To explore the levels of serum interleukin-6 and interleukin-18 in newly diagnosed type 2 diabetes mellitus (T2DM) and investigate their roles. Methods The serum interleukin-6 and interleukin-18 levels were detected in 50 newly, diagnosed T2DM patients (T2DM group) and 40 normal subjects (control group). Fasting blood glucose, fasting insulin, blood lipid, body mass index (BMI) and waist/hip ratio (WHR) were measured. HOMA-IR and HOMA-β were calculated. Results The serum interleukin-6 and interleukin-18 levels in T2DM group were significantly higher than those in control group [(2.56 ± 1.09) ng/L vs (1.81±0.80) ng/L, (5.38±0.91) ng/L vs (4.62±0.59)ng/L] (P <0.01).Interleukin-6 level was positively correlated with HbA_1c,while interleukin-18 level was positively correlated with BMI and WHR. Interleukin-6 and interleukin-18 levels were positively correlated. Interleukin-6 and interhukin-18 could predicted the insulin resistance. Conclusion Interleukin-6 and interleukin-18 take part in the development of T2DM, and can be related to the insulin resistance.

Objective To investigate the effect of EGB on SOD, MDA of ventilator-induced lung injury in rats and its possible mechanisms. Methods Thirty male SD rats were randomly divided into 3 groups: control group (C group), high tidal ventilation group (H group) and EGB group (E group). The setting mechanical ventilation was VT=30 mL/kg, RR=40/min, I/E=1/3, PEEP=0 cmH2 O and FiO2=21%. The broncho-alveolar lavage fluid (BLAF) and serum were obtained for determination of the levels of SOD and MDA at the end of 4 h mechanical ventilation. The Lungs were removed, and the wet-to-dry weight ratio (W/D) and pulmonary pathologic changes were measured. Results As compared with C group, W/D and the levels of MDA were significantly increased in H group, but the levels of SOD were reduced in H group. As compared with H group, W/D and the levels of MDA were significantly decreased in E group, but the levels of SOD were increased in E group. Pulmonary pathologic changes were alleviated in E group comparing with H group. Conclusion EGB injection may have a protective role against hyperoxia and induced pulmonary damage in rats.

Objective To observe the effect of paraoxonase 1 (PON1) application of the new method of arylesterase activity in patients with coronary heart disease,analysis of paraoxonase 1 (PON1) of the clinical value of arylesterase activity in the new testing method.Methods From January 2014 to January 2016 in our hospital 86 patients with coronary heart disease as the research object,and then select the healthy people at the same time to the hospital physical examination of 50 as the control group to take the research object,spectrophotometric method for the determination of coronary heart disease patients and control subjects serum PON1 arylesterase activity,PON1 arylesterase activity at the same time with statistics the different degree of coronary heart disease,PON1 arylesterase activity between patients with coronary heart disease and control group comparison study and different severity of coronary heart disease patients,the patients with coronary heart disease PON1 aromatic ester enzyme activity,age,gender,BMI,TC,total cholesterol,low density lipoprotein cholesterol LDL-C and glycerin three greases TG included in the analysis of factors of coronary heart disease multiple linear regression equation,to determine the changes of patients with coronary artery disease by PON1 arylesterase activity,to provide a reference for clinical treatment.Results The activity of PON1 in patients with coronary heart disease was significantly lower than that of the control group,and the difference was statistically significant (P<0.05).Single branch lesions in patients with PON1 arylesterase activity was significantly higher than that of double vessel lesions and three lesions were double branch lesions in patients with PON1 arylesterase activity was significantly higher than that in three patients,the differences were statistically significant (P<0.05).According to the multiple linear regression analysis showed that coronary heart disease and the patient′s age,gender,BMI,TC,LDL-C,TG and PON1 arylesterase activity (P<0.05),which was related with age,gender,BMI,TC,LDL-C and TG were positively correlated,negatively correlated with PON1 arylesterase activity.Conclusion The PON1 activity of in patients with coronary heart disease is significantly decreased,and the extent of the disease is more severe,the more obvious the decline of PON1,the activity of PON1 shows a negative correlation with coronary heart disease.

Child, Preschool ; Female ; Humans ; Infant ; Male ; Methionine ; blood ; Tyrosine ; blood ; Tyrosine Transaminase ; deficiency ; Tyrosinemias ; blood ; diagnosis ; enzymology ; pathology ; therapy

OBJECTIVETo study the inhibitory effect of wogonin on the growth and proliferation of breast cancer cells MDA-MB-23, and observe its effect on the adhesion, migration and invasion of MDA-MB-23 cells, in order to further study its molecular mechanism.

METHODMTT assay was used to detect the effect of wogonin on MDA-MB-23 cell growth. Ki-67 assay was adopted to test the effect of wogonin on cell proliferation. Scratch test, adherence test and invasion chamber assay were taken to detect the effect on the migration and invasion abilities of MDA-MB-231 cells. Proliferation and metastasis-related proteins and relevant signaling pathways were detected by Western blotting.

RESULTWogonin could remarkably inhibit the growth and proliferation of MDA-MB-231 cells, significantly inhibit migration, adhesion and invasion abilities of breast cancer cells at a low concentration, and effectively inhibit the expression of Survivin, Bcl-2, ICAM-1, MMP-2, MMP-9 proteins of MDA-MB-231 cells.

CONCLUSIONWogonin could notably inhibit growth and proliferation of breast cancer cells, and inhibit migration, adhesion and invasion of MDA-MB-231 cells. Its invasive and adhesive effects on MDA-MB-231 cells may be related to the decrease in ICAM-1, MMP-2, MMP-9 expressions.

Breast Neoplasms ; genetics ; metabolism ; pathology ; physiopathology ; Cell Line, Tumor ; Cell Movement ; drug effects ; Cell Proliferation ; drug effects ; Drugs, Chinese Herbal ; pharmacology ; Female ; Flavanones ; pharmacology ; Gene Expression Regulation, Neoplastic ; drug effects ; Humans ; Intercellular Adhesion Molecule-1 ; genetics ; metabolism ; Matrix Metalloproteinase 2 ; genetics ; metabolism ; Matrix Metalloproteinase 9 ; genetics ; metabolism ; Neoplasm Invasiveness ; Signal Transduction ; drug effects

The study of neuronal activity with low frequency has shown an increasing interest for its greater stability and reliability recent years. One challenge in analyzing this kind of activity is to find similarities and differences between signals efficiently and effectively. The traditional analysis methods, such as short-time Fourier transform, are easily obscured by background noises and often involve a large number of parameters. Therefore, this paper introduces a novel time-frequency analysis method based on wavelet transformation and half-ellipsoid modeling to extract instantaneous frequency and instantaneous phase information. This method overcomes some shortcomings of conventional time-frequency analysis. In this method, wavelet transformation is used to provide high-level representations of raw signals, and parsimonious half-ellipsoid models are used to extract changes in time domain and frequency domain of neural recordings. The method was validated to local field potentials (LFPs) of olfactory bulb of anesthetized rats during three different odor stimuli. The results suggested that this method could detect odor-relevant features from olfactory signals with large variability. The Odors then were classified with support vector machine (SVM) algorithm and the classification accuracy reached 79.4%.
Algorithms ; Animals ; Evoked Potentials ; Fourier Analysis ; Odorants ; analysis ; Olfactory Bulb ; physiology ; Rats ; Reproducibility of Results ; Smell ; physiology ; Support Vector Machine ; Wavelet Analysis

Objective To study whether there was significant difference between pregnant women , data and the results of prenatal screening of single intrauterine fetal death ( sIUFD) when twin pregnancy and singleton pregnancy for guiding the clinical prenatal screening and risk consulting .Methods By comparative study, 56 cases of sIUFD when twin pregnancy were recorded from 2011 to 2014 in Ningbo Prenatal Diagnosis Center , all were natural pregnancy , the sistens gestational weeks were less than 14 weeks , and 4 993 natural singleton pregnancy .The pregnant women , data and the results of serological prenatal screening between sIUFD and singleton pregnancy were analyzed by t-test and rank sum test .Separately , the 56 cases of prenatal screening , risk value was calculated according to the twins and singleton , then the difference were analyzed combined with the results of follow-up.Results Pregnant women , data of two groups were analyzed, there were no statistically significant difference between sIUFD and singleton pregnancy .The age of sIUFD and singleton was (27 ±3)year-old and (27 ±3)year-old respectively, t=2.56, P>0.05; the weight of sIUFD and singleton was (55.2 ±10.23 ) kg and (56 ±10.34) kg, t=4.268, P>0.05.The gestational weeks of sIUFD and singleton were (39.21 ±0.78)weeks and (39.1 ±0.91) weeks, t=1.3, P>0.05;the weight of newborn was (3.38 ±0.41) kg and (3.31 ±0.43) kg, t=1.9, P>0.05.The AFP multiple of median (AFPMOM) of sIUFD and singleton was 1.41(0.99,1.83) and 1.02(0.84,1.24), Z=5.337, P<0.05.Free human chorionic gonadotropin beta multiple of median of sIUFD was 1.04(0.62, 1.64) and 0.99(0.67,1.51), Z=0.275, P>0.05;unconjugated estriol multiple of median of sIUFD and singleton was 1(0.79,1.16) and 1.01(0.85,1.21), Z=1.334, P>0.05.Trisomy 21 risk of sIUFD and singleton was 7 750(2 200,28 000) and 5 300(2 000,12 000), Z=2.093, P<0.05, that had significant difference.The 56 cases of prenatal screening risk value was calculated according to the twins and singleton , among whom 42 cases had the same conclusion , 14 cases had the different conclusion .Among them, according to singleton calculation , 3 cases for high risk, according to the twin calculation of high risk for 17 cases,χ2 =12.1, P <0.05.According to follow-up, all newborns were normal.Conclusions For the natural pregnancy , sIUFD when twin pregnancy , if the sistens gestational weeks less than 14 weeks, the risk of prenatal screening results calculated according to singleton will be more reasonable , as for the prenatal screening for twin pregnancy , the method needs further exploration .

Objective To examine the expression of CGRP in congenital pseudarthrosis of tibia(CPT) in order to find the pathogenesis of CPT.Methods Periosteum and bones from CPT patients were collected as experimental group.Immunohistochemistry stain was applied to determine the differences of the expression of CGRP in two groups.Results CGRP was located at vessel wall of periosteum and intracytoplasm of osteoblasts and osteoclasts in bones,its expression was significantly less in periosteum and bones of CPT than that in control group(P

Objective:To investigate the use of psychological testing in hospital and its potential existent ethical issues.Methods:Eleven psychometricians from 6 specialized and 5 general hospitals accepted a semi-structural interview.With (10.8 ± 8.8) years of experiences on average in this field,they tested 2 to 30 patients each day.Content analysis was used to investigate the psychometricians' qualification,usage of tests,informed consent,scoring,explanation and preservation.Results:Normally,the number of psychometricians in one hospital varied from 1 to 4.Out of 11 interviewees,2 were unqualified.Three of the interviewees pointed out there were non-standard circumstances when some doctors choosing the tests.Six of them thought that the frequently used tests' norms were obsolete.Eight interviewees considered that comparatively low psychometric fee influenced their devotion of explaining the results.Conclusion:In hospital,it's necessary to strength the ethical awareness of decision-makers and executors in psychological testing.