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Wang Y.,Capital Medical University | Wang Y.,Municipal Key Laboratory of Clinical Epidemiology | Wang W.,Capital Medical University | Wang W.,Municipal Key Laboratory of Clinical Epidemiology | And 2 more authors.
Asia-Pacific Journal of Public Health | Year: 2015

Increasing incidence of thyroid cancer has been observed in some countries such as the United States, United Kingdom, France, and so on. Joinpoint regression was used to analyze the incidence of thyroid cancer in Shanghai, China, from 1983 to 2007. The results showed that there were 2 distinct slopes: in men, representing a significant annual percentage change (APC) of 2.6% from 1983 to 2000 (P <.001) followed by a sharp APC of 14.4% (P <.001), and in women, representing a significant APC of 4.9% from 1983 to 2003 (P <.001) followed by a sharp APC of 19.9% (P =.001). The sharp increase in thyroid cancer occurred 5 and 8 years after the iodine supplementation by salt, for men and women, respectively, suggesting that either the developed screening techniques or iodine supplementation might have contributed to the rapid increase in the incidence of thyroid cancer. The burden of thyroid cancer cases is expected to be substantial, based on predictions through 2020. © 2012 APJPH. Source


Yan Y.-X.,Capital Medical University | Yan Y.-X.,Municipal Key Laboratory of Clinical Epidemiology | Dong J.,Capital Medical University | Liu Y.-Q.,Capital Medical University | And 9 more authors.
Stress | Year: 2015

Suboptimal health status (SHS) has become a new public health challenge in China. This study investigated whether high SHS is associated with psychosocial stress, changes in cortisol level and/or glucocorticoid receptor (GR) isoform expression. Three-hundred eighty-six workers employed in three companies in Beijing were recruited. The SHS score was derived from data collection in the SHS questionnaire (SHSQ-25). The short standard version of the Copenhagen Psychosocial Questionnaire (COPSOQ) was used to assess job-related psychosocial stress. The mean value of the five scales of COPSOQ and distribution of plasma cortisol and mRNA expression of GRα/GRβ between the high level of SHS group and the low level of SHS group were compared using a general linear model procedure. Multiple linear regression analysis was used to analyze the effect of psychosocial stress on SHS. We identified three factors that were predictive of SHS, including "demands at work", "interpersonal relations and leadership" and "insecurity at work". Significantly higher levels of plasma cortisol and GRβ/GRα mRNA ratio were observed among the high SHS group. High level of SHS is associated with decreased mRNA expression of GRα. This study confirmed the association between chronic psychosocial stress and SHS, indicating that improving the psychosocial work environment may reduce SHS and then prevent chronic diseases effectively. © 2015 Informa UK Ltd. Source


Lu J.-P.,Capital Medical University | Lu J.-P.,Municipal Key Laboratory of Clinical Epidemiology | Knezevic A.,Genos Ltd | Wang Y.-X.,Capital Medical University | And 22 more authors.
Journal of Proteome Research | Year: 2011

N-glycans play an essential role in biological process and are associated with age, gender, and body mass parameters in Caucasian populations, whereas no study has been reported in Chinese populations. To investigate the correlation between N-glycan structures and metabolic syndrome (MetS) components, we conducted a population-based study in 212 Chinese Han individuals. The replication study was performed on 520 unrelated individuals from a Croatian island Korcula. The most prominent observation was the consistent positive correlations between different forms of triantennary glycans and negative correlations between glycans containing core-fucose with MetS components including BMI, SBP, DBP, and fasting plasma glucose (FPG) simultaneously. Significant differences in a number of N-glycan traits were also detected between normal and abnormal groups of BMI, BP, and FPG, respectively. In the multivariate analysis, the level of monosialylated glycans (structure loadings = -0.776) was the most correlated with the MetS related risk factors, especially with SBP (structure loadings = 0.907). Results presented here are showing that variations in the composition of the N-glycome in human plasma could represent the alternations of human metabolism and could be potential biomarkers of MetS. © 2011 American Chemical Society. Source


Dong J.,Capital Medical University | Ni Y.-Q.,Capital Medical University | Chu X.,Capital Medical University | Liu Y.-Q.,Capital Medical University | And 6 more authors.
Public Health | Year: 2016

Background: Obesity has become a major health problem in contemporary society and it is closely related to many chronic diseases, so it is an important issue for measuring adiposity accurately and predicting its future. Prevention and treatment of overweight and obesity has become one of the key prevention and treatment of metabolic disorders. Objective: In this study, we compared the ability of the four anthropometric indicators (body mass index, waist circumstance, waist-height ratio, waist-to-hip ratio) to identify metabolic disorders (hypertension, hyperlipidaemia, hyperglycemia and hyperuricemia) by receiver operating characteristic (ROC) curve analyses and to provide evidence for clinical practice. Methods: In this large scale cross-sectional study, 13,275 Han adults (including 7595 males and 5680 females) received physical examination between January, 2009 and January, 2010 in Xuanwu Hospital of Capital Medical University were investigated by the means of questionnaire, Meanwhile, the physical examination and serological results were recorded. A package known as Statistical Package for Social Scientist (SPSS) was employed to analyse the responses while t-test, one-way analysis of variance (ANOVA), ROC analysis and chi-square statistical methods were used to test the hypotheses. Results: WC, WHtR, WHR and BMI were all significantly (P < 0.001) correlated with all metabolic risk factors regardless of gender. And the area under the curve (AUC) of WHtR was significantly greater than that of WC, BMI or WHR in the prediction of hypertension, hyperlipidaemia, hyperglycemia and hyperuricemia. Conclusion: Our data show that WHtR was the best predictor of various metabolic disorders. The diagnostic value in descending order was WHtR > WHR > WC > BMI. Therefore we recommend WHtR in assessment of obese patients, in order to better assess the risks of their metabolic diseases. © 2015 The Royal Society for Public Health. Source


Zhang X.,U.S. Center for Disease Control and Prevention | Yu Y.,Capital Medical University | Zhang J.,Capital Medical University | Zhang J.,Municipal Key Laboratory of Clinical Epidemiology | And 10 more authors.
Vaccine | Year: 2014

In recent years, the number of breakthrough cases of varicella (onset >42 days after vaccination) increased each year, and varicella outbreaks continue to occur in Beijing. Data from the Immunization Information System and the Infectious Disease Reporting System demonstrated that in Beijing's Fengtai District, the varicella breakthrough rate increased from 0.7% in 2008 to 2.5% in 2012 and showed an increased trend (P<. 0.001). Among the varicella cases in children (age of 3-15 years), the number of breakthrough cases increased from 167 in 2008 to 622 in 2012, which was 45.2% (n= 1735) of the total child cases (n= 3842). From 2008 to 2012, a total of 62 outbreaks occurred; among the 787 affected child outbreak cases, 61% were vaccinated. Altogether, the results from this study indicated that 1-dose vaccination cannot sufficiently prevent the occurrence of breakthrough cases of varicella or control varicella outbreaks in Beijing's Fengtai District. © 2014 Elsevier Ltd. Source

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