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1.
Chinese Journal of School Health ; (12): 769-772, 2023.
Article in Chinese | WPRIM | ID: wpr-974001

ABSTRACT

Objective@#To explore the association between incidence of injuries and health related behavior among middle school students in China, to provide evidence for injury prevention.@*Methods@#A questionnaire survey was conducted among 1 067 students who were selected from Zhejiang, Guangdong, Jiangxi, Sichuan and Guizhou provinces by using stratified random cluster sampling method. Chi square test and multiple Logistic regression analyses were used to analyze incidence of injuries and health related behavior.@*Results@#The prevalence of self injury among middle school students in five provinces was 11.0%, the prevalence of intentional injury was 13.2%. Multiple Logistic regression analyses showed that attempting smoking, not eating breakfast every day, having a low mood more than 2 weeks in the past 6 months were positively correlated with self injury ( OR=3.02, 2.04, 4.30, P <0.01) after adjusting for region, and the smoking attempt behavior was positively correlated with intentional injury ( OR=2.03, P <0.05) after adjusting for region, urban and rural, residence condition, weekly allowance condition.@*Conclusion@#Smoking attempt behavior could be viewed as a shared predictor for both self injury and intentional injury behavior among middle school students, smoking control intervention should be carried out actively among students.

2.
J Biosci ; 2014 Jun; 39 (3): 415-423
Article in English | IMSEAR | ID: sea-161953

ABSTRACT

In the present study, the human liposarcoma cell line SW872 was used to identify global changes in gene expression profiles occurring during adipogenesis. We further explored some of the genes expressed during the late phase of adipocyte differentiation. These genes may play a major role in promoting excessive proliferation and accumulation of lipid droplets, which contribute to the development of obesity. By using microarray-based technology, we examined differential gene expression in early differentiated adipocytes and late differentiated adipocytes. Validated genes exhibited a ≥10-fold increase in the late phase of adipocyte differentiation by polymerase chain reaction (RT-PCR). Compared with undifferentiated preadipocytes, we found that 763 genes were increased in early differentiated adipocytes, and 667 genes were increased in later differentiated adipocytes. Furthermore, 21 genes were found being expressed 10-fold higher in the late phase of adipocyte differentiation. The results were in accordance with the RTPCR test, which validated 11 genes, namely, CIDEC, PID1, LYRM1, ADD1, PPARγ2, ANGPTL4, ADIPOQ, ACOX1, FIP1L1, MAP3K2 and PEX14. Most of these genes were found being expressed in the later phase of adipocyte differentiation involved in obesity-related diseases. The findings may help to better understand the mechanism of obesity and related diseases.

3.
J Biosci ; 2014 Jun; 39 (3): 415-423
Article in English | IMSEAR | ID: sea-161930

ABSTRACT

In the present study, the human liposarcoma cell line SW872 was used to identify global changes in gene expression profiles occurring during adipogenesis. We further explored some of the genes expressed during the late phase of adipocyte differentiation. These genes may play a major role in promoting excessive proliferation and accumulation of lipid droplets, which contribute to the development of obesity. By using microarray-based technology, we examined differential gene expression in early differentiated adipocytes and late differentiated adipocytes. Validated genes exhibited a ≥10-fold increase in the late phase of adipocyte differentiation by polymerase chain reaction (RT-PCR). Compared with undifferentiated preadipocytes, we found that 763 genes were increased in early differentiated adipocytes, and 667 genes were increased in later differentiated adipocytes. Furthermore, 21 genes were found being expressed 10-fold higher in the late phase of adipocyte differentiation. The results were in accordance with the RTPCR test, which validated 11 genes, namely, CIDEC, PID1, LYRM1, ADD1, PPARγ2, ANGPTL4, ADIPOQ, ACOX1, FIP1L1, MAP3K2 and PEX14. Most of these genes were found being expressed in the later phase of adipocyte differentiation involved in obesity-related diseases. The findings may help to better understand the mechanism of obesity and related diseases.

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