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1.
Chinese Journal of School Health ; (12): 237-239, 2021.
Article in Chinese | WPRIM | ID: wpr-873646

ABSTRACT

Objective@#To investigate eating behavior and associated family factors of preschool children during the prevalence of Corona Virus Disease(COVID-19), and to provide scientific basis for healthy eating behavior for preschool children.@*Methods@#A total of 1 829 preschool children were investigated by electronic questionnaire from 5 kindergartens in Shenzhen from March 18-20, 2020. SPSS 19.0 was used to perform logistic regression analysis on the factors for eating behavior.@*Results@#The rate of unhealthy eating behavior during the prevalence of COVID-19 was 47.2%. The rate of unhealthy eating behaviors in boys and girls were 46.1% and 48.4%, respectively. And there was no significant difference between different genders(χ 2=1.02,P=0.31). The rate of unhealthy eating behaviors of preschool children aged 3-, 4-, 5- and 6- were 56.6%, 56.8%, 42.3% and 29.9%, respectively, and the differences between different ages were significant(χ 2=72.17,P<0.01). Logistic regression analysis showed that fathers high education level, mothers education level(OR=0.78,0.77,0.21), and parents satisfaction with children s eating were associated with low nutritional problems of child, while parental permission to play while eating, criticize while eating, force child to eat more and force child to eat foods they do not like, and parental concerns about children s appetite, were associated with more unhealthy eating behavior(OR=6.29,1.80,2.20,1.70,2.16)(P<0.05).@*Conclusion@#The prevalence of unhealthy eating behaviors of preschool children during the prevalence of COVID-19 is lower than usual, but the health education of preschool children s families still needs to be strengthened.

2.
Braz. j. med. biol. res ; 54(4): e10117, 2021. tab, graf
Article in English | LILACS | ID: biblio-1153531

ABSTRACT

The long noncoding RNA (lncRNA) H19 is involved in the pathogenesis of endometriosis by modulating the proliferation and invasion of ectopic endometrial cells in vitro, but related in vivo studies are rare. This study aimed to investigate the role of lncRNA H19 in a nude mouse model of endometriosis. Ectopic endometrial stromal cells (ecESCs) were isolated from ectopic endometrium of patients with endometriosis and infected with lentiviruses expressing short hairpin RNA (shRNA) negative control (LV-NC-shRNA) or lncRNA-H19 shRNA (LV-H19-shRNA). The ecESCs infected with LV-NC-shRNA and LV-H19-shRNA were subcutaneously implanted into forty 6- to 8-week-old female nude mice. The size and weight of the endometriotic implants were measured at 1, 2, 3, and 4 weeks after implantation and compared, and lncRNA H19 levels in endometriotic implants were evaluated using real-time polymerase chain reaction (RT-PCR). All nude mice survived the experimental period, and no significant differences in body weight were observed between the experimental group and the control group. All nude mice developed histologically confirmed subcutaneous endometriotic lesions with glandular structures and stroma after 1 week of implantation. The subcutaneous lesions in the LV-NC-shRNA group after 1, 2, 3, and 4 weeks of implantation were larger than those in the LV-H19-shRNA group, and lncRNA H19 levels in subcutaneous lesions in the LV-NC-shRNA group were significantly higher than those in the LV-H19-shRNA group. Knockdown of lncRNA H19 suppresses endometriosis in vivo. Further study is required to explore the underlying mechanism in the future.


Subject(s)
Humans , Animals , Female , Rabbits , Endometriosis/genetics , RNA, Long Noncoding/genetics , RNA, Small Interfering/genetics , Cell Proliferation/genetics , Endometrium , Mice, Nude
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