2012 Fiscal Year Final Research Report
Circadian rhythms and endogenous melatonin in childhood in relation to growth and obesity
| Project/Area Number |
23790688
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Public health/Health science
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| Research Institution | Gifu University |
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Principal Investigator |
WADA Keiko 岐阜大学, 医学系研究科, 助教 (00532673)
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| Project Period (FY) |
2011 – 2012
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| Keywords | 疫学 / サーカディアンリズム |
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| Research Abstract |
Subjects were about 600 preschoolers and 2,500 elementary school students. Information related to children’s height, weight, birth weight and lifestyles including sleep, light exposure at night, diet, physical activity, behavior problems, the time in front of screens, passive smoking, and mother’s anthropometric and psychological characteristics was obtained from parent or self -administered questionnaires. At the same time, parents provided their children’s first-void morning urine for measurements of 6-sulfatoxymelatonin. Among some children, overweight and metabolic syndrome were diagnosed by health checkup. We assessed the association of sex, age, body mass, sex steroid hormones, and lifestyle factors with the levels of melatonin in children. We also aimed to investigate whether endogenous melatonin was associated with the parameters of sleep and behavioral problems.
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[Journal Article] Associations of urinary 6-sulfatoxymelatonin with demographics, body mass, sex steroids, and lifestyle factors in preschool Japanese children2013
Author(s)
Wada K, Nakamura K, Tamai Y, Tsuji M, Masue T, Watanabe K, Ando K, Nagata C
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Journal Title
Ann Epidemiol
Volume: 23(2)
Pages: 60-5
Peer Reviewed
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[Journal Article] Associations of intakes of fat, dietary fiber, soy isoflavones, and alcohol with levels of sex hormones and prolactin in premenopausal Japanese women2012
Author(s)
Tsuji M, Tamai Y, Wada K, Nakamura K, Hayashi M, Takeda N, Yasuda K, Nagata C
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Journal Title
Cancer Causes Control
Volume: 23(5)
Pages: 683-9
Peer Reviewed
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