Ai Sakamoto

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Dioecy is a plant mating system in which individuals of a species are either male or female. Although many flowering plants evolved independently from hermaphroditism to dioecy, the molecular mechanism underlying this transition remains largely unknown. Sex determination in the dioecious plant Asparagus officinalis is controlled by X and Y chromosomes; the(More)
Dimethyl sulfide (DMS) derived from marine biological activity affects radiative forcing of the climate. The general analytical technique for DMS in seawater (purge and trap analytical method, P&T) is complex onboard ship. Thus it is difficult to obtain sufficient data for a comprehensive understanding of the spatiotemporal variability of DMS in the sea(More)
OBJECTIVES The aim of this study was to systematically review intervention programs for frail elderly people enrolled in the Japanese social long-term care insurance system to clarify the effects and identify any problems. METHODS We reviewed 61 articles (7 in English and 54 in Japanese) from four databases: MEDLINE, CINAHL, PsycInfo, and "Igaku Chuo(More)
OBJECTIVE To study the association between the number of area-level and individual-level social participation items and cognitive function in the community-dwelling older populations of three towns in Hokkaido, Japan. METHODS A survey on the frequency of social participation was mailed to those in the Japan Gerontological Evaluation Study 2013 who were(More)
BACKGROUND Although preparation of a potential vaginal space between the bladder and rectum is a pivotal step in various vaginal reconstructions for patients with vaginal agenesis, few papers have mentioned the importance of this procedure. CASE We report the successful creation of a neovagina in 3 Japanese patients with Mayer-Rokitansky-Küster-Hauser(More)
AIM Autonomic nervous system activity was studied to evaluate the physical and mental state of women with unexplained recurrent pregnancy loss (RPL). METHODS Heart rate variability (HRV) is a measure of beat-to-beat temporal changes in heart rate and provides indirect insight into autonomic nervous system tone and can be used to assess sympathetic and(More)
Acquired idiopathic chylous ascites is extremely rare in women of reproductive age. This is the first report describing successful infertility and pregnancy management in a patient with idiopathic chylous ascites. A 23-year-old woman presented with abdominal distention and was diagnosed with idiopathic fluid collection. A lymphogram revealed lymphatic(More)
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