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Remote Cardiac Rehabilitation With Wearable Devices
Atsuko Nakayama,Noriko Ishii,Mami Mantani,Kazumi Samukawa,Rieko Tsuneta,Megumi Marukawa,Kayoko Ohno,Azusa Yoshida,Emiko Hasegawa,Junko Sakamoto,Kentaro Hori,Shinya Takahashi,Kaoruko Komuro,Takashi Hir 대한심장학회 2023 Korean Circulation Journal Vol.53 No.11
Although cardiac rehabilitation (CR) has been shown to improve exercise tolerance and prognosis in patients with cardiovascular diseases, there remains low participation in outpatient CR. This may be attributed to the patients’ busy schedules and difficulty in visiting the hospital due to distance, cost, avoidance of exercise, and severity of coronary disease. To overcome these challenges, many countries are exploring the possibility of remote CR. Specifically, there is increasing attention on the development of remote CR devices, which allow transmission of vital information to the hospital via a remote CR application linked to a wearable device for telemonitoring by dedicated hospital staff. In addition, remote CR programs can support return to work after hospitalization. Previous studies have demonstrated the effects of remote CR on exercise tolerance. However, the preventive effects of remote CR on cardiac events and mortality remain controversial. Thus, safe and effective remote CR requires exercise risk stratification for each patient, telenursing by skilled staff, and multidisciplinary interventions. Therefore, quality assurance of telenursing and multi-disciplinary interventions will be essential for remote CR. Remote CR may become an important part of cardiac management in the future. However, issues such as cost-effectiveness and insurance coverage still persist.
Kawamura, Satoshi,Horie, Nobuyuki,Okahashi, Noriko,Higuchi, Hashihiro Korean Society of ToxicologyKorea Environmental Mu 2019 Toxicological Research Vol.35 No.4
Many in vitro developmental toxicity assays have been proposed over several decades. Since the late 1980s, we have made intermittent attempts to introduce in vitro assays as screening tests for developmental toxicity of inhouse candidate products. Two cell-based assays which were developed two decades apart were intensively studied. One was an assay of inhibitory effects on mouse ascites tumor cell attachment to a concanavalin A-coated plastic sheet surface (MOT assay), which we studied in the early days of assay development. The other was an assay of inhibitory effects on the differentiation of mouse embryonic stem cell to beating heart cells (EST assay), which we assessed more recently. We evaluated the suitability of the assays for screening in-house candidates. The concordance rates with in vivo developmental toxicity were at the 60% level. The EST assay classified chemicals that inhibited cell proliferation as embryo-toxic. Both assays had a significant false positive rate. The assays were generally considered unsuitable for screening the developmental toxicity of our candidate compounds. Recent test systems adopt advanced technologies. Despite such evolution of materials and methods, the concordance rates of the EST and MOT systems were similar. This may suggest that the fundamental predictivity of in vitro developmental toxicity assays has remained basically unchanged for decades. To improve their predictivity, in vitro developmental toxicity assays should be strictly based on elucidated pathogenetic mechanisms of developmental toxicity.
Satoshi Kawamura,Nobuyuki Horie,Noriko Okahashi,Hashihiro Higuchi 한국독성학회 2019 Toxicological Research Vol.35 No.4
Many in vitro developmental toxicity assays have been proposed over several decades. Since the late 1980s, we have made intermittent attempts to introduce in vitro assays as screening tests for developmental toxicity of inhouse candidate products. Two cell-based assays which were developed two decades apart were intensively studied. One was an assay of inhibitory effects on mouse ascites tumor cell attachment to a concanavalin A-coated plastic sheet surface (MOT assay), which we studied in the early days of assay development. The other was an assay of inhibitory effects on the differentiation of mouse embryonic stem cell to beating heart cells (EST assay), which we assessed more recently. We evaluated the suitability of the assays for screening in-house candidates. The concordance rates with in vivo developmental toxicity were at the 60% level. The EST assay classified chemicals that inhibited cell proliferation as embryo-toxic. Both assays had a significant false positive rate. The assays were generally considered unsuitable for screening the developmental toxicity of our candidate compounds. Recent test systems adopt advanced technologies. Despite such evolution of materials and methods, the concordance rates of the EST and MOT systems were similar. This may suggest that the fundamental predictivity of in vitro developmental toxicity assays has remained basically unchanged for decades. To improve their predictivity, in vitro developmental toxicity assays should be strictly based on elucidated pathogenetic mechanisms of developmental toxicity.
Miho Ota,Junko Matsuo,Noriko Sato,Toshiya Teraishi,Hiroaki Hori,Kotaro Hattori,Yoko Kamio,Norihide Maikusa,Hiroshi Matsuda,Hiroshi Kunugi 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.11
Objective Autistic spectrum traits are postulated to lie on a continuum that extends between individuals with autism and individuals with typical development. The present study was carried out to investigate functional and network abnormalities associated with autistic spectrum trait in healthy male subjects. Methods Subjects were 41 healthy male subjects who underwent the social responsiveness scale-adult (SRS-A) and magnetic resonance imaging. Results There was significant positive correlation between the total score of SRS-A and the regional cerebral blood flow (CBF) in posterior cingulate cortex (PCC). Also, there were changes in functional network such as in cingulate corti, insula and fusiform cortex. Further, we also found the significant difference of functional networks between the healthy male subjects with high or low autistic spectrum trait, and these points were congruent with the previous perceptions derived from autistic-spectrum disorders. Conclusion These findings suggest a biological basis for the autistic spectrum trait and may be useful for the imaging marker of autism symptomatology.
Miho Ota,Junko Matsuo,Noriko Sato,Toshiya Teraishi,Hiroaki Hori,Kotaro Hattori,Yoko Kamio,Norihide Maikusa,Hiroshi Matsuda,Hiroshi Kunugi 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.10
Objective: Autistic spectrum traits are postulated to lie on a continuum that extends between individuals with autism and individuals with typical development. The present study was carried out to investigate functional and network abnormalities associated with autistic spectrum trait in healthy male subjects. Methods: Subjects were 41 healthy male subjects who underwent the social responsiveness scale-adult (SRS-A) and magnetic resonance imaging. Results: There was significant positive correlation between the total score of SRS-A and the regional cerebral blood flow (CBF) in posterior cingulate cortex (PCC). Also, there were changes in functional network such as in cingulate corti, insula and fusiform cortex. Further, we also found the significant difference of functional networks between the healthy male subjects with high or low autistic spectrum trait, and these points were congruent with the previous perceptions derived from autistic-spectrum disorders. Conclusion: These findings suggest a biological basis for the autistic spectrum trait and may be useful for the imaging marker of autism symptomatology.
Toshio Nakamura,Haruo Yamamura,박경호,Caroline Pereira,Yoshikazu Uchida,Noriko Horie,김무조,Satoshi Itami 한국식품영양과학회 2018 Journal of medicinal food Vol.21 No.7
Alopecia is divided into two categories: androgenic alopecia and nonandrogenic alopecia. An androgen-dependent abnormality of biological functions causes alopecia in males, but the role of androgens is not yet elucidated in female pattern hair loss (FPHL). Modulation of androgenic activity is not effective in certain kinds of androgenic alopecia in females, as well as in cases of nonandrogenic alopecia in males and females. The hair growth drug, minoxidil, stimulates vascular endothelial growth factor (VEGF) production as well as vascularization and hair growth in females. Yet, because minoxidil has side effects with long-term use, a safe alternative hair growth agent is needed. Whereas hair develops after birth in mammalian species, hair mostly grows in a precocial bird, in the chicken, between hatching days 14 and 15. Therefore, we hypothesized that the chicken egg contains a key hair growth factor. In this study, we demonstrated that water-soluble peptides derived from the egg yolk stimulate VEGF production and human hair follicle dermal papilla cell growth. We also found that these peptides enhance murine hair growth and improve hair growth in FPHL. Finally, we characterized that water-soluble egg yolk peptides induce VEGF expression through insulin growth factor-1 receptor activation-induced hypoxia-inducible factor-1α transcription pathway. We have given the name “hair growth peptide (HGP)” to this water-soluble egg yolk peptide.