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- 저자 : Kuwahara Daisuke (검색결과 2 건)
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Umehara Takuya,Inukai Ayaka,Kuwahara Daisuke,Kaneyashiki Ryo,Kaneguchi Akinori,Tsunematsu Miwako,Kakehashi Masayuki 대한척추외과학회 2022 Asian Spine Journal Vol.16 No.3
Study Design: A prospective cohort study.Purpose: This study aimed to reveal physical functions and comorbidity affecting collapse at ≥4 weeks after hospital admission of patients with osteoporotic vertebral fracture.Overview of Literature: Only a few studies have investigated the influence of physical function and activity on collapse in patients with osteoporotic vertebral fractures.Methods: This prospective cohort study analyzed patients with osteoporotic vertebral fractures admitted to the hospital between March 2018 and October 2019. Logistic regression analysis was performed to explore the predictors of vertebral collapse at >4 weeks after admission. Model 1 used basic medical information and physical functions at admission; model 2 used basic medical information and physical function and activity at >4 weeks after admission.Results: In the model 1 results of logistic regression analysis, cardiovascular disease (odds ratio [OR], 12.27; 95% confidence interval [CI], 1.28–117.91) was extracted as a factor affecting vertebral collapse at ≥4 weeks after admission. In the model 2 results of logistic regression analysis, cardiovascular disease (OR, 34.57; 95% CI, 2.53–471.74), movement control during one leg standing at 4 weeks (OR, 7.25; 95% CI, 1.36–38.71), and Pain Catastrophizing Scale score at 4 weeks (OR, 1.11; 95% CI, 1.01–1.21) were extracted as factors affecting vertebral collapse at ≥4 weeks after admission.Conclusions: Our results indicate that physical functions and comorbidity affect collapse at ≥4 weeks after admission in patients with osteoporotic vertebral fractures.
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Induction of allergic contact dermatitis by astigmatid mite-derived monoterpene, α-acaridial
Toshio Sasai,Yunosuke Hirano,Sayaka Maeda,Isamu Matsunaga,Atsushi Otsuka,Daisuke Morita,Ritsuo Nishida,Hideo Nakayama,Yasumasa Kuwahara,Masahiko Sugita,Naoki Mori 한국응용곤충학회 2008 한국응용곤충학회 학술대회논문집 Vol.2008 No.10
α-Acaridial [2(E)-(4-methyl-3-pentenyl)butenedial] is a novel monoterpene secreted from the house dust mites. Because of its molecular nature of a highly reactive, small lipidic compound, we addressed whether α-acaridial might function as a haptenic allergen that induced allergic contact dermatitis. Mice sensitized with α-acaridial were challenged by the same antigen on the ear skin. After 2 days, significant ear swelling with a prominent infiltration of CD4+ T lymphocytes was observed. In vitro, α-acaridial exhibited an outstanding ability to quickly interact with and chemically modify a reference protein. Virtually all cysteine residues and a sizable fraction of lysine residues were found to be selectively modified, suggesting that α-acaridial could potentially interact with any proteins. Previously, numerous mite-derived proteinaceous allergens have been associated with contact dermatitis. Our study now emphasizes that small lipidic compounds released from mites comprise a new class of mite allergens, and therefore, is of significant medical implications.
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