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Association of depressive symptoms with dietary habits among Japanese physicians

Open Journal of Preventive Medicine 2012年第3期2卷 287-290页

作者： Koji Wada Yukiko Suehiro Hiroshi Ohta Toru Yoshikawa takashi hosaka Institute for Science of Labour Kawasaki Japan Kitasato University School of Medicine Kanagawa Japan St. Luke’s International Hospital Tokyo Japan University of Occupational and Environmental Health Kitakyusyu Japan

The aim of this study was to determine the association of depressive symptoms with dietary habits among physicians working in hospitals in Japan. We mailed an anonymous questionnaire with the Quick Inventory of Depressive Symptomatology and items about dietary habits to 10,000 randomly selected physicians. Logistic regression analysis was used to explore the association of depressive symptoms with dietary habits. The participants comprised 3862 physicians (3025 men and 837 women). Among the respondents, 252 (8.3%) men and 88 (10.5%) women were determined to be in depressive symptoms. For men, “never eat a balanced diet” (Odds ratio;95% confidence interval, 2.54;1.70 - 3.80), and for women “eat quite small meals” (3.81;1.14 - 13.1), “always eat until full” (4.40;1.48 - 13.1), and “never eat a balanced diet” (3.05;1.49 - 6.23) were associated with depressive symptoms. For men, “do not eat too much” (0.57;0.39 - 0.83) was associated with prevention of depression. Physicians should recognize the important role of healthy dietary habits in good mental health. Hospitals should intervene to help physicians address depressive symptoms and dietary habits.

关键词： Physicians Depression Nutrition Food Habits

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Colorectal neuroendocrine carcinoma: A case report and review of the literature

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World Journal of Clinical Cases 2019年第14期7卷 1865-1875页

作者： Tomoaki Yoshida Kenya Kamimura Kazunori hosaka Koji Doumori Hiromitsu Oka Akito Sato Yasuo Fukuhara Shoji Watanabe Tomomi Sato Akira Yoshikawa takashi Tomidokoro Shuji Terai Division of Gastroenterology and Hepatology Graduate School of Medical and Dental SciencesNiigata UniversityNiigata 951-8510Japan Division of Gastroenterology and Hepatology Nagaoka Chuo General HospitalNiigata 940-0861Japan

BACKGROUND Colorectal neuroendocrine carcinoma (NEC) is a rare tumor that demonstrates aggressive growth pattern with ingrowth into the tract, metastasis to the other organs, and invasion to the surrounding organs;these clinical characteristics result in poor prognosis. Surgical resection appears as an effective approach;however, because it is difficult to accurately diagnose NEC during the early stage and owing to its aggressive growth pattern, development of a reliable standard chemotherapy regimen and management strategies are essential. CASE SUMMARY Here, we report the case of patient with NEC showing an aggressive growth pattern that resulted in the rupture of the tumor to the outside the colon after stenting of the internal colonic stenosis. In addition, the tumor invaded into the duodenum, thereby causing duodenal stenosis that required an additional stent in the duodenum. This aggressive growth pattern is one of the main features of the NEC that is different from adenocarcinoma. To clarify the clinical characteristics, we reviewed 60 recently reported cases, including data on tumor location, size, treatment, and prognosis. CONCLUSION We consider that the information presented here is of great significance for the diagnosis, treatment, and management of symptoms of the patients with NEC.

关键词： Neuroendocrine carcinoma Colon Colorectal mixed adenoneuroendocrine carcinoma Growth Case report

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Characterization of a novel variant of the second domain of bikunin with increased leukocyte elastase inhibitory activity

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Journal of Biophysical Chemistry 2012年第2期3卷 132-141页

作者： Masaki Nakamura takashi Takeuchi Yoshitaka Maeda Yoshitaka hosaka Shoji Furusako Discovery Research Mochida Pharmaceutical Co. Ltd. Shizuoka Japan

The light chain of inter-α inhibitor, also known as bikunin or urinary trypsin inhibitor, is composed of two tandemly arranged Kunitz-type protease inhibitor domains. The second domain of bikunin has factor Xa inhibitory activity which previously was enhanced by mutating two amino acids, glutamine 19 and tyrosine 46 to lysine and aspartate, respectively. In this study, we tried to potentiate its inhibitory activity against leukocyte elastase. A molecular docking model of the second domain of bikunin with leukocyte elastase revealed that P5 arginine 11 was a candidate residue for a third substitution. We generated six triple point mutants using site-directed mutagenesis, compared their leukocyte elastase-inhibitory activities, and selected the most potent variant with arginine 11 substituted to serine. The IC50 values for factor XIa, factor Xa, and leukocyte elastase were 182, 302, and 273 nM, respectively. Moreover, this triple point mutant prolonged the activated partial thromboplastin time and moderately reduced leukocyte elastase-induced endothelial injury. Additionally, favorable conformations created by these mutations were speculated using the structure of the Kunitz protease inhibitor domain of protease nexin 2 complexed with factor XIa as a reference. We discovered a novel triple point mutant of the second domain of bikunin that has potent inhibitory activities against factor XIa, factor Xa, and leukocyte elastase. This variant exhibited anticoagulant activity in plasma and suppressed endothelial cell injury.

关键词： Inter-α Inhibitor Bikunin Kunitz-Type Protease Inhibitor Leukocyte Elastase Factor XIa

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Clinical Characteristics of Japanese Type 2 Diabetic Patients Responsive to Sitagliptin

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Journal of Diabetes Mellitus 2014年第3期4卷 172-178页

作者： Kouichi Inukai Takumi Hirata takashi Sumita Masaki Watanabe Yuichi Ikegami Daisuke Ito Susumu Kurihara Nobuyuki Yasukawa Jiro Morimoto Nobuki Takata Kenta Kanazawa Tamotsu Neda Yoshikazu Sumitani Kiyoaki Inoue Yuichi Noguchi Toshio hosaka Hitoshi Ishida Shigehiro Katayama Department of Internal Medicine Saitama Social Insurance Hospital Saitama Japan Division of Endocrinology and Diabetes Saitama Medical University Saitama Japan Foundation for Biomedical Research and Innovation Hyogo Japan Sakado Central Hospital Saitama Japan Third Department of Internal Medicine Division of Diabetes Endocrinology and Metabolism Kyorin University School of Medicine Tokyo Japan Watanabe Medical Clinic Hiroshima Japan

Japanese type 2 diabetic patients were treated with sitagliptin to evaluate the efficacy of this agent, and also to investigate the clinical characteristics of those who responded to sitagliptin. In total, 1001 diabetic patients, inadequately controlled (HbA1c ≥ 6.5%) with oral hypoglycemic agents (OHA) other than DPP-4 inhibitors or with diet and exercise only, were enrolled. We added 50mg of sitagliptin to the therapeutic regimens of 410 patients including 68 OHA naive patients, while the other 591 patients were switched from a single OHA to 50 mg of sitagliptin. After 6 months, glycemic control was significantly improved due to both reduced insulin resistance, as demonstrated by a significant HOMA-R reduction, and recovery of pancreatic β cell function, as assessed by HOMA-β and the proinsulin/insulin (PI/I) ratio. In the bivariable analysis, a good response, defined as an HbA1c reduction during the 6 months of at least 0.9%, was associated with high HbA1c and PI/I at baseline and combination treatments with sulfonylurea, biguanide and α-glucosidase inhibitors, but not with obesity. On the other hand, in the multivariable regression analysis, only high baseline HbA1c and combination treatment with anα-glucosidase inhibitor were significantly associated with a good response to sitagliptin. In patients with type 2 diabetes, the addition of sitagliptin or switching from another OHA to this agent achieved an HbA1c reduction without overloading β cells. In particular, we suggest that a good response to sitagliptin can be expected when this agent is combined with an α-glucosidase inhibitor (UMIN No. #000014157).

关键词： Sitagliptin Type 2 Diabetes DPP-4 Inhibitors

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