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Differences in clinicopathological characteristics between lipohypertrophy and localized insulin-derived amyloidosis:A scoping review

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Chronic Diseases and Translational Medicine 2024年第1期10卷 22-30页

作者： kanae mukai Hiromasa Tanno Junko Sugama Toshihiko Yanagita Emi Kanno Department of Clinical Nursing Faculty ofHealth SciencesInstitute of MedicalPharmaceutical and Health SciencesKanazawa UniversityKanazawaJapan Department of Translational Science forNursing Tohoku University Graduate School ofMedicineSendaiJapan Research Center for Implementation NursingScience Initiative School of Health SciencesFujita Health UniversityToyoakeJapan Department of Clinical Pharmacology Schoolof NursingUniversity of MiyazakiMiyazakiJapan

Insulin is used as a therapeutic agent in patients with diabetes,and cutaneous lipohypertrophy(LH)and localized insulin-derived amyloidosis(LIDA)are well-known adverse effects associated with insulin *** clinical implications,management,assessment methods,and pathological differentiation of LH and LIDA have been recently *** review was to update our knowledge of the pathological differentiation,effects of insulin absorption,hypoglycemic events,and recent assessment methods for LH and LIDA.A scoping review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta Analyses extension for Scoping Reviews *** studies and case reports in English were also *** and Scopus databases were searched for keywords to identify papers published up to January 2022.A total of 113 studies were identified through a database search,and 31 were eligible for inclusion in this scoping *** the 31 studies included in this review,patients with type 2 diabetes had high frequencies of LH and *** outcome parameters were assessed using pathological findings and *** is mainly determined by pathological methods,such as hematoxylin and eosin and Congo red *** in vitro and in vivo LIDA models of LIDA have been *** results suggest that pathological analysis is required to identify LH and *** is important to consider LIDA,as it likely influences insulin adsorption and glycemic *** several studies have evaluated the LIDA process,little is known about the mechanisms underlying the development of adverse effects associated with insulin injections.

关键词： diabetes mellitus insulin injection lipohypertrophy localized insulin-derived amyloidosis

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Does Obesity without Hyperglycemia Delay Wound Healing in an Obese Mouse Model Induced by a High-Fat Diet?

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Health 2017年第12期9卷 1660-1679页

作者： Tamae Urai Yukari Nakajima kanae mukai Kimi Asano Mayumi Okuwa Junko Sugama Toshio Nakatani Advanced Health Care Science Research Unit Innovative Integrated Bio-Research Core Institute for Frontier Science Initiative Kanazawa University Ishikawa Japan Department of Clinical Nursing Graduate Course of Nursing Science Division of Health Sciences Graduate School of Medical Sciences Kanazawa University Ishikawa Japan Faculty of Health Sciences Institute of Medical Pharmaceutical and Health Sciences Kanazawa University Ishikawa Japan

It was unclear that wound healing was delayed in obesity without hyperglycemia. The purpose of this study was to compare the wound healing process between obese and non-obese mice without hyperglycemia by attaching a splint. Three-week-old male mice (C57BL/6N) were fed high-fat diets (60% of calories from fat) in the obesity group, and commercial diets in the control group for 15 weeks. Two circular (4 mm in diameter) full-thickness wounds were made on the dorsal skin. Body weights and serum leptin levels were significantly higher in the obesity group than in the control group until day 15 after wounding. Fasting blood glucose levels before wounding were lower in the obesity group than in a hyperglycemic rodent model. The macrophage infiltration into subcutaneous fat before wounding in the obesity group was negligible. The ratios of the wound area were not significantly different between the two groups. No significant differences were observed in the number of neutrophils or macrophages or new blood vessels and ratio of myofibroblasts or collagen fibers between the two groups. Our results demonstrated that cutaneous wound healing was not delayed in the obesity group without hyperglycemia and macrophage infiltration into the subcutaneous fat and with high serum leptin levels.

关键词： Obesity Mouse Cutaneous Wound Healing Splint Inflammation

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The Relationship between Cutaneous Wounds Made on Obese Mice or Those with Decreased Body Weight and Serum Leptin Level

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Health 2016年第11期8卷 1015-1028页

作者： Tamae Urai Haryanto kanae mukai Tatsuhiko Matsushita Kimi Asano Yukari Nakajima Mayumi Okuwa Junko Sugama Toshio Nakatani Department of Clinical Nursing Graduate Course of Nursing Science Division of Health Sciences Graduate School of Medical Sciences Kanazawa University Kanazawa Japan Faculty of Health Sciences Institute of Medical Pharmaceutical and Health Sciences Kanazawa University Kan-azawa Japan Division of Clinical Radiology Service Kyoto University Hospital Kyoto Japan Wellness Promotion Science Center Institute of Medical Pharmaceutical and Health Sciences Kanazawa Uni-versity Kanazawa Japan

Purpose: Not all obese people have hyperglycemia. We wondered about the healing progress in obese people without hyperglycemia. The purpose of this study is to observe the cutaneous wound healing process. Methods: Three-week-old male mice were fed high-fat diets (containing 60% fat) in the diet group, and commercial diets in the control group, ad libitum for 15 weeks. Circle-full-thickness cutaneous wounds were made on the dorsal skin of mice. From day 0 to day 15 after wounding, we analyzed wound healing process. We measured the blood concentration of leptin, and observed the distribution of leptin-positive cells in each wound. Results: Mean body weight, the areas of subcutaneous fat and visceral fat, and the weight of epididymal fat in the diet group were significantly greater than those in the control group at 15 weeks after feeding. The diet group did not feed on the diet after wounding;their body weight decreased remarkably to the level of the control group. The ratio of wound area, re-epithelialization, and collagen fibers did not differ between the diet and control groups on each day. The blood concentration of leptin in the diet group was significantly greater than that in the control group before wounding and until day 6 after wounding (day 0, 10 hour and day 1: p < 0.01, day 6: p < 0.05). Conclusion: The results show that the wound healing process is similar between obese and non-obese mice, and that the decrease in the leptin level in the obese mouse to that in the non-obese mouse may depend on the decrease of body weight of obese mouse.

关键词： Obesity High-Fat Diet Wound Healing Leptin Tension

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