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Relationship between diabetic polyneuropathy, serum visfatin, and oxidative stress biomarkers

World Journal of Diabetes 2020年第7期11卷 309-321页

作者： Banu Buyukaydin Eray Metin Guler Tahsin Karaaslan atilla olgac Mehmet Zorlu Muharrem Kiskac Abdurrahim Kocyigit Department of Internal Medicine Bezmialem Vakif University Medical FacultyIstanbul 34093Turkey Department of Medical Biochemistry Bezmialem Vakif University Medical FacultyIstanbul 34093Turkey Department of Nephrology Istanbul Medeniyet University Medical FacultyIstanbul 34093Turkey

BACKGROUND Diabetic polyneuropathy is a very common complication of *** studies are available in terms of *** examination methods with low reliability are still not standardized and generally time ***,easy-to-access methods are *** markers are one of the subjects of *** aimed to discover a potential biomarker that can be used for this purpose in patients with diabetes who have not yet developed symptoms of *** To determine the place and availability of visfatin and thiol-disulfide homeostasis in this *** A total of 392 patients with type 2 diabetes mellitus were included in the *** polyneuropathy clinical signs were evaluated with the Subjective Peripheral Neuropathy Screen Questionnaire and Michigan Neuropathy Screening Instrument questionnaire and *** biochemical parameters,oxidative stress markers,visfatin,and thiol-disulfide homeostasis were analyzed and correlated with each other and clinical *** Subjective Peripheral Neuropathy Screen Questionnaire and Michigan Neuropathy Screening Instrument questionnaire with examination scores were correlated with each other and diabetes duration(P<0.005).Neuropathy related symptoms were present in 20.7%of the patients,but neuropathy related findings were observed in 43.9%of the *** glucose,glycated hemoglobin,and visfatin were positively correlated with each ***,these parameters were positively correlated with the total oxidative stress *** and native thiol was positively correlated with total antioxidant status and negatively with oxidant *** thiol-disulfide positively correlated with higher glucose and oxidant status and negatively with total antioxidant status(P<0.005).There was no correlation between visfatin and thiol-disulphide(P=0.092,r=0.086).However,a significant negative correlation was observed between visfatin and total with native thiol(P<0.005,r=-0.

关键词： Diabetic neuropathy Diabetic foot Early detection Oxidative stress Thioldisulfide Visfatin protein

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Robust Region Tracking for Swarms via a Novel Utilization of Sliding Mode Control

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Intelligent Control and Automation 2012年第1期3卷 98-109页

作者： Mark Bacon Nejat olgac Rudy Cepeda-Gomez Department of Mechanical Engineering University of Connecticut Storrs USA

Control of multi-agent autonomous swarms is studied for targeted flocking exercises. The desired decentralized control takes into account robustness against modeling uncertainties as well as bounded unknown forces. In this analysis, we consider the task of driving multiple agents to a moving “target region”, as inter-agent repulsive forces help spread out the agents within the region. An unconventional form of sliding mode control is implemented to provide the robust attraction towards the region’s center. For robustness a finite “boundary layer” is conceived, which corresponds to the desired target region. The flocking control forces are intentionally softened inside this target region, allowing agents to create a uniformly spaced formation guided by the inter-agent repulsion forces. Examples are given for moving circular and elliptical regions which illustrate the effectiveness of the proposed strategy.

关键词： Multi-Agent Systems Region Tracking Sliding Mode Control

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肾脏血管球肿瘤:3例发生于肾实质的报道和文献复习

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临床与实验病理学杂志 2007年第3期23卷 357-357页

作者： Al-Ahmadie H A Yilmaz A olgac S 刘飞飞（摘译）张仁亚（审校）不详济宁医学院附属医院病理科济宁272029

血管球肿瘤是一种非常少见的间叶性肿瘤,由与正常血管球小体中变异的平滑肌细胞非常类似的细胞构成。肿瘤细胞与大小不同的血管结构和平滑肌细胞紧密排列,根据其比例将肿瘤命名为:实体性球瘤、球血管瘤或球血管肌瘤。大部分血管球肿瘤... 详细信息

血管球肿瘤是一种非常少见的间叶性肿瘤,由与正常血管球小体中变异的平滑肌细胞非常类似的细胞构成。肿瘤细胞与大小不同的血管结构和平滑肌细胞紧密排列,根据其比例将肿瘤命名为:实体性球瘤、球血管瘤或球血管肌瘤。大部分血管球肿瘤发生于肢体末端的皮下组织,尤其是甲下区。发生于身体其他部位的也有报道,包括胃肠道、骨、女性生殖道、肺和纵隔、口腔、肝、胰腺和鼻腔鼻窦区。[第一段]

关键词：血管球肿瘤文献复习肾实质平滑肌细胞肾脏间叶性肿瘤女性生殖道细胞构成

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