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A culture model to analyze the acute biomaterial-dependent reaction of human primary neutrophils in vitro

生物活性材料(英文) 2023年第2期20卷 627-637页

作者： marinus a.wesdorp Andrea Schwab Ezgi Irem Bektas Roberto Narcisi David Eglin Martin J.Stoddart Gerjo J.V.M.Van Osch Matteo D’Este AO Research Institute Davos AO FoundationDavos PlatzSwitzerland Department of Orthopaedics and Sports Medicine Erasmus MCUniversity Medical Center Rotterdamthe Netherlands Mines Saint-Étienne Univ LyonUniv Jean MonnetINSERMU1059 SainbioseSaint-ÉtienneFrance Department of Biomaterials Science and Technology University of TwenteEnschedethe Netherlands Department of Otorhinolaryngology Erasmus MCUniversity Medical Center Rotterdamthe Netherlands Department of Biomechanical Engineering Faculty of MechanicalMaritimeand Materials EngineeringDelft University of Technologythe Netherlands Department of Oral and Maxillofacial Surgery Erasmus MCUniversity Medical Center Rotterdamthe Netherlands

Neutrophils play a pivotal role in orchestrating the immune system response to biomaterials,the onset and resolution of chronic inflammation,and macrophage ***,the neutrophil response to biomaterials and the consequent impact on tissue engineering approaches is still scarcely ***,we report an in vitro culture model that comprehensively describes the most important neutrophil functions in the light of tissue *** isolated human primary neutrophils from peripheral blood and exposed them to a panel of hard,soft,naturally-and synthetically-derived *** overall trend showed increased neutrophil survival on naturally derived constructs,together with higher oxidative burst,decreased myeloperoxidase and neutrophil elastase and decreased cytokine secretion compared to neutrophils on synthetic *** culture model is a step to better understand the immune modulation elicited by *** studies are needed to correlate the neutrophil response to tissue healing and to elucidate the mechanism triggering the cell response and their consequences in determining inflammation onset and resolution.

关键词： inflammation healing culture

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Colonoscopic yield of colorectal neoplasia in daily clinical practice

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World Journal of Gastroenterology 2009年第9期15卷 1085-1092页

作者： Jochim S Terhaar sive Droste Mike E Craanen Rene WM van der Hulst Joep F Bartelsman Dick P Bezemer Kim R Cappendijk Gerrit A Meijer Linde M Morsink Pleun Snel Hans ARE Tuynman Roy LJ van Wanrooy Eric IC wesdorp Chris JJ Mulder Department of Gastroenterology and Hepatology VU University Medical CentrePO Box 70571007 MBAmsterdamThe Netherlands Gastroenterology and Hepatology Kennemer Gasthuis2000 AKHaarlemThe Netherlands Gastroenterology and Hepatology Academic Medical Centre1100 DDAmsterdamThe Netherlands Epidemiology and Biostatistics VU University Medical Centre1007 MBAmsterdamThe Netherlands Pathology VU University Medical Centre1007 MBAmsterdamThe Netherlands Gastroenterology and Hepatology Slotervaart Hospital1006 BKAmsterdamThe Netherlands Gastroenterology and Hepatology Medical Centre Alkmaar1800 AMAlkmaarThe Netherlands Gastroenterology and Hepatology Sint Lucas Andreas Hospital1061 AEAmsterdamThe Netherlands

AIM:To assess the prevalence and location of ad-vanced neoplasia in patients undergoing colonoscopy,and to compare the yield per ***:In a multicenter colonoscopy survey (n = 18 hospitals) in the Amsterdam area (Northern Holland),data of all colonoscopies performed during a three month period in 2005 were analyzed. The location and the histological features of all colonic neoplasia were recorded. The prevalence and the distribution ofadvanced colorectal neoplasia and differences in yield between indication clusters were evaluated. Advanced neoplasm was defi ned as adenoma > 10 mm in size,with > 25% villous features or with high-grade dyspla-sia or ***:A total of 4623 eligible patients underwent a total colonoscopy. The prevalence of advanced neo-plasia was 13%,with 281 (6%) adenocarcinomas and 342 (7%) advanced adenomas. Sixty-seven percent and 33% of advanced neoplasia were located in the distal and proximal colon,respectively. Of all patients with right-sided advanced neoplasia (n = 228),51% had a normal distal colon,whereas 27% had a syn-chronous distal adenoma. Ten percent of all colono-scopies were performed in asymptomatic patients,7% of whom had advanced neoplasia. In the respective procedure indication clusters,the prevalence of right-sided advanced neoplasia ranged from 11%-57%. CONCLUSION:One out of every 7-8 colonoscopies yielded an advanced colorectal neoplasm. Colonoscopy is warranted for the evaluation of both symptomatic and asymptomatic patients.

关键词：大肠镜临床实践产量结肠镜检查肿瘤位置阿姆斯特丹组织学特征无症状

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半月板T2 mapping成像是早期骨关节炎的生物学标志物

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国际医学放射学杂志 2019年第6期 755-755页

作者： S.M.Eijgenraam F.A.T.Bovendeert J.Verschueren J.van Tiel Y.M.Bastiaansen-Jenniskens M.a.wesdorp 杨琳 Department of Radiology & Nuclear Medicine Erasmus MCUniversity Medical Center

摘要目的通过研究T2值与组织变性程度的相关性为参考标准,评价T2mapping作为定量、影像生物标志物在人类活体半月板退变中的应用。方法本前瞻性研究纳入7例

关键词：半月板生物学标志物骨关节炎 T2 mapping

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