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1Fermented liquid feed for pigs: an ancient technique for the future显示文摘Fermented liquid feed is feed that has been mixed with water at a ratio ranging from 1:1.5 to 1:4.By mixing with water,lactic acid bacteria and yeasts naturally occurring in the feed proliferate and produce lactic acid,acetic acid and ethanol which reduces the pH of the mixture.This reduction in pH inhibits pathogenic organisms from developing in the feed.In addition,when this low pH mixture is fed,it reduces the pH in the stomach of pigs and prevents the proliferation of pathogens such as coliforms and Salmonella in the gastrointestinal tract.For piglets,the use of fermented liquid feed offers the possibility of simultaneously providing feed and water,which may facilitate an easier transition from sow's milk to solid feed.Secondly,offering properly produced fermented liquid feed may strengthen the role of the stomach as the first line of defense against possible pathogenic infections by lowering the pH in the gastrointestinal tract thereby helping to exclude enteropathogens.Finally,feeding fermented liquid feed to pigs has been shown to improve the performance of suckling pigs,weaner pigs and growing-finishing pigs.In this review,current knowledge about the use of fermented liquid feed in pig diets will be discussed.This will include a discussion of the desirable properties of fermented liquid feed and factors affecting fermentation.In addition,advantages and disadvantages of fermented liquid feed will be discussed including its effects on gastrointestinal health,intestinal pH and the types of bacteria found in the gastrointestinal tract as well as the effects of fermented liquid feeds on pig performance.Joris AM Missotten Joris Michiels Jeroen Degroote Stefaan De Smet 2016Journal of Animal Science and Biotechnology2016,7,1:67
23.0T 3D各向同性快速自旋回波MR成像与常规MR成像在膝关节病变综合评价的对照研究显示文摘目的明确3.0T三维各向同性快速自旋回波序列(FSE—Cube)在评价有临床症状病人膝关节软骨、韧带、半月板及骨性结构方面是否与常规MR成像相似。材料与方法本前瞻性研究符合HIPPA要求,经学术审核委员会批准免除知情同意书。100例有临床症状病人(男54例,中位年龄32岁;女46例,中位年龄33岁)接受了快速自旋回波序列和常规3.0TMR附加FSE—Cube的序列扫描,随后行膝关节镜手术。R.Kijowski K.W.Davis M.A.Woods M.J.Lindstrom A.A.De Smet G.E.Gold 白荣杰 2009国际医学放射学杂志2009,32,5:28
3Stem cells for liver tissue repair:Current knowledge and perspectives显示文摘Stem cells from extra-or intrahepatic sources have been recently characterized and their usefulness for the generation of hepatocyte-like lineages has been demonstrated. Therefore, they are being increasingly considered for future applications in liver cell therapy. In that field, liver cell transplantation is currently regarded as a possible alternative to whole organ transplantation, while stem cells possess theoretical advantages on hepatocytes as they display higher in vitro culture performances and could be used in autologous transplant procedures. However, the current research on the hepatic fate of stem cells is still facing difficulties to demonstrate the acquisition of a full mature hepatocyte phenotype, both in vitro and in vivo. Furthermore, the lack of obvious demonstration of in vivo hepatocyte-like cell functionality remains associated to low repopulation rates obtained after current transplantation procedures. The present review focuses on the current knowledge of the stem cell potential for liver therapy. We discuss the characteristics of the principal cell candidates and the methods to demonstrate their hepatic potential in vitro and in vivo. We finally address the question of the future clinical applications of stem cells for liver tissue repair and the technical aspects that remain to be investigated.Philippe A Lysy David Campard Fran oise Smets Mustapha Najimi Etienne M Sokal 2008World Journal of Gastroenterology2008,14,6:22
4Association between heat stress and oxidative stress in poultry;mitochondrial dysfunction and dietary interventions with phytochemicals显示文摘Heat as a stressor of poultry has been studied extensively for many decades; it affects poultry production on a worldwide basis and has significant impact on well-being and production. More recently, the involvement of heat stress in inducing oxidative stress has received much interest. Oxidative stress is defined as the presence of reactive species in excess of the available antioxidant capacity of animal cells. Reactive species can modify several biologically cellular macromolecules and can interfere with cell signaling pathways. Furthermore, during the last decade, there has been an ever-increasing interest in the use of a wide array of natural feed-delivered phytochemicals that have potential antioxidant properties for poultry. In light of this, the current review aims to(1) summarize the mechanisms through which heat stress triggers excessive superoxide radical production in the mitochondrion and progresses into oxidative stress,(2) illustrate that this pathophysiology is dependent on the intensity and duration of heat stress,(3) present different nutritional strategies for mitigation of mitochondrial dysfunction, with particular focus on antioxidant phytochemicals.Oxidative stress that occurs with heat exposure can be manifest in all parts of the body; however, mitochondrial dysfunction underlies oxidative stress. In the initial phase of acute heat stress, mitochondrial substrate oxidation and electron transport chain activity are increased resulting in excessive superoxide production. During the later stage of acute heat stress, down-regulation of avian uncoupling protein worsens the oxidative stress situation causing mitochondrial dysfunction and tissue damage. Typically, antioxidant enzyme activities are upregulated. Chronic heat stress, however, leads to downsizing of mitochondrial metabolic oxidative capacity, up-regulation of avian uncoupling protein, a clear alteration in the pattern of antioxidant enzyme activities, and depletion of antioxidant reserves.Some phytochemicals, such as various types of flavonoids and related compounds, were shown to be beneficial in chronic heat-stressed poultry, but were less or not effective in non-heat-stressed counterparts. This supports the contention that antioxidant phytochemicals have potential under challenging conditions. Though substantial progress has been made in our understanding of the association between heat stress and oxidative stress, the means by which phytochemicals can alleviate oxidative stress have been sparsely explored.Abdollah Akbarian Joris Michiels Jeroen Degroote Maryam Majdeddin Abolghasem Golian Stefaan De Smet 2017Journal of Animal Science and Biotechnology2017,8,1:21
5让一线管理者成为真正的领导显示文摘在那些做得最好的企业里,一线管理人员将60%~70%的时间花在工作现场,其中,有许多时间用在高质量的个人辅导上。这些企业还放权给管理人员,让他们制定决策。Aaron De Smet Monica McGurk Marc Vinson 2009当代经理人2009,,10:10
6Liver cell transplantation for Crigler-Najjar syndrome type Ⅰ: Update and perspectives显示文摘Liver cell transplantation is an attractive technique to treat liver-based inborn errors of metabolism. The feasibility and efficacy of the procedure has been demonstrated, leading to medium term partial metabolic control of various diseases. Crigler-Najjar is the paradigm of such diseases in that the host liver is lacking one function with an otherwise normal parenchyma. The patient is at permanent risk for irreversible brain damage. The goal of liver cell transplantation is to reduce serum bilirubin levels within safe limits and to alleviate phototherapy requirements to improve quality of life. Preliminary data on Gunn rats, the rodent model of the disease, were encouraging and have led to successful clinical trials. Herein we report on two additional patients and describe the current limits of the technique in terms of durability of the response as compared to alternative therapeutic procedures. We discuss the future developments of the technique and new emerging perspectives.Philippe A Lysy Mustapha Najimi Xavier Stéphenne Annick Bourgois Franoise Smets Etienne M Sokal 2008World Journal of Gastroenterology2008,14,22:9
7Nature:通过控制血管生长来开发治疗癌症等多种疾病的新型疗法显示文摘最近,一项刊登在国际杂志Nature上的研究报告中,来自耶鲁大学的研究人员通过研究揭示了如何通过控制血管发育来帮助开发治疗心血管疾病以及癌症的新型疗法。Yu, Pengchun Wilhelm, Kerstin Dubrac, Alexandre Tung, Joe K. Alves, Tiago C. Fang, Jennifer S. Xie, Yi Zhu, Jie Chen, Zehua De Smet, Frederik Zhang, Jiasheng Jin, Suk-Won Sun, Lele Sun, Hongye Kibbey, Richard G. Hirschi, Karen K. Hay, Nissim Carmeliet, Peter Chittenden, Thomas W. Eichmann, Anne Potente, Michael Simons, Michael 2017现代生物医学进展2017,17,22:9
8实验性自身免疫性葡萄膜视网膜炎中浸润细胞的表型及其凋亡的研究显示文摘目的 探讨实验性自身免疫性葡萄膜视网膜炎 (experimental autoimmune uveoretinitis,EAU)中参与的细胞表型及其凋亡。 方法 用光感受器间维生素 A类结合蛋白 (interphotoreceptorretinoid- binding protein,IRBP)免疫 16只 L ewis鼠后 ,于眼组织切片和平片上进行免疫组织化学染色和原位凋亡染色 ,所用抗体为抗单核细胞、巨噬细胞 (EDI)、MHC- 类抗原 (OX6 )、T淋巴细胞 (R73)的单克隆抗体 ,所用原位凋亡试剂盒为 TACS1Klenow。 结果 用 IRBP免疫 L ewis鼠后 ,16只鼠中 12只发生了临床可见的葡萄膜炎 ,炎症平均得分为 1.2 9± 0 .7级 ;免疫组织化学染色发现葡萄膜和视网膜中有大量的单核细胞、淋巴细胞及 MHC- +细胞浸润 ,这些组织中均可见浸润细胞的凋亡 ,虹膜睫状体中凋亡细胞明显多于脉络膜和视网膜中的凋亡细胞。 结论 单核巨噬细胞、淋巴细胞和 MHC- +细胞均参与了 EAU的形成 ,在 EAU早期即有浸润细胞发生凋亡 ,此可能是导致这种炎症迅速消退的重要机制。杨培增 Nicole H Herzberg 周红颜 黄祥坤 谢楚芳 金浩丽 籍利 Lidy Broersma Mavc D de Smet Aize Kijlstra 2000中华眼底病杂志2000,16,1:9
9厌氧氨氧化技术用于高氨废水脱氮显示文摘在简要介绍厌氧氨氧化菌生理生化特性的基础上,总结了目前应用厌氧氨氧化的主要工艺及其工程实例,重点分析了厌氧氨氧化技术在处理高氨废水实际工程应用过程中需要解决的关键技术,为厌氧氨氧化技术在污水处理工程中的推广提供技术借鉴。王荣昌 Barth F. Smets Mogens Henze 张亚雷 夏四清 赵建夫 2009工业水处理2009,29,3:6
10Benign retroperitoneal schwannoma presenting as colitis:A case report显示文摘We report a case of a patient presenting with clinical,radiological and endoscopic features of colitis due to a compressive left para-aortic mass. Total open surgical excision was performed,which resulted in complete resolution of colitis. Histopathology and immunohistochemistry revealed benign retroperitoneal schwannoma. These neural sheath tumors rarely occur in the retroperitoneum. They are usually asymptomatic but as they enlarge they may compress adjacent structures,which leads to a wide spectrum of non-specific symptoms,including lumbar pain,headache,secondary hypertension,abdominal pain and renal colicky pain. CT and MR findings show characteristic features,but none are specific. Schwannoma can be isolated sporadic lesions,or associated with schwannomatosis or neurofibromatosis type Ⅱ (NF2). Although they vary in biological and clinical behavior,their presence is,in nearly every case,due to alterations or absence of the NF2 gene,which is involved in the growth regulation of Schwann cells. Both conditions were excluded by thorough mutation analysis. Diagnosis is based on histopathological examination and immunohistochemistry. Total excision is therapeutic and has a good prognosis. Schwannomatosis and NF2 should be excluded through clinical diagnostic criteria. Genetic testing of NF2 is probably not justified in the presence of a solitary retroperitoneal schwannoma.Gary Fass Didier Hossey Michel Nyst Dirk Smets Esmail Najar Saligheh Ruth Duttmann Kathleen Claes Pierre Mendes da Costa 2007World Journal of Gastroenterology2007,13,41:5
11DNA methylation requires a DNMT1 ubiquitin interacting motif (UIM) and histone ubiquitination显示文摘Weihua Qin Patricia Wolf Nan Liu Stephanie Link Martha Smets Federica La Mastra Ignasi Forne Garwin Pichler David Horl Karin Fellinger Fabio Spada Ian Marc Bonapace Axel Imhof Hartmann Harz Heinrich Leonhardt 2015Cell Research2015,25,8:5
12Recent development in aluminium alloys for the automotive industry显示文摘W.S Miller L Zhuang J Bottema A.J Wittebrood P De Smet A Haszler A Vieregge 2000Materials Science & Engineering A2000,,1:3
13疫苗基质和免疫程序对有母源抗体仔猪伪狂犬病主动免疫的影响显示文摘Smet,K 1995国外兽医学(畜禽传染病)1995,15,2:2
14Changes of the glutathione redox system during the weaning transition in piglets, in relation to small intestinal morphology and barrier function显示文摘Background: Weaning is known to result in barrier dysfunction and villus atrophy in the immediate post-weaning phase, and the magnitude of these responses is hypothesized to correlate with changes in the glutathione(GSH)redox system. Therefore, these parameters were simultaneously measured throughout the weaning phase, in piglets differing in birth weight category and weaning age, as these pre-weaning factors are important determinants for the weaning transition. Low birth weight(LBW) and normal birth weight(NBW) littermates were assigned to one of three weaning treatments;i.e. weaning at 3 weeks of age(3 w), weaning at 4 weeks of age(4 w) and removal from the sow at 3 d of age and fed a milk replacer until weaning at 3 weeks of age(3 d3 w). For each of these treatments, six LBW and six NBW piglets were euthanized at 0, 2, 5, 12 or 28 d post-weaning piglets, adding up 180 piglets.Results: Weaning increased the glutathione peroxidase activity on d 5 post-weaning in plasma, and duodenal and jejunal mucosa. Small intestinal glutathione-S-transferase activity gradually increased until d 12 post-weaning, and this was combined with a progressive rise of mucosal GSH up till d 12 post-weaning. Oxidation of the GSH redox status(GSH/GSSG Eh) was only observed in the small intestinal mucosa of 3 d3 w weaned piglets at d 5 postweaning. These piglets also demonstrated increased fluorescein isothiocyanate dextran(FD4) and horseradish peroxidase fluxes in the duodenum and distal jejunum during the experiment, and specifically demonstrated increased FD4 fluxes at d 2 to d 5 post-weaning. On the other hand, profound villus atrophy was observed during the weaning transition for all weaning treatments. Finally, LBW and NBW piglets did not demonstrate notable differences in GSH redox status, small intestinal barrier function and histo-morphology throughout the experiment.Conclusion: Although moderate changes in the GSH redox system were observed upon weaning, the GSH redox status remained at a steady state level in 3 w and 4 w weaned piglets and was therefore not associated with weaning induced villus atrophy. Conversely, 3 d3 w weaned piglets demonstrated GSH redox imbalance in the small intestinal mucosa, and this co-occurred with a temporal malfunction of their intestinal barrier function.Jeroen Degroote Hans Vergauwen Wei Wang Chris Van Ginneken Stefaan De Smet Joris Michiels 2020Journal of Animal Science and Biotechnology2020,11,4:2
15Selenium containing macrocycles:transformation between Se-N/Se-S/Se-Se bonds显示文摘Macrocycles possess potential applications in supramolecular chemistry and biosystems.Thus development of new kinds of macrocycles is of significance.Herein,novel macrocycles containing Se-Se/Se-S bonds were synthesized via transformation between selenium related dynamic covalent bonds.A monomer containing two ebselen moieties was synthesized(M1).The Se-N bonds in M1 were reduced by dithiothreitol,forming Se-S linked dimer(D1).To realize the transformation from Se-S bonds to Se-Se bonds,guest molecules were added as template,triggering the formation of Se-Se linked dimer(D2).The formation of these two new kinds of macrocycles was determined by ~1H NMR and ^(77)Se NMR,and the necessity of guest molecules was also confirmed.The introduction of ebselen moieties and Se-S bonds or Se-Se bonds into macrocycles may endow it with new responsiveness and bioactivities,as well as new types of host-guest chemistry.Shaobo Ji Hicham El Mard Mario Smet Wim Dehaen Huaping Xu 2017Science China Chemistry2017,60,9:2
16The Microscopic physics of electronic paper revealed显示文摘Bert Tom De Smet Herbert 2003Displays2003,24,:2
17Artificial rearing influences the morphology,permeability and redox state of the gastrointestinal tract of low and normal birth weight piglets显示文摘Background: In this study the physiological implications of artificial rearing were investigated. Low(LBW) and normal birth weight(NBW) piglets were compared as they might react differently to stressors caused by artificial rearing. In total, 42 pairs of LBW and NBW piglets from 16 litters suckled the sow until d19 of age or were artificially reared starting at d3 until d19 of age. Blood and tissue samples that were collected after euthanasia at 0, 3, 5, 8 and 19 d of age. Histology, ELISA, and Ussing chamber analysis were used to study proximal and distal small intestine histomorphology, proliferation, apoptosis, tight junction protein expression, and permeability. Furthermore, small intestine,liver and systemic redox parameters(GSH, GSSG, GSH-Px and MDA) were investigated using HPLC.Results: LBW and NBW artificially reared piglets weighed respectively 40 and 33% more than LBW and NBW sowreared piglets at d19(P < 0.01). Transferring piglets to a nursery at d3 resulted in villus atrophy, increased intestinal FD-4 and HRP permeability and elevated GSSG/GSH ratio in the distal small intestine at d5(P < 0.05). GSH concentrations in the proximal small intestine remained stable, while they decreased in the liver(P < 0.05). From d5 until d19, villus width and crypt depth increased, whereas PCNA, caspase-3, occludin and claudin-3 protein expressions were reduced. GSH,GSSG and permeability recovered in artificially reared piglets(P < 0.05).Conclusion: The results suggest that artificial rearing altered the morphology, permeability and redox state without compromising piglet performance. The observed effects were not depending on birth weight.Hans Vergauwen Jeroen Degroote Sara Prims Wei Wang Erik Fransen Stefaan De Smet Christophe Casteleyn Steven Van Cruchten Joris Michiels Chris Van Ginneken 2017Journal of Animal Science and Biotechnology2017,8,3:2
18Nonlinear Schrodinger equations withHardy potential and critical nonlincarities显示文摘Smets D 2005TransAmer Math Soc2005,357,7:1
19Linearization of the activated sludge model ASM1 for fast and reliable predictions显示文摘 Haegebaert Jeroen V CARRETTE R 2003Water Research2003,37,:1
20The Combination of Evidence in the Trans-ferable Belief Model显示文摘Smets P 1990IEEE Transactions on Patten Analysis and Machine Intelligence1990,12,5:1
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