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Oral polymorphonuclear neutrophil characteristics in relation to oral health： a cross-sectional, observational clinical study

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International Journal of Oral Science 2016年第3期8卷 191-198页

作者： Patrick Rijkschroeff Ineke DC Jansen Fridus A van der Weijden bart IF Keijser Bruno G Loos Elena A Nicu Department of Periodontology Academic Centre for Dentistry Amsterdam Amsterdam The Netherlands Department of Preventive Dentistry Academic Centre for Dentistry Amsterdam Amsterdam The Netherlands Microbiology and Systems Biology TNO Earth Environmental and Life Sciences Zeist The Netherlands Top Institute Food and Nutrition Wageningen The Netherlands

Polymorphonuclear neutmphils （PMNs） have a major role in the innate immune system. However, little is known about PMN contribution in relation to oral health. The objective of this study was to investigate the numbers and functional characteristics of oral PMNs （oPMNs） compared with circulatory PMNs （cPMNs）. Oral rinse and venous blood samples were obtained from 268 systemically and orally healthy volunteers in a cross-sectional observational study. PMN counts, cell cycle analysis and cellular activation state were investigated. Also, reactive oxygen species （ROS） production was analyzed, with and without bacterial stimulation （Fusobacterium nucleatum）. In males, 1.2 × 10^6- 1.0 ×10^6 oPMNs were collected, and showed a tendency to correlate with the levels of gingival bleeding （r= 0.215, P= 0.008）. Comparable oPMNs counts were found among females （1.0 ×10^6＋ 0.7 × 10^6）. More late-stage apoptotic/necrotic cells were found among the oPMNs （53.1%） compared with the cPMNs （8.5%; P〈 0.001）. Without additional stimulation, oPMNs were more activated than cPMNs, as indicated by higher expression of CD11b, CD63 and CD66b, and higher constitutive ROS levels （P〈 0.001）. Notably, in response to bacterial stimulation, oPMNs released comparable ROS levels as cPMNs （P= 0.042）. In conclusion, this study provides data on viable oPMNs showing high levels of activation in orally and systemically healthy individuals, free of apparent caries lesions and periodontal disease. These data suggests that although the oPMNs are in a more mature stage of their life cycle compared with the cPMNs, oPMNs are still responsive to stimulation, which indicates their functional potential and possible contribution to a healthy oral ecosystem.

关键词： apoptosis degranulation neutrophils oral health reactive oxygen species

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Increased food intake after starvation enhances sleep in Drosophila melanogaster

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Journal of Genetics and Genomics 2017年第6期44卷 319-326页

作者： Josue M.Regalado McKenna B.Cortez Jeremy Grubbs Jared A.Link Alexander van der linden Yong Zhang Department of Biology University of Nevada-Reno

Feeding and sleep are highly conserved,interconnected behaviors essential for *** has been shown to potently suppress sleep across species;however,whether satiety promotes sleep is still *** we use the fruit fly,Drosophila melanogaster,as a model organism to address the interaction between feeding and *** first monitored the sleep of flies that had been starved for 24 h and found that sleep amount increased in the first 4 h after flies were given *** sleep after starvation was due to an increase in sleep bout number and average sleep bout *** of translin or adipokinetic hormone,which fail to suppress sleep during starvation,still exhibited a sleep increase after starvation,suggesting that sleep increase after starvation is not a consequence of sleep loss during *** also found that feeding activity and food consumption were higher in the first 10-30 min after *** food consumption in starved flies to 30 min was sufficient to increase sleep for 1 *** flies ingested a comparable amount of food at differing sucrose concentrations,sleep increase after starvation on a lower sucrose concentration was *** together,our results suggest that increased food intake after starvation enhances sleep and reveals a novel relationship between feeding and sleep.

关键词： Drosophila Feeding Sleep Starvation Satiety

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Effects of a general practitioner cooperative co-located with an emergency department on patient throughput

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World Journal of Emergency Medicine 2016年第4期7卷 270-273页

作者： Michiel J.van Veelen Crispijn L.van den Brand Resi Reijnen M.Christien van der linden Department of Emergency Medicine University of BotswanaSchool of Medicine Department of Emergency Medicine Medical Center Haaglanden

BACKGROUND:In 2013 a General Practitioner Cooperative(GPC) was introduced at the Emergency Department(ED) of our *** of the aims of this co-located GPC was to improve throughput of the remaining patients at the *** determine the change in patient flow,we assessed the number of self-referrals,redirection of self-referrals to the GPC and back to the ED,as well as ward and ICU admission rates and length of stay of the remaining ED ***:We conducted a four months' pre-post comparison before and after the implementation of a co-located GPC with an urban ED in the ***:More than half of our ED patients were *** triage,54.5%of these selfreferrals were redirected to the *** assessment at the GPC,8.5%of them were referred back to the *** number of patients treated at the ED declined with 20.3%after the introduction of the *** the remaining ED population,there was a significant increase of highly urgent patients(P<0.001),regular admissions(P<0.001),and ICU admissions(P<0.001).Despite the decline of the number of patients at the ED,the total length of stay of patients treated at the ED increased from 14 682 hours in the two months' control period to 14 962 hours in the two months' intervention period,a total increase of 270 hours in two months(P<0.001).CONCLUSION:Introduction of a GPC led to efficient redirection of self-referrals but failed to improve throughput of the remaining patients at the ED.

关键词： Emergency Service,hospital General practitioners Crowding Length of stay

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Cerebral magnetic resonance imaging in quiescent Crohn's disease patients with fatigue

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World Journal of Gastroenterology 2017年第6期23卷 1018-1029页

作者： Sanne van Erp Ece Ercan Perla Breedveld Lianne Brakenhoff Eidrees Ghariq Sophie Schmid Matthias van Osch Mark van Buchem bart Emmer Jeroen van der Grond Ron Wolterbeek Daniel Hommes Herma Fidder Nic van der Wee Tom Huizinga Désirée van der Heijde Huub Middelkoop Itamar Ronen Andrea van der Meulen-de Jong Department of Gastroenterology and Hepatology Leiden University Medical Center C.J.Gorter Center Leiden University Medical Center Department of Radiology Leiden University Medical Center Department of Medical Statistics Leiden University Medical Center Center for Inflammatory Bowel Diseases University of California Los Angeles Department of Gastroenterology and Hepatology University Medical Center Utrecht Department of Psychiatry Leiden University Medical Center Department of Rheumatology Leiden University Medical Center Department of Neuropsychology Leiden University Medical Center Department of Radiology Leiden University Medical CenterLeiden

To evaluate brain involvement in quiescent Crohn’s disease (CD) patients with fatigue using quantitative magnetic resonance imaging (MRI).METHODSMultiple MRI techniques were used to assess cerebral changes in 20 quiescent CD patients with fatigue (defined with at least 6 points out of an 11-point numeric rating scale compared with 17 healthy age and gender matched controls without fatigue. Furthermore, mental status was assessed by cognitive functioning, based on the neuropsychological inventory including the different domains global cognitive functioning, memory and executive functioning and in addition mood and quality of life scores. Cognitive functioning and mood status were correlated with MRI findings in the both study *** glutamate + glutamine (Glx = Glu + Gln) concentrations (P = 0.02) and ratios to total creatine (P = 0.02) were found in CD patients compared with controls. Significant increased Cerebral Blood Flow (P = 0.05) was found in CD patients (53.08 ± 6.14 mL/100 g/min) compared with controls (47.60 ± 8.62 mL/100 g/min). CD patients encountered significantly more depressive symptoms (P 1-weighted analysis. In addition, no correlation was found between mental status and MRI *** work shows evidence for perfusion, neurochemical and mental differences in the brain of CD patients with fatigue compared with healthy controls.

关键词： Magnetic resonance imaging Systemic inflammation Fatigue Crohn’s disease Cognition

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Electrochemically-stimulated nanoscale mechanochemical wear of silicon

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摩擦:英文版 2023年第11期11卷 2142-2152页

作者： Chen XIAO Stefan van VLIET Roland BLIEM bart WEBER Steve FRANKLIN Advanced Research Center for Nanolithography(ARCNL) Amsterdam 1098XGthe Netherlands van der Waals–Zeeman Institute Institute of PhysicsUniversity of Amsterdam(UvA)Amsterdam 1098XGthe Netherlands Department of Materials Science and Engineering The University of SheffieldSheffield S13JDUK

Mechanochemical reactions at the sliding interface between a single-crystalline silicon(Si)wafer and a silica(SiO2)microsphere were studied in three environmental conditions:humid air,potassium chloride(KCl)solution,and KCl solution with an applied *** to that from humid air,mechanochemical material removal from the silicon surface increased substantially in the KCl-immersed condition,and further increased when electrochemistry was introduced into the tribological *** measuring the load dependence of the material removal rate and analyzing the results using a mechanically assisted Arrhenius-type kinetic model,the activation energy(E_(a))and the mechanical energy(E_(m)),by which this energy is reduced by mechanical activation,were compared qualitatively under different environmental *** the KCl-immersed condition,mechanochemistry may decrease the required effective energy of reactions(E_(eff)=E_(a)−E_(m))and promote material removal mainly through improved catalysis of the mechanochemical reactions facilitated by greater availability of water molecules compared to the humid air ***,the effectiveness of the mechanochemistry is *** the electrochemical condition,electrochemically-accelerated oxidation of the silicon surface was confirmed by the X-ray photoelectron spectroscopy(XPS)*** results strongly suggest that electrochemistry further stimulates mechanochemical reactions primarily by increasing the initial energy state of the surface via the facilitated formation of interfacial bonding bridges,i.e.,a surface oxidation/hydroxylation process.

关键词： spherical contact adhesive wear normal loading power law

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First report of a de novo germline mutation in the MLH1 gene

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World Journal of Gastroenterology 2006年第5期12卷 809-811页

作者： Rein P Stulp Yvonne J Vos bart Mol Arend Karrenbeld Monique de Raad Huub JC van der Mijle Rolf H Sijmons Department of Clmical Genetics University Medical Center GroningenPO Box 300019700 RB GroningenThe Netherlands Department of Pathology University Medical Center GroningenPO Box 300019700 RB GroningenThe Netherlands Department of Surgery Nij Smellinghe HospitalPO Box 202009200 DA DrachtenThe Netherlands

Hereditary non-polyposis colorectal carcinoma （HNPCC） is an autosomal dominant disorder associated with colorectal and endometrial cancer and a range of other tumor types. Germline mutations in the DNA mismatch repair （MMR） genes, particularly MLH1, MEH2, and MEH5, underlie this disorder. The vast majority of these HNPCC-associated mutations have been proven, or assumed, given the family history of cancer, to be transmitted through several generations. To the best of our knowledge, only a single case of a de novo germline MMR gene mutation （in MEH2） has been reported till now. Here, we report a patient with a de novo mutation in MLH1. We identified a MLH1 Q701X truncating mutation in the blood lymphocytes of a male who had been diagnosed with rectal cancer at the age of 35. His family history of cancer was negative for the first- and second-degree relatives. The mutation could not be detected in the patient＇s parents and sibling and paternity was confirmed with a set of highly polymorphic markers. Non-penetrance and small family size is the common explanation of verified negative family histories of cancer in patients with a germline MMR gene mutation. However, in addition to some cases explained by non-paternity, de novo germline mutations should be considered as a possible explanation as well. As guidelines that stress not to restrict MMR gene mutation testing to patients with a positive family history are more widely introduced, more cases of de novo MMR gene germline mutations may be revealed.

关键词： MLH1 de novo HNPCC Germline mutation

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Risk factors for overuse injuries in short-and long-distance running: A systematic review

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Journal of Sport and Health Science 2021年第1期10卷 14-28,I0001页

作者： Dennis van Poppel Maarten van der Worp Anouk Slabbekoorn Sylvia S.P.van den Heuvel Marienke van Middelkoop bart W.Koes Arianne P.Verhagen Gwendolyne G.M.Scholten-Peeters Research Group Diagnostics Avans University of Applied SciencesBreda4818 CRthe Netherlands Stichting Academie Instituut Fysiotherapie PLUS Utrecht3581 MDthe Netherlands Nederlands Paramedisch Institute Amersfoort3818 LAthe Netherlands Department of General Practice Erasmus MC Medical University CenterRotterdam3015 CEthe Netherlands Center for Muscle and Joint Health University of Southern DenmarkOdense5230Denmark Discipline of Physiotherapy Graduate School of HealthUniversity of TechnologySydneyChippendale NSW 2008Australia Department of Human Movement Sciences Faculty of Behavioral and Movement SciencesVrije Universiteit AmsterdamAmsterdam1081 HVthe Netherlands

Purpose:The aim of this study was to review information about risk factors for lower extremity running injuries in both short-distance(mean running distance-20 km/week and-10 km/session)and long-distance runners(mean running distance>20 km/week and>10 km/session).Methods:Electronic databases were searched for articles published up to February *** cohort studies using multivariable analysis for the assessment of individual risk factors or risk models for the occurrence of lower extremity running injuries were *** reviewers independently selected studies for eligibility and assessed risk of bias with the Quality in Prognostic Studies *** GRADE approach was used to assess the quality of the ***:A total of 29 studies were included:17 studies focused on short-distance runners,11 studies focused on long-distance runners,and 1 study focused on both types of runners.A previous running-related injury was the strongest risk factor for an injury for long-distance runners,with moderate-quality *** injuries not attributed to running was the strongest risk factor for an injury for short-distance runners,with high-quality *** body mass index,higher age,sex(male),having no previous running experience,and lower running volume were strong risk factors,with moderate quality evidence,for short-distance ***-quality evidence was found for all risk models as predictors of runningrelated injuries among short-and long-distance ***:Several risk factors for lower extremity injuries have been identified among short-and long-distance runners,but the quality of evidence for these risk factors for running-related injuries is *** injuries seem to have a multifactorial origin both in short-and long-distance runners.

关键词： Musculoskeletal health Protective factors Running-related injury

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The Presence of Antisperm Antibodies in Semen of Subfertile Men—Positive ASA in Subfertile Men

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Open Journal of Obstetrics and Gynecology 2021年第2期11卷 88-101页

作者： Kim Kamphorst Joyce Faber Paul Jan Quirien van der linden Deventer Ziekenhuis Department of Gynaecology Obstetrics and Reproductive Medicine Deventer The Netherlands

Background: In more than 50% of male subfertility, the aetiology remains unknown. Antisperm antibodies (ASA) might be involved, however the exact role of ASA in unexplained male subfertility is not clear, yet. Objective: The aim of this study was to examine 1) the prevalence of ASA in subfertile men, 2) the possible causes of the presence of ASA, and 3) the influence of ASA on sperm parameters and fertilization including assisted reproductive technologies (ART) and pregnancy outcomes. Study Design, Size, Duration: In this retrospective single center study, all men with semen analyses between January 2003 and December 2017 were included as well as all subfertile couples getting treatment if at least one sperm analysis showed a spermMar test ≥50%. Methods: Collected parameters were: intoxications, medication and professions that could have an adverse effect on fertility, sperm parameters, the type and amount of ART, mode of conception, pregnancy rates and outcomes. Results: 3098 semen analyses were performed. In total, 233 ASA positive men were observed, including 175 subfertile couples with an ASA positive man in the additional analyses. The prevalence of ASA in the subfertile population was 8.2%. The presence of ASA was significantly associated with the presence of oligoasthenoteratozoospermia (OAT), asthen

关键词： Retrospective Antisperm Antibodies Infertility IgG IgA

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Java 2教程第5版 4

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丛书名： Java技术丛书

2003年

作者：（美）Peter van der linden 邢国庆等译

本书分五部分28章，内容主要介绍了核心语言、核心JAVA库、服务器端JAVA技术、客户端JAVA技术和企业级技术。

ISBN: (数字)750538399X

ISBN: (纸本)750538399X

本书分五部分28章，内容主要介绍了核心语言、核心JAVA库、服务器端JAVA技术、客户端JAVA技术和企业级技术。

关键词： JAVA语言程序设计

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Prehabilitation prior to intestinal resection in Crohn’s disease patients:An opinion review

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World Journal of Gastroenterology 2022年第22期28卷 2403-2416页

作者： Michiel T J Bak Marit F E Ruiterkamp Oddeke van Ruler Marjo J E Campmans-Kuijpers bart C Bongers Nico L U van Meeteren C Janneke van der Woude Laurents P S Stassen Annemarie C de Vries Department of Gastroenterology and Hepatology Erasmus University Medical Center RotterdamRotterdam 3015 GDNetherlands Department of Surgery IJsselland HospitalCapelle aan den IJssel 2906 ZCNetherlands Department of Surgery Erasmus University Medical Center RotterdamRotterdam 3015 GDNetherlands Department of Gastroenterology and Hepatology University Medical Center Groningen and University of GroningenGroningen 9713 GZNetherlands Department of Nutrition and Movement Sciences School of Nutrition and Translational Research in MetabolismMaastricht UniversityMaastricht 6200 MDNetherlands Department of Epidemiology Care and Public Health Research InstituteMaastricht UniversityMaastricht 6200 MDNetherlands Department of Anaesthesiology Erasmus MC University Medical Center RotterdamRotterdam 3015 GDNetherlands Department of Surgery Maastricht University Medical CenterMaastricht 6229 HXNetherlands

Patients with Crohn’s disease(CD)are at a considerable risk for intestinal *** 25%of patients with CD will undergo an intestinal resection within 10 years of *** complications after CD surgery have been reported in 20%-47%of the *** general and CD-related risk factors are associated with postoperative complications,and comprise non-modifiable(e.g.,age)and potentially modifiable risk factors(e.g.,malnutrition).Prehabilitation focuses on the preoperative period with strategies designed to optimize modifiable risk factors concerning the physical and mental condition of the individual *** aim of prehabilitation is to enhance postoperative recovery and return to or even improve preoperative functional *** improvement of nutritional status,physical fitness,cessation of smoking,psychological support,and critical revision of preoperative use of CD medication are important *** of the effect on postoperative outcome in CD patients are scarce,and guidelines lack recommendations on tailored *** this opinion review,we review the current evidence on the impact of screening and management of nutritional status,physical fitness,CD medication and laboratory values on the postoperative course following an intestinal resection in CD *** addition,we aim to provide guidance for individualized multimodal prehabilitation in clinical practice concerning these modifiable factors.

关键词： Crohn’s disease Prehabilitation strategies Nutrition Physical fitness Medication Laboratory values

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