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Understanding Behavioral Manifestations of Obsessive-Compulsive Disorder in People with Intellectual Disabilities—A Qualitative Study

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Open Journal of Psychiatry 2024年第2期14卷 67-90页

作者： Lena grüter matthias grünke Department of Rehabilitation and Special Education University of Cologne Cologne Germany

Background: There is limited knowledge about obsessive-compulsive disorder (OCD) in people with intellectual disabilities (IDs). This paper describes the manifestation of compulsive behaviors associated with OCD at the behavioral level in people with ID in institutionalized settings. The aim was to gain nuanced insight into appropriate understanding and classification in this specific context, and derive implications for research and practice. Methods: Individual cases of people with ID (n = 7) were studied to assess compulsive symptoms through two days of on-site observation of the person with ID within the institution, guided group discussions (n = 28), and semi-structured interviews with key informants and caregivers of the person with ID (n = 20). Caregiver ratings of the compulsive behavior checklist were compiled. Data were analyzed using qualitative content analysis. Results: All forms of OCD were present. Characteristics of compulsive behaviors in people with ID at the behavioral level included less complex and more obvious compulsive acts, immediate responses, signs of tension, motor restlessness, facial expression changes, repetition, need for predictability, time-consuming behaviors, and aggressive reactions when these acts were interrupted. Some of the compulsive behaviors corresponded to the ICD-11 OCD code 6B20, and others to compulsions as a psychological symptom (MB23.4). Conclusions: OCD may manifest atypically at the behavioral level in people with ID, posing significant challenges for accurate classification due to symptom ambiguity. Follow-up differential diagnostic studies are needed to more accurately identify and differentiate OCD symptoms in people with ID. Further, disorder-specific guidelines for recognizing OCD in people with ID are needed for institutionalized settings without psychiatric-psychotherapeutic expertise.

关键词： People with Intellectual Disabilities Obsessive-Compulsive Disorder Compulsive Behavior Diagnostics Differential Diagnosis

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Note on:“Ballistic model for the prediction of penetration depth and residual velocity in adobe:A new interpretation of the ballistic resistance of earthen masonry”

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Defence Technology（防务技术） 2024年第1期31卷 607-609页

作者： Andreas Heine matthias Wickert Fraunhofer EMI Ernst-Zermelo-Str.479104FreiburgGermany

A recently published modeling approach for the penetration into adobe and previous approaches implicitly criticized are reviewed and *** article contains a note on the paper titled“Ballistic model for the prediction of penetration depth and residual velocity in adobe:A new interpretation of the ballistic resistance of earthen masonry”(DOI:https://***/10.1016/***.2018.07.017).Reply to the Note from Li Piani et al is linked to this article.

关键词： adobe prediction earth

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Unveiling the culprit:the fusobacterium lineage that populates colorectal cancer

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2349-2350页

作者： Johannes Betge matthias P.Ebert Department of Medicine Ⅱ Medical Faculty MannheimHeidelberg UniversityMannheimGermany Junior Clinical Cooperation Unit Translational Gastrointestinal Oncology and Preclinical Models German Cancer Research Center(DKFZ)HeidelbergGermany DKFZ Hector Cancer Institute at University Medical Center MannheimGermany MMPU Microbiota Drug Metabolism and Cancer Therapy European Molecular Biology LaboratoryHeidelbergGermany

In a recent study published in Nature,Zepeda-Rivera et al.1 discovered that one distinct clade of Fusobacterium nucleatum animalis(Fna)dominates the colorectal cancer(CRC)tumor *** work unravels a more precise understanding of a major bacterial species associated with CRC progression,thereby establishing a new focus for future studies,which may aid to develop improved microbiome-based diagnostics and treatments(Fig.1).

关键词： colorectal al. cancer

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Experimental investigation of radiative heat propagation in a simplified generic packed bed

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Particuology 2024年第5期88卷 149-160页

作者： matthias Tyslik Lukas Pörtner Siegmar Wirtz Martin Schiemann Institute of Energy Plant Technology Ruhr-University Bochum44780 BochumGermany

A novel test rig for the investigation of radiative heat transfer in packed beds has been developed and is introduced with representative experimental *** individual components and the calibration are *** generic packed bed is realized in a simplified way by an arrangement of parallel rods,which represent particles in *** this arrangement,electrically heated rods provide the radiation propagating through the rod array to heat the passive counterparts.A sophisticated temperature-control scheme with a large number of thermocouples and infrared-imaging provides in-depth information about heat transfer in the *** radiation intensities are determined with a Fourier-transform infrared spectroscopy,which has been modified and validated for this specific *** order to compare the influence of different surface properties of particles on the heat propagation and surface reflections,rod samples made of stainless steel and magnesium oxide are *** influence of material properties becomes clearly visible by comparing the high radiation intensities resulting from a stainless steel rod array to the same geometry built from magnesium oxide *** addition,the influence of the surface properties is particularly evident in the infrared images since the reflections are significantly higher for the stainless steel samples than for the magnesium oxide *** experimental results in the current work demonstrate the ability of the test rig to provide data with a well-defined accuracy as a validation base for numerical radiation simulations in packed beds.

关键词： Thermal radiation Spectral reflections Fourier-transform infrared spectroscopy

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Prosaposin hyperglycosylation: a novel tumor immune escape mechanism and implications for cancer immunotherapy

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3150-3152页

作者： matthias Peipp Diana Dudziak Christian Kellner Division of Antibody-Based Immunotherapy Department of Medicine IChristian-Albrechts University and University Hospital Schleswig-HolsteinKielGermany institute of Immunology Jena University HospitalFriedrich-Schiller-UniversityJenaGermany Comprehensive Cancer Center Central Germany Jena/Leipzig JenaGermany Division of Transfusion Medicine Cell Therapeutics and HaemostaseologyLMU University HospitalLMU MunichMunichGermany

In a recent article published in Science,Sharma et *** the essential role of saposins in cross-presentation of tumor membraneassociated antigens by dendritic cells(DC)to CD8^(+)T cells.1 However,antigen cross-presentation,which is fundamental in cancer cell elimination,is hindered in tumor DC by hyperglycosylation of the common saposin precursor prosaposin(pSAP)leading to impaired T cell tumor immunity-yet,the potential of recombinant pSAP to re-establish T cell responses may offer a novel way to counteract immune evasion in a therapeutic approach.

关键词： impaired immunity al.

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The bumpy road of purinergic inhibitors to clinical application in immune-mediated diseases

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Neural Regeneration Research 2024年第6期19卷 1206-1211页

作者： matthias T.Wyss Christine Heuer Marina Herwerth Institute of Pharmacology and Toxicology University of ZurichZürichSwitzerland Neuroscience Center Zurich(ZNZ) University of Zurich and ETH ZurichZürichSwitzerland Neurology Department University Hospital of ZurichZürichSwitzerland

Purinergic signaling plays important roles throughout the body in the regulation of organ functions during and following the disruption of *** is also reflected by the widespread expression of two families of purinergic receptors(P1 and P2)with numerous *** the last few decades,there has been increasing evidence that purinergic signaling plays an important role in the regulation of immune ***,signals mediated by P2 receptors have been shown to contribute to immune system-mediated ***,interference with P2 receptors may be a promising strategy for the modulation of immune *** only a few clinical studies have been conducted in isolated entities with limited success,preclinical work suggests that the use of P2 receptor inhibitors may bear some promise in various autoimmune *** the association of P2 receptors with several disorders from this field,the use of P2 receptor antagonists in clinical therapy is still very *** this narrative review,we briefly review the involvement of the purinergic system in immunological responses and clinical studies on the effect of purinergic inhibition on autoimmune *** then open the aperture a bit and show some preclinical studies demonstrating a potential effect of purinergic blockade on autoimmune *** suramin,a non-specific purinergic inhibitor,as an example,we further show that off-target effects could be responsible for observed effects in immunological settings,which may have interesting ***,we believe that it is worthwhile to further investigate this hitherto underexplored area.

关键词： autoimmune diseases neurological disorders purinergic system P2 receptor inhibitors suramin

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A numerical and experimental comparison of heat transfer in a quasi two-dimensional packed bed

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Particuology 2024年第1期84卷 136-144页

作者： matthias Tyslik Mirko Ebert Martin Schiemann Siegmar Wirtz Christian Lessig Department of Energy Plant Technology Ruhr-University BochumGermany Institute for Simulation and graphics Otto-von-Guericke-Universität MagdeburgGermany

Heat transfer plays a major role in many industrial processes taking place in packed *** accurate and reliable simulation of the heat exchange between particles is therefore crucial for a reliable operation and to optimize the processes in the *** discrete ordinates method(DOM)provides an established numerical technique to model radiative heat transfer in granular media that offers the possibility to consider the directional dependence of the radiation *** this work,DOM is compared with Monte Carlo ray tracing,which provides an alternative method for heat transfer ***-rically simple configurations are used to investigate the influence of the angular discretization on the accuracy of the results and the computation time in both *** obtained insights are then transferred to a more complex configuration of a quasi two-dimensional test rig consisting of metal rods for which also experimental results are *** results show that both DOM and Monte Carlo ray tracing allow for an accurate simulation of heat transfer in packed *** Carlo ray tracing requires thereby computation times that are surprisingly competitive(although still somewhat slower)compared to DOM and allows for an easier computation of highly accurate reference *** our preliminary comparison to the experimental test rig,Monte Carlo ray tracing also provides the advantage that it can more easily model highly specular materials such as stainless *** methods are comparable for diffuse materials such as magnesium oxide.

关键词： Heat transfer Discrete ordinates method Monte Carlo ray tracing

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B-cell and antibody responses to SARS-CoV-2:infection,vaccination,and hybrid immunity

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Cellular & Molecular Immunology 2024年第2期21卷 144-158页

作者： Dennis Lapuente Thomas H.Winkler matthias Tenbusch Institut für klinische und molekulare Virologie Universitätsklinikum Erlangen und Friedrich-Alexander-Universität(FAU)Erlangen-NürnbergSchlossgarten 491054 ErlangenGermany Department of Biology Division of GeneticsNikolaus-Fiebiger-Center for Molecular MedicineFriedrich-Alexander-Universität Erlangen-Nürnberg(FAU)ErlangenGermany Medical Immunology Campus Erlangen Friedrich-Alexander-Universität(FAU)Erlangen-NürnbergSchlossplatz 191054 ErlangenGermany

The emergence of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)in 2019 prompted scientific,medical,and biotech communities to investigate infection-and vaccine-induced immune responses in the context of this pathogen.B-cell and antibody responses are at the center of these investigations,as neutralizing antibodies(nAbs)are an important correlate of protection(COP)from infection and the primary target of SARS-CoV-2 vaccine *** addition to absolute levels,nAb longevity,neutralization breadth,immunoglobulin isotype and subtype composition,and presence at mucosal sites have become important topics for scientists and health policy *** recent pandemic was and still is a unique setting in which to study de novo and memory B-cell(MBC)and antibody responses in the dynamic interplay of infection-and vaccine-induced *** also provided an opportunity to explore new vaccine platforms,such as mRNA or adenoviral vector vaccines,in unprecedented cohort *** with the technological advances of recent years,this situation has provided detailed mechanistic insights into the development of B-cell and antibody responses but also revealed some unexpected *** this review,we summarize the key findings of the last 2.5 years regarding infection-and vaccine-induced B-cell immunity,which we believe are of significant value not only in the context of SARS-CoV-2 but also for future vaccination approaches in endemic and pandemic settings.

关键词： SARS-CoV-2 neutralizing antibodies memory responses vaccines IgG4

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Small activating RNA delivery in vivo:Challenges,prospects,and lessons learned from siRNA delivery

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Nano Research 2024年第10期17卷 8990-9002页

作者： Shalini Pandey Patrick T.Bednarz matthias A.Oberli Omid Veiseh Department of Bioengineering William Marsh Rice UniversityHouston 77030USA Xibus Systems 199 Dexter AveWatertown 02472USA

Over the last two decades,small activating RNAs(saRNAs)have quickly moved from discovery to clinical *** as 20 nucleotide long,double stranded RNA,saRNAs have the unique ability to increase gene transcription at the chromatin *** therapeutic modality has great potential as a safe and redosable alternative to gene therapy by increasing target protein expression without changing the genetic *** describe the successful in vivo saRNA delivery vectors and found that similar to small interfering RNA(siRNA)and mRNA targeting tissues outside the liver works best at the end of a *** highlight nanoparticle vectors and RNA-conjugates,where some success has been reported for non-hepatic delivery of saRNAaptamers.

关键词： small activating RNA hepatic bias lipid nanoparticles RNA-conjugates

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Exploring the modulatory role of bovine lactoferrin on the microbiome and the immune response in healthy and Shiga toxin‑producing *** challenged weaned piglets

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Journal of Animal Science and Biotechnology 2024年第3期15卷 1278-1291页

作者： matthias Dierick Ruben Ongena Daisy Vanrompay Bert Devriendt Eric Cox Laboratory of Immunology Department of Translational PhysiologyInfectiology and Public HealthFaculty of Veterinary MedicineGhent UniversitySalisburylaan 1339820 MerelbekeBelgium Laboratory for Immunology and Animal Biotechnology Faculty of Bioscience EngineeringGhent UniversityCoupure links 6539000 GhentBelgium

Background Post-weaned piglets suffer from F18+Escherichia coli(***)infections resulting in post-weaning diar-rhoea or oedema *** used management strategies,including colistin and zinc oxide,have contrib-uted to the emergence and spread of antimicrobial *** antimicrobials capable of directly interacting with pathogens and modulating the host immune responses are being *** has shown promising results against porcine enterotoxigenic *** strains,both in vitro and in *** We investigated the influence of bovine lactoferrin(bLF)on the microbiome of healthy and infected weaned ***,we assessed whether bLF influenced the immune responses upon Shiga toxin-producing ***(STEC)***,2 in vivo trials were conducted:a microbiome trial and a challenge infection trial,using an F18+STEC *** did not affect theα-andβ-***,bLF groups showed a higher relative abundance(RA)for the Actinobacteria phylum and the Bifidobacterium genus in the ileal *** analysing the immune response upon infection,the STEC group exhibited a significant increase in F18-specific IgG serum levels,whereas this response was absent in the bLF *** Taken together,the oral administration of bLF did not have a notable impact on theα-andβ-diversity of the gut microbiome in weaned ***,it did increase the RA of the Actinobacteria phylum and Bifi-dobacterium genus,which have previously been shown to play an important role in maintaining gut ***,bLF administration during STEC infection resulted in the absence of F18-specific serum IgG responses.

关键词： E.coli Immune modulation Lactoferrin Microbiome

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