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New perspectives on biology,disease progression,and therapy response of head and neck cancer gained from single cell RNA sequencing and spatial transcriptomics

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Oncology Research 2024年第1期32卷 1-17页

作者： GERWIN HELLER THORSTEN FUEREDER alexander michael GRANDITS ROTRAUD WIESER Division of Oncology Department of Medicine IMedical University of ViennaVienna1090Austria Ludwig Boltzmann Institute for Hematology and Oncology Medical University of ViennaVienna1090Austria

Head and neck squamous cell carcinoma(HNSCC)is one of the most frequent cancers *** main risk factors are consumption of tobacco products and alcohol,as well as infection with human papilloma *** therapeutic options comprise surgery,radiation,chemotherapy,targeted therapy through epidermal growth factor receptor inhibition,and immunotherapy,but outcome has remained unsatisfactory due to recurrence rates of~50%and the frequent occurrence of second *** availability of the human genome sequence at the beginning of the millennium heralded the omics era,in which rapid technological progress has advanced our knowledge of the molecular biology of malignant diseases,including HNSCC,at an unprecedented ***,microarray-based methods,followed by approaches based on next-generation sequencing,were applied to study the genetics,epigenetics,and gene expression patterns of bulk *** recently,the advent of single-cell RNA sequencing(scRNAseq)and spatial transcriptomics methods has facilitated the investigation of the heterogeneity between and within different cell populations in the tumor microenvironment(e.g.,cancer cells,fibroblasts,immune cells,endothelial cells),led to the discovery of novel cell types,and advanced the discovery of cell-cell communication within *** review provides an overview of scRNAseq,spatial transcriptomics,and the associated bioinformatics methods,and summarizes how their application has promoted our understanding of the emergence,composition,progression,and therapy responsiveness of,and intercellular signaling within,HNSCC.

关键词： Head and neck squamous cell carcinoma Tumor microenvironment Immunotherapy Gene expression Omics

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Update in the treatment of intracranial atherosclerotic disease

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Stroke & Vascular Neurology 2020年第1期5卷 59-64页

作者： Zachary R Barnard michael J alexander Neurosurgery Cedars-Sinai Medical CenterLos AngelesCaliforniaUSA

This review highlights the recent evolution of the imaging,medical management,surgical options and endovascular therapies for symptomatic intracranial atherosclerotic disease(ICAD).Recent imaging developments including optical coherence tomography and other modalities to assess the intracranial arteries for symptomatic ICAD are reviewed,not only to diagnose ICAD but to determine if ICAD plaques have any high-risk features for *** future developments in the treatment of ICAD are discussed,including the development of trackable drug-coated balloons for the cerebral circulation to treat primary or restenotic arteries,new iterations of self-expanding intracranial stents with easier delivery systems,and the re-examination of indirect surgical bypass techniques for *** addition to these important technological developments,however,is the evolving evidence regarding the best treatment window for these techniques and additional factors in medical management which can improve patient outcomes in this devastating pathology.

关键词： intracranial balloon arteries

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Intonation in the grammar of English Har/Cdr

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丛书名： Equinox textbooks and surveys in linguistics

2008年

作者： michael alexander Kirkwood Halliday William S. Greaves

Includes bibliographical references (p. 219-224).

ISBN: (纸本)9781904768142

Includes bibliographical references (p. 219-224).

关键词： Oral communication.

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Single injection of platelet-rich plasma as a novel treatment of carpal tunnel syndrome

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Neural Regeneration Research 2015年第11期10卷 1856-1859页

作者： michael alexander Malahias Elizabeth O.Johnson George C.Babis Vasileios S.Nikolaou Second Department of Orthopedics Athens University Department of Anatomy School of Medicine Athens University

Both in vitro and in vivo experiments have confirmed that platelet-rich plasma has therapeutic effects on many neuropathies, but its effects on carpal tunnel syndrome remain poorly understood. We aimed to investigate whether single injection of platelet-rich plasma can improve the clinical symptoms of carpal tunnel syndrome. Fourteen patients presenting with median nerve injury who had suffered from mild carpal tunnel syndrome for over 3 months were included in this study. Under ultrasound guidance, 1-2 m L of platelet-rich plasma was injected into the region around the median nerve at the proximal edge of the carpal tunnel. At 1 month after single injection of platelet-rich plasma, Visual Analogue Scale results showed that pain almost disappeared in eight patients and it was obviously alleviated in three patients. Simultaneously, the disabilities of the arm, shoulder and hand questionnaire showed that upper limb function was obviously improved. In addition, no ultrasonographic manifestation of the carpal tunnel syndrome was found in five patients during ultrasonographic measurement of the width of the median nerve. During 3-month follow-up, the pain was not greatly alleviated in three patients. These findings show very encouraging mid-term outcomes regarding use of platelet-rich plasma for the treatment of carpal tunnel syndrome.

关键词： nerve regeneration carpal tunnel syndrome platelet-rich plasma ultrasound guidance pilot study neural regeneration

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Comparative clinical study of ultrasound-guided A1 pulley release vs open surgical intervention in the treatment of trigger finger

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World Journal of Orthopedics 2017年第2期8卷 163-169页

作者： Vasileios S Nikolaou michael-alexander Malahias Maria-Kyriaki Kaseta Ioannis Sourlas George C Babis 2~(nd) Orthopaedic Department School of MedicineNational and Kapodistrian University of Athens

AIM To investigate the effectiveness of ultrasound-guided release of the first annular pulley and compare results with the conventional open operative *** In this prospective randomized, single-center, clinical study, 32 patients with trigger finger or trigger thumb, grade Ⅱ-Ⅳ according to Green classification system, were recruited. Two groups were formed; Group A(16 patients) was treated with an ultrasound-guided percutaneous release of the affected A1 pulley under local anesthesia. Group B(16 patients) underwent an open surgical release of the A1 pul ey, through a 10-15 mm incision. Patients were assessed pre- and postoperatively(follow-up:2,4 and 12 wk) by physicians blinded to the procedures. Treatment of triggering(primary variable of interest) was expressed as the "success rate" per digit. The time for taking postoperative pain killers, range of motion recovery, QuickD ASH test scores(Greek version), return to normal activities(including work), complications and cosmetic results were *** The success rate in group A was 93.75%(15/16) and in group B 100%(16/16). Mean times in group A patients were 3.5 d for taking pain killers, 4.1 d for returning to normal activities, and 7.2 and 3.9 d for complete extension and flexion recovery, respectively. Mean Quick DASH scores in group A were 45.5 preoperatively and, 7.5, 0.5 and 0 after 2, 4, and 12 wk postoperatively. Mean times in group B patients were 2.9 d for taking pain killers, 17.8 d for returning to normal activities, and 5.6 and 3 d for complete extension and flexion recovery. Mean QuickD ASH scores in group B were 43.2 preoperatively and, 8.2, 1.3 and 0 after 2, 4, and 12 wk postoperatively. The cosmetic results found excellent or good in 87.5%(14/16) of group A patients, while in 56.25%(9/16) of group B patients were evaluated as fair or *** Treatment of the trigger finger using ultrasonography resulted in fewer absence of work days, and better cosmetic results, in comp

关键词： Ultrasound-guided Trigger finger A1 release Comparative V-lance knife Percutaneous Minimallyinvasive

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Mesenchymal Stem Cell Allograft Improved Pain Management in Dogs with Osteoarthritis

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Journal of Biosciences and Medicines 2023年第11期11卷 181-189页

作者： Jonathan R. T. Lakey Wenyi Guo michael alexander Mike K. S. Chan Michelle B. F. Wong Todd Scott Department of Surgery University of California Irvine Irvine USA Department of Biomedical Engineering University of California Irvine Irvine USA Department of Pancreatic Surgery General Surgery Qilu Hospital of Shandong University Jinan China European Wellness Biomedical Group Edenkoben Germany Baden R&D Laboratories GmbH Sabine Conrad Ferdinand-Laselle-Strasse Edenkoben Germany Crestwood Veterinary Clinic Edmonton Canada

Background: Osteoarthritis is one of the most common bone diseases, triggered by bone destruction stemming from the inflammatory response of chondrocytes. The disease progresses slowly, but halting its progression or finding a cure remains elusive. The treatment of pain associated with osteoarthritis has yielded unsatisfactory results. In recent years, mesenchymal stem cells (MSCs) have emerged as a potential avenue for addressing the condition. In this study, we used MSCs to treat companion dogs with osteoarthritis. Methods: For this study, 26 animals were included in this study to assess the pain and mobility one month after treatment. The pain scores were obtained from owners using a questionnaire based on the Helsinki Chronic Pain Index, and the Liverpool Osteoarthritis in Dogs (LOAD) Owner questionnaire to assess the mobility of the dogs from stem cell infusion. Results: Questionnaires were administered to dog owners before and one month after treatment, and we found that dogs treated with MSCS experienced an 81.2% ± 6.8% reduction in pain and a 77.9% ± 10.1% increase in mobility, whereas most of the dogs in the untreated control group experienced disease progression. Conclusions: The transplantation of stem cells into companion pets is a promising and expanding opportunity for pet owners with aging and arthritic dogs. MSCs may play an important role in the treatment of OA without complications in companion pets.

关键词： Stem Cell Therapy Canine Pain Osteoarthritis Mesenchymal Stem Cell

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Harnessing naturally occurring mutations for T-cell therapy:a potential new avenue to enhance treatment efficacy

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Signal Transduction and Targeted Therapy 2024年第5期9卷 1799-1801页

作者： michael Hiltensperger Jürgen Ruland Kilian Schober Mikrobiologisches Institut-Klinische Mikrobiologie Immunologie und HygieneFriedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany Institute of Clinical Chemistry and Pathobiochemistry School of MedicineTechnical University of MunichMunichGermany TranslaTUM Center for Translational Cancer ResearchTechnical University of MunichMunichGermany German Cancer Consortium(DKTK) HeidelbergGermany German Center for Infection Research(DZIF) partner site MunichMunichGermany FAU Profile Center Immunomedicine Friedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany

In a recent study published in Nature,Garcia et *** a sophisticated approach to identify fitness-enhancing mutations for T cells that was inspired by cancer evolution.1 The identified CARD11-PIK3R3 gene fusion enhanced tumor rejection and persistence of engineered T cells in multiple tumor models and might have the potential to improve efficacy of adoptive T-cell therapies in cancer patients.

关键词： cancer potential

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Like a G6-nal:transcriptional control of G-protein coupled receptors during oligodendroglial development

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Neural Regeneration Research 2025年第7期20卷 2001-2002页

作者： Tim Aberle michael Wegner* Institut für Biochemie Friedrich-Alexander-Universität Erlangen-NürnbergErlangenGermany

Multilayered control of myelination:Quick,saltatory conduction of action potentials along nerve fibers requires the electrical insulation of axons by myelinating *** the central nervous system,this role is taken up by *** are marked by the expression of the lineage determinants Sox10 and Olig2 and arise from oligodendrocyte precursor cells(OPCs)during embryonal *** the majority of OPCs differentiate into mature oligodendrocytes when nearby axonal segments require myelination,a small subpopulation of OPCs persist as a progenitor ***,the timing of myelination and maintenance of the OPC pool both need to be precisely *** transcription factors either positively or negatively affect oligodendrocyte differentiation and maintenance of the OPC pool as components of a complex gene regulatory network(reviewed in Sock and Wegner,2021).Network activity is additionally influenced by extracellular signaling molecules that bind to receptors on the oligodendroglial cell surface and activate intracellular signaling *** the receptors are linked to the network is poorly understood so far,but pivotal to understanding the overall regulation of central nervous system(CNS)myelination in response to environmental *** insights were recently gained for Gpr37(Schmidt et al.,2024),a G-protein coupled receptor(GPCR)with known relevance in differentiating oligodendrocytes(Yang et al,2016).

关键词： gained insulation conduction

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合作与联合:全球化背景下的大学(英文)

合作与联合:全球化背景下的大学(英文)

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北京论坛（2008）文明的和谐与共同繁荣——文明的普遍...

作者： michael alexander McRobbie Indiana University

In June 2008,Lee Hamilton and Thomas Kean,two well known ***,published a widely publicized article in which they wrote:"The *** conduct itself effectively in a competitive international environment when our most educated citizens lack minimal exposure to,and understanding of,the world beyond U.S borders....Ignorance of the world is a national liability."

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实现目标

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车主之友 2009年第11期 126-131页

作者： michael Godde alexander Lidl Wally Bister(摄影)

很长一段时间以来，奥迪和梅赛德斯一直没有理会宝马在紧凑型运动型多功能车领域的一家独强。现在凭借着Q5和GLK，奥迪和梅赛德斯想要改变现状。

关键词：运动型多功能车梅赛德斯紧凑型奥迪宝马

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