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A combined computational pipeline to detect circular RNAs in human cancer cells under hypoxic stress

Journal of Molecular Cell Biology 2019年第10期11卷 829-844页

作者： Antonella Di Liddo Camila de Oliveira Freitas Machado Sandra Fischer Stefanie ebersberger Andreas WHeumliller Julia EWeigand Michaela Muller-McNicoll Kathi Zarnack Buchmann Institute for Molecular Life Sciences Goethe University FrankfurtFrankfurt am MainGermany Institute of Cell Biology and Neuroscience Goethe University FrankfurtFrankfurt am MainGermany Institute for Cardiovascular Regeneration Goethe University FrankfurtFrankfurt am MainGermany Department of Biology Technical University DarmstadtGermany Institute of Molecular Biology(IMB) MainzGermany

Hypoxia is associated with several diseases,including *** that are deprived of adequate oxygen supply trigger tran-scriptional and post-transcriptional responses,which control cellular pathways such as angiogenesis,proliferation,and metabolic *** RNAs(circRNAs)are a novel class of mainly non-coding RNAs,which have been implicated in multiple cancers and attract increasing attention as potential ***,we characterize the circRNA signatures of three different cancer cell lines from cervical(HeLa),breast(MCF-7),and lung(A549)cancer under *** order to reliably detect circRNAs,we integrate available tools with custom approaches for quantification and statistical analysis?Using this consolidated computational pipeline,we identify?12000 circRNAs in the three cancer *** molecular characteristics point to an involvement of complementary RNA sequences as well as trans-acting factors in circRNA biogenesis,such as the RNA-binding protein HNRNPC-Notably,we detect a number of circRNAs that are more abundant than their linear *** addition,64 circRNAs significantly change in abundance upon hypoxia,in most cases in a cell type-specific *** summary,we present a comparative circRNA profiling in human cancer cell lines,which promises novel insights into the biogenesis and function of circRNAs under hypoxic stress.

关键词： circular RNA computational pipeline differential expression cancer cells hypoxia RNA-Seq

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Gallai-Ramsey Number for the Union of Stars

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Acta Mathematica Sinica,English Series 2022年第8期38卷 1317-1332页

作者： Ya Ping MAO Zhao WANG Colton MAGNANT ingo SCHIERMEYER School of Mathematics and Statistics Qinghai Normal UniversityXining 810008P.R.China College of Science China Jiliang UniversityHangzhou 310018P.R.China Department of Mathematics Clayton State UniversityMorrowGA30260USA Technische Universit?t Bergakademie Freiberg Institut für Diskrete Mathematik und Algebra09596 FreibergGermany

Given a graph G and a positive integer k,define the Gallai–Ramsey number to be the minimum number of vertices n such that any k-edge coloring of Kn contains either a rainbow(all different colored)triangle or a monochromatic copy of *** this paper,we obtain exact values of the Gallai–Ramsey numbers for the union of two stars in many cases and bounds in other *** work represents the first class of disconnected graphs to be considered as the desired monochromatic subgraph.

关键词： Ramsey theory Gallai-Ramsey number union of stars

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StarFL - a modularised metadata language for sensor descriptions

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International Journal of Digital Earth 2014年第6期7卷 450-469页

作者： Christian Malewski ingo Simonis Andrew Terhorst Arne Broring Institute for Geoinformatics University of MunsterMunsterGermany International Geospatial Services Institute EmdenGermany Commonwealth Scientific and Industrial Research Organisation Australia ITC Faculty University of TwenteEnschedeThe Netherlands North Initiative for Geospatial Open Source Software MunsterGermany

An ever-increasing number of sensor resources are being exposed via the World Wide Web to become part of the Digital ***,selection and use of these sensors and their observations require a robust sensor information model,but the consistent description of sensor metadata is a complex and difficult ***,the only available robust model is SensorML,which is intentionally designed in a very generic *** to this genericness,interoperability can hardly be achieved without the definition of application profiles that further constrain the use and expressiveness of the root *** far,such SensorML profiles have only been developed up to a limited *** work describes a new approach for defining sensor metadata,the Starfish Fungus Language(StarFL)*** language follows a more restrictive approach and incorporates concepts from the recently published Semantic Sensor Network Ontology to overcome the key issues users are experiencing with *** defines a restricted vocabulary and model for sensor metadata to achieve a high level of interoperability and a straightforward reusability of sensor descriptions.

关键词： data exchange models sensor metadata sensor web SWE usage techniques

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Phosphoinositide and Inositolpolyphosphate Signalling in Defense Responses of Arabidopsis thaliana Challenged by Mechanical Wounding

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Molecular Plant 2008年第2期1卷 249-261页

作者： Alina Mosblech Sabine Konig Irene Stenzel Peter Grzeganek Ivo Feussner ingo Heilmann Department of Plant Biochemistry Albrecht-yon-Hailer-Institute for Plant Sciences Georg-August-University G6ttingen Justus-von-Liebig-Weg 1137077 G6ttingen Germany

Various biochemical signals are implicated in Arabidopsis wound signalling, including jasmonic acid （JA）, salicylic acid, auxin, and Ca^2＋. Here, we report on cross-talk of phytohormones with phosphoinositide signals not previously implicated in plant wound responses. Within 30 min of mechanical wounding of Arabidopsis rosette-leaves, the levels of the lipid-derived soluble inositolpolyphosphate, inositol 1,4,5-trisphosphate （InsP3）, increased four to five-fold. Concom- itantly, the precursor lipids, phosphatidylinositol 4,5-bisphosphate, phosphatidylinositol 4-phosphate and phosphatidylinositol transiently depleted, followed by re-synthesis after 30-60 min of stimulation. Increased InsP3 levels with wounding coincided with JA increases over the first hours of stimulation. In dde2-2-mutant plants deficient in JA biosynthesis, no InsP3 increase was observed upon wounding, indicating that JA was required for InsP3 formation, and InsP3 levels increased in wild-type plants challenged with sorbitol, increasing endogenous JA levels. In InsP 5-ptase plants with attenuated phosphoinositide signalling, the induction of wounding-inducible genes was diminished compared with wildtype plants, suggesting a role for phosphoinositide signalling in mediating plant wound responses. The gene-expression patterns suggest that phosphoinositides contribute to both JA-dependent and JA-independent aspects of wound signalling. Weight gain of Plutella xylostella caterpillars feeding on InsP 5-ptase plants was increased compared with that of caterpillars feeding on wild-type plants. The ecophysiological relevance of phosphoinositide signals in plant defense responses to herbivory is discussed in light of recent findings of inositolpolyphosphate involvement in phytohormone-receptor function.

关键词： .Wild-type Increases Defense Responses Mechanical Wounding Heilmann wound signalling InsP levels InsP ptase

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Cautious interpretation of coulombic efficiency(CE) in lithium metal batteries

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Journal of Energy Chemistry 2021年第5期30卷 34-36页

作者： Fu Sun Dong Zhou Xiaogang Wang ingo Manke Libao Chen Qingdao Institute of Bioenergy and Bioprocess Technology Chinese Academy of SciencesQingdao 266101ShandongChina Ningbo Institute of Materials Technology&Engineering Chinese Academy of SciencesNingbo 315201ZhejiangChina Institute of Applied Materials Helmholtz-Zentrum Berlin fiir Materialien und EnergieHahn-Meitner-Platz 114109 BerlinCermany State Key Laboratory for Powder Metallurgy Central South UniversityChangsha 410083HunanChina

The soaring demand for electrical energy storage technologies stimulated by advanced portable devices, prospering electric vehicles, and large-scale grid storage applications have triggered explosive research on Li metal battery (LMB), which has been widely acknowledged as the most promising energy storage technology of the future that can break the energy-density bottleneck of the state-of-art lithium-ion battery (LIB) technology [1,2].

关键词： Coulombic efficiency Lithium metal anode Lithium metal battery Lithium ion battery

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Entropy and Energy 2005

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丛书名： Interaction of Mechanics and Mathematics

2005年

作者： ingo Müller Wolf Weiss

来源：畅想之星图书光盘版（南... 评论

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Tempering of exhausted T cells to comprehend their adaptive response for suitable clinical translation

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Cellular & Molecular Immunology 2023年第12期20卷 1401-1402页

作者： Amit Sharma ingo G.H.Schmidt-Wolf Department of Integrated Oncology Center for Integrated Oncology(CIO)BonnUniversity Hospital BonnBonnGermany

Although cancer immunotherapy has taken center stage,exhaustion of T cells is undeniably one of the major problems preventing it from being fully successful[1].Certainly,reversal of T-cell exhaustion or dysfunction is of great importance for developing new strategies and restoring immune ***,counterarguments about the adverse effect of reversing T-cell exhaustion(leading to overactivation of T cells and cytotoxicity)and even their irreversible properties have been quite common in scientific *** more to be discovered about the reasons for T-cell failure,a better understanding of the molecular factors/determinants[2,3]that shape/remodel“heterogeneous”dysfunctional T cells in cancer makes clear ***,two recent publications in Nature immunology have described the intriguing perspective of T-cell exhaustion[4,5].Of interest,Vignali et *** on the hypoxia-driven CD39-dependent suppressor function of exhausted T cells,whereas Saadey et *** restoring the epigenetic balance of TGFβ1/BMP signaling in exhausted T cells to unlock responsiveness to immune checkpoint blockade therapy.

关键词： irreversible exhaustion publications

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A Deleted Deletion Site in a New Vector Strain and Exceptional Genomic Stability of Plaque-Purified Modified Vaccinia Ankara(MVA)

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Virologica Sinica 2020年第2期35卷 212-226页

作者： ingo Jordan Deborah Horn Kristin Thiele Lars Haag Katharina Fiddeke Volker Sandig ProBioGen AG.Herbert-Bayer-StraBe 8 13086 BerlinGermany Sartorius Stedim Cellca GmbH.Erwin-Rentschler-Str 21 88471 LaupheimGermany Vironova AB Giivlegatan 2211330 StockholmSweden Department of Laboratory Medicine Karolinska Universitetsjukhuset i Huddinge14152 HuddingeSweden

Vectored vaccines based on highly attenuated modified vaccinia Ankara(MVA) are reported to be immunogenic, tolerant to pre-existing immunity, and able to accommodate and stably maintain very large transgenes. MVA is usually produced on primary chicken embryo fibroblasts, but production processes based on continuous cell lines emerge as increasingly robust and cost-effective alternatives. An isolate of a hitherto undescribed genotype was recovered by passage of a nonplaque-purified preparation of MVA in a continuous anatine suspension cell line(***) in chemically defined *** novel isolate(MVA-CR19) replicated to higher infectious titers in the extracellular volume of suspension cultures and induced fewer syncytia in adherent cultures. We now extend previous studies with the investigation of the point mutations in structural genes of MVA-CR19 and describe an additional point mutation in a regulatory gene. We furthermore map and discuss an extensive rearrangement of the left telomer of MVA-CR19 that appears to have occurred by duplication of the right telomer. This event caused deletions and duplications of genes that may modulate immunologic properties of MVACR19 as a vaccine vector. Our characterizations also highlight the exceptional genetic stability of plaque-purified MVA:although the phenotype of MVA-CR19 appears to be advantageous for replication, we found that all genetic markers that differentiate wildtype and MVA-CR19 are stably maintained in passages of recombinant viruses based on either wildtype or MVA-CR.

关键词： Modified vaccinia Ankara(MVA) MVA-CR19 CR.pIX Suspension cell line Vaccine production Genome stability

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Optimized Three-Dimensional Cardiovascular Magnetic Resonance Whole Heart Imaging Utilizing Non-Selective Excitation and Compressed Sensing in Children and Adults with Congenital Heart Disease

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Congenital Heart Disease 2023年第3期18卷 279-294页

作者： ingo Paetsch Roman Gebauer Christian Paech Frank-Thomas Riede Sabrina Oebel Andreas Bollmann Christian Stehning Jouke Smink ingo Daehnert Cosima Jahnke Department of Electrophysiology Heart Center Leipzig at University of LeipzigLeipzigGermany Department of Pediatric Cardiology Heart Center Leipzig at University of LeipzigLeipzigGermany Philips Research Laboratories HamburgGermany Philips Medical Systems BestThe Netherlands

Background:In congenital heart disease(CHD)patients,detailed three-dimensional anatomy depiction plays a pivotal role for diagnosis and therapeutical decision ***,the present study investigated the applicability of an advanced cardiovascular magnetic resonance(CMR)whole heart imaging approach utilizing nonselective excitation and compressed sensing for anatomical assessment and interventional guidance of CHD patients in comparison to conventional dynamic CMR ***:86 consecutive pediatric patients and adults with congenital heart disease(age,1 to 74 years;mean,35 years)underwent CMR imaging including a freebreathing,ECG-triggered 3D nonselective SSFP whole heart acquisition using compressed SENSE(nsWHcs).Anatomical assessability and signal intensity ratio(SIR)measurements were compared with conventional dynamic 3D-/4D-MR ***:The most frequent diagnoses were partial anomalous pulmonary venous drainage(17/86,20%),transposition of the great arteries(15/86,17%),tetralogy of Fallot(12/86,14%),and a single ventricle(7/86,8%).Image quality of nsWHcs was rated as excellent/good in 98%of *** resulted in a reliable depiction of all large thoracic vessels(anatomic assessability,99%–100%)and the proximal segments of coronary arteries and coronary sinus(>90%).nsWHcs achieved a homogenously distributed SIR in all cardiac cavities and thoracic vessels without a significant difference between pulmonary and systemic circulation(10.9±3.5 and 10.6±3.4;p=0.15),while 3D angiography showed significantly increased SIR for targeted ***-targeted circulation(PA-angiography,15.2±8.1 vs.5.8±3.6,p<0.001;PV-angiography,7.0±3.9 vs.17.3±6.8,p<0.001).Conclusions:The proposed nsWHcs imaging approach provided a consistently high image quality and a homogeneous signal intensity distribution within the pulmonary and systemic circulation in pediatric patients and adults with a wide spectrum of congenital heart *** enabled detailed anatomi

关键词： Cardiovascular magnetic resonance imaging congenital heart disease whole heart imaging nonselective SSFP compressed SENSE MR angiography

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Microstructure analyses and phase-field simulation of partially divorced eutectic solidification in hypoeutectic Mg-Al Alloys

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Journal of Magnesium and Alloys 2022年第6期10卷 1672-1679页

作者： Joo-Hee Kang Jiwon Park Kyung Song Chang-Seok Oh Oleg Shchyglo ingo Steinbach Korea Institute of Materials Science Changwon 51508Republic of Korea Interdisciplinary Centre for Advanced Materials Simulation Ruhr-University Bochum44801 BochumGermany

In this study the partially divorced eutectic microstructure ofα-Mg andβ-Mg17Al12was investigated by electron backscatter diffraction,transmission electron microscopy,and phase-field modeling in hypoeutectic Mg-Al *** orientation relationships between the individual eutecticαgrains,eutecticβphase,and primaryαgrains were *** the amount of eutectic morphology is primarily determined by the Al content,the in-depth microstructure analyses and the phase-field simulation suggest non-interactive nucleation and growth of eutecticαphase in theβphase grown on the interdendritic primaryα***,phase-field simulations showed a preferred nucleation sequence where theβphase nucleates first and subsequently triggers the nucleation of eutecticαphase at the movingβphase solidification front,which supports the microstructural analysis results.

关键词： Mg-Al alloy Partially divorced eutectic Solidification Electron backscatter diffraction Phase-Field modeling

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