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Oligodendroglial heterogeneity in health,disease,and recovery:deeper insights into myelin dynamics

Neural Regeneration Research 2025年第11期20卷 3179-3192页

作者： Pieter-Jan Serneels julie D.De Schutter Lies De Groef Lieve Moons Steven Bergmans KU Leuven Leuven Brain InstituteDepartment of BiologyAnimal Physiology and Neurobiology DivisionNeural Circuit Development&Regeneration Research GroupLeuvenBelgium KU Leuven Leuven Brain InstituteDepartment of BiologyAnimal Physiology and Neurobiology DivisionCellular Communication&Neurodegeneration Research GroupLeuvenBelgium

Decades of research asserted that the oligodendroglial lineage comprises two cell types:oligodendrocyte precursor cells and ***,recent studies employing single-cell RNA sequencing techniques have uncovered novel cell states,prompting a revision of the existing *** forward,the oligodendroglial lineage should be delineated into five distinct cell states:oligodendrocyte precursor cells,committed oligodendrocyte precursor cells,newly formed oligodendrocytes,myelin-forming oligodendrocytes,and mature *** new classification system enables a deeper understanding of the oligodendroglia in both physiological and pathological *** this uniform terminology will facilitate comparison and integration of data across ***,including the consolidation of findings from various demyelinating models,is essential to better understand the pathogenesis of demyelinating ***,comparing injury models across species with varying regenerative capacities can provide insights that may lead to new therapeutic strategies to overcome remyelination ***,by standardizing terminology and synthesizing data from diverse studies across different animal models,we can enhance our understanding of myelin pathology in central nervous system disorders such as multiple sclerosis,Alzheimer's disease,and amyotrophic lateral sclerosis,all of which involve oligodendroglial and myelin dysfunction.

关键词： animal models demyelination fish mammals multiple sclerosis myelin neurodegeneration oligodendrocytes oligodendroglial lineage remyelination

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A MEASURE OF SUPPLY CHAIN COMPLEXITY INCORPORATING VIRTUAL ARCS

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Journal of Systems Science and Systems Engineering 2015年第4期24卷 486-499页

作者： julie Drzymalski Department of Industrial Engineering and Engineering Management Western New England University

Increased globalization, as well as the ability to have virtual supply chain partners, has had numerous effects on supply chains. While some of these effects are positive, making more resilient supply chains, there are also the negative effects of scale ~nd complexity, making these supply chains more challenging than ever to manage. Having a means to measure the complexity is crucial for today＇s managers to make more informed decisions. This measure must not only account for the number of arcs, but the amount of information and material carried on it, as well as incorporate the benefit that virtual arcs add to the network by increasing efficiency and reducing information, product and financial transfer costs and time. This research utilizes newer models in network clustering and complexity theory to make them applicable to supply chains and creates a new, practical approach to measuring supply chain complexity which can be easily implemented by practitioners.

关键词： Supply chain complexity clustering virtual networks

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γδ T cells,Tregs and epithelial cells interact with IL-33 in the lung

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Cellular & Molecular Immunology 2021年第4期18卷 790-791页

作者： julie Darrigues julie C.Ribot Institute de Medicina Molecular Joao Lobo Antunes Faculdade de MedicinaUniversidade de LisboaLisbonPortugal

Mucosal barriers are composed of an organized network of tightly joined cells that act as a critical first line of defense against *** their tissue hom ing properties and ability to sense environmental signals,gamma d... 详细信息

关键词： lung delta network

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Coagulation enhanced electrokinetic settling of mature fine oil sands tailings

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International Journal of Mining Science and Technology 2019年第2期29卷 199-208页

作者： Shriful Islam julie Q.Shang Department of Civil and Environmental Engineering The University of Western Ontario Department of Civil and Environmental Engineering Shahjalal University of Science and Technology

The mature fine oil sand tailings(MFT) remain as slurry in the tailings pond for long time. The dewatering and consolidation of MFT for sustainable management is an important task for the mining industry. The objective of this study is to accelerate electrokinetic settling of MFT solids in suspensions in presence of optimal coagulant. In the first phase, optimal coagulant and coagulant dosage for settling of suspension are identified, i.e., ferric chloride at 350 mg/L. It is found that the chemical treatment is not much effective; the final solid content of the sediment is only 6.48% from an initial of 5%. In the second phase,combined coagulation and electrokinetic treatment is carried out to enhance the settling effect. The direct electric current is applied in continuous and intermittent modes on MFT suspensions placed in electrokinetic cell. The results show the final solid content reaches 23.74% under the combined application of350 mg/L ferric chloride and 218.75 V/m applied voltage gradient in the continuous mode. The intermittent current mode with 40% save in power consumption produces a settled sediment having 20.84% final solid content.

关键词： Electrokinetics Electrophoresis Coagulation Settling Voltage gradient MFT

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Could serotonin play a role in abnormal brain outcomes in fetal growth restriction?

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Neural Regeneration Research 2023年第3期18卷 543-544页

作者： Kate Beecher julie A.Wixey UQ Centre for Clinical Research Faculty of MedicineThe University of QueenslandHerstonQLDAustralia

Fetal growth restriction(FGR)describes a fetus that has not grown to its expected biological potential in *** can result from maternal,fetal,or placental complications,though it is commonly caused by placental *** prolonged hypoxic environment the FGR fetus is exposed to has detrimental effects on the newborn,which extends to adverse long-term neurological outcomes in a significant proportion of FGR infants(Malhotra et al.,2019).Unfortunately,there are currently no therapies to reduce the adverse neurological outcomes in *** injury is evident in the FGR brain,and therefore understanding which neurons are lost and how they are lost will aid in the selection of treatment options for FGR.

关键词： fetal fetus insufficiency

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Understanding the timing of brain injury in fetal growth restriction:lessons from a model of spontaneous growth restriction in piglets

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Neural Regeneration Research 2023年第2期18卷 322-323页

作者： Hannah Musco julie A.Wixey UQ Centre for Clinical Research Faculty of MedicineUniversity of QueenslandQueenslandAustralia

Fetal growth restriction(FGR)is one of the most common contributors to increased risk of mortality in the fetal/neonatal period and long-term morbidity in the infant(Malhotra et al.,2019).FGR can arise from many pathophysiological processes associated with maternal,fetal,genetic,or placental compromise;however,placental insufficiency is the most common cause of *** insufficiency during pregnancy results in chronic fetal hypoxia where a lack of oxygen and nutrients supply to the developing fetus impacts normal development of the fetus.

关键词： fetal fetus insufficiency

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Promoting Older Adults' Engagement in Disaster Recovery Through Supportive Relationships, Partnerships, and Collaboration: Perspectives of Social Work Practitioners and Human Service Professionals

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International Journal of Disaster Risk Science 2024年第2期15卷 265-276页

作者： julie L.Drolet Mahed Choudhury Faculty of Social Work University of CalgaryEdmontonAB T5J 4P6Canada

Shifting demographics—that is, the growing number of older adults in Canada and internationally—and intersecting climatic risks create a complex landscape of aging in place in disaster contexts. Some older adults are vulnerable due to their underlying health conditions and limited physical mobility. Yet they also exhibit resilience in a distinct manner, owing to their wealth of knowledge, wisdom, and ability to navigate adversities. This article elucidates potential avenues for promoting the involvement of older adults in disaster recovery efforts. Our intention is to recognize and foster older adult resilience and mitigate vulnerability by drawing upon insights from the study titled “In the Aftermath of the 2016 Alberta Wildfires: The Role of Social Work Practitioners and Human Service Professionals in Long-Term Disaster Recovery.” Employing a qualitative research approach, that study recruited 51 participants for semistructured interviews and focus groups. A thematic analysis of the collected data unveiled the pivotal roles played by social workers and human service practitioners in facilitating recovery from the 2016 wildfires in the research. Notably, three overarching themes emerged concerning the promotion of older adults' involvement in disaster recovery: fostering supportive relationships, building partnerships and enhancing collaboration, and addressing ongoing challenges. These findings offer valuable insights into how social work practitioners and human service professionals can effectively facilitate the engagement of older adults in disaster recovery initiatives. This article emphasizes the significance of actively promoting the participation of older adults in disaster mitigation efforts, thereby fostering greater resilience within communities.

关键词： Alberta wildfires Canada Disaster recovery Older adults Partnerships and collaboration Social work

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Improving brain outcomes in the growth restricted newborn: treating after birth

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Neural Regeneration Research 2021年第5期16卷 978-979页

作者： julie A.Wixey Stella Tracey Bjorkman UQ Centre for Clinical Research Faculty of MedicineThe University of QueenslandHerstonQueenslandAustralia

Intrauterine growth restriction(IUGR)occurs when a baby is unable to grow normally due to receiving inadequate nutrients while developing in the *** is a leading cause of perinatal death and longterm *** fetal brain is particularly vulnerable to IUGR conditions and adverse outcomes range from learning,attention and behavioral difficulties,to cerebral *** to medical advancements,more IUGR babies now survive,resulting in an even greater burden of disability.

关键词： restricted IUGR advancement

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Overview of guide RNA design tools for CRISPR-Cas9 genome editing technology

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Frontiers in Biology 2015年第4期10卷 289-296页

作者： Lihua julie Zhu Department of Molecular Cell and Cancer Biology Program in Bioinformatics and Integrated Biology Program in Molecular MedicineUniversity of Massachusetts Medical School Worcester MA O1605 USA

CRISPR-Cas （Clustered, Regularly Interspaced, Short Palindromic Repeats - CRISPR-associated （Cas）） RNA guided endonuclease has emerged as the most effective and widely used genome editing technology, which has become the most exciting and rapidly advancing research field. Efficient genome editing by the CRISPR-Cas9 system has been demonstrated in many species, and several laboratories have established CRISPR-Cas9 as a screening tool for systematic genetic analysis, similar to sbRNA screening. At least three companies have been founded to leverage this technology for therapeutic uses. To facilitate the implementation of this technology, many software tools have been developed to identify guide RNAs that effectively target a desired genomic region. Here, I provide an overview of the technology, focusing on guide RNA design principles, available software tools and their strengths and weaknesses.

关键词： CRISPR-Cas9 genome editing gRNA design off-target analysis gRNA efficacy

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Semaphorin7A:its role in the control of serotonergic circuits and functional recovery following spinal cord injury

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Neural Regeneration Research 2022年第5期17卷 959-962页

作者： julie Fourneau Florence M.Bareyre Institute of Clinical Neuroimmunology Ludwig-Maximilians Universität MünchenMunichGermany Munich Cluster of Systems Neurology(SyNergy) MunichGermany

Serotonin is a monoamine neurotransmitter synthetized in various populations of brainstem *** the spinal cord,descending serotonergic projections regulate postural muscle tone,locomotion and rhythm and coordination of movements via the Central Pattern *** a spinal cord injury,serotonergic projections to the lumbar spinal cord,where the Central Pattern Generators are located,are interrupted resulting in devastating locomotor impairments and changes in the expression and activation of serotonin and its spinal *** molecular cues that control the precise patterning and targeting of serotonergic inputs onto Central Pattern Generator networks in healthy animals or after injury are still *** our recent research work,we have been particularly interested in Semaphorin7A,which belongs to the Semaphorins family involved in guiding growing axons and controlling plasticity of synaptic *** this review,we discuss the role of Semaphorin7A signaling as an important molecular actor that instructs the patterning of serotonin inputs to spinal Central Pattern Generator *** show that Semaphorin7A controls the wiring of descending serotonin axons in the spinal *** results reveal that mistargetting of serotonin fibers in the spinal cord is compensated in healthy uninjured Semaphorin7A deficient mice so that their gross locomotion proceeds *** also demonstrate that when the system is challenged with a spinal lesion,the pattern of post-injury serotonin expression is significantly altered in Semaphorin7A deficient mice with specific ectopic targeting of serotonin fibers in the lumbar spinal *** mechanisms in place in uninjured Semaphorin7A deficient mice are lost and injured Semaphorin7A deficient mice exhibit a worsening of their post-injury locomotor *** findings identify Semaphorin7A as a critical determinant of serotonergic circuit formation in healthy or spinal cord injured mice.

关键词： central pattern generator guidance molecule locomotion recovery rewiring semaphorin7A serotonergic patterning serotonin spinal cord injury

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