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Non Hodgkin Lymphomas (NHL) in the pediatric Oncology Unit of the Gabriel TouréTeaching Hospital, Bamako Mali

Open Journal of pediatrics 2019年第4期9卷 309-316页

作者： B.togo p.togo O.Kone F.Traore A.K.Doumbia A.Toure A.A.Diakite O.Coulibaly H.Diall1 B.Maiga K.Sacko A.Dembele Y.A.Coulibaly D.Konate M.E.Cisse A.A.Ba F.L.Diakite L.N.Sidib A.Doumbia H.Konare L.B.Maiga C.B.Traore Department of pediatrics Gabriel TouréTeaching HospitalBamakoMali National Institute of Research in public health BamakoMali pathology Service of point G Teaching Hospital BamakoMali

Background :Non-Hodgkin lymphomas are the first childhood cancer in sub-Saharan Africa. Objective: The purpose of this study was to assess non-Hodgkin lymphomas cases in our setting. Methodology: A retrospective and descriptive study carried out in the pediatric oncology unit of the Gabriel Touré Teaching Hospital Bamako over 10 years from 1st January 2005 to 31th December 2015. Results: We exploited 274 (21.6%) cases of Non-Hodgkin Lymphoma out of 1295 cancer cases registered, the age group 6 - 10 years was the most represented (46.4%);the male sex was predominant with a sex-ratio of 1.8;digestive signs were the most common signs of discovery (44.2%) followed by maxillary swelling (42.7%);the majority of patients (52.9%) consulted between 1 and 3 months after the onset of signs;the malnutrition rate was 39.8%, of which 24.1% were severe cases and 15.7% were moderate rate. Abdominal localization was the most common (43.1%) followed by maxillofacial localization (33.9%). Almost all were Burkitt type cytology (92.7%), the majority (73.4%) were in Murphy stage III. Almost all (96%) had received chemotherapy and the modified LMB 01 protocol was widely used (62.4%). The majority of patients (85%) were chemosensitive at day 7 or after the third cyclophosphamide injection but at the end of induction only 31% were in complete remission. Gastrointestinal toxicity was the most common (37.13%) followed by hematologic toxicity 35.09 %;9.12 % of patients were lost of follow-up and 22.26% died. Tumor progression was the most common cause of death (60.66%) followed by infection (21.31%). Conclusion: In light of these findings, the late diagnosis and the poor management of NHL, as well as the limited ability to primarily treat metabolic complications, explain the high case-fatality rate, hence the important role of early diagnosis and treatment multidisciplinary.

关键词： Childhood Lymphomas Gabriel TOURE Teaching Hospital Mali

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Epidemio-Clinical Characteristics of perinatal Anoxia and Immediate Outcome of patients at Hospital Teaching Gabriel Toure of Bamako

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Open Journal of pediatrics 2019年第4期9卷 326-336页

作者： L.N.Sidibe H.Diall1,D.Konate O.Coulibaly F.L.Diakite K.Sacko F.Traore O.H.Diallo L.Maiga I.Ahamadou I.Traore I.Kone1,B.Maiga p.togo A.K.Doumbia A.Toure E.M.Cisse A.Dembele Y.A.Coulibaly A.Doumbie A.Konare1,A.A.Diakite B.togo M.Sylla F.DickoTraore Department of pediatrics CHU Gabriel ToureBamakoMali Faculty of Medicine and Odonto-Stomatology of Mali BamakoMali

Introduction: Neonatal asphyxia (NA) is one of the most likely causes of neuro-developmental abnormalities in children. In Mali it is responsible for half of the early deaths and the third of neonatal mortality. Updated data would help understand and improve intervention strategies to reduce mortality. Objective: It is the study of epidemiological and clinical characteristics, the immediate outcome and the factors associated with newborn (NB) mortality with NA. Material and Methods: This was a prospective cross-sectional study from June 27th to September 3rd 2016 about the NBs admitted for NA in the Hospital Teaching Gabriel Touré of Bamako. The clinical and biological data including the prognosis were collected from the health records of women, the liaison sheets and the medical file. The analysis was done using the software Epi info version 3.5.1. Results: 76 NBs were included which represented 23.45% of hospitalizations. The majority (89.5%, n = 68) were admitted to less than 24 hours of life for NA grade III according to the Sarnat classification (43.4%, n = 33). The average age of mothers was 24.17 ± 5.5 years. Almost half (41.3%, n = 31) were primigravida. The most common obstetrical event was dystocia (64.5%, n = 49). The prognosis was poor in grade III anoxia in our patients (56%) of deaths. Conclusion: The périnatal anoxia (pA) is a major health issue in Mali because of its frequency and severity. Monitoring of pregnancies, delivery assisted by skillful and qualified personnel, mastery of neonatal resuscitation techniques are good means of prevention.

关键词： Anoxia Newborn Epidemiology Clinical Outcome

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Unlocking hypoglycemia–associated brain microvascular dysfunction:critical insights from proteomic analysis

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Neural Regeneration Research 2025年第6期20卷 1707-1708页

作者： Siva S.V.p.Sakamuri Anil Sakamuri Department of Chemistry Auburn University at MontgomeryMontgomeryALUSA Vascular Biology Center and Department of Medicine Medical College of Georgia at Augusta UniversityAugustaGAUSA

Hypoglycemia-a critical complication linked to worsened brain function in diabetic subjects:Hypoglycemia is characterized by a decline in circulatory glucose levels below sta nda rd physiological *** hypoglycemia,classified as level 1 hypoglycemia,is defined by blood glucose levels below 70 mg/dL and can be effectively addressed through carbohydrate *** hypoglycemia,denoted by blood glucose levels less than 54 mg/dL,poses a life-threatening risk if left *** with type 1 and type 2 diabetes undergoing insulin treatment are particularly susceptible to hypoglycemia due to impaired counterregulatory mechanisms.

关键词： impaired intake critical

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Small molecule inhibitor DDQ-treated hippocampal neuronal cells show improved neurite outgrowth and synaptic branching

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Neural Regeneration Research 2025年第9期20卷 2624-2632页

作者： Jangampalli Adi pradeepkiran priyanka Rawat Arubala p.Reddy Erika Orlov pHemachandra Reddy Department of Internal Medicine Texas Tech University Health Sciences CenterLubbockTXUSA Department of Nutritional Sciences College of Human SciencesTexas Tech UniversityLubbockTXUSA Department of pharmacology&Neuroscience Texas Tech University Health Sciences CenterLubbockTXUSA Department of Neurology Texas Tech University Health Sciences CenterLubbockTXUSA Department of Speech Language and Hearing SciencesTexas Tech University Health Sciences CenterLubbockTXUSA Department of public Health Texas Tech University Health Sciences CenterLubbockTXUSA

The process of neurite outgrowth and branching is a crucial aspect of neuronal development and *** and dendrites,sometimes referred to as neurites,are extensions of a neuron's cellular body that are used to start *** we explored the effects of diethyl(3,4-dihydroxyphenethylamino)(quinolin-4-yl)methylphosphonate(DDQ)on neurite developmental features in HT22 neuronal *** this work,we examined the protective effects of DDQ on neuronal processes and synaptic outgrowth in differentiated HT22cells expressing mutant Tau(mTau)*** investigate DDQ chara cteristics,cell viability,biochemical,molecular,western blotting,and immunocytochemistry were *** outgrowth is evaluated through the segmentation and measurement of neural *** neural processes can be seen and measured with a fluorescence microscope by manually tracing and measuring the length of the neurite *** neuronal processes can be observed and quantified with a fluorescent microscope by manually tracing and measuring the length of the neuronal ***-treated mTau-HT22 cells(HT22 cells transfected with cDNA mutant Tau)were seen to display increased levels of synaptophysin,MAp-2,andβ-***,we confirmed and noted reduced levels of both total and p-Tau,as well as elevated levels of microtubule-associated protein 2,β-tubulin,synaptophysin,vesicular acetylcholine transporter,and the mitochondrial biogenesis protein-pe roxisome prolife rator-activated receptor-gamma coactivator-1α.In mTa u-expressed HT22 neurons,we observed DDQ enhanced the neurite characteristics and improved neurite development through increased synaptic *** findings conclude that mTa u-HT22(Alzheimer's disease)cells treated with DDQ have functional neurite developmental chara *** key finding is that,in mTa u-HT22 cells,DDQ preserves neuronal structure and may even enhance nerve development function with mTa u inhibition.

关键词： diethyl(3 4-dihydroxyphenethylamino)(quinolin-4-yl)methylphosphonate(DDQ) hippocampal neuronal cells HT22 neurite outgrowth neuronal development small molecule

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Adding new dimension to non-directed C（sp3）–H functionalizations

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Science China Chemistry 2025年

作者： Konstantin p.Bryliakov Laboratory of Selective Oxidation Catalysis N.D.Zelinsky Institute of Organic Chemistry RAS

Aliphatic C–H groups are among the most abundant yet least reactive functional groups in organic molecules. Nature has evolved metalloenzymes such as those of the cytochrome p450 superfamily that efficiently activate individual tertiary（3） and secondary （2） C（sp3）–H bonds in complex molecules with the highest level of regio-and stereoselectivity [1], thus encouraging studies aimed at engineering artificial metalloenzymes for synthetic applications [2].

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From single to combinatorial therapies in spinal cord injuries for structural and functional restoration

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Neural Regeneration Research 2025年第3期20卷 660-670页

作者： Ernesto Doncel-pérez Gabriel Guízar-Sahagún Israel Grijalva-Otero Hospital Nacional de parapléjicos de Toledo Servicio de Salud de Castilla La Mancha(SESCAM)ToledoSpain Medical Research Unit for Neurological Diseases UMAE Hospital de EspecialidadesCentro Médico Nacional Siglo XXIIMSSCiudad de MéxicoMéxico

Spinal cord injury results in paralysis, sensory disturbances, sphincter dysfunction, and multiple systemic secondary conditions, most arising from autonomic dysregulation. All this produces profound negative psychosocial implications for affected people, their families, and their communities;the financial costs can be challenging for their families and health institutions. Treatments aimed at restoring the spinal cord after spinal cord injury, which have been tested in animal models or clinical trials, generally seek to counteract one or more of the secondary mechanisms of injury to limit the extent of the initial damage. Most published works on structural/functional restoration in acute and chronic spinal cord injury stages use a single type of treatment: a drug or trophic factor, transplant of a cell type, and implantation of a biomaterial. Despite the significant benefits reported in animal models, when translating these successful therapeutic strategies to humans, the result in clinical trials has been considered of little relevance because the improvement, when present, is usually insufficient. Until now, most studies designed to promote neuroprotection or regeneration at different stages after spinal cord injury have used single treatments. Considering the occurrence of various secondary mechanisms of injury in the acute and sub-acute phases of spinal cord injury, it is reasonable to speculate that more than one therapeutic agent could be required to promote structural and functional restoration of the damaged spinal cord. Treatments that combine several therapeutic agents, targeting different mechanisms of injury, which, when used as a single therapy, have shown some benefits, allow us to assume that they will have synergistic beneficial effects. Thus, this narrative review article aims to summarize current trends in the use of strategies that combine therapeutic agents administered simultaneously or sequentially, seeking structural and functional restoratio

关键词： neural regeneration neuroprotection spinal cord injury repair spinal cord injury treatments structural restoration of spinal cord injury

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Spastin and alsin protein interactome analyses begin to reveal key canonical pathways and suggest novel druggable targets

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Neural Regeneration Research 2025年第3期20卷 725-739页

作者： Benjamin R.Helmold Angela Ahrens Zachary Fitzgerald p.Hande Ozdinler Department of Neurology Feinberg School of MedicineNorthwestern UniversityChicagoILUSA Center for Molecular Innovation and Drug Discovery Center for Developmental TherapeuticsChemistry of Life Processes InstituteNorthwestern UniversityEvanstonILUSA Mesulam Center for Cognitive Neurology and Alzheimer’s Disease Feinberg School of MedicineNorthwestern UniversityChicagoILUSA Feinberg School of Medicine Les Turner ALS Center at Northwestern UniversityChicagoILUSA

Developing effective and long-term treatment strategies for rare and complex neurodegenerative diseases is challenging. One of the major roadblocks is the extensive heterogeneity among patients. This hinders understanding the underlying disease-causing mechanisms and building solutions that have implications for a broad spectrum of patients. One potential solution is to develop personalized medicine approaches based on strategies that target the most prevalent cellular events that are perturbed in patients. Especially in patients with a known genetic mutation, it may be possible to understand how these mutations contribute to problems that lead to neurodegeneration. protein–protein interaction analyses offer great advantages for revealing how proteins interact, which cellular events are primarily involved in these interactions, and how they become affected when key genes are mutated in patients. This line of investigation also suggests novel druggable targets for patients with different mutations. Here, we focus on alsin and spastin, two proteins that are identified as “causative” for amyotrophic lateral sclerosis and hereditary spastic paraplegia, respectively, when mutated. Our review analyzes the protein interactome for alsin and spastin, the canonical pathways that are primarily important for each protein domain, as well as compounds that are either Food and Drug Administration–approved or are in active clinical trials concerning the affected cellular pathways. This line of research begins to pave the way for personalized medicine approaches that are desperately needed for rare neurodegenerative diseases that are complex and heterogeneous.

关键词： ALS2 alsin amyotrophic lateral sclerosis hereditary spastic paraplegia neurodegenerative diseases personalized medicine precision medicine protein interactome protein-protein interactions SpAST spastin

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Impacts of pI3K/protein kinase B pathway activation in reactive astrocytes: from detrimental effects to protective functions

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Neural Regeneration Research 2025年第4期20卷 1031-1041页

作者： Ramón pérez-Núñez María Fernanda González Ana María Avalos Lisette Leyton Cellular Communication Laboratory Programa de Biología Celular y MolecularCenter for Studies on ExerciseMetabolism and Cancer(CEMC)Instituto de Ciencias Biomédicas(ICBM)Facultad de MedicinaUniversidad de ChileSantiagoChile Advanced Center for Chronic Diseases(ACCDiS) Faculty of Chemical and Pharmaceutical Sciences&Faculty of MedicineUniversidad de ChileSantiagoChile Instituto de Ciencias Biomédicas Facultad de Ciencias de la SaludUniversidad Autónoma de ChileSantiagoChile

Astrocytes are the most abundant type of glial cell in the central nervous *** injury and inflammation,astrocytes become reactive and undergo morphological and functional *** on their phenotypic classification as A1 or A2,reactive astrocytes contribute to both neurotoxic and neuroprotective responses,***,this binary classification does not fully capture the diversity of astrocyte responses observed across different diseases and *** analysis has revealed that reactive astrocytes have a complex landscape of gene expression profiles,which emphasizes the heterogeneous nature of their *** actively participate in regulating central nervous system inflammation by interacting with microglia and other cell types,releasing cytokines,and influencing the immune *** phosphoinositide 3-kinase(pI3K)/protein kinase B(AKT)signaling pathway is a central player in astrocyte reactivity and impacts various aspects of astrocyte behavior,as evidenced by in silico,in vitro,and in vivo *** astrocytes,inflammatory cues trigger a cascade of molecular events,where nuclear factor-κB serves as a central mediator of the pro-inflammatory ***,we review the heterogeneity of reactive astrocytes and the molecular mechanisms underlying their *** highlight the involvement of various signaling pathways that regulate astrocyte reactivity,including the pI3K/AKT/mammalian target of rapamycin(mTOR),αvβ3 integrin/pI3K/AKT/connexin 43,and Notch/pI3K/AKT *** targeting the inactivation of the pI3K/AKT cellular signaling pathway to control reactive astrocytes and prevent central nervous system damage,evidence suggests that activating this pathway could also yield beneficial *** dual function of the pI3K/AKT pathway underscores its complexity in astrocyte reactivity and brain function *** review emphasizes the importance of employing astrocyte-exclusive models to underst

关键词： inflammation integrins neuroprotective neurotoxic phosphatidylinositol 3-kinase reactive astrocytes signal transduction Thy-1(CD90)

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Learning Data Correction for Myoelectric Hand Based on“Survival of the Fittest”

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Cyborg and Bionic Systems 2021年第1期2021卷 234-245页

作者： Yusuke Yamanoi Shunta togo Yinlai Jiang Hiroshi Yokoi Faculty of Informatics and Engineering The University of Electro-CommunicationsTokyoJapan Center for Neuroscience and Biomedical Engineering The University of Electro-CommunicationsTokyoJapan Beijing Advanced Innovation Center for Intelligent Robots and Systems Beijing Institute of TechnologyChina

In recent years,myoelectric hands have become multi-degree-of-freedom(DOF)devices,which are controlled via machine learning ***,currently,learning data for myoelectric hands are gathered manually and thus tend to be of low ***,in the case of infants,gathering accurate learning data is nearly impossible because of the difficulty of communicating with ***,a method that automatically corrects errors in the learning data is *** hands are wearable robots and thus have volumetric and weight constraints that make it infeasible to store large amounts of data or apply complex processing *** with general machine learning methods such as image processing,those for myoelectric hands have limitations on the data storage,although the amount of data to be processed is quite *** we can use this huge amount of processing data to correct the learning data without storing the processing data,the machine learning performance is expected to *** then propose a method for correcting the learning data through utilisation of the signals acquired during the use of the myoelectric *** proposed method is inspired by“survival of the fittest.”The effectiveness of the method was verified through offline *** method reduced the amount of learning data and learning time by approximately a factor of 10 while maintaining classification *** classification rates improved for one participant but slightly deteriorated on average among all *** solve this problem,verifying the method via interactive learning will be necessary in the future.

关键词： gathering apply hands

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Intermittent fasting-a double edged sword for atherosclerosis

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Life Metabolism 2024年第3期3卷 9-11页

作者： Jacques togo Hoon-Ki Sung Translational Medicine program The Hospital for Sick ChildrenTorontoOntario M5G 0A4Canada Department of Laboratory Medicine and pathobiology University of TorontoTorontoOntario M5S 1A8Canada

The impact of alternate-day fasting(ADF)on atherosclerosis remains poorly understood,particularly in high-risk popula*** a recent paper published in Life Metabolism,Deng et *** that ADF exacerbated both early and advanced atherosclerotic lesion development in Apoe^(-/-)mice through suppression of hepatic activating transcription factor 3(ATF3)and consequent dysregulation of cholesterol metabolism.

关键词： fasting atherosclerosis

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