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Cortico-striatal gamma oscillations are modulated by dopamine D3 receptors in dyskinetic rats

Neural Regeneration Research 2025年第4期20卷 1164-1177页

作者： Pengfei Wang Yuewei Bi Min Li Jiazhi Chen Zhuyong Wang Huantao Wen Ming Zhou Minjie Luo Wangming Zhang neurosurgery Center Department of Pediatric NeurosurgeryGuangdong Provincial Key Laboratory on Brain Function Repair and RegenerationZhujiang HospitalSouthern Medical UniversityGuangzhouGuangdong ProvinceChina

Long-term levodopa administration can lead to the development of levodopa-induced *** oscillations are a widely recognized hallmark of abnormal neural electrical activity in levodopa-induced ***,studies have reported increased oscillation power in cases of levodopa-induced ***,little is known about how the other electrophysiological parameters of gamma oscillations are altered in levodopa-induced ***,the role of the dopamine D3 receptor,which is implicated in levodopa-induced dyskinesia,in movement disorder-related changes in neural oscillations is *** found that the cortico-striatal functional connectivity of beta oscillations was enhanced in a model of Parkinson’s ***,levodopa application enhanced cortical gamma oscillations in cortico-striatal projections and cortical gamma aperiodic components,as well as bidirectional primary motor cortex(M1)↔dorsolateral striatum gamma *** of PD128907(a selective dopamine D3 receptor agonist)induced dyskinesia and excessive gamma oscillations with a bidirectional M1↔dorsolateral striatum ***,administration of PG01037(a selective dopamine D3 receptor antagonist)attenuated dyskinesia,suppressed gamma oscillations and cortical gamma aperiodic components,and decreased gamma causality in the M1→dorsolateral striatum *** findings suggest that the dopamine D3 receptor plays a role in dyskinesia-related oscillatory activity,and that it has potential as a therapeutic target for levodopa-induced dyskinesia.

关键词： aperiodic components dopamine D3 receptor dorsolateral striatum functional connectivity gamma oscillations levodopa-induced-dyskinesia local field potentials neuromodulation Parkinson’s disease primary motor cortex

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Fecal microbiota transplantation in allergic diseases

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World Journal of Methodology 2025年第2期15卷 83-91页

作者： Ece TüsüzÖnata ÖnerÖzdemir division of pediatric Allergy and Immunology Medical FacultySakarya UniversityAdapazarı54100SakaryaTürkiye

Microorganisms such as bacteria,fungi,viruses,parasites living in the human intestine constitute the human intestinal *** refers to composi-tional and quantitative changes that negatively affect healthy gut *** recent years,with the demonstration that many diseases are associated with dysbiosis,treatment strategies targeting the correction of dysbiosis in the treat-ment of these diseases have begun to be *** microbiota trans-plantation(FMT)is the process of transferring faeces from a healthy donor to another recipient in order to restore the gut microbiota and provide a therapeutic *** studies have gained popularity after probiotic,prebiotic,symbiotic studies in the treatment of dysbiosis and related *** has emerged as a potential new therapy in the treatment of allergic diseases as it is associated with the maintenance of intestinal microbiota and immunological balance(T helper 1/T helper 2 cells)and thus suppression of allergic *** this article,the definition,application,safety and use of FMT in allergic diseases will be discussed with current data.

关键词： Microbiota Dysbiosis Faecal microbiota transplantation Allergic diseases

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Inflammasome links traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease

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Neural Regeneration Research 2025年第6期20卷 1644-1664页

作者： Gabriela Seplovich Yazan Bouchi Juan Pablo de Rivero Vaccari Jennifer C.Munoz Pareja Andrew Reisner Laura Blackwell Yehia Mechref Kevin K.Wang J.Adrian Tyndall Binu Tharakan Firas Kobeissy Department of Surgery Morehouse School of MedicineAtlantaGAUSA Department of Neurobiology Center for NeurotraumaMultiomics&Biomarkers(CNMB)Neuroscience InstituteMorehouse School of MedicineAtlantaGAUSA Department of Neurological Surgery and the Miami Project to Cure Paralysis University of Miami Miller School of MedicineMiamiFLUSA division of pediatric Critical Care Department of PediatricsUniversity of Miami Miller School of MedicineMiamiFLUSA Department of pediatrics Emory UniversityAtlantaGAUSA Department of neurosurgery Children’s Healthcare of AtlantaAtlantaGAUSA Department of Chemistry and Biochemistry Texas Tech UniversityLubbockTXUSA Morehouse School of Medicine AtlantaGAUSA

Traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease are three distinct neurological disorders that share common pathophysiological mechanisms involving neuroinflammation. One sequela of neuroinflammation includes the pathologic hyperphosphorylation of tau protein, an endogenous microtubule-associated protein that protects the integrity of neuronal cytoskeletons. Tau hyperphosphorylation results in protein misfolding and subsequent accumulation of tau tangles forming neurotoxic aggregates. These misfolded proteins are characteristic of traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease and can lead to downstream neuroinflammatory processes, including assembly and activation of the inflammasome complex. Inflammasomes refer to a family of multimeric protein units that, upon activation, release a cascade of signaling molecules resulting in caspase-induced cell death and inflammation mediated by the release of interleukin-1β cytokine. One specific inflammasome, the NOD-like receptor protein 3, has been proposed to be a key regulator of tau phosphorylation where it has been shown that prolonged NOD-like receptor protein 3 activation acts as a causal factor in pathological tau accumulation and spreading. This review begins by describing the epidemiology and pathophysiology of traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease. Next, we highlight neuroinflammation as an overriding theme and discuss the role of the NOD-like receptor protein 3 inflammasome in the formation of tau deposits and how such tauopathic entities spread throughout the brain. We then propose a novel framework linking traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease as inflammasomedependent pathologies that exist along a temporal continuum. Finally, we discuss potential therapeutic targets that may intercept this pathway and ultimately minimize long-term neurological decline.

关键词： Alzheimer's disease caspase-1 chronic traumatic encephalopathy inflammasomes neurodegeneration neuroinflammation NLRP1 NLRP3 pyroptosis tauopathy traumatic brain injury

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Mild hypothermia combined with neural stem cell transplantation for hypoxic-ischemic encephalopathy: neuroprotective effects of combined therapy

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Neural Regeneration Research 2014年第19期9卷 1745-1752页

作者： Lin Wang Feng Jiang Qifeng Li Xiaoguang He Jie Ma Department of pediatric neurosurgery Xinhua Hospital of Shanghai Jiaotong University

Neural stem cell transplantation is a useful treatment for ischemic stroke, but apoptosis often occurs in the hypoxic-ischemic environment of the brain after cell transplantation. In this study, we determined if mild hypothermia （27-28~C） can increase the survival rate of neural stem cells （1.0 x 105/~tL） transplanted into neonatal mice with hypoxic-ischemic encephalopathy. Long-term effects on neurological functioning of the mice were also examined. After mild hy- pothermia combined with neural stem cell transplantation, we observed decreased expression levels of inflammatory factor nuclear factor-kappa B and apoptotic factor caspase-3, reduced cerebral infarct volumes, increased survival rate of transplanted cells, and marked improvements in neurological function. Thus, the neuroprotective effects of mild hypothermia combined with neural stem cell transplantation are superior to those of monotherapy. Moreover, our findings suggest that the neuroprotective effects of mild hypothermia combined with neural stem cell transplantation on hypoxic-ischemic encephalopathy are achieved by anti-inflammatory and an- ti-apoptotic mechanisms.

关键词： nerve regeneration brain injury hypoxic-ischemic encephalopathy neural precursorcells hypothermia neural stem cells cell transplantation hippocampus neuron cell apoptosis astrocytes oligodendrotytes neuroprotection NSFC grants neural regeneration

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Perspective on inflammatory cytokines in open spinal dysraphism

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Neural Regeneration Research 2023年第2期18卷 329-330页

作者： Friederike Knerlich-Lukoschus Department of neurosurgery Section Pediatric NeurosurgeryUniversity Medical Center GöttingenGöttingenGermany

Myelomeningocele(MMC)is a severe form of spinal *** to the failure of neural tube closure during early embryonic development,the affected part of the spinal cord is left open like a book at the back of the affected *** malformed part of the spinal cord is not covered by its protective mesodermal and ectodermal derived ***,the exposed neural tissue(i.e.,the neural placode)is prone to injuryduring further intra-uterine development.

关键词： protective cytokines neural

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Neuroprotective potential for mitigating ischemia-reperfusion-induced damage

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Neural Regeneration Research 2025年第8期20卷 2199-2217页

作者： Zi Ye Runqing Liu Hangxing Wang Aizhen Zuo Cen Jin Nan Wang Huiqi Sun Luqian Feng Hua Yang The Clinical Medical College Guizhou Medical UniversityGuiyangGuizhou ProvinceChina division of Infectious Diseases Department of Internal MedicinePeking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina School of Medical Imaging Guizhou Medical UniversityGuiyangGuizhou ProvinceChina division of Gastroenterology First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan ProvinceChina The Second Clinical Medical College Lanzhou UniversityLanzhouGansu ProvinceChina Department of neurosurgery Affiliated Hospital of Guizhou Medical UniversityGuiyangGuizhou ProvinceChina

Reperfusion following cerebral ischemia causes both structural and functional damage to brain tissue and could aggravate a patient's condition;this phenomenon is known as cerebral ischemia-reperfusion *** studies have elucidated the neuroprotective role of the sirtuin protein family(Sirtuins)in modulating cerebral ischemia-reperfusion ***,the potential of utilizing it as a novel intervention target to influence the prognosis of cerebral ischemia-reperfusion injury requires additional *** this review,the origin and research progress of Sirtuins are summarized,suggesting the involvement of Sirtuins in diverse mechanisms that affect cerebral ischemia-reperfusion injury,including inflammation,oxidative stress,blood-brain barrier damage,apoptosis,pyroptosis,and *** therapeutic avenues related to Sirtuins that may improve the prognosis of cerebral ischemia-reperfusion injury were also investigated by modulating Sirtuins expression and affecting representative pathways,such as nuclear factor-kappa B signaling,oxidative stress mediated by adenosine monophosphate-activated protein kinase,and the forkhead box *** review also summarizes the potential of endogenous substances,such as RNA and hormones,drugs,dietary supplements,and emerging therapies that regulate Sirtuins *** review also reveals that regulating Sirtuins mitigates cerebral ischemia-reperfusion injury when combined with other risk *** Sirtuins show promise as a potential target for the treatment of cerebral ischemiareperfusion injury,most recent studies are based on rodent models with circadian rhythms that are distinct from those of humans,potentially influencing the efficacy of Sirtuinstargeting drug ***,this review provides new insights into the role of Sirtuins in the pathology and treatment of cerebral ischemia-reperfusion injury.

关键词： apoptosis autophagy blood-brain barrier dietary supplements drug hormones inflammation neuroprotection oxidative stress prognosis pyroptosis reperfusion injury risk factors RNA therapeutics

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Survival and clinical outcomes in patients with metastatic epidural spinal cord compression after spinal surgery:a prospective,multicenter,observational cohort study

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Chinese Journal of Cancer 2016年第4期35卷 157-159页

作者： Anick Nater Michael G.Fehlings Department of Surgery Division of NeurosurgeryUniversity of Toronto division of neurosurgery Toronto Western HospitalUniversity Health Network

Background:High quality studies have been challenging to undertake in patients with metastatic epidural spinal cord ***,in the article "Survival and Clinical Outcomes in Surgically Treated Patients With Metastatic Epidural Spinal Cord Compression:Results of the Prospective Multicenter AOSpine Study" recently published in the Journal of Clinical Oncology,our team provided convincing evidence that spinal surgery improves overall quality of life in patients with this potentially devastating complication of *** that metastatic spinal lesions treated with surgery have the highest mean cost among all oncological musculo-skeletal issues,it is essential to provide high quality data to optimize the therapeutic approaches and cost-effective use of health care *** body:Although the AOSpine Study provided high quality prospective data,it was primarily limited by the lack of non-operative controls and the relatively small sample *** the dearth of medical equipoise and the fundamental difference between patients deemed to be adequate surgical candidates and those who are not amenable to operative intervention,conducting a randomized controlled trial in this patient population was not felt to be ethically or medically ***,the optimal option to overcome limitations of both the lack of controls and the relatively small sample size is through collection of large prospective datasets through rigorously developed and maintained ***:With the alarming increase in the incidence of cancer in China and China's parallel growing cancer control efforts,China would offer a fantastic platform to set up a national metastatic spinal lesion *** registry would not only enhance metastatic epidural spinal cord compression translational research but also optimize patient care.

关键词： Metastatic epidural spinal cord compression Prospective study Cohort study Surgery Clinical outcomes

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A time for cocktails and inclusion

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Neural Regeneration Research 2018年第6期13卷 987-988页

作者： Shenandoah Robinson Frances J.Northington Lauren L.Jantzie division of pediatric neurosurgery Johns Hopkins University School of Medicine division of Neonatology Department of Pediatrics Johns Hopkins University School of Medicine Departments of pediatrics and Neurosciences University of New Mexico School of Medicine

Perinatal brain injury（PBI）is one of the most important causes of lifelong deficits in cognition,behavior,social interaction and motor skills,as well as *** encompasses,but is not limited to,hypoxic-ischemic encepha... 详细信息

关键词： PBI www HIE EPO A time for cocktails and inclusion

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Treatment implications of posterior fossa ependymoma subgroups

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Chinese Journal of Cancer 2016年第11期35卷 563-566页

作者： Vijay Ramaswamy Michael D.Taylor division of Haematology/Oncology Hospital for Sick Children division of neurosurgery Hospital for Sick Children

Posterior fossa ependymoma comprises two distinct molecular entities,ependymoma_posterior fossa A(EPN_PFA)and ependymoma_posterior fossa B(EPN_PFB),with differentiable gene expression *** yet,the response of the two entities to treatment is *** determine the relationship between the two molecular subgroups of posterior fossa ependymoma and treatment,we studied a cohort of 820 patients with molecularly profiled,clinically annotated posterior fossa *** found that the strongest predictor of poor outcome in patients with posterior fossa ependymoma across the entire age spectrum was molecular subgroup EPN_PFA,which was recently reported in the paper entitled "Therapeutic impact of cytoreductive surgery and irradiation of posterior fossa ependymoma in the molecular era:a retrospective multicohort analysis" in the Journal ofClinical *** with incompletely resected EPN_PFA tumors had a very poor outcome despite receiving adjuvant radiation therapy,whereas a substantial proportion of patients with EPN_PFB tumors can be cured with surgery alone.

关键词： Posterior fossa ependymoma Genomics Radiation PFA

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The “Brain Stress Timing” phenomenon and other misinterpretations of randomized clinical trial on aneurysmal subarachnoid hemorrhage

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Neural Regeneration Research 2019年第8期14卷 1364-1366页

作者： Rafael Martinez-Perez Natalia Rayo Agustin Montivero Jorge Marcelo Mura division of neurosurgery Institute of Clinical Neurosciences Universidad Austral de Chile Valdivia Chile division of Cerebrovascular and Skull Base neurosurgery Institute of Neurosurgery Dr Asenjo Santiago Chile Western University London ON Canada

Clipping and coiling are currently the two alternatives in treatment of ruptured cerebral aneurysms. In spite of some meritorious analysis, further discussion is helpful to understand the actual state of art. Retreatment and rebleeding rates clearly favors clipping, although short-term functional outcome seems to be beneficial for clipping, while this different is not such if we perform the comparison at a longer follow up. Longterm follow ups and cost analysis are mandatory to have a clear view of the current picture in treatment of subarachnoid hemorrhage. Treatment strategy should be made by a multi-disciplinary team in accredited centers with proficient experience in both techniques.

关键词： sAH subarachnoid hemorrhage coiling clipping ruptured aneurysm timing intracranial

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