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Insights from a proteomic atlas of human Alzheimer's disease brain tissue

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Neural Regeneration research 2025年第3期20卷 799-800页

作者： Tomas Kavanagh Eleanor Drummond brain and Mind centre and School of Medical Sciences University of SydneyCamperdownNSWAustralia

There is an urgent need to identify new drug targets for Alzheimer's disease(AD). While new immunotherapies show promise, clinical benefit appears low, and side effects are high. A greater understanding of the disease mechanisms driving AD is an essential factor that will facilitate the identification of new, effective drug targets.

关键词： Alzheimer clinical driving

Neuroinflammation as a therapeutic target in Huntington's disease

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Neural Regeneration research 2025年第3期20卷 817-818页

作者： Andrea Kwakowsky Thulani H.Palpagama Center for brain research and Department of Anatomy and Medical Imaging Faculty of Medical and Health SciencesUniversity of AucklandAucklandNew Zealand Pharmacology and Therapeutics School of MedicineGalway Neuroscience CentreUniversity of GalwayGalwayIreland

In 1872, George Huntington presented his essay “On Chorea” to the Meigs and Mason Academy of Medicine and, in doing so, detailed a disease that would later bear his name. Huntington's disease(HD) is a genetic, neurodegenerative disease that manifests as the loss of motor control,cognitive impairment,and mood and psychiatric changes in paents.

关键词： Huntington inflammation Medicine

Photobiomodulation:a novel approach to promote trans-differentiation of adipose-derived stem cells into neuronal-like cells

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Neural Regeneration research 2025年第2期20卷 598-608页

作者： Daniella Da Silva Madeleen Jansen van Rensburg Anine Crous Heidi Abrahamse Laser research centre Faculty of Health SciencesUniversity of JohannesburgDoornfonteinJohannesburgSouth Africa

Photobiomodulation,originally used red and near-infrared lasers,can alter cellular *** has been demonstrated that the visible spectrum at 451-540 nm does not necessarily increase cell proliferation,near-infrared light promotes adipose stem cell proliferation and affects adipose stem cell migration,which is necessary for the cells homing to the site of *** this in vitro study,we explored the potential of adipose-derived stem cells to differentiate into neurons for future translational regenerative treatments in neurodegenerative disorders and brain *** investigated the effects of various biological and chemical inducers on trans-differentiation and evaluated the impact of photobiomodulation using 825 nm near-infrared and 525 nm green laser light at 5 J/*** adipose-derived stem cells can be used in autologous grafting and photobiomodulation has been shown to have biostimulatory *** findings reveal that adipose-derived stem cells can indeed trans-differentiate into neuronal cells when exposed to inducers,with pre-induced cells exhibiting higher rates of proliferation and trans-differentiation compared with the control ***,green laser light stimulation led to notable morphological changes indicative of enhanced trans-differentiation,while near-infrared photobiomodulation notably increased the expression of neuronal *** biochemical analysis and enzyme-linked immunosorbent assays,we observed marked improvements in viability,proliferation,membrane permeability,and mitochondrial membrane potential,as well as increased protein levels of neuron-specific enolase and ciliary neurotrophic ***,our results demonstrate the efficacy of photobiomodulation in enhancing the trans-differentiation ability of adipose-derived stem cells,offering promising prospects for their use in regenerative medicine for neurodegenerative disorders and brain injuries.

关键词： differentiation inducers green photobiomodulation immortalized adipose-derived stem cell near-infrared photobiomodulation neurodegenerative disease neurogenesis photobiomodulation trans-differentiation

Decoding the nexus:branched-chain amino acids and their connection with sleep,circadian rhythms,and cardiometabolic health

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Neural Regeneration research 2025年第5期20卷 1350-1363页

作者： Hui Li Laurent Seugnet Department of Neurology Xijing HospitalXi’anShaanxi ProvinceChina centre de Recherche en Neurosciences de Lyon Integrated Physiology of the Brain Arousal Systems(WAKING)UniversitéClaude Bernard Lyon 1INSERM U1028CNRS UMR 5292BronFrance

The sleep-wake cycle stands as an integrative process essential for sustaining optimal brain function and,either directly or indirectly,overall body health,encompassing metabolic and cardiovascular *** the heightened metabolic activity of the brain,there exists a considerable demand for nutrients in comparison to other *** these,the branched-chain amino acids,comprising leucine,isoleucine,and valine,display distinctive significance,from their contribution to protein structure to their involvement in overall metabolism,especially in cerebral *** the first amino acids that are released into circulation post-food intake,branched-chain amino acids assume a pivotal role in the regulation of protein synthesis,modulating insulin secretion and the amino acid sensing pathway of target of ***-chain amino acids are key players in influencing the brain's uptake of monoamine precursors,competing for a shared *** their involvement in protein synthesis,these amino acids contribute to the metabolic cycles ofγ-aminobutyric acid and glutamate,as well as energy ***,they impact GABAergic neurons and the excitation/inhibition *** rhythmicity of branchedchain amino acids in plasma concentrations,observed over a 24-hour cycle and conserved in rodent models,is under circadian clock *** mechanisms underlying those rhythms and the physiological consequences of their disruption are not fully *** sleep,obesity,diabetes,and cardiovascular diseases can elevate branched-chain amino acid concentrations or modify their oscillatory *** mechanisms driving these effects are currently the focal point of ongoing research efforts,since normalizing branched-chain amino acid levels has the ability to alleviate the severity of these *** this context,the Drosophila model,though underutilized,holds promise in shedding new light on these *** findings indicate its po

关键词： branched-chain amino acids cardiovascular health circadian clock drosophila insulin metabolism sleep γ-aminobutyric acid

brain age estimation:premise,promise,and problems

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Neural Regeneration research 2025年第8期20卷 2313-2314页

作者： Jarrad Perron Ji Hyun Ko Graduate Program in Biomedical Engineering Price Faculty of EngineeringUniversity of ManitobaWinnipegMBCanada PrairieNeuro research centre Kleysen Institute for Advanced MedicineHealth Sciences CentreWinnipegMBCanada Department of Human Anatomy and Cell Science Rady Faculty of Health SciencesUniversity of ManitobaWinnipegMBCanada

Premise:The com bined effects of modern healthcare practices which prolong lifespan and declining birthrates have created unprecedented changes in age demographics worldwide that are especially pronounced in Japan,South Korea,Europe,and North *** old age is the most significant predictor of dementia,global healthcare systems must rise to the challenge of providing care for those with neurodegenerative disorders.

关键词： estimation providing birth

Stepping up after spinal cord injury:negotiating an obstacle during walking

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Neural Regeneration research 2025年第7期20卷 1919-1929页

作者： Alain Frigon Charly G.Lecomte Department of Pharmacology-Physiology Faculty of Medicine and Health SciencesUniversitéde SherbrookeCentre de recherche du Centre Hospitalier Universitaire de SherbrookeSherbrookeQCCanada

Every day walking consists of frequent voluntary modifications in the gait pattern to negotiate *** spinal cord injury,stepping over an obstacle becomes *** over an obstacle requires sensorimotor transformations in several structures of the brain,including the parietal cortex,premotor cortex,and motor *** information and planning are transformed into motor commands,which are sent from the motor cortex to spinal neuronal circuits to alter limb trajectory,coordinate the limbs,and maintain *** spinal cord injury,bidirectional communication between the brain and spinal cord is disrupted and animals,including humans,fail to voluntarily modify limb trajectory to step over an ***,in this review,we discuss the neuromechanical control of stepping over an obstacle,why it fails after spinal cord injury,and how it recovers to a certain extent.

关键词： biomechanics locomotion neurophysiology obstacle negotiation spinal cord injury

Neurocognitive Graphs of First-Episode Schizophrenia and Major Depression Based on Cognitive Features

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Neuroscience Bulletin 2018年第2期34卷 312-320页

作者： Sugai Liang Roberto Vega Xiangzhen Kong Wei Deng Qiang Wang Xiaohong Ma Mingli Li Xun Hu Andrew J.Greenshaw Russell Greiner Tao Li Mental Health centre West China Hospital Sichuan University huaxi brain research centre West China Hospital Sichuan University Department of Computing Science University of Alberta Language and Genetics Department Max Planck Institute for Psycholinguistics huaxi Biobank West China Hospital Sichuan University Department of Psychiatry University of Alberta

Neurocognitive deficits are frequently observed in patients with schizophrenia and major depressive disorder(MDD). The relations between cognitive features may be represented by neurocognitive graphs based on cognitive features, modeled as Gaussian Markov random fields. However, it is unclear whether it is possible to differentiate between phenotypic patterns associated with the differential diagnosis of schizophrenia and depression using this neurocognitive graph approach. In this study, we enrolled 215 first-episode patients with schizophrenia(FES), 125 with MDD, and 237 demographically-matched healthy controls(HCs). The cognitive performance of all participants was evaluated using a battery of neurocognitive tests. The graphical LASSO model was trained with aone-vs-one scenario to learn the conditional independent structure of neurocognitive features of each group. Participants in the holdout dataset were classified into different groups with the highest likelihood. A partial correlation matrix was transformed from the graphical model to further explore the neurocognitive graph for each group. The classification approach identified the diagnostic class for individuals with an average accuracy of 73.41% for FES vs HC, 67.07% for MDD vs HC, and 59.48% for FES vs MDD. Both of the neurocognitive graphs for FES and MDD had more connections and higher node centrality than those for HC. The neurocognitive graph for FES was less sparse and had more connections than that for ***, neurocognitive graphs based on cognitive features are promising for describing endophenotypes that may discriminate schizophrenia from depression.

关键词： Schizophrenia Major depressive disorder Neurocognition Neurocognitive graph Graphical LASSO

The First Non-Chordates QRFP-Like Peptide Receptor Gene in the Cephalopod Sepiella japonica:Identification,Characterization and Possible Role in Food Intake

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Journal of Ocean University of China 2025年第1期24卷 195-208页

作者： LI Shuang HAO Qing QIU Jiayin ZHOU Xu CHI Changfeng ZHENG Libing National and Provincial Joint Engineering research centre for Marine Germplasm Resources Exploration and Utilization School of Marine Science and TechnologyZhejiang Ocean UniversityZhoushan 316022China School of Food Science and Technology Jiangnan UniversityWuxi 214122China

The novel identified receptor,GPR103,now renamed QRFPR(also referred to as SP9155 or AQ27),is the endogenous receptor for the neuropeptide QRFP(also referred to as 26RFa).The distribution pattern,structure,and biological actions,such as feeding behavior,bone formation,and hormone secretion of QRFPR have been largely described in chordate species,while no research on QRFPR has been reported in non-chordate ***,the first non-chordates QRFP-like peptide receptor gene in the cephalopod Sepiella japonica(Sj_QRFPLR)was identified and *** from multiple alignments,phylogenetic analysis,and in vitro subcellular localization analysis indicated that Sj_QRFPLR is a class A GPCR and it belongs to the QRFPR ***,QRFPR is likely to be structurally conserved in cephalopod *** situ hybridization and RT-PCR data revealed a widespread distribution pattern of Sj_QRFPLR in multiple function lobes of the female brain and numerous peripheral tissues in both male and female ***,a food deprivation and refeeding experiment showed that Sj_QRFPLR is likely to stimulate food intake in ***,a possible link between Sj_QRFPLR and immune response was briefly detected in *** results will contribute to our understanding of QRFPR in the cephalopod as well as the peptidergic regulation of the QRFP/QRFPR system in non-chordates.

关键词： neuropeptide 26RFa/QRFP QRFP-like peptide receptor cuttlefish Sepiella japonica

The role of postsynaptic density proteins in neural degeneration and regeneration

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Neural Regeneration research 2016年第6期11卷 906-907页

作者： Yukti Vyas Johanna M.Montgomery Department of Physiology and centre for brain research University of Auckland

The structure,function and plasticity of excitatory glutamatergic synapses in the brain are significantly altered by neurodevelopmental and neurodegenerative disorders（Grabrucker et al.,2011;Fourie et al.,2014;Musard... 详细信息

关键词： degeneration regeneration synaptic sensory altered glutamate excitatory plasticity neurological NMDA