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Role of pituitary adenylate cyclase-activating polypeptide in peripheral nerve regeneration:a cellular and molecular perspective

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Neural Regeneration Research 2024年第7期19卷 1429-1430页

作者： Grazia Maugeri Velia D’Agata Section of Anatomy Histology and Movement SciencesDepartment of Biomedical and Biotechnological SciencesUniversity of CataniaCataniaItaly

Neuro regeneration is a very complex phenomenon characterized by the generation of new neurons and synapses,involving connections between adjacent cells and axonal *** supplies additional longterm resources to replace... 详细信息

关键词： replace functional regeneration

The role of Down syndrome cell adhesion molecule in Down syndrome

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Medical Review 2024年第1期4卷 31-41页

作者： Ty Hergenreder Tao Yang Bing Ye Life Sciences Institute and department of cell and Developmental biology University of MichiganAnn ArborMIUSA Life Sciences Institute and department of cell and Developmental biology University of Michigan210 Washtenaw AvenueRoom 5403Ann ArborMI48109USA

Down syndrome(DS)is caused by the presence of an extra copy of the entire or a portion of human chromosome 21(HSA21).This genomic alteration leads to elevated expression of numerous HSA21 genes,resulting in a variety of health issues in individuals with *** the genes located in the DS“critical region”of HSA21,Down syndrome cell adhesion molecule(DSCAM)plays an important role in neuronal *** is a growing body of evidence underscoring DSCAM’s involvement in various DS-related *** review aims to provide a concise overview of the established functions of DSCAM,with a particular focus on its implications in *** delve into the roles that DSCAM plays in DS-associated *** the concluding section of this review,we explore prospective avenues for future research to further unravel DSCAM’s role in DS and opportunities for therapeutic treatments.

关键词： Down syndrome DSCAM neuron axon GABAergic synapse

TRAIL and Celastrol Combinational Treatment Suppresses Proliferation, Migration, and Invasion of Human Glioblastoma cells via Targeting Wnt/β-catenin Signaling Pathway

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Chinese Journal of Integrative Medicine 2024年第4期30卷 322-329页

作者： QIN Jing-jing NIU Meng-da CHA Zhe GENG Qing-hua LI Yu-lin REN Chun-guang David P.Molloy YU Hua-rong Research Center of Neuroscience School of Basic Medical SciencesChongqing Medical UniversityChongqing(400016)China Laboratory of Developmental biology Department of Cell Biology and GeneticsSchool of Basic Medical SciencesChongqing Medical UniversityChongqing(400016)China department of Biochemistry and Molecular biology School of Basic Medical SciencesChongqing Medical UniversityChongqing(400016)China

Objective To investigate the mechanistic basis for the anti-proliferation and anti-invasion effect of tumor necrosis factor-related apoptosis-induced ligand(TRAIL)and celastrol combination treatment(TCCT)in glioblastoma *** cell counting kit-8 was used to detect the effects of different concentrations of celastrol(0-16µmol/L)and TRAIL(0-500 ng/mL)on the cell viability of glioblastoma cells.U87 cells were randomly divided into 4 groups,namely control,TRAIL(TRAIL 100 ng/mL),Cel(celastrol 0.5µmol/L)and TCCT(TRAIL 100 ng/mL+celastrol 0.5µmol/L).cell proliferation,migration,and invasion were detected by colony formation,wound healing,and Transwell assays,*** reverse transcription polymerase chain reaction and Western blotting were performed to assess the levels of epithelial-mesenchymal transition(EMT)markers(zona occludens,N-cadherin,vimentin,zinc finger E-box-binding homeobox,Slug,and β-catenin).Wnt pathway was activated by lithium chloride(LiCl,20 mol/L)and the mechanism for action of TCCT was *** Celastrol and TRAIL synergistically inhibited the proliferation,migration,invasion,and EMT of U87 cells(Pcells(Pcell migration,invasion,and EMT,potentially through inhibition of Wnt/β-catenin *** underlies a novel mechanism of action for TCCT as an effective therapy for glioblastoma.

关键词： celastrol Chinese medicine tumor necrosis factor-related apoptosis-induced ligand glioblastoma β-catenin Tripterygium wilfordii

CD9 role in proliferation, rejuvenation, and therapeutic applications

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Genes & Diseases 2024年第3期11卷 95-97页

作者： Sai Priyanka Kodam Neda Baghban Mujib Ullah Institutefor Immunityand Transplantation Stem Cell Biology and Regenerative MedicineSchool of MedicineMolecular Medicine Department of MedicineStanford UniversityPaloAltoCA94304USA

The CD9 gene,also known as the Tspan29 gene,codes for a protein called CD9,which is a member of the tetraspanin family of transmembrane proteins.^(1) The CD9 protein is involved in various cellular processes,including cell proliferation,differentiation,adhesion,and migration.^(1,2) CD9 has also been found to play a role in the regulation of stem cell proliferation and differentiation.

关键词： migration. therapeutic CD9

Recent progress in hair follicle stem cell markers and their regulatory roles

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World Journal of Stem cells 2024年第2期16卷 126-136页

作者： Yi-Zhan Xing Hai-Ying Guo Fei Xiang Yu-Hong Li department of cell biology Army Medical UniversityChongqing 400038China Institute of Burn Research Southwest HospitalArmy Medical UniversityChongqing 400038China

Hair follicle stem cells(HFSCs)in the bulge are a multipotent adult stem cell *** can periodically give rise to new HFs and even regenerate the epidermis and sebaceous glands during wound *** increasing number of biomarkers have been used to isolate,label,and trace HFSCs in recent *** more detailed data from single-cell transcriptomics technology,we mainly focus on the important HFSC molecular markers and their regulatory roles in this review.

关键词： Hair follicle stem cells Bulge Secondary hair germ Marker Single-cell RNA-sequencing

Connecting cellular mechanisms and extracellular vesicle cargo in traumatic brain injury

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Neural Regeneration Research 2024年第10期19卷 2119-2131页

作者： Nikita Ollen-Bittle Austyn D.Roseborough Wenxuan Wang Jeng-liang D.Wu Shawn N.Whitehead department of Anatomy and cell biology Western UniversityLondonONCanada Schulich School of Medicine and Dentistry Western UniversityLondonONCanada Deparment of Clinical Neurological Sciences Western UniversityLondonONCanada

Traumatic brain injury is followed by a cascade of dynamic and complex events occurring at the cellular level. These events include: diffuse axonal injury, neuronal cell death, blood-brain barrier break down, glial activation and neuroinflammation, edema, ischemia, vascular injury, energy failure, and peripheral immune cell infiltration. The timing of these events post injury has been linked to injury severity and functional outcome. Extracellular vesicles are membrane bound secretory vesicles that contain markers and cargo pertaining to their cell of origin and can cross the blood-brain barrier. These qualities make extracellular vesicles intriguing candidates for a liquid biopsy into the pathophysiologic changes occurring at the cellular level post traumatic brain injury. Herein, we review the most commonly reported cargo changes in extracellular vesicles from clinical traumatic brain injury samples. We then use knowledge from animal and in vitro models to help infer what these changes may indicate regrading cellular responses post traumatic brain injury. Future research should prioritize labeling extracellular vesicles with markers for distinct cell types across a range of timepoints post traumatic brain injury.

关键词： axonal injury biomarkers blood-brain barrier chronic traumatic encephalopathy extracellular vesicles glial activation neuroinflammation traumatic brain injury

Cancer-associated fibroblasts express CD1d and activate invariant natural killer T cells under cellular stress

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cellular & Molecular Immunology 2024年第1期21卷 91-94页

作者： Shengduo Pei Jonas Sjölund Yueyun Pan Kristian Pietras Mikael C.I.Karlsson department of Microbiology Tumor and Cell BiologyKarolinska InstitutetStockholmSweden Division of Translational Cancer Research Department of Laboratory MedicineLund University Cancer CentreLund UniversityLundSweden

Invariant natural killer T(iNKT)cells are part of the family of unconventional T cells,and they recognize glycolipid antigens presented on the MHC class I like molecule CD1^([1]).In humans there are five CD1 molecules named CD1a to CD1e,whereas mice use only CD1d for lipid ***,iNKT cells can elicit both cytotoxicity similarly to conventional CD8 T cells and secrete cytokines that influence the adaptive immune response including providing direct T cell help to B cells^([2]).In the context of tumors,they can use both release of granzyme B and use Fas-mediated mechanisms for killing of tumor *** iNKT cells use a restricted TCR repertoire and CD1 molecules are non-heterogenous the risk of graft vs host disease is limited and thus these T cells have been an attractive option for off the shelf immunotherapy to treat cancer^([3]).

关键词： killer CD1d Cancer

Levisticum officinale extract protects against CCl4-induced hepatotoxicity through anti-inflammatory,anti-fibrotic,and antioxidant properties in rats

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Asian Pacific Journal of Tropical Biomedicine 2024年第8期14卷 331-340页

作者： Nahid Ghaedi Iran Pouraboli Mansour Mirtadzadini Mohammad-mehdi Moeini-aghtaie department of biology Faculty of SciencesShahid Bahonar University of KermanKermanIran department of Pathology Pathology and Stem Cell Research CenterAfzalipour Medical FacultyKerman University of Medical SciencesKermanIran

Objective:To investigate the hepatoprotective effects of Levisticum officinale extract on CCl4-induced ***:Different doses of Levisticum officinale extract were given orally to rats for 10 days,then rats received a single dose of CCl4(2.5 mL/kg,50%v/v in liquid paraffin).Biochemical and histopathological assays were performed to assess the effects of the extract on liver function and ***,antioxidant and oxidative markers as well as inflammatory and fibrotic indicators were ***:Pretreatment with Levisticum officinale extract significantly mitigated CCl4-induced damage to liver structure,improved serum levels of alanine aminotransferase,aspartate aminotransferase,alkaline phosphatase,urea,total bilirubin,and total protein,enhanced glutathione content and superoxide dismutase and catalase activities in the liver,as well as decreased plasma and hepatic malondialdehyde *** results demonstrated that the extract reduced Ki-67 andα-SMA expression and Masson’s trichrome staining revealed decreased liver collagen in rats treated with Levisticum officinale ***,Levisticum officinale extract markedly decreased the gene expressions of TNF-α,IL-6,TGF-β1,MCP-1,and ***:Levisticum officinale extract exerts hepatoprotective effects on CCl4-induced hepatotoxicity through antioxidant,anti-inflammatory,and anti-fibrotic activities.

关键词： Levisticum officinale CCl4 Inflammation Liver toxicity Antioxidant

Autophagy in neural stem cells and glia for brain health and diseases

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Neural Regeneration Research 2024年第4期19卷 729-736页

作者： Aarti Nagayach Chenran Wang department of Cancer biology University of Cincinnati College of Medicine

Autophagy is a multifaceted cellular process that not only maintains the homeostatic and adaptive responses of the brain but is also dynamically involved in the regulation of neural cell generation,maturation,and *** facilities the utilization of energy and the microenvironment for developing neural stem *** arbitrates structural and functional remodeling during the cell differentiation *** also plays an indispensable role in the maintenance of stemness and homeostasis in neural stem cells during essential brain physiology and also in the instigation and progression of *** recently,studies have begun to shed light on autophagy regulation in glia(microglia,astrocyte,and oligodendrocyte)in the *** cells have attained relatively less consideration despite their unquestioned influence on various aspects of neural development,synaptic function,brain metabolism,cellular debris clearing,and restoration of damaged or injured ***,this review composes pertinent information regarding the involvement of autophagy in neural stem cells and glial regulation and the role of this connexion in normal brain functions,neurodevelopmental disorders,and neurodegenerative *** review will provide insight into establishing a concrete strategic approach for investigating pathological mechanisms and developing therapies for brain diseases.

关键词： astrocyte autophagy glia microglia neural stem cells neurodegenerative diseases neurodevelopmental disorders oligodendrocyte