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New insights into the role of the endoplasmic reticulum in microglia

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Neural Regeneration Research 2024年第7期19卷 1397-1398页

作者： Veronika E.Neubrand M.Rosario Sepúlveda Department of cell biology Faculty of SciencesUniversity of GranadaGranadaSpain

Microglial cells are the only resident immune cells in the central nervous system and constitute its frontline *** are extremely reactive against infections,trauma,or toxins,but are also responsible for mediating inflammation,taking part in the pathogenic course of many neuropathologies(Sierra et al.,2019).cell-specific staining,ultrastructural analysis by transmission electron microscopy(TEM),or two-photonmicroscopy imaging have been relevant for the characterization of microglia as well as their cell-cell interactions。

关键词： inflammation reticulum

Physical exercise and traumatic brain injury: is it question of time?

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Neural Regeneration Research 2024年第3期19卷 475-476页

作者： Valentina Mastrorilli Stefano Farioli Vecchioli Institute of Biochemistry and cell biology Institute of Biochemistry and Cell BiologyNational Research Council(IBBC/CNR)MonterotondoRomeItaly Plaisant S.R.L. RomeItaly

Is it better to be safe than sorry?This Hamletic dilemma has always stimulated medical-scientific debates in numerous fields of *** among these,the preventive-therapeutic approach to the treatment of brain trauma is one of the most striking *** brain injury(TBI)is a leading cause of brain damage among young and elderly populations with a very high hospitalization and death *** is characterized by two pathologically distinct but strictly consequential phases:a first characterized by an immediate and highly variable mechanical dysfunction of the brain tissue,which involves widespread cell death and tissue degeneration,followed by a second phase which can last from days to even years depending on the severity of the TBI and the patient’s pre-existing health *** processes,including inflammatory phenomena,oxidative stress associated with metabolic,vascular,and neuro-modulatory deficits,are very often responsible for neuro-motor and psychological deficits leading to long-term disabilities(Kaur and Sharma,2018).

关键词： injury striking modulator

Drug repurposing: A novel strategy to target cancer stem cells and therapeutic resistance

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Genes & Diseases 2024年第1期11卷 148-175页

作者： Divya Ajmeera Rajanna Ajumeera cell biology Department ICMR-National Institute of Nutrition(NIN)HyderabadTelangana 500007India

Chemotherapy is an effortless and frequently used approach in cancer ***,in most cases,it can only prolong life expectancy and does not guarantee a complete ***,chemotherapy is associated with severe adverse effects,one of the major complications of effective cancer *** addition,newly published research outputs show that cancer stem cells are involved in cancer disease progression,drug resistance,metastasis,and recurrence and that they are functional in the trans-differentiation capacity of cancer stem cells to cancer cells in response to *** strategies are therefore required for better management of cancer *** prime approach would be to synthesize and develop novel drugs that need extensive resources,time,and endurance to be brought into therapeutic *** subsequent approach would be to screen the anti-cancer activity of avail-able non-cancerous *** concept of repurposing non-cancer drugs as an alternative to current cancer therapy has become popular in recent years because using existing anticancer drugs has several adverse *** have also been investigated for cancer ther-apy due to their significant anti-cancer effects with negligible or no side effects and availabil-ity in food *** this paper,we discuss an ideal hypothesis for screening available non-cancerous drugs with anticancer activity,with a focus on cancer stem cells and their clinical application for cancer ***,drug repurposing and the combination of micronu-trients that can target both cancers and cancer stem cells may result in a better therapeutic approach leading to maximum tumor growth control.

关键词： Cancerstem cells Chemotherapy Combination therapy micronutrients Non-cancer drugs Novel strategies

Primary cilia restrict autoinflammation by mediating PD-L1 expression

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Science Bulletin 2024年第16期69卷 2505-2508页

作者： Xiaoyu Tian Kaiyue Zhang Renjie Hong Hanyu Wang Xifeng Dong Jun Zhou Yunfan Yang Min Liu Center for cell Structure and Function Shandong Provincial Key Laboratory of Animal Resistance BiologyHaihe Laboratory of Cell EcosystemCollaborative Innovation Center of Cell Biology in Universities of ShandongCollege of Life SciencesShandong Normal UniversityJinan 250014China State Key Laboratory of Medicinal Chemical biology College of Life SciencesNankai UniversityTianjin 300071China Department of Hematology Tianjin Medical University General HospitalTianjin 300052China Department of cell biology School of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinan 250012China Laboratory of Tissue Homeostasis Haihe Laboratory of Cell EcosystemTianjin 300462China

Ciliopathies are multisystem disorders characterized by the dysfunction of motile and/or non-motile cilia,which are microtubule-based structures protruding from the cell surface and function in cell motility and *** clinical manifestations of ciliopathies include retinal degeneration,mental retardation,renal abnormality,obesity,and skeletal dysplasia[1,2].Fibrosis of vital organs,characterized by the extensive deposition of extracellular matrix components,represents another complication frequently observed in patients and animal models of ciliopathies[3].

关键词： inflammation organs degeneration

A toast to a zebrafish germ cell induction cocktail

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Science China(Life Sciences) 2024年第6期67卷 1314-1315页

作者： Mary C.Mullins Department of cell and Developmental biology University of Pennsylvania Perelman School of MedicinePhiladelphia 19104USA

The zebrafish field is ringing in the new year with a publication from Yonghua Sun's laboratory(Wang et al.,2023)of a cocktail of germline factors that can induce all cells of the zebrafish embryo into primordial germ cells(PGCs)at phenomenal *** major advance is not only of great interest to germ cell biologists,but it has important applications to the entire zebrafish field,as shown in Wang et al.(2023).

关键词： fish zebra field

Use of induced pluripotent stem cell-derived brain cells,organoids,assembloids,and blood-brain barrier models in understanding alcohol and anesthetic-induced brain injuries:an emerging perspective

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Neural Regeneration Research 2024年第5期19卷 953-954页

作者： Xiaowen Bai Department of cell biology Neurobiology&AnatomyMedical College of WisconsinMilwaukeeWIUSA

Neurological disorders,including developmental disorders,Alzheimer’s disease(AD),and psychiatric conditions,have significant social and economic impacts *** extensive research into the underlying mechanisms of these disorders,effective treatments remain elusive,partly due to the complexity of the brain,the limited availability of human brain tissue,and the blood-brain barrier(BBB)’s impermeability to certain *** perspective article discusses the potential of human induced pluripotent stem cell(iPSC)-based models of brain cells,organoids,assembloids,and BBB to advance our understanding of the etiology,progression,and mechanisms of brain injuries induced by alcohol consumption and general *** models could also be used to develop protective and therapeutic approaches.

关键词： injuries protective drugs

A perspective on age-related changes in cell environment and risk of neurodegenerative diseases

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Neural Regeneration Research 2024年第4期19卷 719-720页

作者： Alice Y.Liu Department of cell biology and Neuroscience Rutgers State University of New JerseyPiscatawayNJUSA

“Age-related neurodegenerative disease”underscores human age as the primary risk factor for disease development:Alzheimer’s,Parkinson’s,and Huntington’s disease(HD)as *** for the age-dependent delay in disease manifestation,in particular for autosomal dominant forms of the disease,and the underlying cause(s)of specific neuron dysfunction and death to manifest as memory loss,anxiety,depression,and agitation in disease subjects remain *** are interested in understanding age-related changes in cell environment that can modulate the structure,function,aggregation.

关键词： Huntington Alzheimer death

Angiogenesis in diseases:A half-century excursion from the initial therapeutic concept to current clinical benefits

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Chinese Medical Journal 2024年第6期137卷 636-637页

作者： Yihai Cao Department of Microbiology Tumor and Cell BiologyKarolinska InstituteStockholm 17177Sweden

Except a few tissues such as the cornea and cartilage that are avascular,blood vessels constitute a significant proportion of tissue masses in virtually all *** physiological conditions,the adult vasculature remains quiescent to retain tissue and organ homeostatic *** few or too many blood vessels are associated with the onset and progression of many *** response to injuries,most tissues undergo repair by switching on angiogenesis,a key process of new blood vessel formation.^([1])Similarly,angiogenesis is often active in pathological tissues,including tumors and ischemic tissues to aggravate disease progression.

关键词： injuries organs diseases

Pathologically relevant aldoses and environmental aldehydes cause cilium disassembly via formyl group-mediated mechanisms

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Journal of Molecular cell biology 2024年第1期16卷 15-28页

作者： Te Li Min Liu Fan Yu Song Yang Weiwen Bu Kai Liu Jia Yang Hua Ni Mulin Yang Hanxiao Yin Renjie Hong Dengwen Li Huĳie Zhao Jun Zhou Haihe Laboratory of cell Ecosystem State Key Laboratory of Medicinal Chemical BiologyTianjin Key Laboratory of Protein ScienceCollege of Life SciencesNankai UniversityTianjin 300071China Laboratory of Tissue Homeostasis Haihe Laboratory of Cell EcosystemTianjin 300462China Center for cell Structure and Function Collaborative Innovation Center of Cell Biology in Universities of ShandongShandong Provincial Key Laboratory of Animal Resistance BiologyCollege of Life SciencesShandong Normal UniversityJinan 250014China

Carbohydrate metabolism disorders(CMDs),such as diabetes,galactosemia,and mannosidosis,cause ciliopathy-like multiorgan ***,the mechanistic link of cilia to CMD complications is still poorly ***,we describe significant cilium disassembly upon treatment of cells with pathologically relevant aldoses rather than the corresponding sugar ***,environmental aldehydes are able to trigger cilium disassembly by the steric hindrance effect of their formyl *** studies reveal that aldehydes stimulate extracellular calcium influx across the plasma membrane,which subsequently activates the calmodulin-Aurora A-histone deacetylase 6 pathway to deacetylate axonemal microtubules and triggers cilium *** vivo experiments further show that Hdac6 knockout mice are resistant to aldehyde-induced disassembly of tracheal cilia and sperm *** findings reveal a previously unrecognized role for formyl group-mediated cilium disassembly in the complications of CMDs.

关键词： carbohydrate metabolism disorder aldose aldehyde cilium disassembly formyl group calcium influx HDAC6