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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

Epigenetic memory of drug exposure history controls neural stem cell quiescence in the adult brain

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Neural Regeneration Research 2024年第4期19卷 711-712页

作者： Masakazu Iwamoto Taito Matsuda department of Stem cell Biology and Medicine Graduate School of Medical SciencesKyushu UniversityFukuokaJapan

Neural stem cells(NSCs)are the source of all neurons and glial cells(astrocytes and oligodendrocytes)in the central nervous *** adult mammalian brain retains NSCs in the subgranular zone of the dentate gyrus in the hippocampus and ventricular subventricular zone lining the lateral ventricle(Olpe and Jessberger,2022).Adult NSCs in rodents are preserved throughout life and continuously produce new neurons that integrate into the pre-existing neuronal network.

关键词： neural integrate continuously

Hydroxysafflor Yellow A Promotes HaCaT cell Proliferation and Migration by Regulating HBEGF/EGFR and PI3K/AKT Pathways and Circ_0084443

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Chinese Journal of Integrative Medicine 2024年第3期30卷 213-221页

作者： ZHANG Yue XIAO Yan-wei MA Jing-xin WANG Ao-xue department of Dermatology the Second Hospital of Dalian Medical UniversityDalianLiaoning Province116021China department of cell Biology Dalian Medical UniversityDalianLiaoning Province116044China

Objective:To investigate the effect and possible mechanism of hydroxysafflor yellow A(HSYA) on human immortalized keratinocyte cell proliferation and ***:HaCaT cells were treated with *** proliferation was detected by the cell counting kit-8 assay,and cell migration was measured using wound healing assay and Transwell migration *** mRNA and protein expression levels of heparin-binding epidermal growth factor(EGF)-like growth factor(HBEGF),EGF receptor(EGFR),phosphatidylinositol 3-kinase(PI3K),protein kinase B(AKT),mammalian target of rapamycin(mTOR),and hypoxia-inducible factor-1α(HIF-1α) were detected by quantitative real-time polymerase chain reaction(qRT-PCR) and Western blot,***_0084443-overexpressing HaCaT cells and empty plasmid HaCaT cells were constructed using the lentiviral stable transfection and treated with *** expression of circ_0084443 was detected by ***:HSYA(800 μmol/L) significantly promoted HaCaT cell proliferation and migration(Pcell proliferation and migration via the HBEGF/EGFR and PI3K/AKT/m TOR signaling pathways(Pcells(Pcell migration(P>0.05).Conclusion:HSYA played an accelerative role in HaCaT cell proliferation and migration,which may be attributable to activating HBEGF/EGFR and PI3K/AKT signaling pathways,and had a particular inhibitory effect on the keratinocyte negative

关键词： hydroxysafflor yellow A circ_0084443 heparin-binding epidermal growth factor-like growth factor/epidermal growth factor receptor phosphatidylinositol 3-kinase/protein kinase B

γδT cells:Major advances in basic and clinical research in tumor immunotherapy

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Chinese medical Journal 2024年第1期137卷 21-33页

作者： Yueqi Zhao Peng Dong Wei He Jianmin Zhang Hui Chen department of Immunology CAMS Key Laboratory for T Cell and ImmunotherapyState Key Laboratory of Medical Molecular BiologyInstitute of Basic Medical SciencesChinese Academy of Medical Sciences and School of Basic MedicinePeking Union Medical CollegeBeijing 100005China Changzhou Xitaihu Institute for Frontier Technology of cell Therapy ChangzhouJiangsu 213000China Haihe Laboratory of cell Ecosystem Chinese Academy of Medical Sciences and Peking Union Medical CollegeTianjin 300020China

γδT cells are a kind of innate immune T *** have not attracted sufficient attention because they account for only a small proportion of all immune cells,and many basic factors related to these cells remain ***,in recent years,with the rapid development of tumor immunotherapy,γδT cells have attracted increasing attention because of their ability to exert cytotoxic effects on most tumor cells without major histocompatibility complex(MHC)*** increasing number of basic studies have focused on the development,antigen recognition,activation,and antitumor immune response ofγδT ***,γδT cell-based immunotherapeutic strategies are being developed,and the number of clinical trials investigating such strategies is *** review mainly summarizes the progress of basic research and the clinical application ofγδT cells in tumor immunotherapy to provide a theoretical basis for further the development ofγδT cell-based strategies in the future.

关键词： Gamma-delta T-cells T cell receptor CD1a Tumor immunotherapy Receptors,chimeric antigen Vδ1 cells αβT cells

TSPO deficiency exacerbates acute lung injury via NLRP3 inflammasome-mediated pyroptosis

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Chinese medical Journal 2024年第13期137卷 1592-1602页

作者： Jingyi Han Xue Zhang Menghua Cai Feng Tian Yi Xu Hui Chen Wei He Jianmin Zhang Hui Tian department of Thoracic Surgery Qilu Hospital of Shandong UniversityJinanShandong 250012China CAMS Key Laboratory of T cell and Immunotherapy Department of ImmunologyInstitute of Basic Medical SciencesChinese Academy of Medical Sciences and School of Basic MedicinePeking Union Medical CollegeState Key Laboratory of Medical Molecular BiologyBeijing 100005China Changzhou Xitaihu Institute for Frontier Technology of cell Therapy ChangzhouJiangsu 213000China Haihe Laboratory of cell Ecosystem Chinese Academy of Medical Sciences&Peking Union Medical CollegeTianjin 300020China

Background:Acute respiratory distress syndrome(ARDS)is a common cause of respiratory failure in many critically ill *** inflammasome activation plays an important role in the induction of acute lung injury(ALI)and ARDS,the regulatory mechanism of this process is still *** cells are stimulated by inflammation,the integrity and physiological function of mitochondria play a crucial part in ***,the underlying mechanisms and function of mitochondrial proteins in the process of pyroptosis are largely not yet ***,we identified the 18-kDa translocator protein(TSPO),a mitochondrial outer membrane protein,as an important mediator regulating nucleotide-binding domain,leucine-rich repeat,and pyrin domain-containing protein 3(NLRP3)inflammasome activation in macrophages during ***:TSPO gene knockout(KO)and lipopolysaccharide(LPS)-induced ALI/ARDS mouse models were employed to investigate the biological role of TSPO in the pathogenesis of *** macrophages were used to further characterize the effect of TSPO on the NLRP3 inflammasome *** of NLRP3 inflammasome was preformed through LPS+adenosine triphosphate(ATP)co-stimulation,followed by detection of mitochondrial membrane potential,reactive oxygen species(ROS)production,and cell death to evaluate the potential biological function of *** between two groups were performed with a two-sided unpaired ***:TSPO-KO mice exhibited more severe pulmonary inflammation in response to LPS-induced *** deficiency resulted in enhanced activation of the NLRP3 inflammasome pathway,promoting more proinflammatory cytokine production of macrophages in LPS-injured lung tissue,including interleukin(IL)-1β,IL-18,and macrophage inflammatory protein(MIP)-*** in TSPO-KO macrophages tended to depolarize in response to cellular *** increased production of mitochondrial damage-associated molecular pattern led to enhanced mitochondrial membr

关键词： Acute respiratory distress syndrome Acute lung injury 18-kDa translocator protein Macrophage NLRP3 inflammasome Inflammation

SETDB1-mediated CD147-K71 di-methylation promotes cell apoptosis in non-small cell lung cancer

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Genes & Diseases 2024年第2期11卷 978-992页

作者： Ming-Yan Shi Yarong Wang Ying Shi Ruofei Tian Xiaohong Chen Hai Zhang Ke Wang Zhinan Chen Ruo Chen National Translational Science Center for Molecular Medicine & department of cell Biology Fourth Military Medical UniversityXi'anShaanxi 710032China

Protein post-translational modifications(PTMs)are at the heart status of cellular signaling events and broadly involved in tumor ***147 is a tumor biomarker with various PTMs,promoting tumor metastasis and metabolism ***,the relationship between the PTMs of CD147 and apoptosis has not been *** our study,we produced a specific anti-CD147-K71 di-methylation(CD147-K71me2)antibody by immunizing with a di-methylated peptide and observed that the level of CD147-K71me2 in non-small cell lung cancer(NSCLC)tissues were lower than that in NSCLC adjacent ***1 was identified as the methyltransferase catalyzing CD147 to generate ***-seq showed that FOSB was the most significant differentially expressed gene(DEG)between wild-type CD147(CD147-WT)and K71-mutant CD147(CD147-K71R)***,we found that CD147-K71me2 promoted the expression of FOSB by enhancing the phosphorylation of p38,leading to tumor cell *** vivo experiments showed that CD147-K71me2 significantly inhibited tumor progression by promoting cell *** together,our findings indicate the inhibitory role of CD147-K71me2 in tumor progression from the perspective of post-translational modification,which is distinct from the pro-cancer function of CD147 itself,broadening our perspective on tumor-associated antigen CD147.

关键词： CD147 di-methylation cell apoptosis FOSB Non-small cell lung cancer SETDB1

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

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

Immediate implantation of ultrafine fiber slow-release system based on cell electrospinning to induce osteogenesis of mesenchymal stem cells

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Regenerative Biomaterials 2024年第2期3卷 76-87页

作者： Tao Lu Long Yang Zhuoyang Li Yin Liu Shun'en Xu Chuan Ye department of Orthopaedics The Affliated Hospital of Guizhou Medical UniversityGuiyang 550004China department of Orthopaedics The First People's Hospital of GuiyangGuiyang 550004China Center for Tissue Engineering and Stem cell Research Guizhou Medical UniversityGuiyang 550004China department of Otolaryngology Head and Neck Surgery Xinqiao HospitalArmy Medical University(Third Military Medical University)Chongqing 400037China department of Dental implant Stomatological Hospital of GuiyangGuiyang 550000China

This study presents the development and evaluation of a poly(3-hydroxybutyrate-co-4-hydroxybutyrate)(P34HB)ultrafine fiber slow-release system for in vivo osteogenic induction of human umbilical cord mesenchymal stem cells(HUCMSCs).Utilizing dual-nozzle and cell electrospinning techniques,the system encapsulates L-ascorbic acid-2-phosphate magnesium(AsP),βB-glycerophosphate sodium and dexamethasone(DEX)within the'fbers,ensuring sustained osteogenic *** scaffold's morphology,characterization,hydrophilicity,mechanical properties and cellular behavior were *** subcutaneous implantation in rabbits was con-ducted to observe its ectopic osteogenic induction *** fabricated P34HB ultrafine fiber slow-release *** ization *** distribution of HUCMSCs and inducing components within the scaffold,with no chemical reactions affecting the active *** vitro tests showcased a prolonged release of DEX and ASP,while biocompatibility assays highlighted the scaffold's suitability for cellular *** Red,type I collagen,and osteopontin(OPN)staining verifed the scaffold's potent osteogenic induction effect on ***,immediate implantation into New Zealand White rabbits led to significant new bone formation within 8 *** findings underscore the system's potential for immediate in vivo implantation without prior in vitro induction,marking a promising advancement in bone tissue engineering.

关键词： bone tissue engineering cell electrospinning in vivo induction immediate implantation biomaterials