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Advances in oral mesenchymal stem cell-derived extracellular vesicles in health and disease

Genes & Diseases 2024年第1期11卷 346-357页

作者： Huanyu Luo Anahid Ahmadi Birjandi Feilong Ren Tianmeng Sun Paul T.Sharpe Hongchen Sun Zhengwen An Department of oral biology Jilin Provincial Key Laboratory of Tooth Development and Bone RemodelingSchool and Hospital of StomatologyJilin UniversityChangchunJilin 130021China Faculty of Dentistry Oral&Craniofacial SciencesCentre for Craniofacial and Regenerative BiologyKing's College LondonLondonSE19RTUK Department of oral Pathology Jilin Provincial Key Laboratory of Tooth Development and Bone RemodelingSchool and Hospital of StomatologyJilin UniversityChangchunJilin 130021China

Extracellular vesicles(EVs)are nano-size vesicles secreted naturally by all cells into the extracellular space and have been recognized as important cell-cell mediators in multicel-lular *** contain nucleic acids,proteins,lipids,and other cellular components,regulating many basic biological processes and playing an important role in regenerative med-icine and *** can be traced to their cells of origin and exhibit a similar ***,EVs demonstrate low immunogenicity,good biocompatibility,and fewer side ef-fects,compared to their parent *** stem cells(MsCs)are one of the most important resource cells for EVs,with a great capacity for self-renewal and multipotent differ-entiation,and play an essential role in stem cell *** mechanism of MsC therapy was thought to be attributed to the differentiation of MsCs after targeted migration,as previously ***,emerging evidence shows the previously unknown role of MsC-derived para-crine factors in stem cell *** EVs derived from oral tissue MSCs(OMSC-EVs),show more advantages than those of all other MsCs in tissue repair and regeneration,due to their lower invasiveness and easier accessibility for sample ***,we systematically review the biogenesis and biological characteristics of OMSC-EVs,as well as the role of OMsC-EVs in intercellular ***,we discuss the potential therapeutic roles of OMSC-EVs in oral and systemic *** highlight the current challenges and future directions of OMSC-EVs to focus more attention on clinical *** aim to provide valuable insights for the explorative clinical application of OMSC-EVs.

关键词： Disease Extracellular vesicles oral tissue MSC Therapeutic application Tissue regeneration

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Human dental pulp stem/stromal cells in clinical practice

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World Journal of Stem Cells 2024年第2期16卷 54-57页

作者： Mohammed E Grawish Department of oral biology Faculty of DentistryMansoura UniversityMansoura 35561Egypt Department of oral biology Faculty of Oral and Dental MedicineDelta University for Science and TechnologyMansoura 11152Egypt

Dental pulp stem/stromal cells(DPSCs)are fibroblast-like,neural crest-derived,and multipotent cells that can differentiate into several *** are relatively easy to isolate from healthy and inflamed pulps,with little ethical concerns and can be successfully cryopreserved and *** therapeutic effects of DPSCs derived from animal or human sources have been extensively studied through in-vitro and in-vivo animal experiments and the findings indicated that DPSCs are effective not only for dental diseases but also for systemic *** that translational research is a critical step through which the fundamental scientific discoveries could be translated into applicable diagnostics and therapeutics that directly benefit humans,several clinical studies were carried out to generate evidence for the efficacy and safety of autogenous or allogeneic human DPSCs(hDPSCs)as a treatment modality for use in cell-based therapy,regenerative medicine/dentistry and tissue *** clinical medicine,hDPSCs were effective for treating acute ischemic stroke and human exfoliated deciduous teeth-conditioned medium(SHED-CM)repaired vascular damage of the corpus cavernous,which is the main cause of erectile *** in clinical dentistry,autologous SHED was able to rege-nerate necrotic dental pulp after implantation into injured teeth,and micrografts enriched with autologous hDPSCs and collagen sponge were considered a treatment option for human intrabony *** contrast,hDPSCs did not add a significant regenerative effect when they were used for the treatment of post-extraction ***-scale clinical studies across diverse populations are still lacking to provide robust evidence on the safety and efficacy of hDPSCs as a new treatment option for various human diseases including dental-related problems.

关键词： Dental pulp stem/stromal cells Human clinical studies Regenerative medicine Regenerative dentistry Cell-based therapy

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JA-mediated MYC2/LOX/AOS feedback loop regulates osmotic stress response in tea plant

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Horticultural Plant Journal 2024年第3期10卷 931-946页

作者： Junyan Zhu Hongrong Chen Lu Liu Xiaobo Xia Xiaomei Yan Xiaozeng Mi Shengrui Liu Chaoling Wei State Key laboratory of Tea Plant biology and Utilization/Key laboratory of Tea biology and Tea Processing of Ministry of Agriculture/Anhui Provincial laboratory of Tea Plant biology and Utilization Anhui Agricultural UniversityHefeiAnhui 230036China

Osmotic stress caused by low-temperature,drought and salinity was a prevalent abiotic stress in plant that severely inhibited plant development and agricultural yield,particularly in tea *** acid(JA)is an important phytohormone involving in plant ***,underlying molecular mechanisms of JA modulated osmotic stress response remains *** this study,high concentration of mannitol induced JA accumulation and increase of peroxidase activity in tea *** transcriptome mined a JA signaling master,MYC2 transcription factor is shown as a hub regulator that induced by mannitol,expression of which positively correlated with JA biosynthetic genes(LOX and AOS)and peroxidase genes(PER).CsMYC2 was determined as a nuclei-localized transcription activator,furthermore,ProteinDNA interaction analysis indicated that CsMYC2 was positive regulator that activated the transcription of CsLOX7,CsAOS2,CsPER1 and CsPER3via bound with their promoters,*** of CsMYC2 expression resulted in a reduced JA content and peroxidase activity and osmotic stress tolerance of tea *** of CsMYC2 in Arabidopsis improved JA content,peroxidase activity and plants tolerance against mannitol ***,we proposed a positive feedback loop mediated by CsMYC2,CsLOX7 and CsAOS2 which constituted to increase the tolerance of osmotic stress through fine-tuning the accumulation of JA levels and increase of POD activity in tea plant.

关键词： Camellia sinensis Jasmonic acid(JA) MYC2 transcription factor Lipoxygenase(LOX) Osmotic stress Peroxidase(POD) Reactive oxygen species(ROS)

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Synthesis and potential osteogenic applications of Wnt3a-loaded ZIF-8 nanoparticles

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Chinese Chemical Letters 2024年第3期35卷 399-405页

作者： Hengfei Wang Song Chen Zihan He Junyu Chen Zhou Zhu Qianbing Wan Jian Wang Xibo Pei State Key laboratory of oral Diseases National Clinical Research Center for Oral DiseasesDepartment of ProsthodonticsWest China Hospital of StomatologySichuan UniversityChengdu 610041China Chongqing Key laboratory of oral Diseases and Biomedical Sciences Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher EducationStomatological Hospital of Chongqing Medical UniversityChongqing 400016China

The Wnt signaling pathway plays a critical role in bone homeostasis,and the related protein therapy strategies have been reported to have great potential in osseointegration;however,they face formidable challenges such as complex external environments and unavoidable protein *** this work,we report a novel approach combining the synthesis of metal–organic frameworks(MOFs)and protein encapsulation in a one-pot process based on zeolitic imidazolate framework-8(ZIF-8)and Wnt3a protein,with improved biomechanical behavior and enhanced protein biological *** combination was designed to enhance the Wnt3a protein function through the improved chemical stability provided by the ZIF-8 ***,the zinc ions contained in the ZIF-8 crystals induced bone homeostasis,further favoring the *** results showed that the Wnt3a protein-loaded ZIF-8 crystals served as efficient drug delivery vehicles to promote osteogenesis,preventing protein *** particular,Wnt3a-loaded ZIF-8 nanoparticles(Wnt3a@ZIF-8 NPs)had higher efficacy on bone marrow mesenchymal stem cells(BMSCs)than ZIF-8 NPs or Wnt3a proteins,contributing to the osteogenesis through ZIF-8 crystals and intracellular Wnt3a proteins released from Wnt3a@ZIF-8 ***,polymerase chain reaction(PCR)analysis showed that the osteogenic pathways were ***,the present one-pot process can open up new avenues to develop signaling protein-delivery systems for applications in protein therapy strategies.

关键词： Metal–organic frameworks Nanoparticle Drug release Osteogenesis Bone defects

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Magnesium promotes vascularization and osseointegration in diabetic states

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International Journal of oral Science 2024年第1期16卷 122-133页

作者： Linfeng Liu Feiyu Wang Wei Song Danting Zhang Weimin Lin Qi Yin Qian Wang Hanwen Li Quan Yuan Shiwen Zhang State Key laboratory of oral Diseases&National Center for Stomatology&National Clinical Research Center for oral Diseases&West China Hospital of Stomatology Sichuan UniversityChengduChina State Key laboratory of oral Diseases&National Center for Stomatology&National Clinical Research Center for oral Diseases&Department of oral Implantology West China Hospital of StomatologySichuan UniversityChengduChina

Diabetes has long been considered a risk factor in implant therapy and impaired wound healing in soft and hard oral *** has been proved to promote bone healing under normal ***,we elucidate the mechanism by which Mg^(2+)promotes angiogenesis and osseointegration in diabetic *** generated a diabetic mice model and demonstrated thealveolar bone healing was compromised,with significantly decreased *** then developed Mg-coating implants with hydrothermal *** implants successfully improved the vascularization and osseointegration in diabetic ***,Mg^(2+)promoted the degradation of Kelch-like ECH-associated protein 1 (Keap1) and the nucleation of nuclear factor erythroid 2-related factor 2 (Nrf2) by up-regulating the expression of sestrin 2 (SESN2) in endothelial cells,thus reducing theelevated levels of oxidative stress in mitochondria and relieving endothelial cell dysfunction under ***,our data suggested that Mg^(2+)promoted angiogenesis and osseointegration in diabetic mice by regulating endothelial mitochondria metabolism.

关键词： healing diabetic impaired

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Bioinspired mineral-in-shell nanoarchitectonics:Functional empowerment of mineral precursors for guiding intradentinal mineralization

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Nano Research 2024年第5期17卷 4338-4349页

作者： Xiaoran Zheng Yang Liu Mingjing Li Yuyan Li Wanshan Gao Rongmin Qiu Jiaqi Xing Jiaojiao Yang Yantao Chen Xinyuan Xu Mingming Ding Jun Luo Jianshu Li College of Polymer Science and Engineering State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu 610065China College of Stomatology Hospital of Stomatology Guangxi Medical UniversityGuangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and ReconstructionGuangxi Clinical Research Center for Craniofacial DeformityGuangxi Key Laboratory of Oral and Maxillofacial Surgery Disease TreatmentGuangxi Health Commission Key Laboratory of Prevention and Treatment for Oral Infectious DiseasesNanning 530021China State Key laboratory of oral Diseases West China Hospital of StomatologySichuan UniversityChengdu 610041China Shenzhen Key laboratory of Environmental Chemistry and Ecological Remediation College of Chemistry and Environmental EngineeringShenzhen UniversityShenzhen 518060China Med-X Center for Material Sichuan UniversityChengdu 610041China

Effective mineralization of biological structures poses a significant challenge in hard tissue engineering as it necessitates overcoming geometric complexities and multistep biomineralization *** this regard,we propose“mineral-in-shell nanoarchitectonics”,inspired by the nanostructure of matrix vesicles,which can influence multiple mineralization *** nanostructural design empowers mineral precursors with tailorable properties through encapsulating amorphous calcium phosphate within a multifunctional tannic acid(TA)and silk fibroin(SF)*** bioinspired nanosystem facilitates efficient recruitment of mineral precursors throughout the dentin structures,followed by large-scale intradentinal mineralization both in vitro and in vivo,which provides persistent protection against external *** simulations combined with experimental studies attribute the success of intradentinal mineralization to the TA-SF nanoshell,which exhibits a strong affinity for the dentin structure,stabilizing amorphous precursors and thereby facilitating concomitant mineral ***,this bioinspired mineral-in-shell nanoarchitectonics shows a promising prospect for hard tissue repair and serves as a blueprint for next-generation biomineralization-associated materials.

关键词： mineral-in-shell nanohybrids self-assembly biomineralization dentinal tubule occlusion dental hypersensitivity

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Recent advances in morphology control of platinum catalysts toward oxygen reduction reaction

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Frontiers in Energy 2024年第3期18卷 330-355页

作者： Shun CHEN Yanru LIU Xiaogang FU Wanglei WANG State Key laboratory of Solidification Processing Atomic Control and Catalysis Engineering LaboratorySchool of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072China State Key laboratory of oral and Maxillofacial Reconstruction and Regeneration National Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of Dental MaterialsSchool of StomatologyThe Fourth Military Medical UniversityXi’an 710032China

Exploring advanced platinum (Pt)-based electrocatalysts is vital for the widespread implementation of proton exchange membrane fuel cells (PEMFCs). Morphology control represents an effective strategy to optimize the behavior of Pt catalysts. In this work, an attempt is made to comprehensively review the effect of morphology control on the catalytic behavior of catalysts in the oxygen reduction reaction (ORR). First, the fundamental physicochemical changes behind morphology control, including exposing more active sites, generating appropriate lattice strains, and forming different crystalline surfaces, are highlighted. Then, recently developed strategies for tuning the morphologies of electrocatalysts, including core-shell structures, hollow structures, nanocages, nanowires, and nanosheets, are comprehensively summarized. Finally, an outlook on the future development of morphology control of Pt catalysts is presented, including rational design strategies, advanced in situ characterization techniques, novel artificial intelligence, and mechanical learning. This work is intended to provide valuable insights into designing the morphology and technological innovation of efficient redox electrocatalysts in fuel cells.

关键词： morphology platinum catalysts electrocatalysis ORR PEMFC

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Emerging roles of exosomes in oral diseases progression

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International Journal of oral Science 2024年第1期16卷 36-51页

作者： Jiayi Wang Junjun Jing Chenchen Zhou Yi Fan State Key laboratory of oral Diseases&National Center for Stomatology&National Clinical Research Center for oral Diseases&Department of Cariology and Endodontics West China Hospital of StomatologySichuan UniversityChengduChina State Key laboratory of oral Diseases&National Center for Stomatology&National Clinical Research Center for oral Diseases&West China Hospital of Stomatology Sichuan UniversityChengduChina State Key laboratory of oral Diseases&National Center for Stomatology&National Clinical Research Center for oral Diseases&Department of Pediatric Dentistry West China Hospital of StomatologySichuan UniversityChengduChina

oral diseases, such as periodontitis, salivary gland diseases, and oral cancers, significantly challenge health conditions due to their detrimental effects on patient's digestive functions, pronunciation, and esthetic demands. Delayed diagnosis and non-targeted treatment profoundly influence patients' prognosis and quality of life. The exploration of innovative approaches for early detection and precise treatment represents a promising frontier in oral medicine.

关键词： diseases diagnosis salivary

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Cisplatin-based miRNA delivery strategy inspired by the circCPNE1/miR-330-3p pathway for oral squamous cell carcinoma

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Acta Pharmaceutica Sinica B 2024年第6期14卷 2748-2760页

作者： Hua-yang Fan Ming-da Zhao Hong-jie Jiang Zhen-wei Yu Yu-jiang Fan Xin-hua Liang Ya-ling Tang Yong Sun State Key laboratory of oral Diseases&National Center for Stomatology&National Clinical Research Center for oral Diseases&Department of oral and Maxillofacial Surgery West China Hospital of StomatologySichuan UniversityChengdu 610041China National Engineering Research Center for Biomaterials Sichuan UniversityChengdu 610065China State Key laboratory of oral Diseases&National Center for Stomatology&National Clinical Research Center for oral Diseases&Department of oral Pathology West China Hospital of StomatologySichuan UniversityChengdu 610041China

Circular RNAs(circRNAs)are ideal biomarkers of oral squamous cell carcinoma(OSCC)because of their highly stable closed-loop structure,and they can act as microRNA(miRNA)sponges to regulate OSCC *** analyzing clinical samples,we identified circCPNE1,a dysregulated circRNA in OSCC,and its expression level was negatively correlated with the clinical stage of OSCC ***-of-function assays revealed the tumor-suppressive effect of circCPNE1,which was then identified as a miR-330-3p ***-330-3p was recognized as a tumor promoter in multiple studies,consistent with our finding that it could promote the proliferation,migration,and invasion of OSCC *** results indicated that selective inhibition of miR-330-3p could be an effective strategy to inhibit OSCC ***,we designed cationic polylysine-cisplatin prodrugs to deliver antagomiR-330-3p(a miRNA inhibitory analog)via electrostatic interactions to form PP@miR nanoparticles(NPs).Paratumoral administration results revealed that PP@miR NPs effectively inhibited subcutaneous tumor progression and achieved partial tumor elimination(2/5),which confirmed the critical role of miR-330-3p in OSCC *** findings provide a new perspective for the development of OSCC treatments.

关键词： oral squamous cell carcinoma CircRNA MiRNA sponge Antagomir MiRNA delivery Cisplatin-based nanoparticles Drug delivery systems Tumor elimination

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Ptip safeguards the epigenetic control of skeletal stem cell quiescence and potency in skeletogenesis

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Science Bulletin 2024年第13期69卷 2099-2113页

作者： Jianfei Liang Jing Wang Bingdong Sui Yibo Tong Jihua Chai Qin Zhou Chenxi Zheng Hao Wang Liang Kong Haojian Zhang Yi Bai State Key laboratory of oral&Maxillofacial Reconstruction and Regeneration Key Laboratory of Oral Biomedicine Ministry of EducationHubei Key Laboratory of StomatologySchool&Hospital of StomatologyTaikang Center for Life and Medical SciencesWuhan UniversityWuhan 430079China Key laboratory of Shaanxi Province for Craniofacial Precision Medicine Research College of StomatologyXi’an Jiaotong UniversityXi’an 710004China Department of Implant Dentistry College of StomatologyXi’an Jiaotong UniversityXi’an 710004China State Key laboratory of oral&Maxillofacial Reconstruction and Regeneration National Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyShaanxi International Joint Research Center for Oral DiseasesCenter for Tissue EngineeringSchool of StomatologyThe Fourth Military Medical UniversityXi’an 710032China State Key laboratory of Genetic Resources and Evolution Kunming Institute of ZoologyChinese Academy of SciencesKunming 650223China State Key laboratory of oral&Maxillofacial Reconstruction and Regeneration National Clinical Research Center for Oral DiseasesShaanxi Key Laboratory of StomatologyDepartment of Oral and Maxillofacial SurgerySchool of StomatologyThe Fourth Military Medical UniversityXi’an 710032China Department of Hematology Zhongnan HospitalWuhan UniversityWuhan 430079China Frontier Science Center for Immunology and Metabolism Medical Research InstituteWuhan UniversityWuhan 430079China Taikang Center for Life and Medical Sciences Wuhan UniversityWuhan 430079China

Stem cells remain in a quiescent state for long-term maintenance and preservation of potency;this process requires fine-tuning regulatory *** this study,we identified the epigenetic landscape along the developmental trajectory of skeletal stem cells(SSCs)in skeletogenesis governed by a key regulator,Ptip(also known as Paxip1,Pax interaction with transcription-activation domain protein-1).Our results showed that Ptip is required for maintaining the quiescence and potency of SSCs,and loss of Ptip in type II collagen(Col2)^(+)progenitors causes abnormal activation and differentiation of SSCs,impaired growth plate morphogenesis,and long bone *** also found that Ptip suppressed the glycolysis of SSCs through downregulation of phosphoglycerate kinase 1(Pgk1)by repressing histone H3 lysine 27 acetylation(H3K27ac)at the promoter ***,inhibition of glycolysis improved the function of SSCs despite Ptip *** the best of our knowledge,this is the first study to establish an epigenetic framework based on Ptip,which safeguards skeletal stem cell quiescence and potency through metabolic *** framework is expected to improve SSC-based treatments of bone developmental disorders.

关键词： Skeletal stem cells Bone development Epigenetics Ptip Glycolysis

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