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MAP4K inhibition as a potential therapy for amyotrophic lateral sclerosis

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Neural Regeneration Research 2024年第8期19卷 1639-1640页

作者： Shuaipeng Ma Chun-Li Zhang Department of Molecular Biology University of Texas Southwestern Medical CenterDallasTXUSA Hamon center for regenerative Science and medicine University of Texas Southwestern Medical CenterDallasTXUSA

Amyotrophic lateral sclerosis(ALS)is a rare neurological disease,featuring gradual loss of muscle controls due to degeneration of motor ***,there is currently no cure for *** available therapies only offer a limited e... 详细信息

关键词： degeneration sclerosis MAP4

regenerative treatment of ophthalmic diseases with stem cells:Principles,progress,and challenges

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Advances in Ophthalmology Practice and Research 2024年第2期4卷 52-64页

作者： Yifei Niu Junfeng Ji Ke Yao Qiuli Fu Eye center of the Second Affiliated Hospital Zhejiang University School of MedicineHangzhouZhejiang ProvinceChina Zhejiang Provincial Key Lab of Ophthalmology HangzhouZhejiang ProvinceChina center of Stem Cell and regenerative medicine School of MedicineZhejiang UniversityHangzhouZhejiang ProvinceChina Zhejiang Provincial Key Laboratory of Tissue Engineering and regenerative medicine HangzhouChina

Background:Degenerate eye disorders,such as glaucoma,cataracts and age-related macular degeneration(AMD),are prevalent causes of blindness and visual impairment *** eye disorders,including limbal stem cell deficiency(LSCD),dry eye diseases(DED),and retinitis pigmentosa(RP),result in symptoms such as ocular discomfort and impaired visual function,significantly impacting quality of *** therapies are limited,primarily focus on delaying disease progression,while emerging stem cell therapy directly targets ocular tissues,aiming to restore ocular function by reconstructing ocular *** text:The utilization of stem cells for the treatment of diverse degenerative ocular diseases is becoming increasingly significant,owing to the regenerative and malleable properties of stem cells and their functional ***,stem cell therapy for ophthalmopathy involves various cell types,such as embryonic stem cells(ESCs),induced pluripotent stem cells(iPSCs),mesenchymal stem cells(MSCs),and retinal progenitor cells(RPCs).In the current article,we will review the current progress regarding the utilization of stem cells for the regeneration of ocular tissue covering key eye tissues from the cornea to the *** therapies aim to address the loss of functional cells,restore damaged ocular tissue and or in a paracrine-mediated *** also provide an overview of the ocular disorders that stem cell therapy is targeting,as well as the difficulties and opportunities in this ***:Stem cells can not only promote tissue regeneration but also release exosomes to mitigate inflam-mation and provide neuroprotection,making stem cell therapy emerge as a promising approach for treating a wide range of eye disorders through multiple mechanisms.

关键词： Stem cell Ocular diseases Induced pluripotent stem cells Mesenchymal stem cells Cataracts Glaucoma Diabetic retinopathy Retinal degenerative diseases

Glial progenitor heterogeneity and plasticity in the adult spinal cord

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Neural Regeneration Research 2024年第12期19卷 2567-2568页

作者： Haichao Wei Jia Qian Wu Department of Neurosurgery McGovern Medical SchoolThe University of Texas Health Science Center at HoustonHoustonTXUSA center for Stem Cell and regenerative medicine UT Brown Foundation Institute of Molecular MedicineHoustonTXUSA MD Anderson Cancer center UTHealth Graduate School of Biomedical Sciences HoustonTXUSA

Glial progenitor cells were reported to have the capacity to generate various types of cells in both the central nervous system(CNS)and peripheral nervous *** progenitor cells can respond to diverse environmental signals and transform into distinct populations,each serving specific ***,the adult spinal cord hosts various populations of glial progenitors,a region integral to the central nervous *** development,glial progenitors express glial fibrillary acidic protein(GFAP;Dimou and Gotz,2014).However,the specific identities of GFAP-expressing progenitors in the adult spinal cord were not thoroughly investigated.

关键词： functions plasticity thoroughly

Meticulously engineered three-dimensional-printed scaffold with microarchitecture and controlled peptide release for enhanced bone regeneration

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Biomaterials Translational 2024年第1期5卷 69-83,I0001-I0004页

作者： Jin Yang Kanwal Fatima Xiaojun Zhou Chuanglong He Shanghai Engineering Research center of Nano-Biomaterials and regenerative medicine College of Biological Science and Medical EngineeringDonghua UniversityShanghaiChina

The repair of large load-bearing bone defects requires superior mechanical strength,a feat that a single hydrogel scaffold cannot *** objective is to seamlessly integrate optimal microarchitecture,mechanical robustness,vascularisation,and osteoinductive biological responses to effectively address these critical load-bearing bone *** confront this challenge,three-dimensional(3D)printing technology was employed to prepare a polycaprolactone(PCL)-based integrated *** the voids of 3D printed PCL scaffold,a methacrylate gelatin(GelMA)/methacrylated silk fibroin(SFMA)composite hydrogel incorporated with parathyroid hormone(PTH)peptide-loaded mesoporous silica nanoparticles(PTH@MSNs)was embedded,evolving into a porous PTH@MSNs/GelMA/SFMA/PCL(PM@GS/PCL)*** feasibility of fabricating this functional scaffold with a customised hierarchical structure was confirmed through meticulous chemical and physical *** testing unveiled an impressive strength of 17.81±0.83 MPa for the composite ***,in vitro angiogenesis potential of PM@GS/PCL scaffold was evaluated through Transwell and tube formation assays using human umbilical vein endothelium,revealing the superior cell migration and tube network *** alizarin red and alkaline phosphatase staining assays using bone marrow-derived mesenchymal stem cells clearly illustrated robust osteogenic differentiation properties within this ***,the bone repair potential of the scaffold was investigated on a rat femoral defect model using micro-computed tomography and histological examination,demonstrating enhanced osteogenic and angiogenic *** study presents a promising strategy for fabricating a microenvironment-matched composite scaffold for bone tissue engineering,providing a potential solution for effective bone defect repair.

关键词： angiogenesis bone regeneration methacrylated gelatin methacrylated silk fibroin osteogenesis PTH

Clinical applications of stem cell-derived exosomes

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Signal Transduction and Targeted Therapy 2024年第2期9卷 621-651页

作者： Fei Tan Xuran Li Zhao Wang Jiaojiao Li Khawar Shahzad Jialin Zheng Department of ORL-HNS Shanghai Fourth People’s Hospitaland School of MedicineTongji UniversityShanghaiChina Plasma medicine and Surgical Implants center Tongji UniversityShanghaiChina The Royal College of Surgeons in Ireland DublinIreland The Royal College of Surgeons of England LondonUK center for Translational Neurodegeneration and regenerative Therapy Tongji Hospital affiliated to Tongji University School of MedicineShanghaiChina Shanghai Frontiers Science center of Nanocatalytic medicine Tongji UniversityShanghaiChina

Although stem cell-based therapy has demonstrated considerable potential to manage certain diseases more successfully than conventional surgery,it nevertheless comes with inescapable drawbacks that might limit its clinical *** to stem cells,stem cell-derived exosomes possess numerous advantages,such as non-immunogenicity,non-infusion toxicity,easy access,effortless preservation,and freedom from tumorigenic potential and ethical *** can inherit similar therapeutic effects from their parental cells such as embryonic stem cells and adult stem cells through vertical delivery of their pluripotency or *** a thorough search and meticulous dissection of relevant literature from the last five years,we present this comprehensive,up-to-date,specialty-specific and disease-oriented review to highlight the surgical application and potential of stem cell-derived *** derived from stem cells(e.g.,embryonic,induced pluripotent,hematopoietic,mesenchymal,neural,and endothelial stem cells)are capable of treating numerous diseases encountered in orthopedic surgery,neurosurgery,plastic surgery,general surgery,cardiothoracic surgery,urology,head and neck surgery,ophthalmology,and obstetrics and *** diverse therapeutic effects of stem cells-derived exosomes are a hierarchical translation through tissue-specific responses,and cell-specific molecular signaling *** this review,we highlight stem cell-derived exosomes as a viable and potent alternative to stem cell-based therapy in managing various surgical *** recommend that future research combines wisdoms from surgeons,nanomedicine practitioners,and stem cell researchers in this relevant and intriguing research area.

关键词： viable stem capable

Sensory neurons: unveiling the symphony of wound healing

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3158-3160页

作者： Dongsheng Jiang Hans-Gunther Machens Yuval Rinkevich Precision Research center for Refractory Diseases Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Trauma Medical center Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina Department of Plastic and Hand Surgery Klinikum rechts der IsarSchool of MedicineTechnical University of MunichMunichGermany Institute of regenerative Biology and medicine Helmholtz Center MunichMunichGermany

In a recent paper published in Nature,Lu et *** a pivotal role of Nav1.8+nociceptor-released neuropeptide calcitonin generelated peptide(CGRP)in modulating the activities of myeloid cells during skin and muscle injury... 详细信息

关键词： healing wound al.

The Effect of Spironolactone Loading on the Properties of 3D-Printed Polycaprolactone/Gold Nanoparticles Composite Scaffolds for Myocardial Tissue Engineering

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Journal of Bionic Engineering 2024年第2期21卷 924-937页

作者： Sharareh Ghaziof Shahrokh Shojaei Mehdi Mehdikhani Mohammad Khodaei Milad Jafari Nodoushan Department of Biomedical Engineering Central Tehran BranchIslamic Azad UniversityTehran***Iran Stem Cells Research center Tissue Engineering and Regenerative Medicine InstituteCentral Tehran BranchIslamic Azad UniversityTehran***Iran Department of Biomedical Engineering Faculty of EngineeringUniversity of IsfahanIsfahan***Iran Materials Engineering Group Golpayegan College of EngineeringIsfahan University of TechnologyGolpayegan87717-67498Iran Hard Tissue Engineering Research center Tissue Engineering and Regenerative Medicine InstituteCentral Tehran BranchIslamic Azad UniversityTehran***Iran

Engineered cardiac constructs(ECC)aid in the progression of regenerative medicine,disease modeling and targeted drug delivery to adjust and aim the release of remedial combination as well as decrease the side effects of *** this research,polycaprolactone/gold nanoparticles(PCL/GNPs)three-dimensional(3D)composite scaffolds were manufactured by 3D printing using the fused deposition modeling(FDM)method and then coated with gelatin/spironolactone(GEL/SPL).Scanning electron microscopy(SEM)and Fourier transform-infrared spectroscopy(FTIR–ATR)were applied to characterize the ***,drug release,biodegradation,behavior of the myoblasts(H9C2)cell line,and cytotoxicity of the 3D scaffolds were *** microstructural observation of the scaffolds reported interconnected pores with 150–300µm in *** 3D scaffolds were degraded significantly after 28 days of immersion in stimulated body fluid(SBF),with the maximum rate of GEL-coated 3D *** release from cross-linked GEL coating demonstrated the excess of drug release over time,and according to the control release systems,the drug delivery systems(DDS)went into balance after the 14th *** addition,cell culture study showed that with the addition of GNPs,the proliferation of(H9C2)was enhanced,and with GEL/SPL coating the cell attachment and viability were improved *** findings suggested that PCL/GNPs 3D scaffolds coated with GEL/SPL can be an appropriate choice for myocardial tissue engineering.

关键词： Polycaprolactone Gold nanoparticles Drug delivery systems Spironolactone Cell behavior Myoblasts

Chimeric Monkey Born Alive with a High Contribution of Donor Cells

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Neuroscience Bulletin 2024年第6期40卷 849-851页

作者： Jia Huang Jun Wu Department of Molecular Biology University of Texas Southwestern Medical CenterDallasTX75390USA Hamon center for regenerative Science and medicine University of Texas Southwestern Medical CenterDallasTX75390USA Cecil H.and Ida Green center for Reproductive Biology Sciences University of Texas Southwestern Medical CenterDallasTX75390USA

Chimeras,which consist of cells from different individuals or different species,represent an important tool in biological *** in the early twentieth century,studies on chimeras have been focusing on understanding fundamental genetic and cellular developmental *** the advances in genetic engineering and embryonic stem cell(ESC)technology,chimeras have become an important tool for the generation of transgenic animals.

关键词： mechanisms advances developmental

A comprehensive review on surface modifications of black phosphorus using biological macromolecules

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Frontiers of Materials Science 2024年第2期18卷 37-59页

作者： Chaiqiong Guo Xuhong He Xuanyu Liu Yuhui Wang Yan Wei Ziwei Liang Di Huang Department of Biomedical Engineering Research Center for Nano-biomaterials&Regenerative MedicineCollege of Biomedical EngineeringTaiyuan University of TechnologyTaiyuan 030024China Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering Taiyuan 030032China

Black phosphorus(BP),a novel two dimensional material,exhibits remarkable photoelectric characteristics,ultrahigh photothermal conversion efficiency,substantial specific surface area,high carrier mobility,and tunable band gap *** attributes have positioned it as a promising candidate in domains such as energy,medicine,and the ***,its vulnerability to light,oxygen,and water can lead to rapid degradation and loss of crystallinity,thereby limiting its synthesis,preservation,and ***,BP has demonstrated cytotoxic tendencies,substantially constraining its viability in the realm of ***,the imperative for surface modification arises to bolster its stability and biocompatibility,while concurrently expanding its utility *** macromolecules,integral components of living organisms,proffer innate advantages over chemical agents and polymers for the purpose of the BP *** review comprehensively surveys the advancements in utilizing biological macromolecules for the modifications of *** doing so,it aims to pave the way for enhanced stability,biocompatibility,and diversified applications of this material.

关键词： blackphosphorus tumor therapy biocompatibility surface modification biomacromolecule