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| 1 | 诱导多能干细胞在治疗阿尔茨海默病中的应用进展显示文摘阿尔茨海默病(AD)是常见的慢性神经退行性疾病之一,主要表现为β淀粉样蛋白(Aβ)沉积、tau蛋白过度磷酸化及神经元和突触丢失等。目前已被批准的药物只能减缓症状,无法完全治愈本病。干细胞具有特殊的自我更新、增殖、分化和重新编程能力,特别是近年来开发的诱导多能干细胞(iPSCs)为AD的治疗提供了一个新的研究策略。iPSCs技术与基因编辑、3D类器官、生物材料支架相结合,产生了一种认识和治疗AD的新方法。该文就iPSCs疾病建模应用于AD发病机制研究及早期生物标志物检测、iPSCs与3D支架结合的细胞治疗,以及iPSCs应用于高通量药物筛选等方面的研究进展进行综述。 | 李梦洁 章丽娜 商迎辉 黄汉昌 劳凤学 | 2021 | 解放军医学杂志2021,46,2: | 4 |
| 2 | 神经干细胞、成体神经发生以及神经变性疾病的细胞移植治疗显示文摘成体哺乳动物的神经元是退出细胞周期的终末分化细胞,因此长期以来神经系统被认为缺乏再生能力。自神经干细胞(neural stem cells,NSCs)及神经发生在许多物种尤其哺乳动物的成体中被广泛发现和证实后,成体中枢神经系统的可塑性和神经发生的机制和功能成为神经科学研究的热点,神经干细胞的基因组在多种表观遗传因子和微环境的共同调节下,在特定时间和空间中表达出特异的RNA及蛋白质。新生神经细胞经过增殖、分化、迁移、整合并最终成熟为特化的神经细胞,这一过程即为成体神经发生。成体哺乳动物脑中的神经发生贯穿整个生命周期,且已在侧脑室的室管膜下区(subventricular zone,SVZ)和海马齿状回(dentate gyrus,DG)的颗粒下区(subgranular zone,SGZ)被明确证实。成体神经发生受到多种生理和病理因素的调控,与嗅球和海马等脑区的功能密切相关。移植神经干细胞治疗中枢神经系统(central nervous system,CNS)变性疾病被广泛研究并且在临床前实验中有明显的治疗效果。然而,成体神经发生的分子机制尚不明确,尤其新生神经细胞如何与CNS的神经细胞、免疫细胞、以及微环境相互作用而发挥治疗作用需要深入研究。此外,神经干细胞移植疗法还需要解决神经干细胞来源、体外培养技术、免疫排斥、移植剂量、脑部定位以及各种疾病治疗的最佳时间窗口选择等问题。总之,深入了解神经干细胞及神经发生的机制不仅会极大地推动神经科学的基础研究,也为CNS相关疾病提供了新的有效的治疗方案,有着广阔的理论和应用前景。 | 汪伦政 谢文娟 唐铁山 | 2015 | 神经药理学报2015,5,3: | 2 |
| 3 | 神经干细胞移植在神经退行性疾病中的研究进展显示文摘神经退行性疾病是一类可导致感觉丧失、运动功能丧失和记忆衰竭等症状的难治性疾病,传统治疗方法虽能延缓疾病进展,但局限性明显。而神经干细胞移植作为一种潜在的新型治疗方式能够有效促进神经细胞的功能恢复及组织再生,在神经退行性疾病的治疗应用方面前景广阔。因此,本文通过对神经干细胞的现有来源及其在神经退行性疾病治疗中的研究进展进行综述,以期为神经干细胞移植在神经退行性疾病治疗中的应用提供新的思路。 | 郭文文 赵亚 白敏 张延英 王颖花 汪永锋 师长宏 | 2022 | 中国实验动物学报2022,30,2: | 1 |
| 4 | Advances in cell lineage reprogramming显示文摘As a milestone breakthrough of stem cell and regenerative medicine in recent years,somatic cell reprogramming has opened up new applications of regenerative medicine by breaking through the ethical shackles of embryonic stem cells.However,induced pluripotent stem(iPS) cells are prepared with a complicated protocol that results in a low reprogramming rate.To obtain differentiated target cells,iPS cells and embryonic stem cells still need to be induced using step-by-step procedures.The safety of induced target cells from iPS cells is currently a further concerning matter.More broadly conceived is lineage reprogramming that has been investigated since 1987.Adult stem cell plasticity,which triggered interest in stem cell research at the end of the last century,can also be included in the scope of lineage reprogramming.With the promotion of iPS cell research,lineage reprogramming is now considered as one of the most promising fields in regenerative medicine,will hopefully lead to customized,personalized therapeutic options for patients in the future. | ZHOU JunNian YUE Wen PEI XueTao | 2013 | Science China(Life Sciences)2013,56,3: | 1 |
| 5 | 细胞基因重编程在中枢神经损伤修复中的应用显示文摘神经干细胞移植替代治疗已经成为治疗中枢神经损伤的一个重要手段,但其细胞来源由于伦理学和免疫排斥等问题而受到了限制。既往研究认为,非神经细胞不能转变成神经细胞。但诱导型多潜能干细胞出现之后,研究发现,通过细胞基因重编程技术可以将鼠和人的自身体细胞诱导转分化为神经干细胞或各种类型的神经元,从而避免了细胞移植治疗中相关的伦理学问题和免疫排斥反应,表明细胞基因重编程在中枢神经损伤修复中具有很好的应用前景。本文对细胞基因重编程技术在诱导神经干细胞或神经元形成方面的相关研究进展及其在中枢神经损伤修复中的应用进行了综述。 | 孙秀 袁一旻 胡昕 秦尚尧 苏志达 | 2016 | 第二军医大学学报2016,37,6: | 1 |
| 6 | Cell reprogramming therapy for Parkinson’s disease显示文摘Parkinson’s disease is typically characterized by the progressive loss of dopaminergic neurons in the substantia nigra pars compacta.Many studies have been performed based on the supplementation of lost dopaminergic neurons to treat Parkinson’s disease.The initial strategy for cell replacement therapy used human fetal ventral midbrain and human embryonic stem cells to treat Parkinson’s disease,which could substantially alleviate the symptoms of Parkinson’s disease in clinical practice.However,ethical issues and tumor formation were limitations of its clinical application.Induced pluripotent stem cells can be acquired without sacrificing human embryos,which eliminates the huge ethical barriers of human stem cell therapy.Another widely considered neuronal regeneration strategy is to directly reprogram fibroblasts and astrocytes into neurons,without the need for intermediate proliferation states,thus avoiding issues of immune rejection and tumor formation.Both induced pluripotent stem cells and direct reprogramming of lineage cells have shown promising results in the treatment of Parkinson’s disease.However,there are also ethical concerns and the risk of tumor formation that need to be addressed.This review highlights the current application status of cell reprogramming in the treatment of Parkinson’s disease,focusing on the use of induced pluripotent stem cells in cell replacement therapy,including preclinical animal models and progress in clinical research.The review also discusses the advancements in direct reprogramming of lineage cells in the treatment of Parkinson’s disease,as well as the controversy surrounding in vivo reprogramming.These findings suggest that cell reprogramming may hold great promise as a potential strategy for treating Parkinson’s disease. | Wenjing Dong Shuyi Liu Shangang Li Zhengbo Wang | 2024 | Neural Regeneration Research2024,19,11: | 0 |
| 7 | 细胞谱系重编程研究进展显示文摘重编程研究是近年来干细胞与再生医学领域中里程碑式的研究突破,打破了人胚胎干细胞研究带来的伦理桎梏,为再生医学临床应用带来了一片新天地.但诱导性多能干细胞(induced pluripotent stem cells,iPS)制作过程繁琐,重编程效率偏低,且仍需如同胚胎干细胞一样,经过步步诱导分化而获得目的细胞,最关键的是,目的细胞的安全性问题仍亟待解决.谱系重编程,在广义的角度上来说,至少从1987年即已展开,20世纪末引发成体干细胞研究热潮的'可塑性'研究也可归为谱系重编程研究,在iPS重编程研究的推动下,谱系重编程技术正在蓬勃发展,并被再生医学研究者给予了厚望,尤其是在可预见的将来,其在个体化治疗上具有的优势将不可比拟. | 周军年 岳文 裴雪涛 | 2013 | 中国科学:生命科学2013,43,1: | 0 |
| 8 | 重塑大脑:中枢神经系统不同神经元的直接转化显示文摘胚胎发育期处于多向分化状态的干细胞受进行性表观遗传调控,以确保干细胞顺利不可逆分化为目标细胞.体细胞核移植实验、细胞融合实验以及最近的诱导多功能干细胞(induced pluripotent stem cell,iPSC)技术表明,完全分化的细胞能够回复到多能分化状态,这一过程被称为胞核重编程[1].另外,已分化细胞也可以不通过产生祖细胞直接转化到另一类型,这一现象被称为细胞类型的直接转化(direct lineage conversion),在中枢神经系统常常观察到细胞类型的直接转化现象.本文综述了近年在细胞类型直接转化领域的研究进展及其可能的临床应用. | 路芳 胡伟 刘雅 | 2015 | 神经解剖学杂志2015,31,1: | 0 |
| 9 | The 2013 special issue on stem cell biology显示文摘 | Dangsheng Li | 2013 | Cell Research2013,23,1: | 0 |
| 10 | 中枢神经原位再生技术及其治疗前景显示文摘中枢神经再生长期以来一直是成年哺乳类动物大脑损伤或者发生退行性病变后悬而未决的世界性难题.在过去的数十年里,干细胞疗法在神经再生领域取得了一系列成果,同时也遇到了重大挑战.近些年兴起的中枢神经原位再生技术利用内源性的胶质细胞可以自我分裂再生的特点,通过表达神经转录因子或其他方法将胶质细胞原位转化为功能性神经元,避免了建立体外干细胞库的高成本和外源细胞移植的问题.本文总结了目前国内外运用体内胶质细胞进行原位神经再生的前沿进展,着重介绍了中枢神经原位再生技术在治疗重大脑疾病,包括脑卒中、阿尔茨海默症、帕金森病、亨廷顿舞蹈症以及视觉系统疾病和脊髓损伤等方面的潜在应用前景.虽然该技术还处在摇篮阶段,并且像任何新技术一样都有它自身的局限性,但是本团队在灵长类脑卒中模型上已经证明了中枢神经原位再生的可行性,为将来进一步的临床研究开辟了一条新途径. | 王青松 李雯 雷文亮 陈蔚祎 郑嘉骏 项宗勤 刘敏慧 何情 徐亮 李智飞 王陶 吴政 陈功 | 2022 | 中国科学:生命科学2022,52,10: | 0 |
| 11 | 帕金森病的细胞治疗研究进展显示文摘干细胞为治疗帕金森病提供了新的希望.目前用于研究的干细胞主要有神经干细胞、胚胎干细胞、诱导多功能干细胞、间充质干细胞等.本文回顾了上述细胞在移植治疗帕金森病研究中的进展,并介绍了近期出现的将体细胞直接重编程为神经细胞或神经干细胞的新技术. | 吴剑宇 张愚 陈志国 | 2015 | 中国科学:生命科学2015,45,4: | 0 |
| 12 | 转录因子Ascl1诱导体细胞重编程为神经元的研究进展显示文摘转录因子Ascl1可将体细胞重编程为诱导神经元,包括将成纤维细胞、星形胶质细胞、Müller胶质细胞等体细胞重编程为不同的神经元亚型(多巴胺能神经元、氨基酸类神经元等)。该过程的机制较为繁琐复杂,其中涉及了分级机制及转录水平的变化。该文主要对Ascl1诱导体细胞重编程为神经元的研究展开综述。 | 张莹丹 陈莉 | 2023 | 华中科技大学学报(医学版)2023,52,6: | 0 |
| 13 | Generation of diverse neural cell types through direct conversion显示文摘A characteristic of neurological disorders is the loss of critical populations of cells that the body is unable to replace,thus there has been much interest in identifying methods of generating clinically relevant numbers of cells to replace those that have been damaged or lost.The process of neural direct conversion,in which cells of one lineage are converted into cells of a neural lineage without first inducing pluripotency,shows great potential,with evidence of the generation of a range of functional neural cell types both in vitro and in vivo,through viral and non-viral delivery of exogenous factors,as well as chemical induction methods.Induced neural cells have been proposed as an attractive alternative to neural cells derived from embryonic or induced pluripotent stem cells,with prospective roles in the investigation of neurological disorders,including neurodegenerative disease modelling,drug screening,and cellular replacement for regenerative medicine applications,however further investigations into improving the efficacy and safety of these methods need to be performed before neural direct conversion becomes a clinically viable option.In this review,we describe the generation of diverse neural cell types via direct conversion of somatic cells,with comparison against stem cell-based approaches,as well as discussion of their potential research and clinical applications. | Gayle F Petersen Padraig M Strappe | 2016 | World Journal of Stem Cells2016,8,2: | 0 |
| 14 | 核受体相关蛋白1基因慢病毒载体的构建显示文摘目的构建使用绿色荧光蛋白(GFP)标记的核受体相关蛋白1 (nuclear receptor related 1 protein,Nurr1)慢病毒表达载体(DCE-Nurr1)并鉴定。方法使用引物设计软件Primier5设计基因Nurr1引物并采用聚合酶链反应(PCR)对其进行扩增,利用XbaI和Not I分别将基因Nurr1和载体pCDH-CMV-MCS-EF1-copGFP进行双酶切,利用T4链接酶将已酶切的基因Nurr1和已酶切的载体pCDH-CMV-MCS-EF1-copGFP连接起来,完成慢病毒表达载体的构建。结果通过PCR成功地扩增了Nurr1基因并连接到载体pCDHCMV-MCS-EF1-copGFP上,序列与GenBank登记的序列一致。结论成功构建DCE-Nurr1慢病毒表达载体,为进一步在体内或体外研究Nurr1基因功能及其对多巴胺神经元的保护作用提供了基础。 | 林海 王向鹏 王威 徐蛟天 陈孝祥 宋晓斌 杨智勇 邓兴力 | 2018 | 昆明医科大学学报2018,39,11: | 0 |