背景:对于牙槽骨缺损的再生修复,研究一种促进牙槽骨再生且具有良好性能的材料,对于治疗牙槽骨缺损有着重要意义。目的:汇总近5年有关牙槽骨缺损再生修复的研究,对新材料和新药物进行分类介绍,从而掌握相关领域的最新进展。方法:以“Alv...背景:对于牙槽骨缺损的再生修复,研究一种促进牙槽骨再生且具有良好性能的材料,对于治疗牙槽骨缺损有着重要意义。目的:汇总近5年有关牙槽骨缺损再生修复的研究,对新材料和新药物进行分类介绍,从而掌握相关领域的最新进展。方法:以“Alveolar bone,alveolar bone defect,alveolar bone regeneration,mechanism,biomaterials,nanoscaffolds,hydrogels,medications,anti-inflammatory drugs,simvastatin,metformin,traditional Chinese medicine,growth factor,stem cell”为英文关键词在PubMed数据库检索,以“牙槽骨,牙槽骨缺损,牙槽骨再生,机制,生物材料,纳米支架,水凝胶,药物治疗,抗炎药物,辛伐他汀,二甲双胍,中药,生长因子,干细胞”为中文关键词在中国知网进行检索,通过筛选最终共得到117篇文献进行综述分析。结果与结论:生物材料的应用既为牙槽骨再生提供支架结构,也可以作为骨替代物修复骨缺损;西药和中药的局部与全身应用可以控制炎症,促进骨再生;负载有各种生长因子的材料具有成骨作用,可以促进牙槽骨缺损的修复;干细胞组织工程的种子细胞具有成骨、成纤维的作用,可以分化为成骨细胞,生成新生骨质。近几年的研究热衷于对以上几种方法的结合使用,研发出新的具有良好生物相容性、可缓慢释放功能药物或材料,来促进牙槽骨缺损的再生修复。展开更多
Parkinson’s disease(PD),characterized by loss of nigrostriatal dopaminergic neurons,is one of the most predominant neurodegenerative diseases affecting the elderly population worldwide.The concept of stem cell therap...Parkinson’s disease(PD),characterized by loss of nigrostriatal dopaminergic neurons,is one of the most predominant neurodegenerative diseases affecting the elderly population worldwide.The concept of stem cell therapy in managing neurodegenerative diseases has evolved over the years and has recently rapidly progressed.Neural stem cells(NSCs)have a few key features,including selfrenewal,proliferation,and multipotency,which make them a promising agent targeting neurodegeneration.It is generally agreed that challenges for NSC-based therapy are present at every stage of the transplantation process,including preoperative cell preparation and quality control,perioperative procedures,and postoperative graft preservation,adherence,and overall therapy success.In this review,we provided a comprehensive,careful,and critical discussion of experimental and clinical data alongside the pros and cons of NSC-based therapy in PD.Given the state-of-the-art accomplishments of stem cell therapy,gene therapy,and nanotechnology,we shed light on the perspective of complementing the advantages of each process by developing nano-stem cell therapy,which is currently a research hotspot.Although various obstacles and challenges remain,nano-stem cell therapy holds promise to cure PD,however,continuous improvement and development from the stage of laboratory experiments to the clinical application are necessary.展开更多
文摘背景:对于牙槽骨缺损的再生修复,研究一种促进牙槽骨再生且具有良好性能的材料,对于治疗牙槽骨缺损有着重要意义。目的:汇总近5年有关牙槽骨缺损再生修复的研究,对新材料和新药物进行分类介绍,从而掌握相关领域的最新进展。方法:以“Alveolar bone,alveolar bone defect,alveolar bone regeneration,mechanism,biomaterials,nanoscaffolds,hydrogels,medications,anti-inflammatory drugs,simvastatin,metformin,traditional Chinese medicine,growth factor,stem cell”为英文关键词在PubMed数据库检索,以“牙槽骨,牙槽骨缺损,牙槽骨再生,机制,生物材料,纳米支架,水凝胶,药物治疗,抗炎药物,辛伐他汀,二甲双胍,中药,生长因子,干细胞”为中文关键词在中国知网进行检索,通过筛选最终共得到117篇文献进行综述分析。结果与结论:生物材料的应用既为牙槽骨再生提供支架结构,也可以作为骨替代物修复骨缺损;西药和中药的局部与全身应用可以控制炎症,促进骨再生;负载有各种生长因子的材料具有成骨作用,可以促进牙槽骨缺损的修复;干细胞组织工程的种子细胞具有成骨、成纤维的作用,可以分化为成骨细胞,生成新生骨质。近几年的研究热衷于对以上几种方法的结合使用,研发出新的具有良好生物相容性、可缓慢释放功能药物或材料,来促进牙槽骨缺损的再生修复。
基金Supported by Narodowe Centrum Nauki,No.2021/42/E/NZ7/00246.
文摘Parkinson’s disease(PD),characterized by loss of nigrostriatal dopaminergic neurons,is one of the most predominant neurodegenerative diseases affecting the elderly population worldwide.The concept of stem cell therapy in managing neurodegenerative diseases has evolved over the years and has recently rapidly progressed.Neural stem cells(NSCs)have a few key features,including selfrenewal,proliferation,and multipotency,which make them a promising agent targeting neurodegeneration.It is generally agreed that challenges for NSC-based therapy are present at every stage of the transplantation process,including preoperative cell preparation and quality control,perioperative procedures,and postoperative graft preservation,adherence,and overall therapy success.In this review,we provided a comprehensive,careful,and critical discussion of experimental and clinical data alongside the pros and cons of NSC-based therapy in PD.Given the state-of-the-art accomplishments of stem cell therapy,gene therapy,and nanotechnology,we shed light on the perspective of complementing the advantages of each process by developing nano-stem cell therapy,which is currently a research hotspot.Although various obstacles and challenges remain,nano-stem cell therapy holds promise to cure PD,however,continuous improvement and development from the stage of laboratory experiments to the clinical application are necessary.
