目的总结微小RNA(microRNA,miRNA)在胃癌干细胞(gastric cancer stem cells,GCSCs)侵袭、转移及化疗耐药中的干性调控机制,探讨基于miRNA靶向GCSCs的抗肿瘤治疗措施。方法收集近几年国内外有关miRNA与GCSCs研究进展的相关文献并进行综...目的总结微小RNA(microRNA,miRNA)在胃癌干细胞(gastric cancer stem cells,GCSCs)侵袭、转移及化疗耐药中的干性调控机制,探讨基于miRNA靶向GCSCs的抗肿瘤治疗措施。方法收集近几年国内外有关miRNA与GCSCs研究进展的相关文献并进行综述。结果miRNA可通过参与相关靶基因的表达,从而调控GCSCs的增殖、凋亡、分化、上皮-间充质转化等一系列重要细胞过程,与胃癌患者的不良预后和高死亡率有关,通过沉默或恢复GCSCs的候选miRNA表达可为胃癌治疗提供一种新颖且有前景的方式。结论GCSCs与胃癌的恶性生物学行为有着重要的关系,且研究证实miRNA在GCSCs中起着重要的调控作用。因此,miRNA可作为胃癌治疗的潜在靶标,通过调控特定miRNA的表达可以抑制肿瘤侵袭转移以及提高化疗药物的敏感性。展开更多
Wound repair is a complex challenge for both clinical practitioners and researchers.Conventional approaches for wound repair have several limitations.Stem cell-based therapy has emerged as a novel strategy to address ...Wound repair is a complex challenge for both clinical practitioners and researchers.Conventional approaches for wound repair have several limitations.Stem cell-based therapy has emerged as a novel strategy to address this issue,exhibiting significant potential for enhancing wound healing rates,improving wound quality,and promoting skin regeneration.However,the use of stem cells in skin regeneration presents several challenges.Recently,stem cells and biomaterials have been identified as crucial components of the wound-healing process.Combination therapy involving the development of biocompatible scaffolds,accompanying cells,multiple biological factors,and structures resembling the natural extracellular matrix(ECM)has gained considerable attention.Biological scaffolds encompass a range of biomaterials that serve as platforms for seeding stem cells,providing them with an environment conducive to growth,similar to that of the ECM.These scaffolds facilitate the delivery and application of stem cells for tissue regeneration and wound healing.This article provides a comprehensive review of the current developments and applications of biological scaffolds for stem cells in wound healing,emphasizing their capacity to facilitate stem cell adhesion,proliferation,differentiation,and paracrine functions.Additionally,we identify the pivotal characteristics of the scaffolds that contribute to enhanced cellular activity.展开更多
文摘目的总结微小RNA(microRNA,miRNA)在胃癌干细胞(gastric cancer stem cells,GCSCs)侵袭、转移及化疗耐药中的干性调控机制,探讨基于miRNA靶向GCSCs的抗肿瘤治疗措施。方法收集近几年国内外有关miRNA与GCSCs研究进展的相关文献并进行综述。结果miRNA可通过参与相关靶基因的表达,从而调控GCSCs的增殖、凋亡、分化、上皮-间充质转化等一系列重要细胞过程,与胃癌患者的不良预后和高死亡率有关,通过沉默或恢复GCSCs的候选miRNA表达可为胃癌治疗提供一种新颖且有前景的方式。结论GCSCs与胃癌的恶性生物学行为有着重要的关系,且研究证实miRNA在GCSCs中起着重要的调控作用。因此,miRNA可作为胃癌治疗的潜在靶标,通过调控特定miRNA的表达可以抑制肿瘤侵袭转移以及提高化疗药物的敏感性。
基金Supported by CAMS Innovation Fund for Medical Sciences,No.2020-I2M-C&T-A-004National High Level Hospital Clinical Research Funding,No.2022-PUMCH-A-210,No.2022-PUMCH-B-041,and No.2022-PUMCH-C-025and National Key R&D Program of China,No.2020YFE0201600.
文摘Wound repair is a complex challenge for both clinical practitioners and researchers.Conventional approaches for wound repair have several limitations.Stem cell-based therapy has emerged as a novel strategy to address this issue,exhibiting significant potential for enhancing wound healing rates,improving wound quality,and promoting skin regeneration.However,the use of stem cells in skin regeneration presents several challenges.Recently,stem cells and biomaterials have been identified as crucial components of the wound-healing process.Combination therapy involving the development of biocompatible scaffolds,accompanying cells,multiple biological factors,and structures resembling the natural extracellular matrix(ECM)has gained considerable attention.Biological scaffolds encompass a range of biomaterials that serve as platforms for seeding stem cells,providing them with an environment conducive to growth,similar to that of the ECM.These scaffolds facilitate the delivery and application of stem cells for tissue regeneration and wound healing.This article provides a comprehensive review of the current developments and applications of biological scaffolds for stem cells in wound healing,emphasizing their capacity to facilitate stem cell adhesion,proliferation,differentiation,and paracrine functions.Additionally,we identify the pivotal characteristics of the scaffolds that contribute to enhanced cellular activity.
