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相关概念视频

Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
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Adult Stem Cells01:33

Adult Stem Cells

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Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
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Embryonic Stem Cells00:58

Embryonic Stem Cells

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Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
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Embryonic Stem Cells00:57

Embryonic Stem Cells

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Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
ES cells are grown in a culture medium where they can divide indefinitely, creating ES cell lines. Under certain conditions, ES cells can differentiate, either spontaneously into a variety of...
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Induced Pluripotent Stem Cells01:13

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Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore...
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Distinctive Features of Adult Stem Cells vs Cancer Stem Cells01:18

Distinctive Features of Adult Stem Cells vs Cancer Stem Cells

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A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells.
Adult stem cells
Adult stem cells are tissue-specific; hence, they divide to develop the tissue from which they originate. One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of the skin. Adult bone marrow has three distinct types of stem cells:...
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Updated: Feb 4, 2026

Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
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Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells

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生物酶单细胞微封装用于增强干细胞治疗.

Leyan Xuan1, Tingting Lu2, Yingying Hou1

  • 1Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China.

Bioactive materials
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PubMed
概括
此摘要是机器生成的。

一种新的生物酶学方法创造了单细胞微凝,用于先进的细胞疗法. 这种方法在心肌梗塞和肺纤维化模型中提高了细胞活力和治疗效果.

关键词:
生物酶策略是一种生物酶策略.生物医学工程 生物医学工程单细胞微凝是一种单细胞微凝.干细胞治疗 干细胞治疗

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Efficient Neural Differentiation using Single-Cell Culture of Human Embryonic Stem Cells
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Efficient Neural Differentiation using Single-Cell Culture of Human Embryonic Stem Cells

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CRISPR/Cas9 Gene Editing of Hematopoietic Stem and Progenitor Cells for Gene Therapy Applications
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科学领域:

  • 生物材料工程 生物材料工程
  • 再生医学是一种再生医学.
  • 细胞疗法细胞疗法

背景情况:

  • 目前的单细胞微凝技术在细胞活力和功能方面面临挑战.
  • 现有的方法通常需要复杂的微流体或表面修改.

研究的目的:

  • 开发一种简单的生物酶策略,用于制造单细胞微凝.
  • 为了实现各种细胞类型和生物材料的高活力封装,而无需使用恶劣化学品.
  • 评估这种新的微凝平台在疾病模型中的治疗潜力.

主要方法:

  • 利用微生物转质胺酶吸附用于表面活性剂和无油微凝制造工艺.
  • 实现了100%的封装效率和封装细胞的强大的机械保护.
  • 在使用微凝封装的介质干细胞 (MSC) 的心肌梗塞 (MI) 和肺纤维化 (PF) 模型中评估治疗疗效.

主要成果:

  • 证明了各种细胞类型和生物材料的通用,高活性的封装.
  • 在MI模型中,微凝封装的MSC (MSC-SCM) 显著改善了细胞保留和存活率,增强了组织再生和心脏功能.
  • 在PF模型中,含有TNF-α的MSC-SCM增强了MMP-13的分泌,改善呼吸功能和减少纤维化病变.

结论:

  • 开发的生物酶策略为先进的细胞疗法提供了一个强大且普遍适用的平台.
  • 这种单细胞微凝技术克服了现有的封装方法的局限性.
  • 该平台在临床前疾病模型中显示出强大的治疗效果,突出显示了其临床转化潜力.