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相关概念视频

Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

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Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their...
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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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相关实验视频

Updated: May 3, 2026

Preparation of Intact Bovine Tail Intervertebral Discs for Organ Culture
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Preparation of Intact Bovine Tail Intervertebral Discs for Organ Culture

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一个基于人类原始细胞的组织设计的椎间盘

Sage S Frehner1,2, Matthew Fainor3,4, Galina Dulatov1

  • 1DiscGenics, Salt Lake City, Utah, USA.

Tissue engineering. Part A
|September 5, 2025
PubMed
概括
此摘要是机器生成的。

来自细胞核和纤维环的磁盘原生细胞显示出组织工程间椎间盘替代的前景. 这些细胞与中细胞相比产生更优,更稳定的替代体,

关键词:
纤维状环电脚手架水凝介质层细胞细胞核

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Generation and Grafting of Tissue-engineered Vessels in a Mouse Model
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A Proinflammatory, Degenerative Organ Culture Model to Simulate Early-Stage Intervertebral Disc Disease.
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相关实验视频

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科学领域:

  • 复原医学
  • 生物材料科学
  • 骨科研究

背景情况:

  • 脊椎间盘 (IVD) 退化导致腰部疼痛,组织工程提供潜在的再生疗法.
  • 在IVD修复方面广泛研究中,但尚未获得FDA批准的治疗方法.
  • 目前的研究缺乏3D培养中的光盘原生细胞行为及其对细胞外基质沉积的影响.

研究的目的:

  • 描述人类核脉细胞 (NP) 和纤维环细胞 (AF) 的光盘原生细胞.
  • 与MSC相比,评估光盘细胞在组织工程IVD替代物 (eDAPS) 的有效性.
  • 评估二维与三维培养扩张对光盘细胞行为和矩阵沉积的影响.

主要方法:

  • 在2D或3D培养中扩展了Discogenic NP和AF原始细胞.
  • 组织工程IVD替代品 (eDAPS) 使用光盘细胞或MSC (山羊/人类) 制造.
  • 分析了eDAPS的细胞外基质沉积,区域表型稳定性和机械性质.

主要成果:

  • 与MSC相比,Discogenic细胞总体上沉积了更多的细胞外基质.
  • 在NP和AF discogenic细胞衍生的eDAPS之间,矩阵沉积是不同的,在区域内具有更大的同质性.
  • 与MSC衍生的eDAPS不同的是,Discogenic细胞显示了最小的原X沉积,这表明一种更稳定的表型,耐高化和化.

结论:

  • 人类的磁盘性NP和AF细胞是创造活体,完整的IVD替代细胞 (eDAPS) 的可行和优质细胞来源.
  • 与基于MSC的eDAPS相比,来自光盘细胞的eDAPS表现出更好的组成和机械特性.
  • 这些发现支持光盘细胞开发用于退行性光盘疾病和相关腰部疼痛的有效治疗的潜力.