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相关概念视频

Somatic to iPS Cell Reprogramming01:29

Somatic to iPS Cell Reprogramming

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Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012...
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Introduction to Nuclear Reprogramming01:14

Introduction to Nuclear Reprogramming

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Nuclear reprogramming is the process of switching gene expression of one cell type to that of another cell type, usually from a differentiated cell state to an undifferentiated cell state. Differentiation occurs during processes such as development and morphogenesis, tissue regeneration, and malignancy. Cells can also be artificially induced to reprogram their gene expression by techniques such as nuclear transfer, induced pluripotency, and cell fusion. Such techniques have many applications in...
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Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell’s original gene expression pattern. Such epigenetic changes force cells to express a different set of genes, which play a significant role in inducing transformation into other cell types. Nuclear reprogramming offers applications in reproductive cloning for livestock propagation and regenerative medicine — developing patient-specific cells for...
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Regeneration is the process of restoring injured or lost tissues, organs, or body parts. While simpler organisms generally show greater ability to regenerate their whole body, few complex animals show similarly exceptional regeneration. For example, planarian flatworms have a unique regenerative potential making them a popular study organism among biologists to understand the mechanisms of whole body regeneration. Other organisms, such as hydra, also show extreme regeneration potential;...
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The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.
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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.
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相关实验视频

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Evaluation of Injury-induced Senescence and In Vivo Reprogramming in the Skeletal Muscle
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部分细胞重编程:深入研究一个新兴的再生技术.

Patrick T Paine1,2, Ada Nguyen3, Alejandro Ocampo1,4

  • 1Department of Biomedical Sciences, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Vaud, Switzerland.

Aging cell
|December 1, 2023
PubMed
概括

部分细胞重编程提供了一种新的策略来对抗衰老和与年龄相关的疾病,通过在不改变细胞身份的情况下使细胞复原. 这种方法对于与年龄相关的疾病具有显著的治疗潜力.

关键词:
衰老的衰老 衰老的衰老衰老的标志 衰老的标志寿命长度 寿命长度部分细胞重新编程青春复兴 复兴 复兴

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科学领域:

  • 老年学和再生医学是老年学和再生医学.
  • 细胞生物学和表观遗传学

背景情况:

  • 衰老和与年龄相关的疾病是全球健康面临的重大挑战.
  • 细胞重编程提供了一个影响细胞命运和衰老的生物机制.
  • 部分细胞重编程的目的是实现没有脱差的再生.

研究的目的:

  • 探索部分细胞重编程对衰老的好处.
  • 检查当前部分细胞重编程策略的局限性.
  • 讨论细胞重编程在衰老中的治疗应用的未来方向.

主要方法:

  • 对关于细胞重编程和衰老的现有文献的审查.
  • 对研究部分细胞重编程技术的研究进行分析.
  • 探索细胞年龄逆转背后的分子机制.

主要成果:

  • 部分细胞重编程表明,有可能逆转细胞年龄标志物.
  • 现有策略可以利用复苏的好处,同时保持细胞的身份.
  • 将这些发现转化为临床应用仍然存在挑战.

结论:

  • 部分细胞重编程是一种有前途的治疗途径,用于与年龄有关的疾病.
  • 需要进一步的研究来克服局限性和优化安全.
  • 这个领域提供了重要的翻译和商业机会.