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Embryonic Stem Cells00:57

Embryonic Stem Cells

3.8K
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...
3.8K
Source And Potency Of Stem Cells01:27

Source And Potency Of Stem Cells

5.2K
Stem cells are undifferentiated cells with extensive self-renewal properties that help them maintain their population during the fetal and adult stages of life. They can specialize in all cell types of the human body. However, their differential potential may vary and can be classified into five types. Stem cells can be (1) Totipotent, (2) Pluripotent, (3) Multipotent, (4) Oligopotent, and (5) Unipotent. Each stem cell has a specific origin; the fertilized egg or zygote is a totipotent cell and...
5.2K
Stem Cell Culture01:17

Stem Cell Culture

5.5K
Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
5.5K
Adult Stem Cells01:33

Adult Stem Cells

30.7K
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...
30.7K
Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

4.2K
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...
4.2K
Multipotency of Hematopoietic Stem Cells01:19

Multipotency of Hematopoietic Stem Cells

3.3K
The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
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Updated: Oct 1, 2025

Author Spotlight: Importance of Single Cell Sorting in Isolating Purified Populations of Mesenchymal Stem Cells
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Author Spotlight: Importance of Single Cell Sorting in Isolating Purified Populations of Mesenchymal Stem Cells

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幹細胞とは

A Vats1, R C Bielby, N S Tolley

  • 1Tissue Engineering and Regenerative Medicine Centre, Imperial College London, Chelsea and Westminster Campus, London, UK. a.vats@imperial.ac.uk

Lancet (London, England)
|August 16, 2005
PubMed
まとめ
この要約は機械生成です。

大人および胚性幹細胞は治療に有望だが,広範な臨床使用にはさらなる研究が必要である. 彼らの特徴を比較することは,再生医療のアプリケーションのための最良のソースを決定するために非常に重要です.

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Induced Pluripotent Stem Cell Generation from Blood Cells Using Sendai Virus and Centrifugation
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Isolating Stem Cells from Soft Musculoskeletal Tissues
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関連する実験動画

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Author Spotlight: Importance of Single Cell Sorting in Isolating Purified Populations of Mesenchymal Stem Cells
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Author Spotlight: Importance of Single Cell Sorting in Isolating Purified Populations of Mesenchymal Stem Cells

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Induced Pluripotent Stem Cell Generation from Blood Cells Using Sendai Virus and Centrifugation
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Induced Pluripotent Stem Cell Generation from Blood Cells Using Sendai Virus and Centrifugation

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Isolating Stem Cells from Soft Musculoskeletal Tissues
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科学分野:

  • 再生医学は,再生医療である.
  • 幹細胞生物学 幹細胞生物学
  • バイオメディカルリサーチ

背景:

  • 大人および胚性幹細胞は,重要な治療的可能性を秘めています.
  • 広範な臨床適用の前に,広範な研究が必要である.
  • 大人の幹細胞と胚性幹細胞の適性について,重要な議論がある.

研究 の 目的:

  • 成体幹細胞と胚性幹細胞を比較・対比する.
  • 幹細胞情報源に関する議論を促すことができる特徴を特定する.
  • 異なる種類の幹細胞の臨床使用の合理化を図る.

主な方法:

  • 成体幹細胞と胚性幹細胞の特徴の比較分析.
  • アクセシビリティ,頻度,豊富さ,および効力の評価.
  • 倫理的考慮と潜在的なリスクの評価.

主要な成果:

  • アクセシビリティは様々で,神経幹細胞は生きたドナーから入手するのが難しい.
  • 成人幹細胞の属性は,数値や効力などの年齢や病気で低下する可能性があります.
  • 胚性幹細胞をめぐる倫理的な懸念があり,治療用クローニングはしばしば誤って表現されています.

結論:

  • 幹細胞の安定性,病原体伝播,およびテロトーマのリスクを完全に評価するためにさらなる研究が必要です.
  • 成体幹細胞と胚性幹細胞の包括的な比較は,臨床意思決定に不可欠である.
  • 倫理的な問題に対処し,誤解を解明することは,幹細胞治療の進歩に不可欠です.