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関連する概念動画

Embryonic Stem Cells00:57

Embryonic Stem Cells

5.5K
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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Embryonic Stem Cells00:58

Embryonic Stem Cells

33.0K
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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Stem Cell Culture01:17

Stem Cell Culture

6.2K
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...
6.2K
Induced Pluripotent Stem Cells01:06

Induced Pluripotent Stem Cells

5.7K
Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic...
5.7K
Induced Pluripotent Stem Cells01:13

Induced Pluripotent Stem Cells

28.2K
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...
28.2K
Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

5.7K
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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関連する実験動画

Updated: Feb 22, 2026

Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats
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Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats

Published on: March 30, 2018

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幹細胞と野生生物の保護

Gabriela Mastromonaco1, Paula Mackie2, Virginia Russell2

  • 1Reproductive Sciences Unit, Toronto Zoo, Toronto, ON, Canada. gmastromonaco@torontozoo.ca.

Advances in experimental medicine and biology
|February 20, 2026
PubMed
まとめ

幹細胞技術は,助産生殖技術 (ARTs) を基に,種の保全のための新しい希望を提供します. 現在の課題には,低効率と遺伝的不安定性が含まれており,これらの先進的な幹細胞方法の適用を妨げています.

キーワード:
絶滅危惧種 絶滅危惧種インビトロシステムでは,再プログラミング 再プログラミングソマティック細胞は,体細胞である.幹細胞とは,幹細胞のことです.野生生物の繁殖 野生生物の繁殖

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Isolation of Perivascular Multipotent Precursor Cell Populations from Human Cardiac Tissue
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Isolation of Perivascular Multipotent Precursor Cell Populations from Human Cardiac Tissue

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Dissection of the Adult Zebrafish Kidney
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Dissection of the Adult Zebrafish Kidney

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関連する実験動画

Last Updated: Feb 22, 2026

Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats
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Published on: March 30, 2018

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Isolation of Perivascular Multipotent Precursor Cell Populations from Human Cardiac Tissue
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Dissection of the Adult Zebrafish Kidney
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Dissection of the Adult Zebrafish Kidney

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科学分野:

  • 生殖生物学と保全科学. 生殖生物学と保全科学. 生殖生物学と保全科学.

背景:

  • 助産生殖技術 (ART) は,50年以上にわたり,種の保全のために使用されてきました.
  • ARTは生殖活動のある動物へのアクセスに依存しており,絶滅危惧種にとって大きな障害となっています.
  • 最近の幹細胞の進歩は,誘導性多能幹細胞とex vivo生成を含む,有望なことを示しています.

研究 の 目的:

  • 生殖医学に関連する主要な幹細胞技術を見直す.
  • これらの幹細胞技術の適用を,種保全の取り組みに注力すること.

主な方法:

  • 幹細胞技術とその生殖医学における応用に関する科学文献のレビュー.
  • 誘導された多能幹細胞とex vivo生成システムにおける進歩の分析.
  • 野生生物保護にこれらの技術を適用する可能性と課題の探索.

主要な成果:

  • 幹細胞技術は,保存のための既存のARTを補完するための新しいアプローチを提示します.
  • 幹細胞の研究の進歩は,野生生物の応用とバイオバンキングの基盤を提供します.
  • 幹細胞の低効率と遺伝的不安定性など,依然として大きな課題が残っています.

結論:

  • 幹細胞技術は,種の保全を進めるための大きな可能性を秘めています.
  • 現在の技術的制約を克服することは,保全育種プログラムに成功するために不可欠です.
  • 幹細胞の潜在能力を実践的な保全ソリューションに変換するには,さらなる研究が必要です.