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関連する概念動画

Structure of Cardiac Muscles01:13

Structure of Cardiac Muscles

Cardiac muscle, or myocardium, is a specialized type of muscle found exclusively in the heart. Its unique structural and functional characteristics enable the heart to perform its vital role of pumping blood throughout the body continuously and rhythmically. The cardiac muscle cells, or cardiomyocytes, possess an endomysium and perimysium but do not have an epimysium.
Compared to skeletal muscles, cardiac muscle cells are small and mostly have a single nucleus. Additionally, they are usually...
Specialized Characteristics of Cardiac Muscles01:27

Specialized Characteristics of Cardiac Muscles

The primary role of cardiac muscles is to propel blood throughout the cardiovascular system. The cardiac muscle cells, or cardiomyocytes, exhibit specialized characteristics that allow them to perform this function.
Cardiac muscle cells are smaller than skeletal muscles, averaging 10–20 mm in diameter and 50–100 mm in length. However, they have large energy demands for continuous contraction and relaxation. This energy is almost exclusively derived from aerobic metabolism of energy reserves in...
Development of the Heart01:27

Development of the Heart

The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...

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関連する実験動画

Updated: Jul 8, 2026

Epigenetic Regulation of Cardiac Differentiation of Embryonic Stem Cells and Tissues
13:03

Epigenetic Regulation of Cardiac Differentiation of Embryonic Stem Cells and Tissues

Published on: June 3, 2016

心臓の発達のための遺伝的青写真.

D Srivastava1, E N Olson

  • 1Department of Molecular Biology, University of Texas, Southwestern Medical Center at Dallas, 75390-9148, USA. dsriva@mednet.swmed.edu

Nature
|September 23, 2000
PubMed
まとめ
この要約は機械生成です。

遺伝子の変異は,子供における先天性心疾患の主な原因であり,重度の心不全につながる. これらの遺伝的要因を理解することは,心臓の欠陥の治療と,細胞の再プログラムによる心臓の修復の探索の両方にとって極めて重要です.

さらに関連する動画

Imaging Cleared Embryonic and Postnatal Hearts at Single-cell Resolution
07:30

Imaging Cleared Embryonic and Postnatal Hearts at Single-cell Resolution

Published on: October 7, 2016

Analysis of Cardiac Chamber Development During Mouse Embryogenesis Using Whole Mount Epifluorescence
06:27

Analysis of Cardiac Chamber Development During Mouse Embryogenesis Using Whole Mount Epifluorescence

Published on: April 17, 2019

関連する実験動画

Last Updated: Jul 8, 2026

Epigenetic Regulation of Cardiac Differentiation of Embryonic Stem Cells and Tissues
13:03

Epigenetic Regulation of Cardiac Differentiation of Embryonic Stem Cells and Tissues

Published on: June 3, 2016

Imaging Cleared Embryonic and Postnatal Hearts at Single-cell Resolution
07:30

Imaging Cleared Embryonic and Postnatal Hearts at Single-cell Resolution

Published on: October 7, 2016

Analysis of Cardiac Chamber Development During Mouse Embryogenesis Using Whole Mount Epifluorescence
06:27

Analysis of Cardiac Chamber Development During Mouse Embryogenesis Using Whole Mount Epifluorescence

Published on: April 17, 2019

科学分野:

  • 心血管遺伝学 心血管遺伝学
  • 発達生物学 発達生物学について
  • ペディアトリック・カルディオロジー

背景:

  • 生まれながらの心臓病 (CHD) は,小児集団における主要な非感染症による死亡原因です.
  • 以前は多因性と考えられていたが,多くの心臓異常は,現在,発達制御遺伝子の特定の変異と関連している.
  • 遺伝的変異は,出生時に重度の心不全や,後年ではより微妙な問題を引き起こす可能性があります.

研究 の 目的:

  • 生まれながらの心臓病の遺伝的根拠を解明する.
  • 発育制御遺伝子が心不全における役割を調査する.
  • 心臓修復戦略における遺伝的再プログラムの可能性を調査する.

主な方法:

  • 遺伝子変異と心臓の発達に関する現在の文献のレビュー.
  • 心臓の先天性欠陥に関連する遺伝データの分析.
  • 心臓再生のための遺伝子編集と細胞再プログラム技術の探索.

主要な成果:

  • 重要な発達制御遺伝子の変異は,CHD症例の有意な割合に直接関与しています.
  • 遺伝的基盤は,重度の発育不全から微妙な欠陥まで,さまざまな心臓異常を説明する.
  • これらの遺伝経路の理解は,新しい治療アプローチの道を開きます.

結論:

  • 遺伝的変異は,先天性心臓病の病因学における重要な要因である.
  • 発達の遺伝子経路をターゲットにすることで,新しい治療法と再生医療の可能性を秘めています.
  • 遺伝的再プログラムに関するさらなる研究は,小児の心臓ケアに革命をもたらす可能性があります.