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関連する概念動画

Overview of the Vascular System01:20

Overview of the Vascular System

The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
Overview of Blood Vessels01:14

Overview of Blood Vessels

The human cardiovascular system comprises five primary types of blood vessels: arteries, arterioles, veins, venules, and capillaries, each serving unique functions.
Arteries and Arterioles: Arteries are muscular and elastic vessels that primarily carry oxygenated blood from the heart to body tissues, except for the pulmonary artery, which carries deoxygenated blood. They have thick walls to withstand high pressure and contain a layer of muscle tissue, allowing them to expand or contract as...
Structure of Blood Vessels01:15

Structure of Blood Vessels

Blood is circulated throughout the human body through a network of blood vessels called the circulatory system. This system includes arteries that transport blood from the heart to various body parts. These arterial pathways divide into smaller vessels until they reach the arterioles, which further split into capillaries. It is within these minuscule capillaries that the exchange of nutrients and waste products takes place. After this exchange, the blood is collected by venules, which fuse to...
Anatomy of the Heart01:20

Anatomy of the Heart

The heart is a hollow, muscular organ approximately the size of a fist, consisting of four chambers. It is enclosed in the pericardium, a fibrous sac with two layers: the visceral and parietal pericardium, separated by a fluid-filled space containing serous fluid to reduce friction.
The heart has three layers: the innermost endocardium, the muscular myocardium, and the outer epicardium, all working together for optimal cardiac function.
Chambers of the Heart
The heart is made up of four...
Anatomy of Blood Vessels01:20

Anatomy of Blood Vessels

The vascular system, an integral part of the circulatory system, comprises various blood vessels that play crucial roles in maintaining the body's homeostasis. These blood vessels form a complex and efficient circulatory network. The three primary categories of blood vessels are the arteries, veins, and capillaries.
Arteries
Arteries circulate oxygenated blood from the heart, except the pulmonary artery, which transports deoxygenated blood to the lungs. Large arteries, such as the aorta, have...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...

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関連する実験動画

Updated: Jul 6, 2026

Visualizing the Beating Heart in Drosophila
10:15

Visualizing the Beating Heart in Drosophila

Published on: September 28, 2009

心血管機能のためのゲノム系システム生物学マップ

M Stoll1, A W Cowley, P J Tonellato

  • 1Department of Physiology, Bioinformatics Research Center, and, Human and Molecular Genetics Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226-0509, USA.

Science (New York, N.Y.)
|November 27, 2001
PubMed
まとめ

研究者らはマウスの心血管と腎臓の特性を81つマッピングし,特定の染色体上の特性の集積を特定しました. このシステム生物学のアプローチは,遺伝子発見とヒトゲノミクスへの翻訳を助けます.

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Large-scale Zebrafish Embryonic Heart Dissection for Transcriptional Analysis
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Large-scale Zebrafish Embryonic Heart Dissection for Transcriptional Analysis

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Large Animal Model for Evaluating the Efficacy of the Gene Therapy in Ischemic Heart

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関連する実験動画

Last Updated: Jul 6, 2026

Visualizing the Beating Heart in Drosophila
10:15

Visualizing the Beating Heart in Drosophila

Published on: September 28, 2009

Large-scale Zebrafish Embryonic Heart Dissection for Transcriptional Analysis
10:00

Large-scale Zebrafish Embryonic Heart Dissection for Transcriptional Analysis

Published on: January 12, 2015

Large Animal Model for Evaluating the Efficacy of the Gene Therapy in Ischemic Heart
06:07

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科学分野:

  • ゲノミクスゲノミクスとは
  • システム生物学 システム生物学
  • 生理学 生理学とは

背景:

  • ヒトゲノム配列の利用可能性は,システム生物学の枠組みの中で遺伝子機能を定義するための高度な方法を必要とします.
  • 複雑な特性の遺伝学を理解するには,表型データをゲノム情報と統合する必要があります.

研究 の 目的:

  • ラットモデルで心血管と腎臓のフェノタイプをマッピングし,これらの特徴に関連する遺伝的位置を特定します.
  • 遺伝子発見と比較ゲノミクスのための生理学的相関を分析することによって,システム生物学のアプローチを活用する.

主な方法:

  • F2インタークロスから113匹のオスラットで239種類の心臓血管および腎臓のフェノタイプを研究した.
  • 特定された81の特徴の全ゲノムマッピングを行いました.
  • "生理学的プロファイル"を確立するために,特徴間の相関のパターンを分析しました.

主要な成果:

  • 81の心血管と腎臓の特性をラットのゲノムにマッピングしました.
  • 染色体1・2・7・18の特徴の有意な集合を特定しました.
  • 特徴の相互関係を示す確立された"生理学的プロファイル".

結論:

  • 特定された特性の集積と生理学的プロファイルは,心血管系と腎臓系における遺伝子狩りの基礎を提供します.
  • この研究は,メカニズムに基づく生理学的研究を促進します.
  • この発見は,比較ゲノミクスを通じてラットゲノムデータをヒトゲノムに翻訳することを支持しています.