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関連する概念動画

Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

27
Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
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lncRNA - Long Non-coding RNAs02:39

lncRNA - Long Non-coding RNAs

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In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...
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Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

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Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
50
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

38
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
213
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

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The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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関連する実験動画

Updated: Sep 9, 2025

Identification of Circular RNAs using RNA Sequencing
08:25

Identification of Circular RNAs using RNA Sequencing

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心臓病における循環型RNA

Tingting Yang1,2, Michail Spanos3,4, Wensi Wan1,2

  • 1Cardiac Regeneration and Ageing Lab, Institute of Geriatrics (Shanghai University), Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong) and School of Life Science, Shanghai University, Nantong, China.

Advances in experimental medicine and biology
|August 31, 2025
PubMed
まとめ

循環型RNA (circRNAs) は,心血管疾患における重要な調節因子である. 研究では 心臓の縮や心筋梗塞などの疾患における その役割が強調され 診断用バイオマーカーとして 提供される可能性が示されています

キーワード:
バイオマーカー心血管疾患円形のRNA

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科学分野:

  • 分子生物学
  • 遺伝学
  • 心臓病科

背景:

  • 円形RNA (circRNAs) は,前体mRNAのバックスプライシングによって形成され,ユニークな3',5'-フォスフォディエステル結合を特徴とする.
  • 異体性,異体性-内体性,または内体性に分類され,様々な生物学的プロセスに参加します.
  • circRNAはmiRNAのスポンジとして作用し,RNA結合タンパク質 (RBPs) でタンパク質合成を調節し,遺伝子発現に影響を与え,翻訳することができる.

研究 の 目的:

  • 心血管系内のcircRNAの理解における最近の進歩を要約する.
  • 心血管疾患,心筋梗塞,線維症を含む心血管疾患におけるcircRNAの関与をレビューする.
  • 心血管疾患のバイオマーカーとしてのcircRNAの臨床的有用性を調査する.

主な方法:

  • 心血管生物学と疾患におけるcircRNAに関する現在の研究の文献レビュー.
  • 特定されたcircRNAと心血管過程におけるその機能的メカニズムの分析.
  • 診断および予後マーカーとしてcircRNAを調査した研究の検討.

主要な成果:

  • 心血管系では多くのcircRNAが特定され,発育と疾患の調節に影響を与えています.
  • circRNAsは,病理的な心筋縮,心筋梗塞,イシュケミア-再注血損傷,拡張心筋病,心筋線維症に関与しています.
  • 心血管疾患の潜在的な診断および予後バイオマーカーとしてcircRNAは有望である.

結論:

  • circRNAは心臓血管の健康と疾患の病原性において重要な役割を果たします.
  • サークRNAに関するさらなる研究は,心血管疾患の新たな治療戦略と改善された診断ツールにつながる可能性があります.
  • サークRNAのユニークな特性により,心臓病の臨床応用において貴重な標的として位置づけられています.