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Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
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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...
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Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

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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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Non-coding RNAs and Pathological Cardiac Hypertrophy.

Jianfeng He1, Yanhong Luo1, Junxia Song1

  • 1Children's Hospital Chongqing Medical University, Chongqing, People's Republic of China.

Advances in Experimental Medicine and Biology
|April 15, 2020
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Summary
This summary is machine-generated.

Non-coding RNAs (ncRNAs) are implicated in myocardial hypertrophy (MH), a key factor in cardiovascular disease (CVD). Understanding ncRNA roles in intercellular communication via extracellular vesicles (EVs) offers new diagnostic and therapeutic targets for CVD.

Keywords:
Extracellular vesiclesMyocardial hypertrophyNon-coding RNA

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Area of Science:

  • Cardiology
  • Molecular Biology
  • Genetics

Background:

  • Cardiovascular disease (CVD) presents significant global health challenges due to high prevalence, disability, and mortality.
  • Myocardial hypertrophy (MH) is a critical pathological process in various cardiovascular diseases and an independent risk factor for adverse cardiovascular outcomes.
  • Non-coding RNAs (ncRNAs) are increasingly recognized for their regulatory roles in human pathophysiological processes.

Purpose of the Study:

  • To explore the role of non-coding RNAs (ncRNAs) in the development of myocardial hypertrophy (MH).
  • To investigate the significance of intercellular communication mediated by extracellular vesicles (EVs) in the context of MH.
  • To identify ncRNAs as potential diagnostic markers and therapeutic targets for cardiovascular diseases.

Main Methods:

  • Analysis of abnormal ncRNA expression in cardiac cells associated with pathological cardiac hypertrophy.
  • Investigation of ncRNA involvement in intercellular communication through extracellular vesicles (EVs).
  • Examination of regulatory interactions between ncRNAs and other molecules in cardiac hypertrophy.

Main Results:

  • Abnormal ncRNA expression is linked to pathological cardiac hypertrophy in different cardiac cell types.
  • Extracellular vesicles (EVs) mediate intercellular communication involving ncRNAs relevant to MH.
  • ncRNAs interact with other molecules, influencing the occurrence and progression of cardiac hypertrophy.

Conclusions:

  • ncRNAs play a crucial role in the pathogenesis of myocardial hypertrophy.
  • ncRNA-mediated intercellular communication via EVs presents novel avenues for early clinical diagnosis of cardiovascular disease.
  • Targeting ncRNAs offers potential for precise therapeutic strategies in managing myocardial hypertrophy and cardiovascular disease.