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Related Concept Videos

Regulation of Heart Rates01:31

Regulation of Heart Rates

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The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
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Pathophysiology of Cardiac Performance01:29

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Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
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Heart Failure II: Pathophysiology01:29

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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 III: Hypertrophic Cardiomyopathy01:29

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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Development of the Heart01:27

Development of the Heart

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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.
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Pathophysiology of Heart Failure01:17

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Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Updated: Mar 1, 2026

Viral Transgene Expression in Rodent Hearts and the Assessment of Cardiac Arrhythmia Risk
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Linc-ing the Noncoding Genome to Heart Function: Beating Hypertrophy.

Shambhabi Chatterjee1, Christian Bär1, Thomas Thum1

  • 1Institute of Molecular and Translational Therapeutic Strategies, Hannover Medical School, Hannover, Germany.

Trends in Molecular Medicine
|June 4, 2017
PubMed
Summary
This summary is machine-generated.

Aberrant gene expression is key in heart failure. Long non-coding RNAs (lncRNAs) are crucial regulators and potential therapeutic targets for improving cardiac hypertrophy treatments.

Keywords:
cardiac hypertrophycardiovascular diseasediagnosticslong noncoding RNAncRNA biomarkertherapeutics

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Area of Science:

  • Molecular biology
  • Genetics
  • Cardiology

Background:

  • Aberrant gene expression is a hallmark of various disorders, notably heart failure.
  • Long non-coding RNAs (lncRNAs) play significant roles in regulating genetic networks.
  • lncRNAs interact extensively with their genetic environment, making them promising therapeutic targets.

Purpose of the Study:

  • To explore the functional roles of lncRNAs in cardiac hypertrophy.
  • To identify potential therapeutic strategies for heart failure based on lncRNA function.

Main Methods:

  • Investigated the regulatory functions of lncRNAs in cardiac hypertrophy models.
  • Analyzed the interactions between lncRNAs and genetic networks in the heart.

Main Results:

  • lncRNAs are identified as key regulators in the development of cardiac hypertrophy.
  • Demonstrated the potential of targeting lncRNAs for therapeutic interventions in heart failure.

Conclusions:

  • Understanding lncRNA functions in cardiac hypertrophy can lead to novel therapeutic approaches.
  • lncRNAs represent a promising frontier for developing improved treatments for heart failure.