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Related Concept Videos

Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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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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Heart Failure I: Introduction01:27

Heart Failure I: Introduction

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Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
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Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

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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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Stem Cell Culture01:17

Stem Cell Culture

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Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
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Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
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Multipotency of Hematopoietic Stem Cells01:19

Multipotency of Hematopoietic Stem Cells

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The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
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Updated: Mar 8, 2026

Isolation, Characterization, and Differentiation of Cardiac Stem Cells from the Adult Mouse Heart
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Isolation, Characterization, and Differentiation of Cardiac Stem Cells from the Adult Mouse Heart

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Cardiac stem cell aging and heart failure.

Daniela Cesselli1, Aneta Aleksova2, Elisa Mazzega1

  • 1Department of Medical and Biological Sciences, University of Udine, Udine, Italy.

Pharmacological Research
|January 24, 2017
PubMed
Summary
This summary is machine-generated.

The aging global population faces increased heart failure risk. This review highlights evidence supporting immature cardiac resident cells

Keywords:
AgingCardiomyocyte turnoverCardiospheresCell senescenceHeart failurePDGFRαSca1Stem cellscKit

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Area of Science:

  • Cardiovascular Biology
  • Regenerative Medicine
  • Gerontology

Background:

  • Global population aging is increasing, with over 2 billion people over 65 by 2050.
  • Age-related diseases, like heart failure, pose a growing public health challenge.
  • Understanding the biological basis of aging is crucial for developing effective treatments.

Purpose of the Study:

  • To review evidence on the role of cardiac stem cells in heart failure.
  • To investigate the involvement of immature cardiac cells in maintaining heart health.
  • To explore therapeutic potential for age-related cardiac conditions.

Main Methods:

  • Comprehensive literature review of studies from independent research groups.
  • Analysis of data from diverse animal models and human studies.
  • Synthesis of evidence regarding cardiac stem cell function and cardioprotection.

Main Results:

  • Strong evidence supports a significant role for immature, cardiac resident cells.
  • These cells contribute to cardioprotection against heart failure.
  • Findings are consistent across various experimental models and human data.

Conclusions:

  • Immature cardiac resident cells are vital for maintaining cardiac homeostasis.
  • These cells offer a promising target for therapeutic strategies against heart failure.
  • Further research into cardiac stem cell biology is warranted for age-related diseases.