Effect of chronic heart failure on nuclear factor kappa B in peripheral leukocytes

Stefan Frantz1, Stefan Stoerk, Sami Ok

  • 1Medizinische Klinik der Universität Würzburg, Germany. frantz_s@medizin.uni-wuerzburg.de

Insights

Nuclear factor kappa B (NF-kappaB) activation is significantly increased in peripheral leukocytes of patients with chronic heart failure. This finding highlights NF-kappaB as a potential biomarker for heart failure progression.

Area of Science:

  • Cardiovascular Medicine
  • Molecular Biology
  • Immunology

Background:

  • Nuclear factor kappa B (NF-kappaB) is a key transcription factor involved in cellular responses.
  • NF-kappaB activation is implicated in the pathogenesis of chronic heart failure.
  • Peripheral leukocytes are accessible for noninvasive study in heart failure patients.

Purpose of the Study:

  • To investigate the activation status of NF-kappaB in peripheral leukocytes of patients with stable heart failure.
  • To determine if NF-kappaB activation is a feature of heart failure independent of other known stimuli.

Main Methods:

  • Analysis of NF-kappaB activation in peripheral leukocytes obtained from heart failure patients.
  • Assessment of NF-kappaB activation in individuals with stable heart failure and no other apparent cause for activation.

Main Results:

  • Significant activation of NF-kappaB was observed in the peripheral leukocytes of patients with stable heart failure.
  • This activation was noted in the absence of other obvious triggers for NF-kappaB induction.

Conclusions:

  • NF-kappaB is significantly activated in peripheral leukocytes of patients with chronic heart failure.
  • This suggests a potential role for NF-kappaB as a biomarker in heart failure management and research.

Related Concept Videos

Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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...
NF-κB-dependent Signaling Pathway02:26

NF-κB-dependent Signaling Pathway

The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
NF-κB-dependent Signaling Mechanism
The heterodimer of NF-κB...
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

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...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

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...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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 blood...
Heart Failure VII: Nursing Interventions01:30

Heart Failure VII: Nursing Interventions

The first step in nursing management of a patient with heart failure involves thoroughly assessing the patient's medical history.Subjective Data: Obtain the patient's medical history of coronary artery disease, hypertension, myocardial infarction, and symptoms like dyspnea, orthopnea, and paroxysmal nocturnal dyspnea.Objective Data: Conduct a physical examination to identify findings such as jugular vein distention, pulmonary crackles, tachycardia, murmurs, peripheral edema, and vital signs,...