Mechanisms and Prevention Strategies of Macrophage Involvement in the Progression From Hypertension to Heart Failure

Ningning Zhang1, Pengyu Cao1,2, Bojian Wang3

  • 1The Cardiovascular Center, Changzhou No. 2 People's Hospital, The Third Affiliated Hospital of Nanjing Medical University, Changzhou 213164, Jiangsu, China.

Insights

Hypertensive heart disease involves macrophages. Exercise training may regulate macrophage function, offering a potential therapy for hypertension-induced heart failure.

Area of Science:

  • Cardiovascular Research
  • Immunology
  • Pathophysiology

Background:

  • Hypertensive heart disease progresses from uncontrolled hypertension to heart failure.
  • Macrophages play a critical role in tissue homeostasis but become dysregulated during hypertension, promoting inflammation and damage.
  • Oxidative stress and mitochondrial dysfunction are key contributors to this process.

Purpose of the Study:

  • To review the role of macrophages in the progression of hypertensive heart disease.
  • To highlight current research areas concerning macrophage involvement.
  • To explore the potential of exercise training as a therapeutic intervention.

Main Methods:

  • Literature review of existing research on hypertensive heart disease, macrophage function, and exercise training.
  • Synthesis of findings on the mechanisms linking hypertension, macrophages, and cardiac dysfunction.
  • Analysis of studies investigating exercise's impact on macrophage activity.

Main Results:

  • Dysregulated macrophages contribute to inflammatory pathways and tissue damage in hypertensive hearts.
  • Oxidative stress and mitochondrial dysfunction are associated with altered macrophage function.
  • Exercise training shows promise in modulating macrophage responses relevant to hypertensive heart disease.

Conclusions:

  • Macrophages are pivotal in the transition from hypertension to heart failure.
  • Exercise training presents a potential strategy for mitigating macrophage-driven cardiac damage.
  • Further research into exercise-mediated macrophage regulation could yield novel therapeutic approaches.

Related Concept Videos

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...
54
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...
1.9K
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
524
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
90
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
3.1K
Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
67