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Related Concept Videos

Inflammatory Response01:28

Inflammatory Response

An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
Chronic Inflammation: Introduction01:12

Chronic Inflammation: Introduction

Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
Inflammation: Introduction01:28

Inflammation: Introduction

Inflammation is a fundamental, protective biological response of vascularized tissues to cellular injury, infection, or harmful stimuli. Its primary function is to eliminate the initial cause of injury, clear necrotic cells and damaged tissue, and initiate the necessary repair processes.Cardinal SignsAcute inflammation presents with classic signs. Redness results from vasodilation and increased blood flow. Heat is due to increased metabolism and circulation. Swelling results from the...
Inflammation01:38

Inflammation

Overview
Acute Inflammation I: Inflammatory Response01:26

Acute Inflammation I: Inflammatory Response

Acute inflammation is a rapid, short-lived physiological response to tissue injury or infection, designed to eliminate harmful agents and initiate repair. This tightly regulated process typically lasts from minutes to several days and is triggered by factors such as microbial invasion, physical trauma, or chemical injury.Recognition and Mediator ReleaseThe inflammatory response begins when resident immune cells—such as mast cells, macrophages, and dendritic cells—detect damage-associated...

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Related Experiment Video

Updated: Jun 23, 2026

Increased Recovery Time and Decreased LPS Administration to Study the Vagus Nerve Stimulation Mechanisms in Limited Inflammatory Responses
06:43

Increased Recovery Time and Decreased LPS Administration to Study the Vagus Nerve Stimulation Mechanisms in Limited Inflammatory Responses

Published on: March 29, 2017

Exercise, inflammation, and innate immunity.

Jeffrey A Woods1, Victoria J Vieira, K Todd Keylock

  • 1Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, 906 South Goodwin Avenue, Urbana, IL 6180, USA. woods1@uiuc.edu

Immunology and Allergy Clinics of North America
|April 25, 2009
PubMed
Summary
This summary is machine-generated.

Regular exercise combats chronic disease by reducing inflammation. Key mechanisms include decreased body fat, muscle-released interleukin-6 (IL-6) inhibiting tumor necrosis factor-alpha (TNF-a), and the cholinergic anti-inflammatory pathway.

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Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation
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Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation

Published on: May 16, 2016

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Last Updated: Jun 23, 2026

Increased Recovery Time and Decreased LPS Administration to Study the Vagus Nerve Stimulation Mechanisms in Limited Inflammatory Responses
06:43

Increased Recovery Time and Decreased LPS Administration to Study the Vagus Nerve Stimulation Mechanisms in Limited Inflammatory Responses

Published on: March 29, 2017

Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation
07:48

Intravenous Endotoxin Challenge in Healthy Humans: An Experimental Platform to Investigate and Modulate Systemic Inflammation

Published on: May 16, 2016

Area of Science:

  • Exercise physiology
  • Immunology
  • Chronic disease management

Background:

  • Exercise demonstrates significant benefits for managing chronic diseases.
  • Understanding the precise anti-inflammatory mechanisms of exercise is crucial for therapeutic development.
  • Obesity and chronic inflammation are closely linked, exacerbating disease progression.

Purpose of the Study:

  • To elucidate the key anti-inflammatory pathways activated by exercise.
  • To explore how exercise modulates inflammatory responses in chronic disease contexts.
  • To present compelling evidence for exercise as an anti-inflammatory intervention.

Main Methods:

  • Review of current scientific literature on exercise and inflammation.
  • Analysis of molecular and cellular mechanisms involved in exercise-induced anti-inflammation.
  • Integration of findings from studies on body composition, cytokine signaling, and the nervous system.

Main Results:

  • Exercise reduces the percentage of body fat, thereby decreasing macrophage accumulation in adipose tissue.
  • Interleukin-6 (IL-6) released by muscles can inhibit pro-inflammatory tumor necrosis factor-alpha (TNF-a).
  • The cholinergic anti-inflammatory pathway, involving the vagus nerve, plays a significant role in suppressing inflammation.

Conclusions:

  • Exercise exerts potent anti-inflammatory effects through multiple interconnected pathways.
  • Modulating body fat, cytokine balance, and neural pathways are critical for exercise's health benefits.
  • These mechanisms highlight exercise's potential as a therapeutic strategy for inflammatory chronic diseases.