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Related Concept Videos

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,...
Acute Inflammation III: Local and Systemic Effects01:25

Acute Inflammation III: Local and Systemic Effects

Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
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,...
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...
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...
Inflammation01:38

Inflammation

Overview

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Related Experiment Video

Updated: Jul 7, 2026

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

Systemic response to inflammation.

Bruce Bistrian1

  • 1Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA. bbistria@caregroup.harvard.edu

Nutrition Reviews
|February 5, 2008
PubMed
Summary
This summary is machine-generated.

The systemic inflammatory response is vital for healing but can worsen outcomes if excessive or chronic. Therapies targeting inflammation sources can improve patient health in various inflammatory conditions.

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

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Related Experiment Videos

Last Updated: Jul 7, 2026

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

Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response
12:50

Screening Assays to Characterize Novel Endothelial Regulators Involved in the Inflammatory Response

Published on: September 15, 2017

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

Area of Science:

  • Physiology
  • Immunology
  • Pathology

Background:

  • The systemic inflammatory response is a crucial physiological process for fighting infection and promoting recovery.
  • While beneficial, excessive or chronic inflammation can lead to adverse health outcomes.

Purpose of the Study:

  • To explore the dual role of the systemic inflammatory response in health and disease.
  • To highlight the impact of varying inflammatory states on morbidity and mortality.
  • To discuss the therapeutic potential of modulating inflammatory responses.

Main Methods:

  • Literature review of physiological and pathological inflammatory states.
  • Analysis of the effects of inflammation on patient prognosis.
  • Examination of therapeutic strategies targeting inflammation.

Main Results:

  • An intact inflammatory response generally improves outcomes after injury or infection.
  • Excessive inflammation (e.g., major trauma) and chronic low-grade inflammation (e.g., obesity, diabetes) are associated with poor prognosis and increased mortality.
  • Protein-calorie malnutrition can lead to immunodeficiency and infection risk.

Conclusions:

  • Inflammatory states, from chronic low-grade to acute severe, significantly impact morbidity and mortality.
  • Targeting the source of inflammation offers a promising therapeutic approach to improve patient outcomes in both chronic and acute inflammatory conditions.