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Related Concept Videos

Chronic Inflammation: Introduction01:12

Chronic Inflammation: Introduction

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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...
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Acute Inflammation I: Cellular Phase01:26

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The cellular phase of acute inflammation is a tightly orchestrated sequence of events that recruits leukocytes, primarily neutrophils, to sites of tissue injury or infection. Following the initial vascular changes, this phase ensures effective immune cell migration, activation, and function at the affected site to eliminate pathogens and initiate tissue repair.Leukocyte Recruitment CascadeLeukocyte recruitment happens in four steps: margination, adhesion, transmigration, and chemotaxis. Reduced...
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Acute Inflammation I: Inflammatory Response01:26

Acute Inflammation I: Inflammatory Response

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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...
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Acute Inflammation II: Local and Systemic Effects01:25

Acute Inflammation II: Local and Systemic Effects

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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...
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Inflammation01:38

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Chronic Pancreatitis I: Introduction01:24

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The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
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Related Experiment Video

Updated: Apr 22, 2026

A Mouse Model for Pathogen-induced Chronic Inflammation at Local and Systemic Sites
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Mechanisms in chronic inflammation.

J Whicher1, R Chambers

  • 1Department of Chemical Pathology, Bristol Royal Infirmary, Bristol BS2 8HW, UK.

Immunology Today
|October 8, 2014
PubMed
Summary
This summary is machine-generated.

This meeting explored chronic inflammation in rheumatology, focusing on the acute-phase response, lymphocyte control, connective tissue matrix, and iron's role. Insights were gathered from diverse scientific fields to advance understanding of inflammatory processes.

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Area of Science:

  • Rheumatology
  • Immunology
  • Biochemistry

Background:

  • Chronic inflammation is a hallmark of many rheumatologic diseases.
  • Understanding its multifaceted nature requires an interdisciplinary approach.

Purpose of the Study:

  • To synthesize current knowledge on chronic inflammation in rheumatology.
  • To explore key themes including the acute-phase response, lymphocyte function, connective tissue matrix, and iron metabolism in inflammation.

Main Methods:

  • A collaborative meeting convened experts from various scientific disciplines.
  • Discussions focused on four major themes central to inflammatory processes.

Main Results:

  • The meeting facilitated the exchange of diverse perspectives on complex inflammatory mechanisms.
  • Key areas identified for further investigation include the acute-phase response, lymphocyte regulation, matrix dynamics, and iron's inflammatory role.

Conclusions:

  • Interdisciplinary collaboration is crucial for advancing the understanding of chronic inflammation in rheumatology.
  • Further research into the identified themes will enhance therapeutic strategies for rheumatic diseases.