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Inflammatory Response

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 Response

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...

Acute Inflammation II: Cellular Phase

Acute Inflammation II: Cellular Phase

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...

Inflammatory Response I: Vascular and Cellular

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: Introduction

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

Inflammation

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Related Experiment Video

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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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Published on: March 29, 2017

The resolution of inflammation.

Christopher D Buckley¹, Derek W Gilroy, Charles N Serhan

¹Rheumatology Research Group at the Centre for Translational Inflammation Research, School of Immunity and Infection, College of Medical and Dental Sciences, University of Birmingham Research Laboratories, Queen Elizabeth Hospital, Birmingham, B15 2WD, UK. c.d.buckley@bham.ac.uk

Nature Reviews. Immunology

|December 1, 2012

Summary

Scientists are exploring how to actively resolve inflammation, not just initiate it. Harnessing inflammation resolution mediators may offer new treatments for chronic inflammatory and autoimmune diseases.

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Area of Science:

Immunology
Medicine

Background:

Chronic inflammatory and autoimmune diseases pose significant medical challenges.
Understanding inflammation resolution is crucial for developing new therapeutic strategies.

Approach:

A conference convened experts from academia and industry to discuss inflammation resolution.
This work synthesizes insights from leading speakers on harnessing resolution pathways.

Key Points:

Inflammation resolution is an active, intricate biological process.
Mediators of resolution offer potential therapeutic targets.
Targeting resolution pathways could treat chronic inflammatory conditions.

Conclusions:

Further research into inflammation resolution mechanisms is warranted.
Harnessing active resolution pathways presents a promising avenue for treating inflammatory diseases.