Related Experiment Video

Updated: Aug 15, 2026

Isolation of Murine Peritoneal Macrophages to Carry Out Gene Expression Analysis Upon Toll-like Receptors Stimulation
08:21

Isolation of Murine Peritoneal Macrophages to Carry Out Gene Expression Analysis Upon Toll-like Receptors Stimulation

Published on: April 29, 2015

[The role of macrophages in pathogenesis of limited inflammation]

V S Paukov, S A Daabul', N Iu Belaieva

    Arkhiv Patologii
    |October 8, 2005
    PubMed

    Insights

    Macrophages play a crucial role in inflammation by clearing debris and bacteria, forming protective capsules. Stimulating these immune cells accelerates healing, while inhibiting them slows down the inflammatory process.

    Area of Science:

    • Immunology
    • Pathology
    • Histology

    Context:

    • Inflammation is a complex biological response involving immune cells and tissue repair mechanisms.
    • The formation of capsules around inflammatory foci is a key aspect of chronic inflammation and abscess resolution.
    • Macrophages are critical immune cells involved in both innate and adaptive immunity, as well as tissue remodeling.

    Purpose:

    • To investigate the role of macrophages in the formation of limiting capsules around inflammatory foci in rats.
    • To elucidate the mechanisms by which macrophages influence aseptic and septic inflammation, including abscess formation.
    • To determine the impact of stimulating or inhibiting the mononuclear phagocyte system on inflammatory processes.

    Summary:

    • In male rats, a limiting capsule forms around inflammation foci when bacteria, intoxication, or infection generalization is present.
    • Macrophages phagocytose necrotic tissue in aseptic inflammation and bacteria in abscesses, initiating immune responses and tissue repair.
    • Stimulation of macrophages activates inflammatory and regenerative processes, leading to capsule formation, while inhibition slows these processes.

    Impact:

    • This study highlights the central role of macrophages in orchestrating inflammatory responses and tissue repair.
    • Understanding macrophage function in inflammation can lead to targeted therapies for conditions involving abscesses and chronic inflammation.
    • The findings provide insights into the cellular mechanisms underlying capsule formation and resolution of inflammatory processes.

    More Related Videos

    Depletion and Reconstitution of Macrophages in Mice08:50

    Depletion and Reconstitution of Macrophages in Mice

    Published on: August 1, 2012

    Related Concept Videos

    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
    Acute Inflammation II: Cellular Phase01:26

    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 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,...
    Immune Surveillance by NK Cells and Phagocytes01:25

    Immune Surveillance by NK Cells and Phagocytes

    Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
    Natural Killer Cells: The Fast Responders
    NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
    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...