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Related Concept Videos

Inflammation01:38

Inflammation

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Inflammatory Response01:28

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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,...
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Acute Inflammation I: Inflammatory Response01:26

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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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Chronic Inflammation: Introduction01:12

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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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Inflammation: Introduction01:28

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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...
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Asthma-II: Pathophysiology and Classification01:26

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Asthma is a prevalent chronic respiratory condition marked by inflammation and hyperresponsiveness of the airways. Its pathophysiology involves complex interactions among inflammatory pathways, immune responses, and neural mechanisms.
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Related Experiment Video

Updated: Apr 19, 2026

Investigating Mast Cell Secretory Granules; from Biosynthesis to Exocytosis
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Mast cells and neuroinflammation.

Hongquan Dong1, Xiang Zhang1, Yanning Qian1

  • 1Department of Anesthesiology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China (mainland).

Medical Science Monitor Basic Research
|December 23, 2014
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Summary
This summary is machine-generated.

Mast cells in the brain communicate with the nervous system, influencing brain function and disorders. Targeting these immune cells offers potential therapeutic strategies for central nervous system (CNS) inflammation.

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Area of Science:

  • Neuroimmunology
  • Central Nervous System (CNS) Disorders
  • Neuroinflammation

Background:

  • Extensive communication exists between the immune system and the CNS.
  • Proinflammatory cytokines are key mediators in this neuro-immune axis.
  • Glia and microglia, brain-resident macrophages, are crucial sources of inflammatory mediators in CNS disorders.

Purpose of the Study:

  • To elucidate the role of mast cells in CNS-immune system communication.
  • To investigate mast cell interactions with other brain cells and the blood-brain barrier (BBB).
  • To explore the therapeutic potential of targeting mast cells in CNS inflammation.

Main Methods:

  • Review of existing literature on mast cells, microglia, and CNS communication.
  • Analysis of mast cell interactions with astrocytes, microglia, and vasculature.
  • Examination of mast cell roles in both detrimental and beneficial brain functions.

Main Results:

  • Mast cells reside in the CNS and can cross a compromised BBB.
  • They act as sensors and effectors, interacting with neural and vascular components.
  • Mast cells initiate, amplify, and prolong immune and nervous responses.

Conclusions:

  • Mast cells significantly contribute to CNS inflammatory processes and neuro-immune communication.
  • They influence brain function, including cognition and emotion.
  • Targeting mast cells presents a potential therapeutic avenue for CNS inflammatory conditions.