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Related Concept Videos

Inflammation01:38

Inflammation

Overview
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 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,...
Inflammation: Introduction01:28

Inflammation: Introduction

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...
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...
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,...

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Related Experiment Video

Updated: Jun 25, 2026

Isolation of Leukocytes from the Human Maternal-fetal Interface
08:19

Isolation of Leukocytes from the Human Maternal-fetal Interface

Published on: May 21, 2015

Inflammation and pregnancy.

John R Challis1, Charles J Lockwood, Leslie Myatt

  • 1Michael Johnson Foundation for Health Research, Vancouver, Canada.

Reproductive Sciences (Thousand Oaks, Calif.)
|February 12, 2009
PubMed
Summary
This summary is machine-generated.

Pregnancy inflammation involves immune system shifts. Abnormal immune responses and factors like hypoxia can lead to adverse pregnancy outcomes, including preeclampsia and preterm birth.

Related Experiment Videos

Last Updated: Jun 25, 2026

Isolation of Leukocytes from the Human Maternal-fetal Interface
08:19

Isolation of Leukocytes from the Human Maternal-fetal Interface

Published on: May 21, 2015

Area of Science:

  • Reproductive immunology
  • Immunology
  • Obstetrics

Background:

  • Inflammation is a key tissue response to insults, involving chemokines, cytokines, and pattern recognition receptors.
  • Pregnancy involves a dynamic shift in immune balance, from Th2 to Th1 cytokine prevalence, which can be disrupted.
  • Maternal and placental hormones, hypoxia, and innate immune responses significantly influence inflammatory pathways during gestation.

Purpose of the Study:

  • To explore the role of inflammatory pathways in adverse pregnancy outcomes.
  • To understand the interplay between immune responses, hormones, and environmental factors in pregnancy complications.
  • To elucidate the mechanisms linking inflammation to conditions like spontaneous abortion, intrauterine growth restriction, preeclampsia, and preterm delivery.

Main Methods:

  • Review of existing literature on inflammation during pregnancy.
  • Analysis of cytokine profiles (Th1/Th2 balance) in relation to gestational stage.
  • Examination of the impact of hypoxia and innate immunity on pregnancy outcomes.
  • Investigation of the role of matrix metalloproteinases, prostaglandins, and coagulation factors in pregnancy adaptations.

Main Results:

  • Abnormal Th1/Th2 balance in late gestation is linked to increased inflammatory cytokine production and adverse pregnancy outcomes.
  • Hypoxia and innate immune responses are critical adaptive mechanisms implicated in major pregnancy complications.
  • Interactions between tissue remodeling and vasoactive/hemostatic factors mediate adaptive responses to pregnancy perturbations.

Conclusions:

  • Dysregulated inflammation, influenced by immune shifts and adaptive mechanisms like hypoxia, is central to adverse pregnancy outcomes.
  • Understanding these complex inflammatory interactions is crucial for managing pregnancy complications.
  • Targeting inflammatory pathways may offer therapeutic potential for improving pregnancy health.