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Related Concept Videos

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

2.7K
Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency...
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Pneumonia I: Introduction01:30

Pneumonia I: Introduction

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Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
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Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
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The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
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Chronic Obstructive Pulmonary Disease-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
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Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
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Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

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The pathophysiology of pneumonia involves the following steps:
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Related Experiment Video

Updated: Mar 11, 2026

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
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Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment

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Pulmonary Innate Immune Dysfunction in Human Immunodeficiency Virus.

Bashar S Staitieh1, Eduardo E Egea1, David M Guidot1,2

  • 11 Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Emory University School of Medicine, Atlanta, Georgia; and.

American Journal of Respiratory Cell and Molecular Biology
|December 3, 2016
PubMed
Summary

Antiretroviral therapy improves survival for human immunodeficiency virus (HIV) infection. This review explores how HIV impacts the lung's innate immune system, affecting lung health even with controlled viral loads.

Keywords:
human immunodeficiency virusinnate immunitymacrophagepolymorphonuclear cellssurfactant

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Chronic, Acute, and Reactivated HIV Infection in Humanized Immunodeficient Mouse Models
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Area of Science:

  • Immunology
  • Virology
  • Pulmonology

Background:

  • Antiretroviral therapy (ART) has shifted human immunodeficiency virus (HIV) infection from a fatal disease to a chronic condition.
  • HIV targets adaptive immunity but also significantly affects the innate immune system and lung health.
  • Pulmonary innate immunity plays a crucial role in managing HIV infection, even with suppressed viral loads.

Purpose of the Study:

  • To review the intricate relationship between HIV infection and the pulmonary innate immune system.
  • To elucidate how innate immune components respond to and are altered by HIV.
  • To highlight the implications for lung health in individuals with HIV.

Main Methods:

  • Literature review of studies investigating HIV and innate immunity in the lung.
  • Analysis of research on the components of pulmonary innate immunity.
  • Examination of the pathophysiological interactions between HIV and lung innate defenses.

Main Results:

  • HIV profoundly impacts the innate immune system in the lungs.
  • Components of innate immunity both respond to and are perturbed by HIV infection.
  • These interactions have significant consequences for lung health, irrespective of viral suppression.

Conclusions:

  • Understanding HIV's effects on pulmonary innate immunity is critical.
  • Further research is needed to fully grasp these complex interactions.
  • Targeting innate immune pathways may offer new therapeutic avenues for lung complications in HIV.