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Related Concept Videos

Introduction to Lymphatic and Immune System01:23

Introduction to Lymphatic and Immune System

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Immunity is a crucial biological concept about our body's inherent capacity to prevent infections and diseases. A complex network of cells and tissues collectively known as the immune system facilitates this natural defense mechanism. The immune system plays an integral role in maintaining our health and well-being, shielding us from potential health threats.
The immune responses can be categorized into two types: innate and adaptive. Innate immunity comprises nonspecific defenses we are born...
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What is the Immune System?01:38

What is the Immune System?

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Overview
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Introduction to Innate and Adaptive Immunity01:21

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The human immune system is a complex defense mechanism that protects the body from harmful pathogens and foreign substances. It comprises two crucial components: innate and adaptive immunity.
Innate immunity is the body's natural, nonspecific defense system that acts quickly to protect against pathogens. It incorporates physical barriers like skin and mucous membranes and cellular elements such as phagocytes and natural killer cells. This part of our immune system provides an immediate,...
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Functions of the Lymphatic and Immune System01:28

Functions of the Lymphatic and Immune System

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The lymphatic system plays a crucial role in bolstering our immune system. It consists of a network of lymphoid organs, lymph, and lymphatic vessels that provide structural and functional support in safeguarding the body against pathogens such as viruses and bacteria.
The primary lymphoid organs, including the bone marrow and the thymus, serve as the maturation sites for lymphocytes. Secondary lymphoid organs, like the mucosa-associated lymphoid tissue, activate these lymphocytes and serve as...
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Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

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The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
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Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
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Overview of the immune system.

Kay L Medina1

  • 1Department of Immunology and Department of Medicine, Mayo Clinic, Rochester, MN, USA.

Handbook of Clinical Neurology
|April 27, 2016
PubMed
Summary

The immune system protects against pathogens but can mistakenly attack the nervous system, causing autoimmune neurologic disorders. Understanding immune responses is key to developing new treatments.

Area of Science:

  • Immunology
  • Neuroscience
  • Autoimmunity

Background:

  • The immune system defends against pathogens but requires tolerance checkpoints to prevent self-attack.
  • Autoantibodies targeting neural antigens are implicated in various neurologic diseases.
  • Existing immune surveillance mechanisms can fail, leading to autoimmune conditions.

Purpose of the Study:

  • To establish a foundational understanding of the immune system for comprehending autoimmunity.
  • To explore the role of innate and adaptive immunity in neurologic disorders.
  • To review current and emerging therapeutic strategies for autoimmune diseases.

Main Methods:

  • Overview of innate immunity mechanisms and their role in demyelinating diseases.
  • Analysis of B and T lymphocytes in adaptive immunity and neurologic disease pathophysiology.
Keywords:
B cellT celladaptive immunityantibodyautoimmuneinnate immunityneurologic diseasetherapeutics

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  • Review of emerging therapeutic modalities for autoimmune conditions.

    • Main Results:

    • Innate immune mechanisms contribute to demyelinating diseases.
    • Adaptive immune cells (B and T lymphocytes) play a significant role in neurologic disease.
    • Various therapeutic approaches are being developed for autoimmune disorders.

    Conclusions:

    • A comprehensive understanding of immune system principles is crucial for addressing autoimmune neurologic disorders.
    • Both innate and adaptive immunity are critical components in the development and progression of neurologic diseases.
    • Emerging therapies offer promise for managing autoimmune conditions affecting the nervous system.