Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

What is the Immune System?01:38

What is the Immune System?

100.3K
Overview
100.3K
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

65.0K
Overview
65.0K
Introduction to Innate and Adaptive Immunity01:21

Introduction to Innate and Adaptive Immunity

11.0K
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,...
11.0K
Cells of the Innate Immune Response01:28

Cells of the Innate Immune Response

8.4K
The innate immune response is an immediate and non-specific response against pathogens, acting swiftly to prevent the spread of infections. The primary cells involved in this response are phagocytes and natural killer (NK) cells.
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
8.4K
Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

3.1K
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
3.1K
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

2.4K
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...
2.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Falsely Undetectable Vancomycin Levels in a Pediatric Patient With Chronic Granulomatous Disease.

The Pediatric infectious disease journal·2021
Same author

Endocarditis Due to Cardiobacterium hominis in a 4-Year-Old Boy, Complicated by Right Lower Lobe Pulmonary Artery Mycotic Aneurysm.

Journal of the Pediatric Infectious Diseases Society·2015
Same author

Rapid intravenous desensitization to colistin.

Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology·2012
Same author

Maternal-infant perinatal transmission of methicillin-resistant and methicillin-sensitive Staphylococcus aureus.

American journal of perinatology·2008
Same author

Postnatal maturation of total cell content and up-regulated surface expression of Mac-1 (CD11b/CD18) in polymorphonuclear leukocytes of human infants.

Journal of leukocyte biology·2008
Same author

The murine myeloid cell line 32Dcl3 as a model system for studying neutrophil functions.

Journal of immunological methods·2003

Related Experiment Video

Updated: May 5, 2026

Quantification of the Respiratory Burst Response as an Indicator of Innate Immune Health in Zebrafish
07:07

Quantification of the Respiratory Burst Response as an Indicator of Innate Immune Health in Zebrafish

Published on: September 12, 2013

21.1K

Innate immune responses to infection.

Michael F Tosi1

  • 1Department of Pediatrics, Mount Sinai School of Medicine, New York, NY, USA. mtosi@maimonidesmed.org

The Journal of Allergy and Clinical Immunology
|August 9, 2005
PubMed
Summary

Innate immunity provides immediate defense against infections without prior exposure. Key components like antimicrobial peptides and Toll-like receptors offer crucial protection, buying time for adaptive immunity to develop.

Area of Science:

  • Immunology
  • Microbiology
  • Cell Biology

Background:

  • The human immune system comprises innate and adaptive branches.
  • Innate immunity offers immediate, non-specific defense against pathogens.
  • Adaptive immunity provides specific, long-term protection but develops slowly.

Purpose of the Study:

  • To elucidate the mechanisms of innate immunity.
  • To highlight the role of innate immunity in early host defense.
  • To explain how innate immunity complements adaptive immunity.

Main Methods:

  • Review of established immunological principles.
  • Analysis of molecular and cellular components of innate immunity.
  • Description of immune cell functions and interactions.

More Related Videos

Using RNA-interference to Investigate the Innate Immune Response in Mouse Macrophages
12:47

Using RNA-interference to Investigate the Innate Immune Response in Mouse Macrophages

Published on: November 3, 2014

11.0K
T Cells Capture Bacteria by Transinfection from Dendritic Cells
11:39

T Cells Capture Bacteria by Transinfection from Dendritic Cells

Published on: January 13, 2016

11.2K

Related Experiment Videos

Last Updated: May 5, 2026

Quantification of the Respiratory Burst Response as an Indicator of Innate Immune Health in Zebrafish
07:07

Quantification of the Respiratory Burst Response as an Indicator of Innate Immune Health in Zebrafish

Published on: September 12, 2013

21.1K
Using RNA-interference to Investigate the Innate Immune Response in Mouse Macrophages
12:47

Using RNA-interference to Investigate the Innate Immune Response in Mouse Macrophages

Published on: November 3, 2014

11.0K
T Cells Capture Bacteria by Transinfection from Dendritic Cells
11:39

T Cells Capture Bacteria by Transinfection from Dendritic Cells

Published on: January 13, 2016

11.2K

Main Results:

  • Innate immunity utilizes antimicrobial peptides, Toll-like receptors, cytokines, chemokines, natural killer cells, complement, and phagocytes.
  • These mechanisms act independently of specific antigenic recognition.
  • Innate immune responses are rapid and crucial for controlling infections before adaptive immunity is established.

Conclusions:

  • Innate immunity is essential for immediate host defense against diverse infectious challenges.
  • The components of innate immunity work synergistically to eliminate pathogens and signal adaptive responses.
  • Innate immunity provides a critical time window for the development of specific adaptive immunity.