Related Experiment Video
Updated: Jun 8, 2026
08:00
Intravital Imaging of Intraepithelial Lymphocytes in Murine Small Intestine
Published on: June 24, 2019
Intraepithelial lymphocytes: to serve and protect
Brian S Sheridan1, Leo Lefrançois
1Department of Immunology, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030, USA. bsheridan@uchc.edu
Current Gastroenterology Reports
|October 5, 2010
Summary
The mucosal immune system balances pathogen defense and commensal coexistence. Understanding intestinal intraepithelial lymphocytes is key to maintaining this crucial immune homeostasis.
Area of Science:
- Immunology
- Microbiology
- Gastroenterology
Background:
- The mucosal immune system faces constant microbial exposure.
- Maintaining immune balance is vital for health, preventing autoimmunity and pathogen invasion.
- Intestinal intraepithelial lymphocytes are critical immune cells at the gut barrier.
Purpose of the Study:
- To highlight the importance of the mucosal immune system.
- To emphasize the role of intestinal intraepithelial lymphocytes in immunity.
- To underscore the need for understanding immune responses to microbes.
Main Methods:
- Review of existing literature on mucosal immunity.
- Analysis of the function of intestinal intraepithelial lymphocytes.
- Discussion of immune system balance in the gut.
Main Results:
- The mucosal immune system requires precise regulation.
- Intestinal intraepithelial lymphocytes act as a primary defense.
- Failure to balance responses can lead to disease.
Conclusions:
- Understanding intestinal intraepithelial lymphocyte function is critical for mucosal immunity.
- Appropriate immune responses are essential for gut health.
- Further research into immune homeostasis is warranted.
Related Concept Videos
01:18Lymphoid Cells and Tissues
Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
01:15Secondary Lymphoid Organs
Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
01:23Epithelial Tissues and Their Functions
Epithelial tissues are large sheets of cells covering all of the surfaces of the body. These surfaces can be internal or external, for example, skin, airways, the digestive tract, the urinary system, and the reproductive system. Hollow organs and body cavities that do not connect to the body's exterior, including blood vessels and serous membranes, are lined by epithelial tissue known as the endothelium.
Epithelial tissues provide the body's first line of protection from physical, chemical, and...
Epithelial tissues provide the body's first line of protection from physical, chemical, and...
01:28Functions of the Lymphatic and Immune System
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...
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...
01:40Cell-mediated Immune Responses
Overview
01:23Introduction to Lymphatic and Immune System
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...
The immune responses can be categorized into two types: innate and adaptive. Innate immunity comprises nonspecific defenses we are born...