Related Experiment Video
Updated: Aug 5, 2026

Human In Vitro Suppression as Screening Tool for the Recognition of an Early State of Immune Imbalance
Published on: July 22, 2011
Immune function in healthy adolescents
J A Bartlett1, S J Schleifer, M K Demetrikopoulos
1Department of Psychiatry, UMDNJ-New Jersey Medical School, Newark 07107-3000, USA. bartleja@umdnj.edu
This study explored immune system differences in healthy Black and Hispanic adolescents. Findings revealed variations in immune functioning based on age, gender, and race.
Area of Science:
- Immunology
- Adolescent Health
Background:
- Understanding normal immune system development is crucial for identifying health disparities.
- Adolescence is a critical period for immune system maturation.
Purpose of the Study:
- To investigate immunological functioning in healthy African-American and Latino/Latina adolescents.
- To identify demographic influences on immune parameters in adolescents.
Main Methods:
- Recruitment of adolescents from an inner-city high school and clinic.
- Utilized a comprehensive battery of tests for enumerative and functional immune measures.
- Assessed both innate and adaptive immunity components.
Main Results:
- Observed significant immune differences related to age.
- Identified immune variations associated with gender.
- Found race-specific differences in both enumerative and functional immune measures.
Conclusions:
- Demographic factors such as age, gender, and race influence adolescent immune functioning.
- This research contributes valuable data on normal immunity in diverse adolescent populations.
- Highlights the need for considering demographic variables in adolescent health studies.
More Related Videos
Related Concept Videos
Functions of the Lymphatic and Immune System
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...
Primary Lymphoid Organs
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
Special Features of Adaptive Immunity
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,...
Cells of the Adaptive Immune Response
Development of Immunocompetence
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
Ethnic Identity within a Larger Culture

