Related Experiment Video
Updated: Jul 9, 2026

Interview: Glycolipid Antigen Presentation by CD1d and the Therapeutic Potential of NKT cell Activation
Published on: December 31, 2007
Going both ways: immune regulation via CD1d-dependent NKT cells
Dale I Godfrey1, Mitchell Kronenberg
1Department of Microbiology and Immunology, University of Melbourne, Parkville, Victoria, Australia. godfrey@unimelb.edu.au
Natural killer T (NKT) cells regulate immune responses in various diseases. These unique T cells, reactive to CD1d and glycolipids, can enhance or suppress immunity, offering potential for novel immunotherapy strategies.
Area of Science:
- Immunology
- Cell Biology
- Medical Research
Background:
- Natural killer T (NKT) cells are a distinct T lymphocyte sublineage.
- NKT cells play a role in regulating immune responses across diverse diseases like autoimmunity, infections, and cancer.
Purpose of the Study:
- To explore the multifaceted roles of NKT cells in various disease models.
- To investigate the capacity of NKT cells to modulate immune responses (suppression or enhancement).
- To examine the potential of NKT cell manipulation for novel immunotherapy.
Main Methods:
- Review of existing literature on NKT cell function and disease association.
- Analysis of NKT cell reactivity to CD1d and glycolipid antigens.
- Examination of cytokine secretion profiles (Th1, Th2, immune regulatory) influenced by NKT cells.
Main Results:
- NKT cells exhibit unique antigen recognition, distinct from conventional T cells.
- These cells can either potentiate or inhibit immune responses.
- NKT cell activity is linked to the secretion of various cytokines, influencing immune polarization.
Conclusions:
- NKT cells possess a dual capacity to regulate immunity, impacting disease progression.
- Understanding NKT cell mechanisms is crucial for developing targeted immunotherapies.
- Manipulation of NKT cells presents a promising avenue for future therapeutic interventions.
Related Concept Videos
Cells of the Innate Immune Response
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...
Immune Surveillance by NK Cells and Phagocytes
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
T Cell Activation and Clonal Selection
Naive T cells that have not yet encountered an antigen express two primary CD...
T Cell Types and Functions
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Cytotoxic T Cells-mediated Immune Response
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Immune Response Against Viral Pathogens
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...

