Related Experiment Video
Updated: Jul 20, 2026
18:08
Interview: Glycolipid Antigen Presentation by CD1d and the Therapeutic Potential of NKT cell Activation
Published on: December 31, 2007
Glycolipids for natural killer T cells
Paul B Savage1, Luc Teyton, Albert Bendelac
1Department of Chemistry and Biochemistry, Brigham Young University, C100 BNSN, Provo, UT 84602, USA. paul_savage@byu.edu
Chemical Society Reviews
|August 29, 2006
Summary
Natural killer T cells (NKT cells) are key regulators of immune responses. Recent research has advanced understanding of the glycolipid antigens and CD1d protein that activate these critical immune cells.
Area of Science:
- Immunology
- Cellular Biology
- Molecular Medicine
Background:
- Natural killer T cells (NKT cells) are crucial immune regulators involved in autoimmune and infectious diseases.
- NKT cell activation is dependent on the presentation of glycolipid antigens by the CD1d protein.
- Understanding NKT cell recognition is vital for developing novel immunotherapies.
Purpose of the Study:
- To summarize recent advancements in understanding NKT cell recognition of glycolipid antigens.
- To elucidate the specific lipid and carbohydrate requirements for NKT cell stimulation.
- To identify natural antigens recognized by NKT cells.
Main Methods:
- Review of recent scientific literature on NKT cell immunology.
- Analysis of studies detailing glycolipid antigen structures and their interaction with CD1d.
- Identification and characterization of naturally occurring antigens stimulating NKT cells.
Main Results:
- Significant progress has been made in characterizing the molecular basis of NKT cell activation.
- Specific lipid and carbohydrate moieties essential for NKT cell stimulation have been identified.
- Several "natural" glycolipid antigens capable of inducing NKT cell responses have been discovered.
Conclusions:
- The past decade has yielded substantial insights into NKT cell antigen recognition.
- This enhanced understanding provides a foundation for targeted therapeutic strategies involving NKT cells.
- Further research into natural NKT cell antigens may reveal new avenues for immune modulation.
Related Concept Videos
01:27Cytotoxic T Cells-mediated Immune Response
Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
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...
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...
01:28Cells of the Innate Immune Response
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...
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...
01:25Immune Surveillance by NK Cells and Phagocytes
Immune surveillance is an integral part of the innate immune system, involving the continuous monitoring of peripheral tissues to detect and respond to pathogens, infected cells, or cancerous cells. This surveillance is conducted primarily by natural killer (NK) cells and phagocytes, which employ distinct but complementary mechanisms to identify and eliminate threats.
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
01:29Immune Response Against Viral Pathogens
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...
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...
01:22T Cell Activation and Clonal Selection
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
Naive T cells that have not yet encountered an antigen express two primary CD...
01:27Tumor Immunotherapy
Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.