Related Experiment Video
Updated: Mar 24, 2026
10:04
Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells
Published on: August 1, 2025
1.9K
Dendritic cell activity against primary tumors: an overview
1Department of Molecular Virology, Faculty of Medicine, Hebrew University of Jerusalem, Israel.
In Vivo (Athens, Greece)
|May 1, 1993
Summary
Dendritic cells (DC) are crucial antigen-presenting cells (APC) with significant anticancer properties, shown to prevent metastasis and improve patient survival. Further research into their molecular mechanisms and interactions with tumors is needed.
Area of Science:
- Immunology
- Cancer Biology
- Cellular Biology
Background:
- Bone marrow-derived dendritic cells (DC) are antigen-presenting cells (APC) with poorly understood regulatory effects on epithelial cells.
- Dendritic cells (DC) infiltrate tumors, correlate with improved patient survival, and are associated with tumor regression and prevention of metastasis.
- Activation of DC by immunomodulators may enhance their anti-metastatic capabilities, but the molecular basis of their anticancer activity requires further investigation.
Purpose of the Study:
- To discuss dendritic cell (DC) responses to extrinsic cytokines and immunomodulators.
- To explore the role of DC in anticancer activity, including their ability to induce nitric oxide synthase gene expression.
- To compare the anticancer activity of DC with that of macrophages.
Main Methods:
- Review of existing literature on dendritic cell (DC) function, tumor infiltration, and anticancer activity.
- Analysis of DC responses to cytokines and immunomodulators.
- Discussion of the molecular mechanisms underlying DC-mediated anticancer effects, including nitric oxide synthase induction.
Main Results:
- Dendritic cell (DC) infiltration in human tumors correlates with better patient survival and absence of metastases.
- Activation of DC by immunomodulators appears to enhance their ability to prevent tumor metastasis.
- The molecular basis for DC anticancer activity, including nitric oxide synthase gene induction, is an area needing further elucidation.
Conclusions:
- Dendritic cells (DC) play a critical role in anticancer immunity, influencing tumor regression and metastasis.
- Understanding the molecular mechanisms of DC anticancer activity and their interaction with tumors is essential for developing novel cancer therapies.
- Further research is needed to address how tumors may evade DC infiltration and to fully elucidate the comparative anticancer roles of DC and macrophages.
Related Concept Videos
01:40Cell-mediated Immune Responses
86.0K
Overview
86.0K
01:22T Cell Activation and Clonal Selection
17.2K
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...
17.2K
01:27Tumor Immunotherapy
2.1K
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.
2.1K
01:27Cytotoxic T Cells-mediated Immune Response
7.9K
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...
7.9K
01:30Cancer Vaccines
1.3K
Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
1.3K
01:22Antigen Presenting Cells
4.2K
The immune system is a complex network of cells and molecules that protects the body from foreign invaders. T cells, a type of white blood cell, play a crucial role in this process. They recognize and attack foreign substances, such as pathogens, that enter the body.
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...
4.2K