Related Experiment Video
Updated: May 4, 2026
10:32
Optimized Protocols for Mycobacterium leprae Strain Management: Frozen Stock Preservation and Maintenance in Athymic Nude Mice
Published on: March 23, 2014
18.2K
Leprosy as a model of immunity
Yang Degang1, Kazuaki Nakamura, Takeshi Akama
1Leprosy Research Center, National Institute of Infectious Diseases, 4-2-1 Aoba-cho, Higashimurayama, Tokyo 189-0002, Japan.
Future Microbiology
|December 17, 2013
Summary
Leprosy
Area of Science:
- Immunology
- Infectious Diseases
- Microbiology
Background:
- Leprosy presents diverse clinical forms, including lepromatous and tuberculoid leprosy, and reactions (Type I and II).
- These variations are linked to the host's immune response to Mycobacterium leprae.
- Mycobacterium leprae primarily infects dermal macrophages and peripheral nerve Schwann cells.
Purpose of the Study:
- To explore the immunological factors influencing leprosy's clinical spectrum.
- To investigate the role of M. leprae recognition and immune activation in disease manifestation.
- To understand how M. leprae in organs like the liver impacts leprosy phenotypes.
Main Methods:
- Review of existing literature on leprosy pathogenesis and immunology.
- Analysis of host immune responses to Mycobacterium leprae.
- Examination of M. leprae tropism and dissemination.
Main Results:
- Host immune response significantly dictates the clinical presentation of leprosy.
- Differential recognition of M. leprae and subsequent T-cell activation are crucial.
- M. leprae presence in non-neural tissues may modulate disease severity and type.
Conclusions:
- Leprosy serves as a key model for studying host immunity in infectious diseases.
- Understanding immune responses is vital for managing leprosy and its complications.
- Further research into M. leprae-host interactions can reveal new therapeutic targets.
Related Concept Videos
01:31Defense Against Bacterial Pathogens
3.0K
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
3.0K
01:20Special Features of Adaptive Immunity
3.7K
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
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,...
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,...
3.7K
01:22Development of Immunocompetence
1.2K
The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
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...
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...
1.2K
01:40Cell-mediated Immune Responses
64.7K
Overview
64.7K