Related Experiment Video
Updated: Jul 20, 2026

Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells
Published on: August 5, 2016
Immunity and protection against Brucella abortus.
B Golding1, D E Scott, O Scharf
1Division of Hematology, Office of Blood and Blood Research, Center for Biologics Research and Review, Food and Drug Administration, 1401 Woodmont, Rockville Pike, MD 20852, USA. golding@cber.fda.gov
Brucella abortus causes disease in cattle and humans. The immune system, including innate and adaptive responses, combats this intracellular pathogen.
Area of Science:
- Immunology
- Microbiology
- Veterinary Medicine
Background:
- Brucella abortus is an intracellular pathogen responsible for significant diseases in livestock and humans.
- Understanding the host immune response is crucial for developing effective control strategies.
Purpose of the Study:
- To elucidate the comprehensive immune response mounted against Brucella abortus infection.
- To identify key immune cells and pathways involved in combating B. abortus.
Main Methods:
- The study reviews the multifaceted immune response to B. abortus.
- It details the roles of innate and adaptive immune components.
Main Results:
- The immune response involves a wide array of cells, including antigen-presenting cells, NK cells, CD4(+) and CD8(+) T cells, and B cells.
- Both innate and adaptive immunity are critical for controlling B. abortus.
Conclusions:
- Brucella abortus infection triggers a complex immune surveillance involving multiple cell types.
- Effective control of B. abortus relies on the coordinated action of the entire immune system.
Related Concept Videos
Humoral Immune Responses
Vaccinations
Defense Mechanism Against Infection
In addition, many body organ systems have unique defenses against infection. The skin is an intact, multilayered surface preventing invasion by microorganisms unless impaired. Mucous membranes lining the mouth, nose, and eyelids are barriers...
Active versus Passive Immunity
Active Immunity
Active immunity refers to the resistance one develops...
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...
Defense Against Bacterial Pathogens
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...

