Human Immune Cells
Human Immune Cells - Related Videos
03:06
Developing a Humanized Mouse Model with Human Liver Cells and Immune Cells
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2025
This video demonstrates a method for generating a dual humanized mouse model with a human immune system and liver cells. It involves transplanting human liver cells and hematopoietic stem and progenitor cells into a transgenic immunodeficient mouse via intrasplenic injection, leading to engraftment of liver cells and development of human immune cells.
11:38
Stem-cell Based Engineered Immunity Against HIV Infection in the Humanized Mouse Model
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Cited by 19 •
2016
This protocol describes the methods in constructing a humanized bone-marrow/liver/thymus mouse model with stem cell-based engineered immunity against HIV infection.
02:22
Real-Time Assessment of the Antifungal Activity of Primary Human Immune Cells
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2025
This video demonstrates live cell imaging for the analysis of antifungal activity in human neutrophils using fluorescent Aspergillus reporter conidia. Initially, both red and magenta fluorescence are detected within neutrophils, while red fluorescence decreases over time, indicating the degradation of conidia and confirming the antifungal activity of neutrophils.
07:26
Isolation of Functional Cardiac Immune Cells
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Cited by 9 •
2011
This method for isolating functional immune cells from the heart provides an alternative to the conventional methods of collagenase digestion, which causes unwanted immune cell activation, resulting in a decreased responsiveness of these cells. Our method of isolation yields functional cardiac immune cells by avoiding problems associated with enzymatic digestion.
09:01
An In vitro Model to Study Immune Responses of Human Peripheral Blood Mononuclear Cells to Human Respiratory Syncytial Virus Infection
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Cited by 15 •
2013
Human respiratory syncytial virus (HRSV) can cause severe bronchiolitis in young infants. Part of the pathogenesis of severe HRSV disease is caused by the host immune response. Stimulation of primary human immune cells with HRSV provides a fast and reproducible model system to study activation of inflammatory pathways and infection.
FAQs
The major functional contrast is speed versus specificity. Innate cells respond rapidly through mechanisms such as phagocytosis, inflammatory signaling, and targeted cytotoxicity, whereas adaptive lymphocytes use antigen-specific receptors to recognize particular targets. This division allows the immune system to provide immediate defense while also developing responses that can support longer-term immune memory.
These innate cell types use different response strategies. Neutrophils and macrophages contribute to defense through phagocytosis, which enables cellular uptake of targets, while macrophages also participate in inflammatory signaling. Natural killer cells provide targeted cytotoxicity, meaning they can directly damage selected abnormal cells. Together, these activities support rapid responses to pathogens and tissue damage.
Adaptive lymphocytes rely on antigen-specific receptors to coordinate responses against particular targets. This recognition supports antibody production and helps organize a tailored immune reaction rather than a generalized response. The same adaptive system can establish immune memory, allowing previous antigen exposure to remain biologically relevant when researchers study protection, infection, or vaccine responses.
Researchers examine immune cells in blood, tissues, and laboratory cultures, using each setting to investigate different aspects of cell behavior. These systems can support studies of pathogen responses, inflammatory activity, abnormal-cell recognition, or adaptive immune function. Comparing observations across sources helps connect cellular mechanisms with the broader biology of health and disease.
Blood and tissues provide complementary research contexts. Blood allows investigators to examine circulating immune cells, whereas tissue studies place cellular responses within the sites where damage, infection, or abnormal growth may occur. Together, these materials help researchers connect immune-cell activity with local tissue conditions and with systemic patterns relevant to human biology.
Their study contributes to understanding infection, inflammation, autoimmunity, cancer, and immunodeficiency. It also supports development of vaccines, immunotherapies, diagnostic tests, and cell-based treatments. These applications depend on linking specific cellular activities, such as antibody production, inflammatory signaling, or cytotoxicity, with disease mechanisms and measurable clinical or laboratory outcomes.