Pathogen Immune Receptor
Pathogen Immune Receptor - Related Videos
02:26
Analysis of Macrophage Receptor Interactions with Pathogenic Bacteria Using Flow Cytometry
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2026
Source: Barbero, A. M., et al. Fluorescence Assays for the Study of Mycobacterium tuberculosis Interaction with the Immune Receptor SLAMF1. J. Vis. Exp. (2025)This video demonstrates the procedure for labeling host immune receptors that bind bacterial surface antigens, enabling their detection through flow cytometry.
04:00
A Murine Skin Wound Infection Model to Study the Immune Response against a Bacterial Pathogen
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2025
This video demonstrates a technique to generate a murine model of skin wound infection. Upon infecting mice — engineered to express a fluorescent protein in neutrophils — with a genetically modified bioluminescent Staphylococcus aureus — a pathogenic bacteria. The bacterial burden at the infection site and the neutrophil recruitment dynamics can be studied using whole animal imaging.
01:29
Immune Response Against Viral Pathogens
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2024
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...
08:45
Assay for Pathogen-Associated Molecular Pattern (PAMP)-Triggered Immunity (PTI) in Plants
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Cited by 23 •
2009
A cell death-based assay for PTI in Nicotiana benthamiana plants is described.
05:58
Using DNA-Based Tension Probes to Assess Receptor Forces Applied by Immune Cells
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2025
The video demonstrates a method for assessing receptor forces applied by immune cells using polyethylene glycol-anchored gold nanoparticles and DNA hairpin tension probes. CD8-positive T cell interactions trigger probe unfolding, emitting fluorescence while locking strands sustain the signal for quantifying the forces applied by immune cells.
FAQs
After a pathogen-associated molecular pattern is detected, the receptor engages adaptor proteins that relay the signal to transcription factors. These factors change gene expression, promoting cytokine and interferon production, inflammation, and antimicrobial responses. Following this sequence helps explain how an initial molecular encounter becomes coordinated innate immune defense.
Different receptors can respond to different classes of microbial signatures, including nucleic acids, lipids, or proteins. That molecular selectivity gives the immune system more than a generic alarm: it links particular microbial features to receptor signaling while helping separate infectious material from host tissue. This distinction is central to effective detection.
Activation is protective when it supports microbial control, but the same signaling network can contribute to dysregulation if immune activation becomes excessive. Receptor biology therefore has two connected questions: how signaling initiates cytokines, interferons, inflammation, and antimicrobial activity, and how abnormal activation may contribute to inflammatory disorders. This balance shapes infection outcomes.
Studies can follow the pathway from microbial signature recognition through adaptor proteins and transcription factors to downstream immune outputs. Investigators can then ask whether the response improves infection control, whether microbes appear to evade detection, and whether signaling becomes dysregulated. This framework connects molecular receptor biology with observable defense and disease-related consequences.
Receptor biology supports vaccine and infectious disease diagnostic research by clarifying which microbial signatures trigger immune responses and how those responses are transmitted. That information helps investigators connect pathogen detection with immune activation and infection control, making these receptors relevant both to understanding protective responses and to developing ways to assess infection.
Because receptor signaling can promote protective cytokines, interferons, inflammation, and antimicrobial responses, it is relevant to immunotherapy research. At the same time, excessive activation can drive inflammatory disorders. Research therefore considers both strengthening useful immune defense and controlling harmful signaling, with implications for infection treatment and disorders caused by immune overactivation.