Podcast
Questions and Answers
Which receptor binds to ICAM?
Which receptor binds to ICAM?
- MHC/Ag
- FcR
- TCR/CD3 complex
- LFA-1 integrin (correct)
What facilitates the entry of granzymes into the target cell?
What facilitates the entry of granzymes into the target cell?
- TCR/CD3 complex interaction
- FcR recognition
- Perforin-mediated pore formation (correct)
- MHC/Ag binding
Which cells use similar mechanisms to kill target cells as NK cells?
Which cells use similar mechanisms to kill target cells as NK cells?
- NK cells (correct)
- Macrophages
- CD4+ T cells
- Neutrophils
What mechanism is used by NK cells, macrophages, neutrophils, and eosinophils to eliminate pathogens?
What mechanism is used by NK cells, macrophages, neutrophils, and eosinophils to eliminate pathogens?
What contributes to pathogen clearance through direct killing by CTL or NK cells?
What contributes to pathogen clearance through direct killing by CTL or NK cells?
Which type of cells collaborate as bridges with cellular responses?
Which type of cells collaborate as bridges with cellular responses?
What do macrophages eliminate once activated by T cells?
What do macrophages eliminate once activated by T cells?
What is the main regulator of NK cell activation?
What is the main regulator of NK cell activation?
Which molecule acquires high avidity for its ligand after antigen recognition?
Which molecule acquires high avidity for its ligand after antigen recognition?
Which mechanism leads to DNA fragmentation and does not require mRNA or protein synthesis?
Which mechanism leads to DNA fragmentation and does not require mRNA or protein synthesis?
What is the function of Helper T cells?
What is the function of Helper T cells?
How do CTLs recognize foreign antigens?
How do CTLs recognize foreign antigens?
What is the role of IL-2 in CTL activation?
What is the role of IL-2 in CTL activation?
How do NK cells recognize target cells?
How do NK cells recognize target cells?
What are the pathways involved in the destruction of target cells by CTLs?
What are the pathways involved in the destruction of target cells by CTLs?
What is the function of TH17 subset of Helper T cells?
What is the function of TH17 subset of Helper T cells?
What is the primary function of TFH subset of Helper T cells?
What is the primary function of TFH subset of Helper T cells?
What is the main function of TREG subset of Helper T cells?
What is the main function of TREG subset of Helper T cells?
What is the role of ADCC and IgE-mediated activation of eosinophils in helminthic infections?
What is the role of ADCC and IgE-mediated activation of eosinophils in helminthic infections?
What are the events in the destruction of target cells by CTLs?
What are the events in the destruction of target cells by CTLs?
Flashcards
ICAM receptor
ICAM receptor
LFA-1 integrin is a receptor that binds to ICAM molecules.
Granzyme entry
Granzyme entry
Perforin creates pores in the target cell membrane allowing granzymes to enter.
Target cell killing mechanism
Target cell killing mechanism
CTLs and NK cells use similar mechanisms like perforin and granzymes for killing target cells.
Pathogen elimination
Pathogen elimination
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Cellular effector responses
Cellular effector responses
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Cellular bridges
Cellular bridges
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Macrophage activation
Macrophage activation
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NK cell activation
NK cell activation
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High avidity binding
High avidity binding
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DNA fragmentation mechanism
DNA fragmentation mechanism
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Helper T cell function
Helper T cell function
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CTL antigen recognition
CTL antigen recognition
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CTL activation
CTL activation
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NK cell target recognition
NK cell target recognition
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CTL target destruction
CTL target destruction
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TH17 function
TH17 function
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TFH function
TFH function
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TREG function
TREG function
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ADCC and IgE roles
ADCC and IgE roles
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CTL target destruction events
CTL target destruction events
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