Recognizing Infected Host Cells

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4 Terms

1
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What do inhibitory receptors bind to?

Cell surface proteins present on all healthy cells.

2
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How do viruses evade immune detection?

By reducing cell surface presentation of protein fragments.

3
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What do activating receptors (e.g., NKG2D) bind to?

MIC-A and MIC-B, which are expressed during cellular stress.

4
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What types of receptors do NK cells have?

Killer-cell immunoglobulin-like receptors (KIR) or lectin-like receptors.