HYPERSENSITIVITY
CYTOKINES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What cytokine is produced by a plasmacytoid dendritic cell when it detects a virus infected cell? This in turns “warns” neighboring cells of the virus attack.
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Interferon-alpha
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Complement C3b
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IL-1beta
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Interferon-gamma
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Explanation:
Detailed explanation-1: -Some cytokines also have a role in defense and interfere with viral replication and, as such, are called interferons. IFNs released by virally infected cells create a barrier around neighbouring cells and create viral resistance.
Detailed explanation-2: -In particular, type I interferons (both IFN- and the multiple IFN- molecules) are the key cytokines produced after viral infection that mediate induction of both the innate immune response and the subsequent development of adaptive immunity to viruses1, 2, 8.
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