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a class of antiviral proteins that interfere with viral multiplication


are interferons host-cell specific?


are interferons virus-specific?


INF that causes macrophages to produce nitric oxide, kills bacteria, and tumor cells by inhibiting ATP production


INF that increases expression of class I and class II molecules and increase antigen presentation

alpha and beta

INF produced by virus-infected host cells. they react with plasma or nuclear membrane receptors, inducing synthesis of AVPs

antiviral proteins

proteins that disrupt various stages of viral multiplication

iron binding proteins

proteins that transport and store iron

transferrin, lactoferrin, ferritin, hemoglobin

4 types of iron binding proteins


proteins secreted by pathogenic bacteria to obtain iron

antimicrobial peptides

short peptides that inhibit cell wall synthesis, form pores in plasma membranes, destroy DNA and RNA

dermicidin, defensins, cathelicidins, thrombocidin

four examples of antimicrobial peptides

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