Abstract:Acute infectious diseases of the respiratory tract are regularly associated with increased concentrations of neopterin in serum and/or urine. Most likely, the pteridine compound is not only a marker of an activated cellular immune system but may exert distinct biochemical functions in the process of infections as well. In response to viral contact, macrophages located in the nasal mucosa may represent a source for neopterin in the nasal cavity with potential hazardous effects on ciliary beat frequency (CBF), t… Show more
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