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It has been acknowledged that aging exerts detrimental effects on cells of the innate immune system and that neuropeptides, including neuropeptide Y (NPY) and NPY-related peptides fine-tune the activity of these cells through a receptor specific mechanism. The present study investigated the age-dependent potential of peptide YY (PYY) to modulate different granulocyte functions. The PYY reduced the...
It is well documented that neuropeptide Y (NPY) exerts a wide range of biological functions through at least five NPY Y receptor subtypes (Y1–Y5), but its immunological effects only recently came into focus. Using NPY family peptides and NPY-related receptor-specific peptides as well as Y1 and Y2 receptor antagonists, we have tested which NPY Y receptors are involved in NPY-induced modulation of rat...
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