Active immunization against vasoactive intestinal polypeptide decreases neuronal recruitment and inhibits reproduction in zebra finches

Yulia Vistoropsky, Rachel Heiblum, Nechama Ina Smorodinsky, Anat Barnea

פרסום מחקרי: פרסום בכתב עתמאמרביקורת עמיתים

תקציר

Neurogenesis and neuronal recruitment occur in adult brains of many vertebrates, and the hypothesis is that these phenomena contribute to the brain plasticity that enables organisms to adjust to environmental changes. In mammals, vasoactive intestinal polypeptide (VIP) is known to have many neuroprotective properties, but in the avian brain, although widely distributed, its role in neuronal recruitment is not yet understood. In the present study we actively immunized adult zebra finches against VIP conjugated to KLH and compared neuronal recruitment in their brains, with brains of control birds, which were immunized against KLH. We looked at two forebrain regions: the nidopallium caudale (NC), which plays a role in vocal communication, and the hippocampus (HC), which is involved in the processing of spatial information. Our data demonstrate that active immunization against VIP reduces neuronal recruitment, inhibits reproduction, and induces molting, with no change in plasma prolactin levels. Thus, our observations suggest that VIP has a direct positive role in neuronal recruitment and reproduction in birds. J. Comp. Neurol. 524:2516–2528, 2016.

שפה מקוריתאנגלית
עמודים (מ-עד)2516-2528
מספר עמודים13
כתב עתJournal of Comparative Neurology
כרך524
מספר גיליון12
מזהי עצם דיגיטלי (DOIs)
סטטוס פרסוםפורסם - 15 אוג׳ 2016
פורסם באופן חיצוניכן

הערה ביבליוגרפית

Publisher Copyright:
© 2016 Wiley Periodicals, Inc.

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