RGD Reference Report - Differential regulation of activity-dependent neuroprotective protein in rat astrocytes by VIP and PACAP. - Rat Genome Database

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Differential regulation of activity-dependent neuroprotective protein in rat astrocytes by VIP and PACAP.

Authors: Zusev, M  Gozes, I 
Citation: Zusev M and Gozes I, Regul Pept. 2004 Dec 15;123(1-3):33-41.
RGD ID: 2312774
Pubmed: PMID:15518891   (View Abstract at PubMed)
DOI: DOI:10.1016/j.regpep.2004.05.021   (Journal Full-text)

Activity-dependent neuroprotective protein (ADNP) was shown to be a vasoactive intestinal peptide (VIP) responsive gene in astrocytes derived from the cerebral cortex of newborn rats. The present study was set out to identify VIP receptors that are associated with increases in ADNP expression in developing astrocytes. Using VIP analogues specific for the VPAC1 and the VPAC2 receptors, it was discovered that VIP induced changes in ADNP expression in astrocytes via the VPAC2 receptor. The constitutive synthesis of ADNP and VPAC2 was shown to be age-dependent and increased as the astrocyte culture developed. Pituitary adenylate cyclase-activating polypeptide (PACAP) also induced changes in ADNP expression. The apparent changes induced by VIP and PACAP on ADNP expression were developmentally dependent, and while stimulating expression in young astrocytes, an inhibition was demonstrated in older cultures. In conclusion, VIP, PACAP and the VPAC2 receptor may all contribute to the regulation of ADNP gene expression in the developing astrocyte.

Objects referenced in this article
Gene Adnp activity-dependent neuroprotector homeobox Rattus norvegicus

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