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@ARTICLE{Schatz:143930,
author = {K. C. Schatz and L. M. Brown and A. R. Barrett and L. C.
Roth and V. Grinevich$^*$ and M. J. Paul},
title = {{V}iral rescue of magnocellular vasopressin cells in
adolescent {B}rattleboro rats ameliorates diabetes
insipidus, but not the hypoaroused phenotype.},
journal = {Scientific reports},
volume = {9},
number = {1},
issn = {2045-2322},
address = {[London]},
publisher = {Macmillan Publishers Limited, part of Springer Nature},
reportid = {DKFZ-2019-01488},
pages = {8243},
year = {2019},
abstract = {Dysregulated arousal often accompanies neurodevelopmental
disorders such as attention deficit hyperactivity disorder
and autism spectrum disorder. Recently, we have found that
adolescent homozygous Brattleboro (Hom) rats, which contain
a mutation in the arginine vasopressin (AVP) gene, exhibit
lower behavioral arousal than their heterozygous (Het)
littermates in the open field test. This hypoaroused
phenotype could be due to loss of AVP in magnocellular cells
that supply AVP to the peripheral circulation and project to
limbic structures or parvocellular cells that regulate the
stress axis and other central targets. Alternatively,
hypoarousal could be a side effect of diabetes insipidus -
polydipsia and polyuria seen in Hom rats due to loss of AVP
facilitation of water reabsorption in the kidney. We
developed a viral-rescue approach to 'cure' magnocellular
AVP cells of their Brattleboro mutation. Infusion of a
recombinant adeno-associated virus (rAAV) containing a
functional Avp gene and promoter (rAAV-AVP) rescued AVP
within magnocellular cells and fiber projections of the
paraventricular nucleus of the hypothalamus (PVN) of male
and female adolescent Hom rats. Furthermore, water intake
was markedly reduced, ameliorating the symptoms of diabetes
insipidus. In contrast, open field activity was unaffected.
These findings indicate that the hyporaoused phenotype of
adolescent Hom rats is not due to the loss of AVP function
in magnocellular cells or a side effect of diabetes
insipidus, but favors the hypothesis that central,
parvocellular AVP mechanisms underlie the regulation of
arousal during adolescence.},
cin = {V078},
ddc = {600},
cid = {I:(DE-He78)V078-20160331},
pnm = {319H - Addenda (POF3-319H)},
pid = {G:(DE-HGF)POF3-319H},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:31160697},
pmc = {pmc:PMC6546688},
doi = {10.1038/s41598-019-44776-1},
url = {https://inrepo02.dkfz.de/record/143930},
}