http://www.cnr.it/ontology/cnr/individuo/prodotto/ID59315
Intensification of maternal care by double-mothering selectively boosts cognitive function and hippocampal morphology in the adult offspring (Articolo in rivista)
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- Intensification of maternal care by double-mothering selectively boosts cognitive function and hippocampal morphology in the adult offspring (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
D'Amato F.R.1, Zanettini C.1, Sgobio C.2, Sarli C.1, Carone V.1, Moles A.1,2, Ammassari-Teule M.1,2 (2011)
Intensification of maternal care by double-mothering selectively boosts cognitive function and hippocampal morphology in the adult offspring
in Hippocampus (N.Y.N.Y., Print)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- D'Amato F.R.1, Zanettini C.1, Sgobio C.2, Sarli C.1, Carone V.1, Moles A.1,2, Ammassari-Teule M.1,2 (literal)
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- (*) L'Unità Operativa di Servizio dell'Istituto di Neuroscienze di Roma è stata soppressa il 12/1/2011 con provvedimento prot. n. 0002130 ed è confluita nell'IBCN, costituito il 21/12/2010 con provvedimento prot. n. 0091899. (literal)
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 - CNR Institute of Neuroscience, Rome, Italy(*); 2 - Department of Experimental Neurology, Santa Lucia Foundation, Rome, Italy (literal)
- Titolo
- Intensification of maternal care by double-mothering selectively boosts cognitive function and hippocampal morphology in the adult offspring (literal)
- Abstract
- Mice born from high care-giving females show, as adults,
low anxiety levels, decreased responsiveness to stress, and substantial
improvements in cognitive function and hippocampal plasticity. Given
the relevance of this issue for preventing emotional and cognitive abnormalities
in high-risk subjects, this study examines the possibility to further
enhance the beneficial effects observed in the progeny by augmenting
maternal care beyond the highest levels females can display in
standard laboratory conditions. This was produced by placing a second
female with the dam and its litter in the rearing cage from the partum
until pups weaning. Maternal behavior of all females was scored during
the first week postpartum, and behavioral indices of emotionality, prestress
and poststress corticosterone levels, cognitive performance, and
hippocampal morphology were assessed in the adult offspring. We
found that pups reared by female dyads received more maternal care
than pups reared by dams alone, but as adults, they did not exhibit
alterations in emotionality or corticosterone response estimated in basal
condition or following restraint stress. Conversely, they showed
enhanced performance in hippocampal-dependent tasks including longterm
object discrimination, reactivity to spatial change, and fear conditioning
together with an increase in dendritic length and spine density
in the CA1 region of the hippocampus. In general, the beneficial effects
of dyadic maternal care were stronger when both the females were lactating.
This study demonstrates that double-mothering exerts a longterm
positive control on cognitive function and hippocampal neuronal
connectivity. This experimental manipulation, especially if associated
with increased feeding, might offer a concrete possibility to limit or
reverse the consequences of negative predisposing conditions for
normal cognitive development. (literal)
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