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Abstract #3142

Long Term Effects of Developmental Exposure to LP211, a New Serotonin 7 Receptor (5-HT7) Agonist

Rossella Canese1, Paola Porcari1, Luisa Altabella1, Francesca Zoratto1, Francesco de Pasquale2, Giovanni Laviola1, Walter Adriani1

1Cell Biology and Neurosciences, Istituto Superiore di Sanita', Rome, Italy; 2Institute for Advanced Biomedical Technologies, G. DAnnunzio University, Chieti, Italy

LP211 is an agonist of serotonin (5-hydroxytryptamine, 5-HT) receptor 7 (5-HT7). It is proposed for a role in neurogenesis and in patho-physiological processes like anxiety / depression, cognitive / sleep disturbances, and impaired coping with stress. Here, we investigated the long-term consequences of developmental exposure to LP211 on brain metabolism (by in vivo 1H MRS), anatomy (by DTI) and functionality (by functional connectivity). We detect enduring metabolic, anatomic and functional modifications which may perhaps indicate rearrangement in forebrain networks.

Keywords

account actions adolescent adulthood analyses analyzed anatomy animals anisotropy anxiety applied basic biology biomedical blood bold brain carry cell child circadian coil collected compute concentration connected connectivity consequences consistent constructed contra control coping coronal correlation cortex days decreased deeper delineation depression detected developmental diffusion diffusivity distributed disturbances emerging enduring every evidences example exposure field fitting fluctuations fractional frontal functional functionality gems give glutamate gradients grid health hypothesis impaired indicate lateral long manual maps matrix mechanisms memory metabolic metabolism ministry motivation networks nucleus null operating organization oxygen perhaps physiological positioning potential press processes produces profiles program proposed quantification rapid rats rearrangement receptor reduced related respectively resting rhythm role score scores seed seeds seem sessions significance significantly sleep slice slices slow spatial species specifically spectra spin spontaneous statistical step strength stress suggesting support surface system table tail tanner technologies temporal term thalamus tool transmitter treated treatment typical unpaired view whole widely wise young