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Vootele Võikar

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Articles

Activation of TrkB in Parvalbumin interneurons is required for the promotion of reversal learning in spatial and fear memory by antidepressants - Neuropsychopharmacology

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By Maria Llach Pou, Laura Kuczynski-Noyau, Vootele Võikar, Sari E. Lauri, Eero Castrén
| Nature Verified
Here, we demonstrate that iPlasticity induced by pharmacological activation of TrkB in PV+ interneurons promotes reversal learning in fear and spatial memory. We also showed that both the potentiation of LTP in Schaffer collaterals to CA1 synapses, and the shift in the configuration of the PV and PNN network to a more plastic state require TrkB expression in hippocampal PV+ interneurons.
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MANF Ablation Causes Prolonged Activation of the UPR without Neurodegeneration in the Mouse Midbrain Dopamine System

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By Tatiana Danilova, Vootele Võikar, Emmi Pakarinen, Piotr Chmielarz
| eneuro.org
Research ArticleResearch Article: New Research, Disorders of the Nervous System Emmi Pakarinen, Tatiana Danilova, Vootele Võikar, Piotr Chmielarz, Petteri Piepponen, Mikko Airavaara, Mart Saarma and Maria Lindahl eNeuro 31 January 2020, 7 (1) ENEURO.0477-19.2019; DOI: https://doi.org/10.1523/ENEURO.0477-19.2019 Abstract Mesencephalic astrocyte-derived neurotrophic factor (MANF) is an endoplasmic reticulum (ER) localized protein that regulates ER homeostasis and unfolded protein response (UPR).
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Repeated brief isoflurane anesthesia during early postnatal development produces negligible changes on adult behavior in male mice

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By Marko Rosenholm, Emmi Paro, Hanna Antila, Vootele Võikar
| PLOS
Brain development is a complex process regulated by genetic programs and activity-dependent neuronal connectivity. Anesthetics profoundly alter neuronal excitability, and anesthesia during early brain development has been consistently associated with neuroapoptosis, altered synaptogenesis, and persistent behavioral abnormalities in experimental animals.
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