Research Papers: Gerotarget (Focus on Aging):

Transplantation of mesenchymal stem cells reverses behavioural deficits and impaired neurogenesis caused by prenatal exposure to valproic acid

Nikolai Gobshtis, Matanel Tfilin, Marina Wolfson, Vadim E. Fraifeld and Gadi Turgeman _

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Oncotarget. 2017; 8:17443-17452. https://doi.org/10.18632/oncotarget.15245

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Nikolai Gobshtis1,2, Matanel Tfilin1, Marina Wolfson2, Vadim E. Fraifeld2 and Gadi Turgeman1

1 Departments of Pre-Medical Studies & Molecular Biology, Ariel University, Ariel, Israel

2 The Shraga Segal Department of Microbiology, Immunology and Genetics, Center for Multidisciplinary Research on Aging, Ben-Gurion University of the Negev, Beer-Sheva, Israel

Correspondence to:

Gadi Turgeman, email:

Keywords: hippocampal neurogenesis, mesenchymal stem cells (MSC), doublecortin (DCX), behavioural disorders, valproic acid (VPA), Gerotarget

Received: December 05, 2016 Accepted: January 24, 2017 Published: February 09, 2017


Neurodevelopmental impairment can affect lifelong brain functions such as cognitive and social behaviour, and may contribute to aging-related changes of these functions. In the present study, we hypothesized that bone marrow-derived mesenchymal stem cells (MSC) administration may repair neurodevelopmental behavioural deficits by modulating adult hippocampal neurogenesis. Indeed, postnatal intracerebral transplantation of MSC has restored cognitive and social behaviour in mice prenatally exposed to valproic acid (VPA). MSC transplantation also restored post-developmental hippocampal neurogenesis, which was impaired in VPA-exposed mice displaying delayed differentiation and maturation of newly formed neurons in the granular cell layer of the dentate gyrus. Importantly, a statistically significant correlation was found between neuronal differentiation scores and behavioural scores, suggesting a mechanistic relation between the two. We thus conclude that post-developmental MSC administration can overcome prenatal neurodevelopmental deficits and restore cognitive and social behaviours via modulation of hippocampal adult neurogenesis.

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