Document Detail

The Ketogenic Diet Modifies Social and Metabolic Alterations Identified in the Prenatal Valproic Acid Model of Autism Spectrum Disorder.
MedLine Citation:
PMID:  25011527     Owner:  NLM     Status:  Publisher    
Autism spectrum disorder (ASD) is a highly prevalent neurodevelopmental disorder characterized by abnormal social interactions, communication deficits and stereotyped or repetitive behaviors. Although the etiology of ASD remains elusive, converging lines of research indicate that mitochondrial dysfunction may play a substantive role in disease pathophysiology. Without an established causal link, the generation of therapeutic targets for ASD has been relatively unsuccessful and has focused solely on individual symptoms. The ketogenic diet (KD) is a high-fat low-carbohydrate diet that has previously been used for the treatment of intractable epilepsy and is known to enhance mitochondrial function. The purpose of this study was to determine if the KD could reverse the social deficits and mitochondrial dysfunction identified in the prenatal valproic acid (VPA) rodent model of ASD. Sprague-Dawley dams were administered VPA or saline on gestational day 12.5. The pups were treated with the KD or their standard diet (SD) for 10 days beginning on postnatal day 21 (PD21). On PD35 juvenile play behavior was tested with the play-fighting paradigm and rats were then sacrificed for mitochondrial bioenergetic analysis. The offspring exposed to VPA prenatally demonstrated a significant decrease in the number of play initiations/attacks and this was reversed with the KD. Prenatal VPA exposure also disrupted the pattern of play responses; VPA/SD animals used complete rotations more often than saline control animals. Treatment with the KD did not affect the number of complete rotations. In addition, while prenatal exposure to VPA altered mitochondrial respiration, the KD was able to restore aspects of bioenergetic dysfunction. As the KD was able to modify complex social behaviors and mitochondrial respiration, it may be a useful treatment option for ASD. Future studies will need to examine the effectiveness of the KD to reverse the two additional core deficits of ASD and to explore various treatment regimens to determine optimal treatment duration and formulation. © 2014 S. Karger AG, Basel.
Younghee Ahn; Mariam Narous; Rose Tobias; Jong M Rho; Richelle Mychasiuk
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-8
Journal Detail:
Title:  Developmental neuroscience     Volume:  -     ISSN:  1421-9859     ISO Abbreviation:  Dev. Neurosci.     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-7-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7809375     Medline TA:  Dev Neurosci     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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