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Abstract Title:

Resveratrol Ameliorates Dysregulation of Th1, Th2, Th17, and T Regulatory Cell-Related Transcription Factor Signaling in a BTBR T + tf/J Mouse Model of Autism.

Abstract Source:

Mol Neurobiol. 2016 Aug 30. Epub 2016 Aug 30. PMID: 27578011

Abstract Author(s):

Saleh A Bakheet, Mohammad Zeed Alzahrani, Mushtaq Ahmad Ansari, Ahmed Nadeem, Khairy M A Zoheir, Sabry M Attia, Laila Yousef Al-Ayadhi, Sheikh Fayaz Ahmad

Article Affiliation:

Saleh A Bakheet

Abstract:

Autism spectrum disorder (ASD) is a neurodevelopmental disorder. It is characterized by impaired social communication, abnormal social interactions, and repetitive behaviors and/or restricted interests. BTBR T + tf/J (BTBR) inbred mice are commonly used as a model for ASD. Resveratrol is used widely as a beneficial therapeutic in the treatment of an extensive array of pathologies, including neurodegenerative diseases. In the present study, the effect of resveratrol administration (20 and 40 mg/kg) wasevaluated in both BTBR and C57BL/6 (B6) mice. Behavioral (self-grooming), Foxp3, T-bet, GATA-3, RORγt, and IL-17A in CD4(+) T cells were assessed. Our study showed that BTBR control mice exhibited a distinct immune profile from that of the B6 control mice. BTBR mice were characterized by lower levels of Foxp3(+) and higher levels of RORγt(+), T-bet(+), and GATA-3(+) production in CD4(+) T cells when compared with B6 control. Resveratrol (20 and 40 mg/kg) treatment to B6 and BTBR mice showed substantial induction of Foxp3(+) and reduction of T-bet(+), GATA-3(+), and IL-17A(+) expression inCD4(+) cells when compared with the respective control groups. Moreover, resveratrol treatment resulted in upregulated expression of Foxp3 mRNA and decreased expression levels of T-bet, GATA-3, RORγt, and IL-17A in the spleen and brain tissues. Western blot analysis confirmed that resveratrol treatment decreased the protein expression of T-bet, GATA-3, RORγ, and IL-17 and that it increased Foxp3 in B6 and BTBR mice. Our results suggest that autism is associated with dysregulation of transcription factor signaling that can be corrected by resveratrol treatment.

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Sayer Ji
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