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Journal of Integrative Neuroscience  2021, Vol. 20 Issue (1): 21-31    DOI: 10.31083/j.jin.2021.01.332
Special Issue: Neuropeptides in the central nervous system that impact the affective spectrum
Original Research Previous articles | Next articles
Effects of maternal immune activation in porcine transcript isoforms of neuropeptide and receptor genes
Bruce R. Southey1, *(), Pan Zhang2, Marissa R. Keever1, Haley E. Rymut1, Rodney W. Johnson1, 3, Jonathan V. Sweedler3, 4, Sandra L. Rodriguez-Zas1, 2, 3, 5, *()
1Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
2Illinois Informatics Institute, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
3Neuroscience Program, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
4Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
5Department of Statistics, University of Illinois at Urbana-Champaign, Urbana, 61801 IL, USA
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Abstract  
The prolonged effects of maternal immune activation in response stressors during gestation on the offspring's molecular pathways after birth are beginning to be understood. An association between maternal immune activation and neurodevelopmental and behavior disorders such as autism and schizophrenia spectrum disorders has been detected in long-term gene dysregulation. The incidence of alternative splicing among neuropeptides and neuropeptide receptor genes, critical cell-cell signaling molecules, associated with behavior may compromise the replicability of reported maternal immune activation effects at the gene level. This study aims to advance the understanding of the effect of maternal immune activation on transcript isoforms of the neuropeptide system (including neuropeptide, receptor and connecting pathway genes) underlying behavior disorders later in life. Recognizing the wide range of bioactive peptides and functional receptors stemming from alternative splicing, we studied the effects of maternal immune activation at the transcript isoform level on the hippocampus and amygdala of three-week-old pigs exposed to maternal immune activation due to viral infection during gestation. In the hippocampus and amygdala, 29 and 9 transcript isoforms, respectively, had maternal immune activation effects (P-value < 0.01). We demonstrated that the study of the effect of maternal immune activation on neuropeptide systems at the isoform level is necessary to expose opposite effects among transcript isoforms from the same gene. Genes were maternal immune activation effects have also been associated with neurodevelopmental and behavior disorders. The characterization of maternal immune activation effects at the transcript isoform level advances the understanding of neurodevelopmental disorders and identifies precise therapeutic targets.
Key words:  Maternal immune activation      Neuropeptide      Autism      Alternative splicing     
Submitted:  14 October 2020      Revised:  11 December 2020      Accepted:  09 February 2021      Published:  30 March 2021     
Fund: 
2018-67015-27413/USDA NIFA AFRI
P30 DA018310/NIH National Institute on Drug Abuse
*Corresponding Author(s):  southey@illinois.edu (Bruce R. Southey); rodrgzzs@illinois.edu (Sandra L. Rodriguez-Zas)   

Cite this article: 

Bruce R. Southey, Pan Zhang, Marissa R. Keever, Haley E. Rymut, Rodney W. Johnson, Jonathan V. Sweedler, Sandra L. Rodriguez-Zas. Effects of maternal immune activation in porcine transcript isoforms of neuropeptide and receptor genes. Journal of Integrative Neuroscience, 2021, 20(1): 21-31.

URL: 

https://jin.imrpress.com/EN/10.31083/j.jin.2021.01.332     OR     https://jin.imrpress.com/EN/Y2021/V20/I1/21

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