Abstract Title:

Paternal bisphenol a diet changes prefrontal cortex proteome and provokes behavioral dysfunction in male offspring.

Abstract Source:

Chemosphere. 2017 Jun 14 ;184:720-729. Epub 2017 Jun 14. PMID: 28641223

Abstract Author(s):

Guangying Luo, Ruifen Wei, Shaolin Wang, Jundong Wang

Article Affiliation:

Guangying Luo


Relatively little attention has been given paternal effects on next generation. Given that Bisphenol A (BPA), a ubiquitous compound in maternal diet, may disrupt brain development and behavior, we hypothesized that paternal BPA diet (PBD) could affect offspring development. Prefrontal cortex (PFC), a vital brain region, is involved in emotion and social behavior. To test whether PBD could alter developing PFC, we carried out a proteomics approach for PFC in male juvenile offspring that responded to PBD (50 mg BPA/kg diet). We found that PBD altered the expressions of binding immunoglobulin protein (BIP), CCAAT/-enhancer-binding protein homologous protein (CHOP) and B-cell lymphoma-2 (BCL-2), which could reflect endoplasmic reticulum (ER) stress. In addition, downregulation of myelinogenesis genes and myelin basic protein (MBP) could provoke myelin deficiency. Furthermore, PBD significantly increased anxiety-like behavior and impaired social behavior in male offspring. Taken together, these results revealed the alterations of ER stress and myelin destruction related molecules induced by PBD might be a potential mechanism for the behavior deficits in their male offspring. These findings remind us of the importance of paternal effects in the further environmental exposure research.

Study Type : Animal Study

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