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Article Publish Status: FREE
Abstract Title:

Bisphenol A Deranges the Endocannabinoid System of Primary Sertoli Cells with an Impact on Inhibin B Production.

Abstract Source:

Int J Mol Sci. 2020 Nov 26 ;21(23). Epub 2020 Nov 26. PMID: 33256105

Abstract Author(s):

Gianna Rossi, Beatrice Dufrusine, Anna Rita Lizzi, Carla Luzi, Alessandra Piccoli, Filomena Fezza, Roberto Iorio, Gabriele D'Andrea, Enrico Dainese, Sandra Cecconi, Mauro Maccarrone

Article Affiliation:

Gianna Rossi

Abstract:

Bisphenol A (BPA) is an endocrine disruptor that negatively affects spermatogenesis, a process where Sertoli cells play a central role. Thus, in the present study we sought to ascertain whether BPA could modulate the endocannabinoid (eCB) system in exposed mouse primary Sertoli cells. Under our experimental conditions, BPA turned out to be cytotoxic to Sertoli cells with an half-maximal inhibitory concentration (IC) of ~6.0µM. Exposure to a non-cytotoxic dose of BPA (i.e., 0.5 μM for 48 h) increased the expression levels of specific components of the eCB system, namely: type-1 cannabinoid (CB) receptor and diacylglycerol lipase-α (DAGL-α), at mRNA level, type-2 cannabinoid (CB) receptor, transient receptor potential vanilloid 1 (TRPV1) receptors, and DAGL-β, at protein level. Interestingly, BPA also increased the production of inhibin B, but not that of transferrin, and blockade of either CBreceptor or TRPV1 receptor further enhanced the BPA effect. Altogether, our study provides unprecedented evidence that BPA deranges the eCB system of Sertoli cells towards CB- and TRPV1-dependent signal transduction, both receptors being engaged in modulating BPA effects on inhibin B production. These findings add CBand TRPV1 receptors, and hence the eCB signaling, to the other molecular targets of BPA already known in mammalian cells.

Study Type : In Vitro Study

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