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Can I read PCB153 reduces apoptosis in primary cultures of murine pituitary cells through the activation of NF-ÎoB mediated by PI3K/Akt on EtoBox?
PCB153 reduces apoptosis in primary cultures of murine pituitary cells through the activation of NF-ÎoB mediated by PI3K/Akt by Urbani, Claudio; Mattiello, Alessandro; Ferri, Gianmarco; Raggi, Francesco; Russo, Dania; Marconcini, Giulia; Cappellani, Daniele; Manetti, Luca; Marcocci, Claudio; Cardarelli, Francesco; Bogazzi, Fausto is a Medicine article available to read on EtoBox.
What is PCB153 reduces apoptosis in primary cultures of murine pituitary cells through the activation of NF-ÎoB mediated by PI3K/Akt about?
Polychlorinated biphenyls (PCBs) are persistent pollutants involved in human tumorigenesis. PCB153 is a ubiquitous non-dioxin-like PCB with proliferative and anti-apoptotic effects. To explore the impact of PCB153 in the survival of pituitary cells, we exposed murine pituitary primary cells to PCB153 10 μM for 24 h. Apoptosis was assessed by RT-qPCR, Western-blot, immunoprecipitation, caspase activity, and immunofluorescence. We found that PCB153 decreased pituitary apoptosis through both the extrinsic and intrinsic pathways. PCB153 reduced the level of the pro-apoptotic protein p38-MAPK. Otherwise, PCB153 activated PI3K/Akt and Erk1/2 pathways and enhanced the expression and nuclear translocation of NF-κB. Cotreatments with specific inhibitors revealed that only PI3K/Akt changed the caspase-3 expression and NF-κB activation induced by PCB153. Also, PCB153 decreased the expression of the pro-apoptotic and pro-senescent cyclins p53 and p21. In summary, exposure to PCB153 leads to a downregulation of apoptosis in the pituitary driven by a PI3K/Akt-mediated activation of NF-κB.
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- Author
- Urbani, Claudio; Mattiello, Alessandro; Ferri, Gianmarco; Raggi, Francesco; Russo, Dania; Marconcini, Giulia; Cappellani, Daniele; Manetti, Luca; Marcocci, Claudio; Cardarelli, Francesco; Bogazzi, Fausto
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0303-7207)
- Published
- 2020
- Language
- EN
- Field
- Medicine (Health Sciences)