Abstract:
:The purpose of our research is to elucidate whether oxLDL activates P2X7R in cultured human podocytes and if the activation of P2X7R leads to podocyte apoptosis. Additionally, we explore the underlying mechanism involved in podocyte apoptosis. Immortalized human podocytes were incubated with oxLDL (80 µg/ml), P2X7R antagonist A438079 (10 µM), or the compound of A438079 and oxLDL for 48 h, respectively. Cellular apoptosis and ROS were evaluated using flow cytometer. P2X7R, Bax, and Caspase-3 protein expression were detected by western blot and immunofluorescence analysis.The expression of P2X7R, ROS, Bax, and Caspase-3 in human podocytes incubated with oxLDL was significantly up-regulated and was found to have higher intracellular lipid accumulation and podocyte apoptosis compared with the NC group. However, co-administration with A438079, ROS, Bax, and Caspase-3 expression both significantly down-regulate as well as lower lipid accumulation and cellular apoptosis in the oxLDL-induced podocyte group. We revealed that P2X7R is involved in the regulation of oxLDL-treated podocytes. Additionally, we found that the anti-apoptotic effect of A438079 is correlated with ROS, Bax, and Caspase-3 expression down-regulated.
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
Zhu Y,Li Q,Xun W,Chen Y,Zhang C,Sun Sdoi
10.1007/s11033-019-04823-6subject
Has Abstractpub_date
2019-08-01 00:00:00pages
3809-3816issue
4eissn
0301-4851issn
1573-4978pii
10.1007/s11033-019-04823-6journal_volume
46pub_type
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