Title : Enhancement of cisplatin [cis-diammine dichloroplatinum (II)] cytotoxicity by O6-benzylguanine involves endoplasmic reticulum stress.

Pub. Date : 2008 Nov

PMID : 18664592






4 Functional Relationships(s)
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1 Growth arrest and DNA damage inducible (GADD) 153, an ER stress-response gene, is up-regulated after treatment with BG plus cisplatin compared with cisplatin alone in SQ20b and SKOV-3x cells, but not in A549 cells. Cisplatin DNA damage inducible transcript 3 Homo sapiens
2 Growth arrest and DNA damage inducible (GADD) 153, an ER stress-response gene, is up-regulated after treatment with BG plus cisplatin compared with cisplatin alone in SQ20b and SKOV-3x cells, but not in A549 cells. Cisplatin DNA damage inducible transcript 3 Homo sapiens
3 Inhibition of ER stress in the SQ20b cell line by salubrinal, an inhibitor of eIF2alpha dephosphorylation, or GADD153 small interfering RNA, abrogated BG-enhancement of cisplatin cytotoxicity and apoptosis through caspase 3 and 12 cleavage. Cisplatin DNA damage inducible transcript 3 Homo sapiens
4 These data indicate GADD153 up-regulation plays an important role in BG-enhanced cisplatin cytotoxicity and apoptosis. Cisplatin DNA damage inducible transcript 3 Homo sapiens