Journal
FRONTIERS IN PHYSIOLOGY
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fphys.2018.01898
Keywords
cisplatin mechanism of action; chemotherapeutic; membrane biophysical properties; membrane fluidity; membrane interactions; membrane permeability; sphingolipids
Categories
Funding
- Fundacao para a Ciencia e Tecnologia (FCT), I. P., Portugal [PTDC/BBB-BQB/3710/2014, UTAP-ICDT/DTP-FTO/0016/2014 UID/DTP/04138/2013, SAICTPAC/0019/2015]
- FCT [SFRH/BD/87838/2012, SFRH/BD/102933/2014, IF/00437/2014]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/87838/2012, SAICTPAC/0019/2015, PTDC/BBB-BQB/3710/2014, SFRH/BD/102933/2014] Funding Source: FCT
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Cisplatin and other platinum(II) analogs are widely used in clinical practice as anti-cancer drugs for a wide range of tumors. The primary mechanism by which they exert their action is through the formation of adducts with genomic DNA. However, multiple cellular targets by platinum(II) complexes have been described. In particular, the early events occurring at the plasma membrane (PM), i.e., platinum-membrane interactions seem to be involved in the uptake, cytotoxicity and cell-resistance to cisplatin. In fact, PM influences signaling events, and cisplatin-induced changes on membrane organization and fluidity were shown to activate apoptotic pathways. This review critically discusses the sequence of events caused by lipid membrane-platinum interactions, with emphasis on the mechanisms that lead to changes in the biophysical properties of the membranes (e.g., fluidity and permeability), and how these correlate with sensitivity and resistance phenotypes of cells to platinum(II) complexes.
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