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Identification of histone deacetylase inhibitors with (arylidene)aminoxy scaffold active in uveal melanoma cell lines.

ABSTRACT: Uveal melanoma (UM) represents an aggressive type of cancer and currently, there is no effective treatment for this metastatic disease. In the last years, histone deacetylase inhibitors (HDACIs) have been studied as a possible therapeutic treatment for UM, alone or in association with other chemotherapeutic agents. Here we synthesised a series of new HDACIs based on the SAHA scaffold bearing an (arylidene)aminoxy moiety. Their HDAC inhibitory activity was evaluated on isolated human HDAC1, 3, 6, and 8 by fluorometric assay and their binding mode in the catalytic site of HDACs was studied by molecular docking. The most promising hit was the quinoline derivative VS13, a nanomolar inhibitor of HDAC6, which exhibited a good antiproliferative effect on UM cell lines at micromolar concentration and a capability to modify the mRNA levels of HDAC target genes similar to that of SAHA.

SUBMITTER: Nencetti S 

PROVIDER: S-EPMC7594840 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Identification of histone deacetylase inhibitors with (arylidene)aminoxy scaffold active in uveal melanoma cell lines.

Nencetti Susanna S   Cuffaro Doretta D   Nuti Elisa E   Ciccone Lidia L   Rossello Armando A   Fabbi Marina M   Ballante Flavio F   Ortore Gabriella G   Carbotti Grazia G   Campelli Francesco F   Banti Irene I   Gangemi Rosaria R   Marshall Garland R GR   Orlandini Elisabetta E  

Journal of enzyme inhibition and medicinal chemistry 20211201 1

Uveal melanoma (UM) represents an aggressive type of cancer and currently, there is no effective treatment for this metastatic disease. In the last years, histone deacetylase inhibitors (HDACIs) have been studied as a possible therapeutic treatment for UM, alone or in association with other chemotherapeutic agents. Here we synthesised a series of new HDACIs based on the SAHA scaffold bearing an (arylidene)aminoxy moiety. Their HDAC inhibitory activity was evaluated on isolated human HDAC1, 3, 6,  ...[more]

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