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Synthesis and biological evaluation of JAHAs: ferrocene-based histone deacetylase inhibitors

Synthesis and biological evaluation of JAHAs: ferrocene-based histone deacetylase inhibitors

Spencer, John, Amin, Jahangir, Wang, Minghua, Packham, Graham, Syed Alwi, Sharifah S., Tizzard, Graham J., Coles, Simon J., Paranal, Ronald M., Bradner, James E. and Heightman, Tom D. (2011) Synthesis and biological evaluation of JAHAs: ferrocene-based histone deacetylase inhibitors. ACS Medicinal Chemistry Letters, 2 (5). pp. 358-362. ISSN 1948-5875 (doi:10.1021.ml100295v)

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Abstract

N1-Hydroxy-N8-ferrocenyloctanediamide, JAHA (7), an organometallic analogue of SAHA containing a ferrocenyl
group as a phenyl bioisostere, displays nanomolar inhibition of class I HDACs, excellent selectivity over class IIa HDACs, and anticancer action in intact cells (IC50 = 2.4 μM, MCF7 cell line). Molecular docking studies of 7 in HDAC8 (a,b) suggested that the ferrocenyl moiety in 7 can overlap with the aryl cap of SAHA and should display similar HDAC inhibition, which was borne out in an in vitro assay (IC50 values against HDAC8 (μM, SD in parentheses): SAHA, 1.41 (0.15); 7, 1.36 (0.16). Thereafter, a small library of related JAHAanalogues has been synthesized, and
preliminary SAR studies are presented. IC50 values as low as 90 pM toward HDAC6 (class IIb) have been determined, highlighting the excellent potential of JAHAs as bioinorganic probes.

Item Type: Article
Uncontrolled Keywords: ferrocene, HDAC inhibitor, bioinorganic, anticancer, hydroxamic acid
Subjects: R Medicine > RM Therapeutics. Pharmacology
Faculty / Department / Research Group: Faculty of Engineering & Science > Department of Pharmaceutical, Chemical & Environmental Sciences
Related URLs:
Last Modified: 07 Dec 2016 14:41
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/5841

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