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Tapadar S, Fathi S, Raji I, Omesiete W, Kornacki JR, Mwakwari SC, Miyata M, Mitsutake K, Li JD, Mrksich M, Oyelere AK. A structure-activity relationship of non-peptide macrocyclic histone deacetylase inhibitors and their anti-proliferative and anti-inflammatory activities. Bioorg Med Chem 2015; 23:7543-64. [PMID: 26585275 DOI: 10.1016/j.bmc.2015.10.045] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Revised: 10/21/2015] [Accepted: 10/31/2015] [Indexed: 10/22/2022]
Abstract
Inhibition of the enzymatic activity of histone deacetylase (HDAC) is a promising therapeutic strategy for cancer treatment and several distinct small molecule histone deacetylase inhibitors (HDACi) have been reported. We have previously identified a new class of non-peptide macrocyclic HDACi derived from 14- and 15-membered macrolide skeletons. In these HDACi, the macrocyclic ring is linked to the zinc chelating hydroxamate moiety through a para-substituted aryl-triazole cap group. To further delineate the depth of the SAR of this class of HDACi, we have synthesized series of analogous compounds and investigated the influence of various substitution patterns on their HDAC inhibitory, anti-proliferative and anti-inflammatory activities. We identified compounds 25b and 38f with robust anti-proliferative activities and compound 26f (IC50 47.2 nM) with superior anti-inflammatory (IC50 88 nM) activity relative to SAHA.
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Affiliation(s)
- Subhasish Tapadar
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - Shaghayegh Fathi
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - Idris Raji
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - Wilson Omesiete
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - James R Kornacki
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA; Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA
| | - Sandra C Mwakwari
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - Masanori Miyata
- Center for Inflammation, Immunity and Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Kazunori Mitsutake
- Center for Inflammation, Immunity and Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Jian-Dong Li
- Center for Inflammation, Immunity and Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Milan Mrksich
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA; Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113, USA
| | - Adegboyega K Oyelere
- School of Chemistry and Biochemistry, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA.
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Kornacki JR, Stuparu AD, Mrksich M. Acetyltransferase p300/CBP associated Factor (PCAF) regulates crosstalk-dependent acetylation of histone H3 by distal site recognition. ACS Chem Biol 2015; 10:157-64. [PMID: 25203060 PMCID: PMC4301089 DOI: 10.1021/cb5004527] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
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Epigenetic regulation is directed,
in part, by the correlated placement
of histone post-translational modifications, but the mechanisms controlling
correlated modifications are incompletely understood. Correlations
arise from crosstalk among modifications and are frequently attributed
to protein–protein interactions that recruit enzymes to existing
histone modifications. Here we report the use of a peptide array to
discover acetyltransferase-mediated crosstalks. We show that p300/CBP
associated factor (PCAF)/GCN5 activity depends on the presence of
a distal arginine residue of its histone H3 substrate. Modifications
to H3 Arg8 decrease PCAF acetylation of H3 Lys14, and kinetic data
indicate that arginine citrullination has the strongest effect in
decreasing acetylation. Mutagenesis experiments demonstrate that PCAF
specifically interprets H3 Arg8 modifications through interaction
with residue Tyr640 on the surface of its catalytic domain, and this
interaction regulates Lys14 acetylation by substrate discrimination.
PCAF discriminates modified peptides as well as semisynthetic proteins
and reconstituted nucleosomes bearing Arg8 modifications. Together,
this work describes a method for systematically mapping crosstalks
and illustrates its application to the discovery and elucidation of
novel PCAF crosstalks.
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Affiliation(s)
- James R. Kornacki
- Department of Biomedical Engineering, Department of Cell & Molecular Biology, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Andreea D. Stuparu
- Deparment
of Chemistry University of Chicago, Chicago, Illinois 60637, United States
| | - Milan Mrksich
- Department of Biomedical Engineering, Department of Cell & Molecular Biology, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
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Sodji Q, Patil V, Jain S, Kornacki JR, Mrksich M, Tekwani BL, Oyelere AK. The antileishmanial activity of isoforms 6- and 8-selective histone deacetylase inhibitors. Bioorg Med Chem Lett 2014; 24:4826-30. [PMID: 25240614 PMCID: PMC4225773 DOI: 10.1016/j.bmcl.2014.08.060] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 08/27/2014] [Indexed: 11/23/2022]
Abstract
Histone deacetylase inhibitors (HDACi) pleiotropy is largely due to their nonselective inhibition of various cellular HDAC isoforms. Connecting inhibition of a specific isoform to biological responses and/or phenotypes is essential toward deconvoluting HDACi pleiotropy. The contribution of classes I and II HDACs to the antileishmanial activity of HDACi was investigated using the amastigote and promastigote forms of Leishmania donovani. We observed that the antileishmanial activities of HDACi are largely due to the inhibition of HDAC6-like activity. This observation could facilitate the development of HDACi as antileishmanial agents.
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Affiliation(s)
- Quaovi Sodji
- School of Chemistry and Biochemistry, Parker H. Petit for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - Vishal Patil
- School of Chemistry and Biochemistry, Parker H. Petit for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA
| | - Surendra Jain
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677-1848, USA
| | - James R Kornacki
- Department of Chemistry and Biomedical Engineering, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208-3113, USA
| | - Milan Mrksich
- Department of Chemistry and Biomedical Engineering, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208-3113, USA
| | - Babu L Tekwani
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677-1848, USA.
| | - Adegboyega K Oyelere
- School of Chemistry and Biochemistry, Parker H. Petit for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400, USA.
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Sodji QH, Patil V, Kornacki JR, Mrksich M, Oyelere AK. Synthesis and structure-activity relationship of 3-hydroxypyridine-2-thione-based histone deacetylase inhibitors. J Med Chem 2013; 56:9969-81. [PMID: 24304348 PMCID: PMC4029159 DOI: 10.1021/jm401225q] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We previously identified 3-hydroxypyridine-2-thione (3HPT) as a novel zinc binding group for histone deacetylase (HDAC) inhibition. Early structure-activity relationship (SAR) studies led to various small molecules possessing selective inhibitory activity against HDAC6 or HDAC8 but devoid of HDAC1 inhibition. To delineate further the depth of the SAR of 3HPT-derived HDAC inhibitors (HDACi), we have extended the SAR studies to include the linker region and the surface recognition group to optimize the HDAC inhibition. The current efforts resulted in the identification of two lead compounds, 10d and 14e, with potent HDAC6 and HDAC8 activities that are inactive against HDAC1. These new HDACi possess anticancer activities against various cancer cell lines including Jurkat J.γ1 for which SAHA and the previously disclosed 3HPT-derived HDACi were inactive.
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Affiliation(s)
- Quaovi H. Sodji
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332-0400 USA
| | - Vishal Patil
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332-0400 USA
| | - James R. Kornacki
- Departments of Chemistry and Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113
| | - Milan Mrksich
- Departments of Chemistry and Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208-3113
| | - Adegboyega K. Oyelere
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332-0400 USA
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA 30332-0400 USA
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Patil V, Sodji QH, Kornacki JR, Mrksich M, Oyelere AK. 3-Hydroxypyridin-2-thione as novel zinc binding group for selective histone deacetylase inhibition. J Med Chem 2013; 56:3492-506. [PMID: 23547652 DOI: 10.1021/jm301769u] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Small molecules bearing hydroxamic acid as the zinc binding group (ZBG) have been the most effective histone deacetylase inhibitors (HDACi) to date. However, concerns about the pharmacokinetic liabilities of the hydroxamic acid moiety have stimulated research efforts aimed at finding alternative nonhydroxamate ZBGs. We have identified 3-hydroxypyridin-2-thione (3-HPT) as a novel ZBG that is compatible with HDAC inhibition. 3-HPT inhibits HDAC 6 and HDAC 8 with an IC50 of 681 and 3675 nM, respectively. Remarkably, 3-HPT gives no inhibition of HDAC 1. Subsequent optimization led to several novel 3HPT-based HDACi that are selective for HDAC 6 and HDAC 8. Furthermore, a subset of these inhibitors induces apoptosis in various cancer cell lines.
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Affiliation(s)
- Vishal Patil
- School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332-0400, United States
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Kornacki JR, Adamson JT, Håkansson K. Electron detachment dissociation of underivatized chloride-adducted oligosaccharides. J Am Soc Mass Spectrom 2012; 23:2031-2042. [PMID: 22911097 DOI: 10.1007/s13361-012-0459-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2011] [Revised: 07/22/2012] [Accepted: 07/23/2012] [Indexed: 06/01/2023]
Abstract
Chloride anion attachment has previously been shown to aid determination of saccharide anomeric configuration and generation of linkage information in negative ion post-source decay MALDI tandem mass spectrometry. Here, we employ electron detachment dissociation (EDD) and collision activated dissociation (CAD) for the structural characterization of underivatized oligosaccharides bearing a chloride ion adduct. Both neutral and sialylated oligosaccharides are examined, including maltoheptaose, an asialo biantennary glycan (NA2), disialylacto-N-tetraose (DSLNT), and two LS tetrasaccharides (LSTa and LSTb). Gas-phase chloride-adducted species are generated by negative ion mode electrospray ionization. EDD and CAD spectra of chloride-adducted oligosaccharides are compared to the corresponding spectra for doubly deprotonated species not containing a chloride anion to assess the role of chloride adduction in the stimulation of alternative fragmentation pathways and altered charge locations allowing detection of additional product ions. In all cases, EDD of singly chloridated and singly deprotonated species resulted in an increase in observed cross-ring cleavages, which are essential to providing saccharide linkage information. Glycosidic cleavages also increased in EDD of chloride-adducted oligosaccharides to reveal complementary structural information compared to traditional (non-chloride-assisted) EDD and CAD. Results indicate that chloride adduction is of interest in alternative anion activation methods such as EDD for oligosaccharide structural characterization.
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Affiliation(s)
- James R Kornacki
- Department of Chemistry, University of Michigan, Ann Arbor, MI 48109, USA
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