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Efficacy of selective histone deacetylase 6 inhibition in mouse models of Pseudomonas aeruginosa infection: A new glimpse for reducing inflammation and infection in cystic fibrosis. Eur J Pharmacol 2022; 936:175349. [DOI: 10.1016/j.ejphar.2022.175349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 11/22/2022]
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Barone S, Cassese E, Alfano AI, Brindisi M, Summa V. Chasing a Breath of Fresh Air in Cystic Fibrosis (CF): Therapeutic Potential of Selective HDAC6 Inhibitors to Tackle Multiple Pathways in CF Pathophysiology. J Med Chem 2022; 65:3080-3097. [PMID: 35148101 PMCID: PMC8883472 DOI: 10.1021/acs.jmedchem.1c02067] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
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Compelling new support
has been provided for histone deacetylase
isoform 6 (HDAC6) as a common thread in the generation of the dysregulated
proinflammatory and fibrotic phenotype in cystic fibrosis (CF). HDAC6
also plays a crucial role in bacterial clearance or killing as a direct
consequence of its effects on CF immune responses. Inhibiting HDAC6
functions thus eventually represents an innovative and effective strategy
to tackle multiple aspects of CF-associated lung disease. In this
Perspective, we not only showcase the latest evidence linking HDAC(6)
activity and expression with CF phenotype but also track the new dawn
of HDAC(6) modulators in CF and explore potentialities and future
perspectives in the field.
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Affiliation(s)
- Simona Barone
- Department of Pharmacy, Department of Excellence 2018-2022, School of Medicine and Surgery, University of Naples "Federico II", Via D. Montesano 49, I-80131 Naples, Italy
| | - Emilia Cassese
- Department of Pharmacy, Department of Excellence 2018-2022, School of Medicine and Surgery, University of Naples "Federico II", Via D. Montesano 49, I-80131 Naples, Italy
| | - Antonella Ilenia Alfano
- Department of Pharmacy, Department of Excellence 2018-2022, School of Medicine and Surgery, University of Naples "Federico II", Via D. Montesano 49, I-80131 Naples, Italy
| | - Margherita Brindisi
- Department of Pharmacy, Department of Excellence 2018-2022, School of Medicine and Surgery, University of Naples "Federico II", Via D. Montesano 49, I-80131 Naples, Italy
| | - Vincenzo Summa
- Department of Pharmacy, Department of Excellence 2018-2022, School of Medicine and Surgery, University of Naples "Federico II", Via D. Montesano 49, I-80131 Naples, Italy
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Li X, Niu G, Tian M, Lu Q, Cui Y, Yu X. Two-Color Visualization of Cholesterol Fluctuation in Plasma Membranes by Spatial Distribution-Controllable Single Fluorescent Probes. Anal Chem 2021; 93:9074-9082. [PMID: 34132525 DOI: 10.1021/acs.analchem.1c00481] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Visualizing cholesterol (CL) fluctuation in plasma membranes is a crucially important yet challenging task in cell biology. Here, we proposed a new imaging strategy based on permeability changes of plasma membranes triggered by different CL contents to result in controllable spatial distribution of single fluorescent probes (SF-probes) in subcellular organelles. Three spatial distribution-controllable SF-probes (PMM-Me, PMM-Et, and PMM-Bu) for imaging CL fluctuation in plasma membranes were rationally developed. These SF-probes target plasma membranes and mitochondria at normal CL levels, while they display solely staining in plasma membranes and mitochondria at increased and decreased CL levels, respectively. These polarity-sensitive probes also show distinct emission colors with fluorescence peaks of 575 and 620 nm in plasma membranes and mitochondria, respectively. Thus, the CL fluctuation in plasma membranes can be clearly visualized by means of the spatially distributed and two-color emissive SF-probes.
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Affiliation(s)
- Xuechen Li
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China.,School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China.,Shenzhen Research Institute of Shandong University, Shenzhen 518057, P. R. China
| | - Guangle Niu
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China.,Shenzhen Research Institute of Shandong University, Shenzhen 518057, P. R. China
| | - Minggang Tian
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Qing Lu
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Yuezhi Cui
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Xiaoqiang Yu
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China.,Shenzhen Research Institute of Shandong University, Shenzhen 518057, P. R. China
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Cui G, Cottrill KA, Strickland KM, Mashburn SA, Koval M, McCarty NA. Alteration of Membrane Cholesterol Content Plays a Key Role in Regulation of Cystic Fibrosis Transmembrane Conductance Regulator Channel Activity. Front Physiol 2021; 12:652513. [PMID: 34163370 PMCID: PMC8215275 DOI: 10.3389/fphys.2021.652513] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/23/2021] [Indexed: 11/30/2022] Open
Abstract
Altered cholesterol homeostasis in cystic fibrosis patients has been reported, although controversy remains. As a major membrane lipid component, cholesterol modulates the function of multiple ion channels by complicated mechanisms. However, whether cholesterol directly modulates cystic fibrosis transmembrane conductance regulator (CFTR) channel function remains unknown. To answer this question, we determined the effects of changing plasma membrane cholesterol levels on CFTR channel function utilizing polarized fischer rat thyroid (FRT) cells and primary human bronchial epithelial (HBE) cells. Treatment with methyl-β-cyclodextrin (MβCD) significantly reduced total cholesterol content in FRT cells, which significantly decreased forskolin (FSK)-mediated activation of both wildtype (WT-) and P67L-CFTR. This effect was also seen in HBE cells expressing WT-CFTR. Cholesterol modification by cholesterol oxidase and cholesterol esterase also distinctly affected activation of CFTR by FSK. In addition, alteration of cholesterol increased the potency of VX-770, a clinically used potentiator of CFTR, when both WT- and P67L-CFTR channels were activated at low FSK concentrations; this likely reflects the apparent shift in the sensitivity of WT-CFTR to FSK after alteration of membrane cholesterol. These results demonstrate that changes in the plasma membrane cholesterol level significantly modulate CFTR channel function and consequently may affect sensitivity to clinical therapeutics in CF patients.
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Affiliation(s)
- Guiying Cui
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, United States
| | - Kirsten A Cottrill
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, United States
| | - Kerry M Strickland
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, United States
| | - Sarah A Mashburn
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States
| | - Michael Koval
- Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, Department of Medicine, Emory University, Atlanta, GA, United States
| | - Nael A McCarty
- Division of Pulmonology, Allergy/Immunology, Cystic Fibrosis, and Sleep, Department of Pediatrics, Emory + Children's Center for Cystic Fibrosis and Airways Disease Research, Emory University School of Medicine and Children's Healthcare of Atlanta, Atlanta, GA, United States
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Ha N, Choi YI, Jung N, Song JY, Bae DK, Kim MC, Lee YJ, Song H, Kwak G, Jeong S, Park S, Nam SH, Jung S, Choi B. A novel histone deacetylase 6 inhibitor improves myelination of Schwann cells in a model of Charcot-Marie-Tooth disease type 1A. Br J Pharmacol 2020; 177:5096-5113. [PMID: 33460073 PMCID: PMC7589015 DOI: 10.1111/bph.15231] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 07/22/2020] [Accepted: 07/25/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND AND PURPOSE Charcot-Marie-Tooth (CMT) disease is the most common hereditary peripheral neuropathy. CMT type 1A (CMT1A) accounts for approximately 50% of CMT patients and is linked to PMP22 gene duplication. Histone deacetylase-6 (HDAC6) has pleiotropic effects, such as regulating lipid homeostasis and cellular stress. Although HDAC6 has been regarded as a promising drug target for neurodegenerative diseases, its inhibition has not yet been tested in CMT1A. Here we have tested the therapeutic potential of CKD-504, a clinical stage HDAC6 inhibitor, in a mouse model of CMT1A EXPERIMENTAL APPROACH: The potency and selectivity of CKD-504 was evaluated, using a HDAC enzyme panel assay and western blots. The therapeutic potential of CKD-504 was evaluated using behavioural testing and electrophysiological assessments in the C22 mouse model of CMT1A. PMP22 protein expression and aggregation were analysed in mesenchymal stem cell-derived Schwann cells from CMT1A patients and sciatic nerves from C22 mice. KEY RESULTS The HDAC6 inhibitor, CKD-504, modulated molecular chaperon proteins such as HSP90 and HSP70, which are involved in the folding/refolding of proteins such as PMP22. CKD-504 treatment restored myelination in both mesenchymal stem cell-derived Schwann cells from CMT1A patients and sciatic nerves of C22 mice and improved the axonal integrity of the sciatic nerve, leading to behavioural, electrophysiological, and histological improvements in C22 mice. CONCLUSION AND IMPLICATIONS A novel HDAC6 inhibitor, CKD-504, has potent therapeutic efficacy for CMT1A.
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Affiliation(s)
- Nina Ha
- Department of Health Sciences and Technology, SAIHSTSungkyunkwan UniversitySeoulRepublic of Korea
- CKD Research InstituteYonginRepublic of Korea
| | | | - Namhee Jung
- Department of Biochemistry, College of MedicineEwha Womans UniversitySeoulRepublic of Korea
| | | | | | | | | | | | - Geon Kwak
- Department of Health Sciences and Technology, SAIHSTSungkyunkwan UniversitySeoulRepublic of Korea
| | - Soyeon Jeong
- Department of Biochemistry, College of MedicineEwha Womans UniversitySeoulRepublic of Korea
| | - Saeyoung Park
- Department of Biochemistry, College of MedicineEwha Womans UniversitySeoulRepublic of Korea
| | - Soo Hyun Nam
- Department of Neurology, Samsung Medical CenterSungkyunkwan University School of MedicineSeoulRepublic of Korea
| | - Sung‐Chul Jung
- Department of Biochemistry, College of MedicineEwha Womans UniversitySeoulRepublic of Korea
| | - Byung‐Ok Choi
- Department of Health Sciences and Technology, SAIHSTSungkyunkwan UniversitySeoulRepublic of Korea
- Department of Neurology, Samsung Medical CenterSungkyunkwan University School of MedicineSeoulRepublic of Korea
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Barnaby R, Koeppen K, Stanton BA. Cyclodextrins reduce the ability of Pseudomonas aeruginosa outer-membrane vesicles to reduce CFTR Cl - secretion. Am J Physiol Lung Cell Mol Physiol 2018; 316:L206-L215. [PMID: 30358440 DOI: 10.1152/ajplung.00316.2018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Pseudomonas aeruginosa secretes outer-membrane vesicles (OMVs) that fuse with cholesterol-rich lipid rafts in the apical membrane of airway epithelial cells and decrease wt-CFTR Cl- secretion. Herein, we tested the hypothesis that a reduction of the cholesterol content of CF human airway epithelial cells by cyclodextrins reduces the inhibitory effect of OMVs on VX-809 (lumacaftor)-stimulated Phe508del CFTR Cl- secretion. Primary CF bronchial epithelial cells and CFBE cells were treated with vehicle, hydroxypropyl-β-cyclodextrin (HPβCD), or methyl-β-cyclodextrin (MβCD), and the effects of OMVs secreted by P. aeruginosa on VX-809 stimulated Phe508del CFTR Cl- secretion were measured in Ussing chambers. Neither HPβCD nor MβCD were cytotoxic, and neither altered Phe508del CFTR Cl- secretion. Both cyclodextrins reduced OMV inhibition of VX-809-stimulated Phe508del-CFTR Cl- secretion when added to the apical side of CF monolayers. Both cyclodextrins also reduced the ability of P. aeruginosa to form biofilms and suppressed planktonic growth of P. aeruginosa. Our data suggest that HPβCD, which is in clinical trials for Niemann-Pick Type C disease, and MβCD, which has been approved by the U.S. Food and Drug Administration for use in solubilizing lipophilic drugs, may enhance the clinical efficacy of VX-809 in CF patients when added to the apical side of airway epithelial cells, and reduce planktonic growth and biofilm formation by P. aeruginosa. Both effects would be beneficial to CF patients.
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Affiliation(s)
- Roxanna Barnaby
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
| | - Katja Koeppen
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
| | - Bruce A Stanton
- Department of Microbiology and Immunology, The Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
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