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Mondal S, Banerjee S, Dey D, Lahiri H, Mana T, Jana SS, Mukhopadhyay R. Impact of HMGB1 binding on the structural alterations of platinum drug-treated single dsDNA molecule. Biochimie 2023; 213:168-175. [PMID: 37211256 DOI: 10.1016/j.biochi.2023.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/24/2023] [Accepted: 05/18/2023] [Indexed: 05/23/2023]
Abstract
High mobility group B1 (HMGB1) is an architectural protein that recognizes the DNA damage sites formed by the platinum anticancer drugs. However, the impact of HMGB1 binding on the structural alterations of the platinum drug-treated single dsDNA molecules has remained largely unknown. Herein, the structural alterations induced by the platinum drugs, the mononuclear cisplatin and it's analog the trinuclear BBR3464, have been probed in presence of HMGB1, by atomic force microscopy (AFM) and AFM-based force spectroscopy. It is observed that the drug-induced DNA loop formation enhanced upon HMGB1 binding, most likely as a result of HMGB1-induced increase in DNA conformational flexibility that allowed the drug-binding sites to come close and form double adducts, thereby resulting in enhanced loop formation via inter-helix cross-linking. Since HMGB1 enhances DNA flexibility, the near-reversible structural transitions as observed in the force-extension curves (for 1 h drug treatment), generally occurred at lower forces in presence of HMGB1. The DNA structural integrity was largely lost after 24 h drug treatment as no reversible transition could be observed. The Young's modulus of the dsDNA molecules, as estimated from the force-extension analysis, increased upon drug treatment, due to formation of the drug-induced covalent cross-links and consequent reduction in DNA flexibility. The Young's modulus increased further in presence of HMGB1 due to HMGB1-induced enhancement in DNA flexibility that could ease formation of the drug-induced covalent cross-links. To our knowledge, this is the first report that shows an increase in the stiffness of the platinum drug-treated DNA molecules in presence of HMGB1.
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Affiliation(s)
- Sourav Mondal
- School of Biological Sciences, Indian Association for the Cultivation of Science, Kolkata, West Bengal, India
| | - Siddhartha Banerjee
- School of Biological Sciences, Indian Association for the Cultivation of Science, Kolkata, West Bengal, India
| | - Debapriya Dey
- School of Biological Sciences, Indian Association for the Cultivation of Science, Kolkata, West Bengal, India
| | - Hiya Lahiri
- School of Biological Sciences, Indian Association for the Cultivation of Science, Kolkata, West Bengal, India
| | - Tanushree Mana
- School of Biological Sciences, Indian Association for the Cultivation of Science, Kolkata, West Bengal, India
| | - Siddhartha S Jana
- School of Biological Sciences, Indian Association for the Cultivation of Science, Kolkata, West Bengal, India
| | - Rupa Mukhopadhyay
- School of Biological Sciences, Indian Association for the Cultivation of Science, Kolkata, West Bengal, India.
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Sun H, Wang J. Novel perspective for protein-drug interaction analysis: atomic force microscope. Analyst 2023; 148:454-474. [PMID: 36398684 DOI: 10.1039/d2an01591a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Proteins are major drug targets, and drug-target interaction identification and analysis are important factors for drug discovery. Atomic force microscopy (AFM) is a powerful tool making it possible to image proteins with nanometric resolution and probe intermolecular forces under physiological conditions. We review recent studies conducted in the field of target protein drug discovery using AFM-based analysis technology, including drug-driven changes in nanomechanical properties of protein morphology and interactions. Underlying mechanisms (including thermodynamic and kinetic parameters) of the drug-target interaction and drug-modulating protein-protein interaction (PPI) on the surfaces of models or living cells are discussed. Furthermore, challenges and the outlook for the field are likewise discussed. Overall, this insight into the mechanical properties of protein-drug interactions provides an unprecedented information framework for rational drug discovery in the pharmaceutical field.
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Affiliation(s)
- Heng Sun
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, China.
| | - Jianhua Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, China.
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Wen Q, Lau N, Weng H, Ye P, Du S, Li C, Lv J, Li H. Chrysophanol Exerts Anti-inflammatory Activity by Targeting Histone Deacetylase 3 Through the High Mobility Group Protein 1-Nuclear Transcription Factor-Kappa B Signaling Pathway in vivo and in vitro. Front Bioeng Biotechnol 2021; 8:623866. [PMID: 33569375 PMCID: PMC7868569 DOI: 10.3389/fbioe.2020.623866] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 12/17/2020] [Indexed: 12/30/2022] Open
Abstract
Chrysophanol (Chr) is the main monomer isolated from Rheum rhabarbarum. This study aimed to identify the potential in vitro and in vivo cytoprotective effects of Chr on lipopolysaccharide (LPS)-triggered acute lung injury (ALI). We used an ALI-murine model and constructed an inflammatory macrophage in vitro cell model to determine the cellular mechanisms involved in Chr-mediated activity. To observe the vital role of histone deacetylase 3 (HDAC3) in abolishing inflammation action, HDAC3 was downregulated using small interfering RNA. Analysis of the expression of nuclear transcription factor-kappa B p65 (NF-κB p65) and molecules of its downstream signaling pathway were assessed in vitro and in lung tissue samples using the mouse model. Concentrations of tumor necrosis factor-α, interleukin-1β, high mobility group protein 1 (HMGB1), and interleukin-16 in supernatants and the bronchoalveolar lavage fluid were measured using enzyme-linked immunosorbent assay. A reporter gene assay measured HMGB1 activity, and NF-κB p65 and HMGB1 intracellular localization was determined by immunofluorescence detection on histological lung samples from Chr-treated mice. The protein interactions between HMGB1, HDAC3, and NF-κB p65 were tested by co-immunoprecipitation. Chr treatment relieved LPS-induced lung lesions. Chr also enhanced superoxide dismutase levels in ALI mice. Chr reduced the LPS-induced protein expression of NF-κB and its related pathway molecules in both in vivo and in vitro models. Moreover, Chr downregulated LPS-enhanced HMGB1 expression, acetylation, and nuclear nucleocytoplasmic translocation. However, HDAC3 knockdown substantially reduced Chr-mediated HDAC3/NF-κB expression. Furthermore, Chr enhanced HMGB1/HDAC3/NF-κB p65 complex interaction, whereas HDAC3 knockdown reduced Chr-mediated HMGB1/HDAC3/NF-κB p65 formation. This study showed that the protective effects induced by Chr were associated with the regulation of the HMGB1/NF-κB pathway via HDAC3.
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Affiliation(s)
- Quan Wen
- Guangdong-HongKong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou, China.,School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ngaikeung Lau
- Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Huandi Weng
- Guangdong-HongKong-Macau Institute of CNS Regeneration, Jinan University, Guangzhou, China
| | - Peng Ye
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shaohui Du
- Shenzhen Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chun Li
- School of Nursing Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jianping Lv
- Department of Neurosurgery, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
| | - Hui Li
- School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
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Paul D, Roy A, Nandy A, Datta B, Borar P, Pal SK, Senapati D, Rakshit T. Identification of Biomarker Hyaluronan on Colon Cancer Extracellular Vesicles Using Correlative AFM and Spectroscopy. J Phys Chem Lett 2020; 11:5569-5576. [PMID: 32573237 DOI: 10.1021/acs.jpclett.0c01018] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Extracellular vesicles (EVs), naturally occurring nanosized vesicles secreted from cells, are essential for intercellular communication. They carry unique biomolecules on the surface or interior that are of great interest as biomarkers for various pathological conditions such as cancer. In this work, we use high-resolution atomic force microscopy (AFM) and spectroscopy (AFS) techniques to demonstrate differences between EVs derived from colon cancer cells and colon epithelial cells at the single-vesicle level. We observe that EV populations are significantly increased in the cancer cell media compared to the normal cell EVs. We show that both EVs display an EV marker, CD9, while EVs derived from the cancer cells are slightly higher in density. Hyaluronan (HA) is a nonsulfated glycosaminoglycan linked to malignant tumor growth according to recent reports. Interestingly, at the single-vesicle level, colon cancer EVs exhibit significantly increased HA surface densities compared to the normal EVs. Spectroscopic measurements such as Fourier transform infrared (FT-IR), circular dichroism (CD), and Raman spectroscopy unequivocally support the AFM and AFS measurements. To our knowledge, it represents the first report of detecting HA-coated EVs as a potential colon cancer biomarker. Taken together, this sensitive approach will be useful in identifying biomarkers in the early stages of detection and evaluation of cancer.
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Affiliation(s)
- Debashish Paul
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block - JD, Sector - III, Salt Lake City, Kolkata 700106, India
| | - Anuradha Roy
- Chemical Sciences Division, Saha Institute of Nuclear Physics, HBNI, 1/AF Bidhannagar, Kolkata 700064, India
| | - Arpita Nandy
- Chemical Sciences Division, Saha Institute of Nuclear Physics, HBNI, 1/AF Bidhannagar, Kolkata 700064, India
| | - Brateen Datta
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block - JD, Sector - III, Salt Lake City, Kolkata 700106, India
| | - Prateeka Borar
- Department of Biophysics, Centenary Campus, Bose Institute, P-1/12 C.I.T. Scheme VII-M, Kolkata 700054, India
| | - Samir Kumar Pal
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block - JD, Sector - III, Salt Lake City, Kolkata 700106, India
| | - Dulal Senapati
- Chemical Sciences Division, Saha Institute of Nuclear Physics, HBNI, 1/AF Bidhannagar, Kolkata 700064, India
| | - Tatini Rakshit
- Department of Chemical, Biological & Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block - JD, Sector - III, Salt Lake City, Kolkata 700106, India
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Xu Q, Liu X, Mei L, Wen Q, Chen J, Miao J, Lei H, Huang H, Chen D, Du S, Liu A, Zhang S, Zhou J, Deng R, Li Y, Li C, Li H. Paeonol Reduces the Nucleocytoplasmic Transportation of HMGB1 by Upregulating HDAC3 in LPS-Induced RAW264.7 Cells. Inflammation 2018; 41:1536-1545. [DOI: 10.1007/s10753-018-0800-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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6
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HMGB proteins involved in TOR signaling as general regulators of cell growth by controlling ribosome biogenesis. Curr Genet 2018; 64:1205-1213. [PMID: 29713761 DOI: 10.1007/s00294-018-0842-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 04/21/2018] [Accepted: 04/24/2018] [Indexed: 12/14/2022]
Abstract
The number of ribosomes and their activity need to be highly regulated because their function is crucial for the cell. Ribosome biogenesis is necessary for cell growth and proliferation in accordance with nutrient availability and other external and intracellular signals. High-mobility group B (HMGB) proteins are conserved from yeasts to human and are decisive in cellular fate. These proteins play critical functions, from the maintenance of chromatin structure, DNA repair, or transcriptional regulation, to facilitation of ribosome biogenesis. They are also involved in cancer and other pathologies. In this review, we summarize evidence of how HMGB proteins contribute to ribosome-biogenesis control, with special emphasis on a common nexus to the target of rapamycin (TOR) pathway, a signaling cascade essential for cell growth and proliferation from yeast to human. Perspectives in this field are also discussed.
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Zheng S, Kummarapurugu AB, Afosah DK, Sankaranarayanan NV, Boothello RS, Desai UR, Kennedy T, Voynow JA. 2-O, 3-O Desulfated Heparin Blocks High Mobility Group Box 1 Release by Inhibition of p300 Acetyltransferase Activity. Am J Respir Cell Mol Biol 2017; 56:90-98. [PMID: 27585400 DOI: 10.1165/rcmb.2016-0069oc] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
High mobility group box 1 (HMGB1) is an alarmin released from macrophages after infection or inflammation and is a biomarker of lung disease progression in patients with cystic fibrosis. We reported that 2-O, 3-O desulfated heparin (ODSH) inhibits the release of HMGB1 from murine macrophages triggered by neutrophil elastase both in vivo and in vitro. HMGB1 shuttles between the nucleus and the cytoplasm. When acetylated at lysine residues in the nuclear localization signal domains, HMGB1 is sequestered in the cytoplasm and is fated for secretion. In this study, we investigated the mechanism by which ODSH blocks HMGB1 secretion. We tested whether ODSH inhibits the activity of p300, a histone acetyltransferase that has been linked to HMGB1 acetylation and release. ODSH inhibited both neutrophil elastase and LPS-triggered HMGB1 release from the murine macrophage cell line RAW264.7 in a concentration-dependent manner. Fluorescein-labeled ODSH was taken up by RAW264.7 cells into the cytoplasm as well as the nucleus, suggesting an intracellular site of action of ODSH for blocking HMGB1 release. ODSH inhibited RAW264.7 cell nuclear extract, human macrophage nuclear extract, and recombinant p300 HAT activity in vitro, resulting in the failure to acetylate HMGB1. In silico molecular modeling predicted that of the numerous possible ODSH sequences, a small number preferentially recognizes a specific binding site on p300. Fluorescence binding studies showed that ODSH bound p300 tightly (dissociation constant ∼1 nM) in a highly cooperative manner. These results suggest that ODSH inhibited HMGB1 release, at least in part, by direct molecular inhibition of p300 HAT activity.
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Affiliation(s)
| | | | - Daniel K Afosah
- 2 Medicinal Chemistry and Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia; and
| | - Nehru Viji Sankaranarayanan
- 2 Medicinal Chemistry and Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia; and
| | - Rio S Boothello
- 2 Medicinal Chemistry and Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia; and
| | - Umesh R Desai
- 2 Medicinal Chemistry and Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia; and
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Han Z, Chou CW, Yang X, Bartlett MG, Zheng YG. Profiling Cellular Substrates of Lysine Acetyltransferases GCN5 and p300 with Orthogonal Labeling and Click Chemistry. ACS Chem Biol 2017; 12:1547-1555. [PMID: 28426192 DOI: 10.1021/acschembio.7b00114] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
p300 and GCN5 are two representative lysine acetyltransferases (KATs) in mammalian cells. It was recently reported that they possess multiple acyltransferase activities including acetylation, propionylation, and butyrylation of the ε-amino group of lysine residues of histones and non-histone protein substrates. Although thousands of acetylated substrates and acetylation sites have been identified by mass spectrometry-based proteomic screening, our knowledge about the causative connections between individual KAT members and their corresponding sub-acylomes remain very limited. Herein, we applied 3-azidopropionyl CoA (3AZ-CoA) as a bioorthogonal surrogate of acetyl-, propionyl- and butyryl-CoA for KAT substrate identification. We successfully attached the azide as a chemical warhead to cellular substrates of wild-type p300 and engineered GCN5. The substrates were subsequently labeled with biotin tag through the copper-catalyzed azide-alkyne cycloaddition (CuAAC). Following protein enrichment on streptavidin-coated resin, we conducted LC-MS/MS studies from which more than four hundred proteins were identified as GCN5 or p300 substrate candidates. These proteins are either p300- or GCN5-unique or shared by the two KATs and are extensively involved in various biological events including gene expression, cell cycle, and cellular metabolism. We also experimentally validated two novel substrates of GCN5, that is, IQGAP1 and SMC1. These results demonstrate extensive engagement of GCN5 and p300 in cellular pathways and provide new insights into understanding their functions in specific biological processes.
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Affiliation(s)
- Zhen Han
- Department of Pharmaceutical
and Biomedical Sciences and Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Chau-wen Chou
- Department of Pharmaceutical
and Biomedical Sciences and Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Xiangkun Yang
- Department of Pharmaceutical
and Biomedical Sciences and Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Michael G. Bartlett
- Department of Pharmaceutical
and Biomedical Sciences and Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
| | - Y. George Zheng
- Department of Pharmaceutical
and Biomedical Sciences and Department of Chemistry, University of Georgia, Athens, Georgia 30602, United States
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