1
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Liu Y, Jiao Y, Li X, Li G, Wang W, Liu Z, Qin D, Zhong L, Liu L, Shuai J, Li Z. An entropy-based approach for assessing the directional persistence of cell migration. Biophys J 2024; 123:730-744. [PMID: 38366586 PMCID: PMC10995411 DOI: 10.1016/j.bpj.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/23/2024] [Accepted: 02/13/2024] [Indexed: 02/18/2024] Open
Abstract
Cell migration, which is primarily characterized by directional persistence, is essential for the development of normal tissues and organs, as well as for numerous pathological processes. However, there is a lack of simple and efficient tools to analyze the systematic properties of persistence based on cellular trajectory data. Here, we present a novel approach, the entropy of angular distribution , which combines cellular turning dynamics and Shannon entropy to explore the statistical and time-varying properties of persistence that strongly correlate with cellular migration modes. Our results reveal the changes in the persistence of multiple cell lines that are tightly regulated by both intra- and extracellular cues, including Arpin protein, collagen gel/substrate, and physical constraints. Significantly, some previously unreported distinctive details of persistence have also been captured, helping to elucidate how directional persistence is distributed and evolves in different cell populations. The analysis suggests that the entropy of angular distribution-based approach provides a powerful metric for evaluating directional persistence and enables us to better understand the relationships between cellular behaviors and multiscale cues, which also provides some insights into the migration dynamics of cell populations, such as collective cell invasion.
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Affiliation(s)
- Yanping Liu
- Chongqing Key Laboratory of Big Data for Bio Intelligence, Chongqing University of Posts and Telecommunications, Chongqing, China; Department of Biomedical Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Yang Jiao
- Materials Science and Engineering, Arizona State University, Tempe, Arizona; Department of Physics, Arizona State University, Tempe, Arizona
| | - Xinwei Li
- Chongqing Key Laboratory of Big Data for Bio Intelligence, Chongqing University of Posts and Telecommunications, Chongqing, China; Department of Biomedical Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Guoqiang Li
- Chongqing Key Laboratory of Environmental Materials and Remediation Technologies, College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, Chongqing, China
| | - Wei Wang
- Chongqing Key Laboratory of Big Data for Bio Intelligence, Chongqing University of Posts and Telecommunications, Chongqing, China; Department of Biomedical Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Zhichao Liu
- Chongqing Key Laboratory of Big Data for Bio Intelligence, Chongqing University of Posts and Telecommunications, Chongqing, China; Department of Biomedical Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Dui Qin
- Chongqing Key Laboratory of Big Data for Bio Intelligence, Chongqing University of Posts and Telecommunications, Chongqing, China; Department of Biomedical Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China
| | - Lisha Zhong
- School of Medical Information and Engineering, Southwest Medical University, Luzhou, China
| | - Liyu Liu
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, China
| | - Jianwei Shuai
- Department of Physics, Xiamen University, Xiamen, China; Fujian Provincial Key Laboratory for Soft Functional Materials Research, Xiamen University, Xiamen, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, China.
| | - Zhangyong Li
- Chongqing Key Laboratory of Big Data for Bio Intelligence, Chongqing University of Posts and Telecommunications, Chongqing, China; Department of Biomedical Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China.
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2
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Zheng YY, Zhao L, Wei XF, Sun TZ, Xu FF, Wang GX, Zhu B. Vaccine Molecule Design Based on Phage Display and Computational Modeling against Rhabdovirus. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:551-562. [PMID: 38197664 DOI: 10.4049/jimmunol.2300447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 12/12/2023] [Indexed: 01/11/2024]
Abstract
Rhabdoviruses with rich species lead a variety of high lethality and rapid transmission diseases to plants and animals around the globe. Vaccination is one of the most effective approaches to prevent and control virus disease. However, the key antigenic epitopes of glycoprotein being used for vaccine development are unclear. In this study, fish-derived Abs are employed for a Micropterus salmoides rhabdovirus (MSRV) vaccine design by phage display and bioinformatics analysis. We constructed an anti-MSRV phage Ab library to screen Abs for glycoprotein segment 2 (G2) (G129-266). Four M13-phage-displayed Abs (Ab-5, Ab-7, Ab-8 and Ab-30) exhibited strong specificity to target Ag, and Ab-7 had the highest affinity with MSRV. Ab-7 (300 μg/ml) significantly increased grass carp ovary cell viability to 83.40% and significantly decreased the titer of MSRV. Molecular docking results showed that the key region of Ag-Ab interaction was located in 10ESQEFTTLTSH20 of G2. G2Ser11 and G2Gln12 were replaced with alanine, respectively, and molecular docking results showed that the Ag-Ab was nonbinding (ΔG > 0). Then, the peptide vaccine KLH-G210-20 was immunized to M. salmoides via i.p. injection. ELISA result showed that the serum Ab potency level increased significantly (p < 0.01). More importantly, the challenge test demonstrated that the peptide vaccine elicited robust protection against MSRV invasion, and the relative percentage survival reached 62.07%. Overall, this study proposed an approach for screening key epitope by combining phage display technology and bioinformatics tools to provide a reliable theoretical reference for the prevention and control of viral diseases.
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Affiliation(s)
- Yu-Ying Zheng
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Liang Zhao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Xue-Feng Wei
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Tian-Zi Sun
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Fei-Fan Xu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Gao-Xue Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
- Key Laboratory of Livestock Biology, Northwest A&F University, Yangling, Shaanxi, China
| | - Bin Zhu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
- Key Laboratory of Livestock Biology, Northwest A&F University, Yangling, Shaanxi, China
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3
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Sowa ST, Bosetti C, Galera-Prat A, Johnson MS, Lehtiö L. An Evolutionary Perspective on the Origin, Conservation and Binding Partner Acquisition of Tankyrases. Biomolecules 2022; 12:1688. [PMID: 36421702 PMCID: PMC9688111 DOI: 10.3390/biom12111688] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/08/2022] [Accepted: 11/08/2022] [Indexed: 01/04/2024] Open
Abstract
Tankyrases are poly-ADP-ribosyltransferases that regulate many crucial and diverse cellular processes in humans such as Wnt signaling, telomere homeostasis, mitotic spindle formation and glucose metabolism. While tankyrases are present in most animals, functional differences across species may exist. In this work, we confirm the widespread distribution of tankyrases throughout the branches of multicellular animal life and identify the single-celled choanoflagellates as earliest origin of tankyrases. We further show that the sequences and structural aspects of TNKSs are well-conserved even between distantly related species. We also experimentally characterized an anciently diverged tankyrase homolog from the sponge Amphimedon queenslandica and show that the basic functional aspects, such as poly-ADP-ribosylation activity and interaction with the canonical tankyrase binding peptide motif, are conserved. Conversely, the presence of tankyrase binding motifs in orthologs of confirmed interaction partners varies greatly between species, indicating that tankyrases may have different sets of interaction partners depending on the animal lineage. Overall, our analysis suggests a remarkable degree of conservation for tankyrases, and that their regulatory functions in cells have likely changed considerably throughout evolution.
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Affiliation(s)
- Sven T. Sowa
- Faculty for Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, 90220 Oulu, Finland
| | - Chiara Bosetti
- Faculty for Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, 90220 Oulu, Finland
| | - Albert Galera-Prat
- Faculty for Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, 90220 Oulu, Finland
| | - Mark S. Johnson
- Structural Bioinformatics Laboratory, Biochemistry, Faculty of Science and Engineering and InFLAMES Research Flagship Center, Åbo Akademi University, 20520 Turku, Finland
| | - Lari Lehtiö
- Faculty for Biochemistry and Molecular Medicine & Biocenter Oulu, University of Oulu, 90220 Oulu, Finland
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A database of calculated solution parameters for the AlphaFold predicted protein structures. Sci Rep 2022; 12:7349. [PMID: 35513443 PMCID: PMC9072687 DOI: 10.1038/s41598-022-10607-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/07/2022] [Indexed: 12/22/2022] Open
Abstract
Recent spectacular advances by AI programs in 3D structure predictions from protein sequences have revolutionized the field in terms of accuracy and speed. The resulting “folding frenzy” has already produced predicted protein structure databases for the entire human and other organisms’ proteomes. However, rapidly ascertaining a predicted structure’s reliability based on measured properties in solution should be considered. Shape-sensitive hydrodynamic parameters such as the diffusion and sedimentation coefficients (\documentclass[12pt]{minimal}
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\begin{document}$${s_{{\left( {{20},w} \right)}}^{{0}} }$$\end{document}s20,w0) and the intrinsic viscosity ([η]) can provide a rapid assessment of the overall structure likeliness, and SAXS would yield the structure-related pair-wise distance distribution function p(r) vs. r. Using the extensively validated UltraScan SOlution MOdeler (US-SOMO) suite, a database was implemented calculating from AlphaFold structures the corresponding \documentclass[12pt]{minimal}
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\begin{document}$${s_{{\left( {{20},w} \right)}}^{{0}} }$$\end{document}s20,w0, [η], p(r) vs. r, and other parameters. Circular dichroism spectra were computed using the SESCA program. Some of AlphaFold’s drawbacks were mitigated, such as generating whenever possible a protein’s mature form. Others, like the AlphaFold direct applicability to single-chain structures only, the absence of prosthetic groups, or flexibility issues, are discussed. Overall, this implementation of the US-SOMO-AF database should already aid in rapidly evaluating the consistency in solution of a relevant portion of AlphaFold predicted protein structures.
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5
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Delgado MG, Rivera CA, Lennon-Duménil AM. Macropinocytosis and Cell Migration: Don't Drink and Drive…. Subcell Biochem 2022; 98:85-102. [PMID: 35378704 DOI: 10.1007/978-3-030-94004-1_5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Macropinocytosis is a nonspecific mechanism by which cells compulsively "drink" the surrounding extracellular fluids in order to feed themselves or sample the molecules therein, hence gaining information about their environment. This process is cell-intrinsically incompatible with the migration of many cells, implying that the two functions are antagonistic. The migrating cell uses a molecular switch to stop and explore its surrounding fluid by macropinocytosis, after which it employs the same molecular machinery to start migrating again to examine another location. This cycle of migration/macropinocytosis allows cells to explore tissues, and it is key to a range of physiological processes. Evidence of this evolutionarily conserved antagonism between the two processes can be found in several cell types-immune cells, for example, being particularly adept-and ancient organisms (e.g., the social amoeba Dictyostelium discoideum). How macropinocytosis and migration are negatively coupled is the subject of this chapter.
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6
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Fregoso FE, van Eeuwen T, Simanov G, Rebowski G, Boczkowska M, Zimmet A, Gautreau AM, Dominguez R. Molecular mechanism of Arp2/3 complex inhibition by Arpin. Nat Commun 2022; 13:628. [PMID: 35110533 PMCID: PMC8810855 DOI: 10.1038/s41467-022-28112-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/09/2022] [Indexed: 11/09/2022] Open
Abstract
Positive feedback loops involving signaling and actin assembly factors mediate the formation and remodeling of branched actin networks in processes ranging from cell and organelle motility to mechanosensation. The Arp2/3 complex inhibitor Arpin controls the directional persistence of cell migration by interrupting a feedback loop involving Rac-WAVE-Arp2/3 complex, but Arpin’s mechanism of inhibition is unknown. Here, we describe the cryo-EM structure of Arpin bound to Arp2/3 complex at 3.24-Å resolution. Unexpectedly, Arpin binds Arp2/3 complex similarly to WASP-family nucleation-promoting factors (NPFs) that activate the complex. However, whereas NPFs bind to two sites on Arp2/3 complex, on Arp2-ArpC1 and Arp3, Arpin only binds to the site on Arp3. Like NPFs, Arpin has a C-helix that binds at the barbed end of Arp3. Mutagenesis studies in vitro and in cells reveal how sequence differences within the C-helix define the molecular basis for inhibition by Arpin vs. activation by NPFs. The Arp2/3 complex inhibitor Arpin controls cell migration by interrupting a feedback loop involving Rac-WAVE-Arp2/3 complex Here, the authors use structural, biochemical, and cellular studies to reveal Arpin’s mechanism of inhibition.
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Affiliation(s)
- Fred E Fregoso
- Department of Physiology and Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Trevor van Eeuwen
- Department of Physiology and Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Laboratory of Cellular and Structural Biology, The Rockefeller University, New York, NY, 10065, USA
| | - Gleb Simanov
- Laboratoire de Biologie Structurale de la Cellule, CNRS, Institut Polytechnique de Paris, 91128, Palaiseau, France
| | - Grzegorz Rebowski
- Department of Physiology and Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Malgorzata Boczkowska
- Department of Physiology and Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Austin Zimmet
- Department of Physiology and Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Alexis M Gautreau
- Laboratoire de Biologie Structurale de la Cellule, CNRS, Institut Polytechnique de Paris, 91128, Palaiseau, France.,Skolkovo Institute of Science and Technology, 121205, Moscow, Russia
| | - Roberto Dominguez
- Department of Physiology and Biochemistry and Molecular Biophysics Graduate Group, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
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7
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Utgés JS, Tsenkov MI, Dietrich NJM, MacGowan SA, Barton GJ. Ankyrin repeats in context with human population variation. PLoS Comput Biol 2021; 17:e1009335. [PMID: 34428215 PMCID: PMC8415598 DOI: 10.1371/journal.pcbi.1009335] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 09/03/2021] [Accepted: 08/10/2021] [Indexed: 11/19/2022] Open
Abstract
Ankyrin protein repeats bind to a wide range of substrates and are one of the most common protein motifs in nature. Here, we collate a high-quality alignment of 7,407 ankyrin repeats and examine for the first time, the distribution of human population variants from large-scale sequencing of healthy individuals across this family. Population variants are not randomly distributed across the genome but are constrained by gene essentiality and function. Accordingly, we interpret the population variants in context with evolutionary constraint and structural features including secondary structure, accessibility and protein-protein interactions across 383 three-dimensional structures of ankyrin repeats. We find five positions that are highly conserved across homologues and also depleted in missense variants within the human population. These positions are significantly enriched in intra-domain contacts and so likely to be key for repeat packing. In contrast, a group of evolutionarily divergent positions are found to be depleted in missense variants in human and significantly enriched in protein-protein interactions. Our analysis also suggests the domain has three, not two surfaces, each with different patterns of enrichment in protein-substrate interactions and missense variants. Our findings will be of interest to those studying or engineering ankyrin-repeat containing proteins as well as those interpreting the significance of disease variants.
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Affiliation(s)
- Javier S. Utgés
- Division of Computational Biology, School of Life Sciences, University of Dundee, Scotland, United Kingdom
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Maxim I. Tsenkov
- Division of Computational Biology, School of Life Sciences, University of Dundee, Scotland, United Kingdom
| | - Noah J. M. Dietrich
- Division of Computational Biology, School of Life Sciences, University of Dundee, Scotland, United Kingdom
| | - Stuart A. MacGowan
- Division of Computational Biology, School of Life Sciences, University of Dundee, Scotland, United Kingdom
| | - Geoffrey J. Barton
- Division of Computational Biology, School of Life Sciences, University of Dundee, Scotland, United Kingdom
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8
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Simanov G, Dang I, Fokin AI, Oguievetskaia K, Campanacci V, Cherfils J, Gautreau AM. Arpin Regulates Migration Persistence by Interacting with Both Tankyrases and the Arp2/3 Complex. Int J Mol Sci 2021; 22:ijms22084115. [PMID: 33923443 PMCID: PMC8073056 DOI: 10.3390/ijms22084115] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/11/2021] [Accepted: 04/13/2021] [Indexed: 01/10/2023] Open
Abstract
During cell migration, protrusion of the leading edge is driven by the polymerization of Arp2/3-dependent branched actin networks. Migration persistence is negatively regulated by the Arp2/3 inhibitory protein Arpin. To better understand Arpin regulation in the cell, we looked for its interacting partners and identified both Tankyrase 1 and 2 (TNKS) using a yeast two-hybrid screening and coimmunoprecipitation with full-length Arpin as bait. Arpin interacts with ankyrin repeats of TNKS through a C-terminal-binding site on its acidic tail, which overlaps with the Arp2/3-binding site. Arpin was found to dissolve the liquid–liquid phase separation of TNKS upon overexpression. To uncouple the interactions of Arpin with TNKS and Arp2/3, we introduced point mutations in the Arpin tail and attempted to rescue the increased migration persistence of the Arpin knockout cells using random plasmid integration or compensating knock-ins at the ARPIN locus. Arpin mutations impairing interactions with either Arp2/3 or TNKS were insufficient to fully abolish Arpin activity. Only the mutation that affected both interactions rendered Arpin completely inactive, suggesting the existence of two independent pathways, whereby Arpin controls the migration persistence.
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Affiliation(s)
- Gleb Simanov
- CNRS UMR7654, Institut Polytechnique de Paris, 91120 Palaiseau, France; (G.S.); (I.D.); (A.I.F.); (K.O.)
| | - Irene Dang
- CNRS UMR7654, Institut Polytechnique de Paris, 91120 Palaiseau, France; (G.S.); (I.D.); (A.I.F.); (K.O.)
| | - Artem I. Fokin
- CNRS UMR7654, Institut Polytechnique de Paris, 91120 Palaiseau, France; (G.S.); (I.D.); (A.I.F.); (K.O.)
| | - Ksenia Oguievetskaia
- CNRS UMR7654, Institut Polytechnique de Paris, 91120 Palaiseau, France; (G.S.); (I.D.); (A.I.F.); (K.O.)
| | - Valérie Campanacci
- Laboratoire d’Enzymologie et Biochimie Structurales, CNRS, 91190 Gif-sur-Yvette, France; (V.C.); (J.C.)
| | - Jacqueline Cherfils
- Laboratoire d’Enzymologie et Biochimie Structurales, CNRS, 91190 Gif-sur-Yvette, France; (V.C.); (J.C.)
| | - Alexis M. Gautreau
- CNRS UMR7654, Institut Polytechnique de Paris, 91120 Palaiseau, France; (G.S.); (I.D.); (A.I.F.); (K.O.)
- Correspondence: ; Tel.: +33-169334870
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9
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Jubrail J, Africano‐Gomez K, Herit F, Mularski A, Bourdoncle P, Oberg L, Israelsson E, Burgel P, Mayer G, Cunoosamy DM, Kurian N, Niedergang F. Arpin is critical for phagocytosis in macrophages and is targeted by human rhinovirus. EMBO Rep 2020; 21:e47963. [PMID: 31721415 PMCID: PMC6945061 DOI: 10.15252/embr.201947963] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 10/09/2019] [Accepted: 10/19/2019] [Indexed: 11/09/2022] Open
Abstract
Human rhinovirus is a causative agent of severe exacerbations of chronic obstructive pulmonary disease (COPD). COPD is characterised by an increased number of alveolar macrophages with diminished phagocytic functions, but how rhinovirus infection affects macrophage function is still unknown. Here, we describe that human rhinovirus 16 impairs bacterial uptake and receptor-mediated phagocytosis in macrophages. The stalled phagocytic cups contain accumulated F-actin. Interestingly, we find that human rhinovirus 16 downregulates the expression of Arpin, a negative regulator of the Arp2/3 complex. Importantly, re-expression of the protein rescues defective internalisation in human rhinovirus 16-treated cells, demonstrating that Arpin is a key factor targeted to impair phagocytosis. We further show that Arpin is required for efficient uptake of multiple targets, for F-actin cup formation and for successful phagosome completion in macrophages. Interestingly, Arpin is recruited to sites of membrane extension and phagosome closure. Thus, we identify Arpin as a central actin regulator during phagocytosis that it is targeted by human rhinovirus 16, allowing the virus to perturb bacterial internalisation and phagocytosis in macrophages.
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Affiliation(s)
- Jamil Jubrail
- Université de ParisInstitut CochinINSERM, U1016, CNRSUMR 8104ParisFrance
| | | | - Floriane Herit
- Université de ParisInstitut CochinINSERM, U1016, CNRSUMR 8104ParisFrance
| | - Anna Mularski
- Université de ParisInstitut CochinINSERM, U1016, CNRSUMR 8104ParisFrance
| | - Pierre Bourdoncle
- Université de ParisInstitut CochinINSERM, U1016, CNRSUMR 8104ParisFrance
| | - Lisa Oberg
- Translational Science and Experimental MedicineResearch and Early DevelopmentRespiratory Inflammation and AutoimmunityBioPharmaceuticals R&DAstraZenecaGothenburgSweden
| | - Elisabeth Israelsson
- Translational Science and Experimental MedicineResearch and Early DevelopmentRespiratory Inflammation and AutoimmunityBioPharmaceuticals R&DAstraZenecaGothenburgSweden
| | - Pierre‐Regis Burgel
- Université de ParisInstitut CochinINSERM, U1016, CNRSUMR 8104ParisFrance
- Department of PneumologyHospital Cochin, AP‐HPParisFrance
| | - Gaell Mayer
- Late‐stage developmentRespiratory, Inflammation and Autoimmunity (RIA)BioPharmaceuticals R&DAstraZenecaGothenburgSweden
| | - Danen M Cunoosamy
- Translational Science and Experimental MedicineResearch and Early DevelopmentRespiratory Inflammation and AutoimmunityBioPharmaceuticals R&DAstraZenecaGothenburgSweden
| | - Nisha Kurian
- Respiratory Inflammation and Autoimmune Precision Medicine UnitPrecision Medicine, Oncology R&DAstraZenecaGothenburgSweden
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Chánez-Paredes S, Montoya-García A, Schnoor M. Cellular and pathophysiological consequences of Arp2/3 complex inhibition: role of inhibitory proteins and pharmacological compounds. Cell Mol Life Sci 2019; 76:3349-3361. [PMID: 31073744 PMCID: PMC11105272 DOI: 10.1007/s00018-019-03128-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/30/2019] [Accepted: 05/02/2019] [Indexed: 02/06/2023]
Abstract
The actin-related protein complex 2/3 (Arp2/3) generates branched actin networks important for many cellular processes such as motility, vesicular trafficking, cytokinesis, and intercellular junction formation and stabilization. Activation of Arp2/3 requires interaction with actin nucleation-promoting factors (NPFs). Regulation of Arp2/3 activity is achieved by endogenous inhibitory proteins through direct binding to Arp2/3 and competition with NPFs or by binding to Arp2/3-induced actin filaments and disassembly of branched actin networks. Arp2/3 inhibition has recently garnered more attention as it has been associated with attenuation of cancer progression, neurotoxic effects during drug abuse, and pathogen invasion of host cells. In this review, we summarize current knowledge on expression, inhibitory mechanisms and function of endogenous proteins able to inhibit Arp2/3 such as coronins, GMFs, PICK1, gadkin, and arpin. Moreover, we discuss cellular consequences of pharmacological Arp2/3 inhibition.
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Affiliation(s)
- Sandra Chánez-Paredes
- Department for Molecular Biomedicine, CINVESTAV-IPN, Av. IPN 2508, San Pedro Zacatenco, GAM, 07360, Mexico City, Mexico
| | - Armando Montoya-García
- Department for Molecular Biomedicine, CINVESTAV-IPN, Av. IPN 2508, San Pedro Zacatenco, GAM, 07360, Mexico City, Mexico
| | - Michael Schnoor
- Department for Molecular Biomedicine, CINVESTAV-IPN, Av. IPN 2508, San Pedro Zacatenco, GAM, 07360, Mexico City, Mexico.
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11
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Molinie N, Gautreau A. The Arp2/3 Regulatory System and Its Deregulation in Cancer. Physiol Rev 2017; 98:215-238. [PMID: 29212790 DOI: 10.1152/physrev.00006.2017] [Citation(s) in RCA: 119] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/10/2017] [Accepted: 05/11/2017] [Indexed: 02/07/2023] Open
Abstract
The Arp2/3 complex is an evolutionary conserved molecular machine that generates branched actin networks. When activated, the Arp2/3 complex contributes the actin branched junction and thus cross-links the polymerizing actin filaments in a network that exerts a pushing force. The different activators initiate branched actin networks at the cytosolic surface of different cellular membranes to promote their protrusion, movement, or scission in cell migration and membrane traffic. Here we review the structure, function, and regulation of all the direct regulators of the Arp2/3 complex that induce or inhibit the initiation of a branched actin network and that controls the stability of its branched junctions. Our goal is to present recent findings concerning novel inhibitory proteins or the regulation of the actin branched junction and place these in the context of what was previously known to provide a global overview of how the Arp2/3 complex is regulated in human cells. We focus on the human set of Arp2/3 regulators to compare normal Arp2/3 regulation in untransformed cells to the deregulation of the Arp2/3 system observed in patients affected by various cancers. In many cases, these deregulations promote cancer progression and have a direct impact on patient survival.
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Affiliation(s)
- Nicolas Molinie
- Ecole Polytechnique, Université Paris-Saclay, CNRS UMR 7654, Palaiseau, France; and Moscow Institute of Physics and Technology, Life Sciences Center, Dolgoprudny, Russia
| | - Alexis Gautreau
- Ecole Polytechnique, Université Paris-Saclay, CNRS UMR 7654, Palaiseau, France; and Moscow Institute of Physics and Technology, Life Sciences Center, Dolgoprudny, Russia
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Popinako AV, Antonov MY, Chemeris AS, Shaitan KV, Sokolova OS. Analysis of the Interactions between Arp2/3 Complex and an Inhibitor Arpin by Molecular Dynamics Simulation. Biophysics (Nagoya-shi) 2017. [DOI: 10.1134/s0006350917060203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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13
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Allosteric inhibition of the guanine nucleotide exchange factor DOCK5 by a small molecule. Sci Rep 2017; 7:14409. [PMID: 29089502 PMCID: PMC5663973 DOI: 10.1038/s41598-017-13619-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 09/25/2017] [Indexed: 11/11/2022] Open
Abstract
Rac small GTPases and their GEFs of the DOCK family are pivotal checkpoints in development, autoimmunity and bone homeostasis, and their abnormal regulation is associated to diverse pathologies. Small molecules that inhibit their activities are therefore needed to investigate their functions. Here, we characterized the mechanism of inhibition of human DOCK5 by C21, a small molecule that inhibits mouse Dock5 in cells and blocks bone degradation in mice models of osteoporosis. We showed that the catalytic DHR2 domain of DOCK5 has a high basal GEF activity in the absence of membranes which is not regulated by a simple feedback loop. C21 blocks this activity in a non-competitive manner and is specific for DOCK5. In contrast, another Dock inhibitor, CPYPP, inhibits both DOCK5 and an unrelated GEF, Trio. To gain insight into structural features of the inhibitory mechanism of C21, we used SAXS analysis of DOCK5DHR2 and crystallographic analysis of unbound Rac1-GDP. Together, these data suggest that C21 takes advantage of intramolecular dynamics of DOCK5 and Rac1 to remodel the complex into an unproductive conformation. Based on this allosteric mechanism, we propose that diversion of intramolecular dynamics is a potent mechanism for the inhibition of multidomain regulators of small GTPases.
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14
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Li Y, Qiu J, Pang T, Guo Z, Su Y, Zeng Q, Zhang X. Restoration of Arpin suppresses aggressive phenotype of breast cancer cells. Biomed Pharmacother 2017; 92:116-121. [PMID: 28531800 DOI: 10.1016/j.biopha.2017.05.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 04/25/2017] [Accepted: 05/10/2017] [Indexed: 01/20/2023] Open
Abstract
Arpin, a negative regulator of the actin-related protein-2/3 (Arp2/3) complex, is downregulated and predicts poor prognosis in breast cancer patients. However, its biological relevance in breast cancer is still unclear. This study was conducted to investigate the roles of Arpin in breast cancer growth and invasion. We overexpressed Arpin expression in MCF-7 and MDA-MB-231 breast cancer cells and examined the effects of restoration of Arpin on cell proliferation, colony formation, cell cycle distribution, invasion in vitro and tumorigenesis in vivo. The related molecular mechanism(s) was determined. It was found that ectopic expression of Arpin significantly decreased cell proliferation, colony formation, and tumorigenicity. Flow cytometric analysis showed that overexpression of Arpin significantly increased the percentage of G0/G1-phase cells and decreased the percentage of S-phase cells. Moreover, restoration of Arpin impaired the invasiveness of breast cancer cells, as determined by Transwell invasion assays. Mechanistically, overexpression of Arpin inhibited the phosphorylation of Akt in breast cancer cells. Co-expression of a constitutively active form of Akt blunted the suppression of cell proliferation and invasion by Arpin. Taken together, we provide evidence that Arpin acts as a tumor suppressor in breast cancer, which is associated with inhibition of Akt signaling. Restoration of Arpin may represent a promising therapeutic strategy against breast cancer progression.
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Affiliation(s)
- Yi Li
- Department of General Surgery, The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China
| | - Jiliang Qiu
- Department of Surgery, Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
| | - Ting Pang
- Department of Anesthesiology, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Zhixing Guo
- Department of Ultrasound, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Yonghui Su
- Department of General Surgery, The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China
| | - Qingan Zeng
- Department of General Surgery, The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China
| | - Xuexia Zhang
- Department of Anesthesiology, The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China.
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15
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Sokolova OS, Chemeris A, Guo S, Alioto SL, Gandhi M, Padrick S, Pechnikova E, David V, Gautreau A, Goode BL. Structural Basis of Arp2/3 Complex Inhibition by GMF, Coronin, and Arpin. J Mol Biol 2016; 429:237-248. [PMID: 27939292 DOI: 10.1016/j.jmb.2016.11.030] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 11/23/2016] [Accepted: 11/28/2016] [Indexed: 10/20/2022]
Abstract
The evolutionarily conserved Arp2/3 complex plays a central role in nucleating the branched actin filament arrays that drive cell migration, endocytosis, and other processes. To better understand Arp2/3 complex regulation, we used single-particle electron microscopy to compare the structures of Arp2/3 complex bound to three different inhibitory ligands: glia maturation factor (GMF), Coronin, and Arpin. Although the three inhibitors have distinct binding sites on Arp2/3 complex, they each induced an "open" nucleation-inactive conformation. Coronin promoted a standard (previously described) open conformation of Arp2/3 complex, with the N-terminal β-propeller domain of Coronin positioned near the p35/ARPC2 subunit of Arp2/3 complex. GMF induced two distinct open conformations of Arp2/3 complex, which correlated with the two suggested binding sites for GMF. Furthermore, GMF synergized with Coronin in inhibiting actin nucleation by Arp2/3 complex. Arpin, which uses VCA-related acidic (A) motifs to interact with the Arp2/3 complex, induced the standard open conformation, and two new masses appeared at positions near Arp2 and Arp3. Furthermore, Arpin showed additive inhibitory effects on Arp2/3 complex with Coronin and GMF. Together, these data suggest that Arp2/3 complex conformation is highly polymorphic and that its activities can be controlled combinatorially by different inhibitory ligands.
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Affiliation(s)
- Olga S Sokolova
- Department of Biology, Moscow M.V. Lomonosov University, Moscow 119234, Russia
| | - Angelina Chemeris
- Department of Biology, Moscow M.V. Lomonosov University, Moscow 119234, Russia; Ecole Polytechnique, CNRS UMR7654, Palaiseau 91120, France
| | - Siyang Guo
- Department of Biology, Brandeis University, Waltham, MA 02453, USA
| | | | - Meghal Gandhi
- Department of Biology, Brandeis University, Waltham, MA 02453, USA
| | - Shae Padrick
- Department of Biochemistry and Molecular Biology, Drexel University College of Medicine, Philadelphia, PA 19102, USA
| | | | - Violaine David
- Ecole Polytechnique, CNRS UMR7654, Palaiseau 91120, France
| | | | - Bruce L Goode
- Department of Biology, Brandeis University, Waltham, MA 02453, USA.
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