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Kuiper JWP, Gregg HL, Schüber M, Klein J, Hauck CR. Controling the cytoskeleton during CEACAM3-mediated phagocytosis. Eur J Cell Biol 2024; 103:151384. [PMID: 38215579 DOI: 10.1016/j.ejcb.2024.151384] [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: 09/01/2023] [Revised: 11/20/2023] [Accepted: 01/03/2024] [Indexed: 01/14/2024] Open
Abstract
Phagocytosis, an innate defense mechanism of multicellular animals, is initiated by specialized surface receptors. A phagocytic receptor expressed by human polymorphonuclear granulocytes, the major professional phagocytes in our body, is one of the fastest evolving human proteins implying a special role in human biology. This receptor, CEACAM3, is a member of the CarcinoEmbryonic Antigen-related Cell Adhesion Molecule (CEACAM) family and dedicated to the immediate recognition and rapid internalization of human-restricted pathogens. In this focused contribution, we will review the special adaptations of this protein, which co-evolves with different species of mucosa-colonizing bacteria. While the extracellular Immunoglobulin-variable (IgV)-like domain recognizes various bacterial adhesins, an Immunoreceptor Tyrosine-based Activation Motif (ITAM)-like sequence in the cytoplasmic tail of CEACAM3 constitutes the central signaling hub to trigger actin rearrangements needed for efficient phagocytosis. A major emphasis of this review will be placed on recent findings, which have revealed the multi-level control of this powerful phagocytic device. As tyrosine phosphorylation and small GTPase activity are central for CEACAM3-mediated phagocytosis, the counterregulation of CEACAM3 activity involves the receptor-type protein tyrosine phosphatase J (PTPRJ) as well as the Rac-GTP scavenging protein Cyri-B. Interference with such negative regulatory circuits has revealed that CEACAM3-mediated phagocytosis can be strongly enhanced. In principle, the knowledge gained by studying CEACAM3 can be applied to other phagocytic systems and opens the door to treatments, which boost the phagocytic capacity of professional phagocytes.
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Affiliation(s)
| | - Helena L Gregg
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Germany
| | - Meike Schüber
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Germany
| | - Jule Klein
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Germany
| | - Christof R Hauck
- Lehrstuhl Zellbiologie, Fachbereich Biologie, Universität Konstanz, Germany; Konstanz Research School Chemical Biology, Universität Konstanz, Germany.
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2
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Fokin AI, Boutillon A, James J, Courtois L, Vacher S, Simanov G, Wang Y, Polesskaya A, Bièche I, David NB, Gautreau AM. Inactivating negative regulators of cortical branched actin enhances persistence of single cell migration. J Cell Sci 2024; 137:jcs261332. [PMID: 38059420 DOI: 10.1242/jcs.261332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 11/30/2023] [Indexed: 12/08/2023] Open
Abstract
The Rac1-WAVE-Arp2/3 pathway pushes the plasma membrane by polymerizing branched actin, thereby powering membrane protrusions that mediate cell migration. Here, using knockdown (KD) or knockout (KO), we combine the inactivation of the Arp2/3 inhibitory protein arpin, the Arp2/3 subunit ARPC1A and the WAVE complex subunit CYFIP2, all of which enhance the polymerization of cortical branched actin. Inactivation of the three negative regulators of cortical branched actin increases migration persistence of human breast MCF10A cells and of endodermal cells in the zebrafish embryo, significantly more than any single or double inactivation. In the triple KO cells, but not in triple KD cells, the 'super-migrator' phenotype was associated with a heterogenous downregulation of vimentin (VIM) expression and a lack of coordination in collective behaviors, such as wound healing and acinus morphogenesis. Re-expression of vimentin in triple KO cells largely restored normal persistence of single cell migration, suggesting that vimentin downregulation contributes to the maintenance of the super-migrator phenotype in triple KO cells. Constant excessive production of branched actin at the cell cortex thus commits cells into a motile state through changes in gene expression.
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Affiliation(s)
- Artem I Fokin
- CNRS UMR7654, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Arthur Boutillon
- INSERM U1182, CNRS UMR7645, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - John James
- CNRS UMR7654, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Laura Courtois
- Pharmacogenomics Unit, Department of Genetics, Institut Curie, 26 rue d'Ulm, 75005 Paris, France
| | - Sophie Vacher
- Pharmacogenomics Unit, Department of Genetics, Institut Curie, 26 rue d'Ulm, 75005 Paris, France
| | - Gleb Simanov
- CNRS UMR7654, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Yanan Wang
- CNRS UMR7654, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Anna Polesskaya
- CNRS UMR7654, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Ivan Bièche
- Pharmacogenomics Unit, Department of Genetics, Institut Curie, 26 rue d'Ulm, 75005 Paris, France
| | - Nicolas B David
- INSERM U1182, CNRS UMR7645, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
| | - Alexis M Gautreau
- CNRS UMR7654, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France
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3
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Wang Y, Chiappetta G, Guérois R, Liu Y, Romero S, Boesch DJ, Krause M, Dessalles CA, Babataheri A, Barakat AI, Chen B, Vinh J, Polesskaya A, Gautreau AM. PPP2R1A regulates migration persistence through the NHSL1-containing WAVE Shell Complex. Nat Commun 2023; 14:3541. [PMID: 37322026 PMCID: PMC10272187 DOI: 10.1038/s41467-023-39276-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 06/06/2023] [Indexed: 06/17/2023] Open
Abstract
The RAC1-WAVE-Arp2/3 signaling pathway generates branched actin networks that power lamellipodium protrusion of migrating cells. Feedback is thought to control protrusion lifetime and migration persistence, but its molecular circuitry remains elusive. Here, we identify PPP2R1A by proteomics as a protein differentially associated with the WAVE complex subunit ABI1 when RAC1 is activated and downstream generation of branched actin is blocked. PPP2R1A is found to associate at the lamellipodial edge with an alternative form of WAVE complex, the WAVE Shell Complex, that contains NHSL1 instead of the Arp2/3 activating subunit WAVE, as in the canonical WAVE Regulatory Complex. PPP2R1A is required for persistence in random and directed migration assays and for RAC1-dependent actin polymerization in cell extracts. PPP2R1A requirement is abolished by NHSL1 depletion. PPP2R1A mutations found in tumors impair WAVE Shell Complex binding and migration regulation, suggesting that the coupling of PPP2R1A to the WAVE Shell Complex is essential to its function.
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Affiliation(s)
- Yanan Wang
- Laboratory of Structural Biology of the Cell (BIOC), CNRS UMR7654, École Polytechnique, Institut Polytechnique de Paris, 91120, Palaiseau, France
| | - Giovanni Chiappetta
- Biological Mass Spectrometry and Proteomics (SMBP), ESPCI Paris, Université PSL, LPC CNRS UMR8249, 75005, Paris, France
| | - Raphaël Guérois
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), 91198, Gif-sur-Yvette, France
| | - Yijun Liu
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA, 50011, USA
| | - Stéphane Romero
- Laboratory of Structural Biology of the Cell (BIOC), CNRS UMR7654, École Polytechnique, Institut Polytechnique de Paris, 91120, Palaiseau, France
| | - Daniel J Boesch
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA, 50011, USA
| | - Matthias Krause
- Randall Centre for Cell and Molecular Biophysics, King's College London, New Hunt's House, Guy's Campus, London, SE1 1UL, UK
| | - Claire A Dessalles
- LadHyX, École Polytechnique, Institut Polytechnique de Paris, 91120, Palaiseau, France
| | - Avin Babataheri
- LadHyX, École Polytechnique, Institut Polytechnique de Paris, 91120, Palaiseau, France
| | - Abdul I Barakat
- LadHyX, École Polytechnique, Institut Polytechnique de Paris, 91120, Palaiseau, France
| | - Baoyu Chen
- Roy J. Carver Department of Biochemistry, Biophysics and Molecular Biology, Iowa State University, Ames, IA, 50011, USA
| | - Joelle Vinh
- Biological Mass Spectrometry and Proteomics (SMBP), ESPCI Paris, Université PSL, LPC CNRS UMR8249, 75005, Paris, France
| | - Anna Polesskaya
- Laboratory of Structural Biology of the Cell (BIOC), CNRS UMR7654, École Polytechnique, Institut Polytechnique de Paris, 91120, Palaiseau, France.
| | - Alexis M Gautreau
- Laboratory of Structural Biology of the Cell (BIOC), CNRS UMR7654, École Polytechnique, Institut Polytechnique de Paris, 91120, Palaiseau, France.
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Machesky LM. CYRI proteins: controllers of actin dynamics in the cellular 'eat vs walk' decision. Biochem Soc Trans 2023; 51:579-585. [PMID: 36892409 PMCID: PMC10212538 DOI: 10.1042/bst20221354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 02/18/2023] [Accepted: 02/23/2023] [Indexed: 03/10/2023]
Abstract
Cells use actin-based protrusions not only to migrate, but also to sample their environment and take up liquids and particles, including nutrients, antigens and pathogens. Lamellipodia are sheet-like actin-based protrusions involved in sensing the substratum and directing cell migration. Related structures, macropinocytic cups, arise from lamellipodia ruffles and can take in large gulps of the surrounding medium. How cells regulate the balance between using lamellipodia for migration and macropinocytosis is not yet well understood. We recently identified CYRI proteins as RAC1-binding regulators of the dynamics of lamellipodia and macropinocytic events. This review discusses recent advances in our understanding of how cells regulate the balance between eating and walking by repurposing their actin cytoskeletons in response to environmental cues.
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Affiliation(s)
- Laura M. Machesky
- Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge, U.K
- CRUK Beatson Institute and Institute of Cancer Sciences, University of Glasgow, Glasgow, U.K
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Ma N, Xu E, Luo Q, Song G. Rac1: A Regulator of Cell Migration and A Potential Target for Cancer Therapy. Molecules 2023; 28:molecules28072976. [PMID: 37049739 PMCID: PMC10096471 DOI: 10.3390/molecules28072976] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/24/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023] Open
Abstract
Cell migration is crucial for physiological and pathological processes such as morphogenesis, wound repair, immune response and cancer invasion/metastasis. There are many factors affecting cell migration, and the regulatory mechanisms are complex. Rac1 is a GTP-binding protein with small molecular weight belonging to the Rac subfamily of the Rho GTPase family. As a key molecule in regulating cell migration, Rac1 participates in signal transduction from the external cell to the actin cytoskeleton and promotes the establishment of cell polarity which plays an important role in cancer cell invasion/metastasis. In this review, we firstly introduce the molecular structure and activity regulation of Rac1, and then summarize the role of Rac1 in cancer invasion/metastasis and other physiological processes. We also discuss the regulatory mechanisms of Rac1 in cell migration and highlight it as a potential target in cancer therapy. Finally, the current state as well as the future challenges in this area are considered. Understanding the role and the regulatory mechanism of Rac1 in cell migration can provide fundamental insights into Rac1-related cancer progression and further help us to develop novel intervention strategies for cancer therapy in clinic.
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Ding B, Yang S, Schaks M, Liu Y, Brown AJ, Rottner K, Chowdhury S, Chen B. Structures reveal a key mechanism of WAVE regulatory complex activation by Rac1 GTPase. Nat Commun 2022; 13:5444. [PMID: 36114192 PMCID: PMC9481577 DOI: 10.1038/s41467-022-33174-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 09/01/2022] [Indexed: 11/10/2022] Open
Abstract
The Rho-family GTPase Rac1 activates the WAVE regulatory complex (WRC) to drive Arp2/3 complex-mediated actin polymerization in many essential processes. Rac1 binds to WRC at two distinct sites-the A and D sites. Precisely how Rac1 binds and how the binding triggers WRC activation remain unknown. Here we report WRC structures by itself, and when bound to single or double Rac1 molecules, at ~3 Å resolutions by cryogenic-electron microscopy. The structures reveal that Rac1 binds to the two sites by distinct mechanisms, and binding to the A site, but not the D site, drives WRC activation. Activation involves a series of unique conformational changes leading to the release of sequestered WCA (WH2-central-acidic) polypeptide, which stimulates the Arp2/3 complex to polymerize actin. Together with biochemical and cellular analyses, the structures provide a novel mechanistic understanding of how the Rac1-WRC-Arp2/3-actin signaling axis is regulated in diverse biological processes and diseases.
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Affiliation(s)
- Bojian Ding
- Department of Biochemistry and Cell Biology, Stony Brook University, 100 Nicolls Road, Stony Brook, NY, 11794, USA
| | - Sheng Yang
- Roy J. Carver Department of Biochemistry, Biophysics & Molecular Biology, Iowa State University, 2437 Pammel Drive, Ames, IA, 50011, USA
- Target & Protein Sciences, Janssen R&D, Johnson & Johnson, 1400 McKean Rd, Spring house, PA, 19477, USA
| | - Matthias Schaks
- Division of Molecular Cell Biology, Zoological Institute, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
- Department of Cell Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
- Soilytix GmbH, Dammtorwall 7 A, 20354, Hamburg, Germany
| | - Yijun Liu
- Roy J. Carver Department of Biochemistry, Biophysics & Molecular Biology, Iowa State University, 2437 Pammel Drive, Ames, IA, 50011, USA
| | - Abbigale J Brown
- Roy J. Carver Department of Biochemistry, Biophysics & Molecular Biology, Iowa State University, 2437 Pammel Drive, Ames, IA, 50011, USA
| | - Klemens Rottner
- Division of Molecular Cell Biology, Zoological Institute, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
- Department of Cell Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
- Braunschweig Integrated Centre of Systems Biology (BRICS), Rebenring 56, 38106, Braunschweig, Germany
| | - Saikat Chowdhury
- Department of Biochemistry and Cell Biology, Stony Brook University, 100 Nicolls Road, Stony Brook, NY, 11794, USA.
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, Telangana, 500007, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India.
| | - Baoyu Chen
- Roy J. Carver Department of Biochemistry, Biophysics & Molecular Biology, Iowa State University, 2437 Pammel Drive, Ames, IA, 50011, USA.
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Chen Y, Jiang Y, Lao J, Zhou Y, Su L, Huang X. Characterization and Functional Study of FAM49B Reveals Its Effect on Cell Proliferation in HEK293T Cells. Genes (Basel) 2022; 13:genes13020388. [PMID: 35205432 PMCID: PMC8872254 DOI: 10.3390/genes13020388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 01/25/2023] Open
Abstract
FAM49B/Fam49b is a member of the Fam49 (Family with sequence similarity 49) gene family, which is characterized by the conserved domain, DUF1394 (Domain of Unknown Function 1394). It has also been named CYRI-B (CYFIP related RAC1 interactor B), implicating its important function of regulating RAC1-driven cytoskeleton remolding. In this study, to further investigate its functions and mechanisms affecting cell behaviors, HEK293T cells (where FAM49B is highly expressed) were used to establish a FAM49B knockout cell line by CRISPR/Cas9 genome editing technology. Our data have clearly revealed that there are triple alleles of FAM49B in the genome of HEK293T cells. Meanwhile, the proliferation deficiency of the FAM49B KO HEK293T cell line and the significantly changed cell proliferation related gene expression profiles, such as CCND1, have been uncovered. At the same time, the existence of isoform 3 has been confirmed in HEK293T cells. Our studies have suggested that FAM49B may also affect cell proliferation via Cyclins, besides its influence on the cytoskeleton.
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Affiliation(s)
- Yijian Chen
- Institute of Cell and Developmental Biology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.J.); (J.L.); (Y.Z.)
| | - Yuyan Jiang
- Institute of Cell and Developmental Biology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.J.); (J.L.); (Y.Z.)
| | - Jihui Lao
- Institute of Cell and Developmental Biology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.J.); (J.L.); (Y.Z.)
| | - Yankuan Zhou
- Institute of Cell and Developmental Biology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.J.); (J.L.); (Y.Z.)
| | - Lida Su
- Neuroscience Care Unit, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China
- Key Laboratory of the Diagnosis and Treatment of Severe Trauma and Burn of Zhejiang Province, Hangzhou 310009, China
- Correspondence: (L.S.); (X.H.); Tel.: +86-571-8820-6786 (X.H.)
| | - Xiao Huang
- Institute of Cell and Developmental Biology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.J.); (J.L.); (Y.Z.)
- Correspondence: (L.S.); (X.H.); Tel.: +86-571-8820-6786 (X.H.)
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Le AH, Yelland T, Paul NR, Fort L, Nikolaou S, Ismail S, Machesky LM. CYRI-A limits invasive migration through macropinosome formation and integrin uptake regulation. J Cell Biol 2021; 220:e202012114. [PMID: 34165494 PMCID: PMC8236918 DOI: 10.1083/jcb.202012114] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/16/2021] [Accepted: 05/29/2021] [Indexed: 12/11/2022] Open
Abstract
The Scar/WAVE complex drives actin nucleation during cell migration. Interestingly, the same complex is important in forming membrane ruffles during macropinocytosis, a process mediating nutrient uptake and membrane receptor trafficking. Mammalian CYRI-B is a recently described negative regulator of the Scar/WAVE complex by RAC1 sequestration, but its other paralogue, CYRI-A, has not been characterized. Here, we implicate CYRI-A as a key regulator of macropinosome formation and integrin internalization. We find that CYRI-A is transiently recruited to nascent macropinosomes, dependent on PI3K and RAC1 activity. CYRI-A recruitment precedes RAB5A recruitment but follows sharply after RAC1 and actin signaling, consistent with it being a local inhibitor of actin polymerization. Depletion of both CYRI-A and -B results in enhanced surface expression of the α5β1 integrin via reduced internalization. CYRI depletion enhanced migration, invasion, and anchorage-independent growth in 3D. Thus, CYRI-A is a dynamic regulator of macropinocytosis, functioning together with CYRI-B to regulate integrin trafficking.
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Affiliation(s)
- Anh Hoang Le
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, UK
| | - Tamas Yelland
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
| | - Nikki R. Paul
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
| | - Loic Fort
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
- Department of Cell and Developmental Biology, Medical Research Building III, Vanderbilt University, Nashville, TN
| | - Savvas Nikolaou
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, UK
| | - Shehab Ismail
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
| | - Laura M. Machesky
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, UK
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