1
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Rademakers T, Manca M, Jin H, Orban T, Perisic LM, Frissen HJM, Rühle F, Hautvast P, van Rijssel J, van Kuijk K, Mees BME, Peutz-Kootstra CJ, Heeneman S, Daemen MJAP, Pasterkamp G, Stoll M, van Zandvoort MAMJ, Hedin U, Dequiedt F, van Buul JD, Sluimer JC, Biessen EAL. Human atherosclerotic plaque transcriptomics reveals endothelial beta-2 spectrin as a potential regulator a leaky plaque microvasculature phenotype. Angiogenesis 2024; 27:461-474. [PMID: 38780883 PMCID: PMC11303431 DOI: 10.1007/s10456-024-09921-z] [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: 03/19/2024] [Accepted: 04/15/2024] [Indexed: 05/25/2024]
Abstract
The presence of atherosclerotic plaque vessels is a critical factor in plaque destabilization. This may be attributable to the leaky phenotype of these microvessels, although direct proof for this notion is lacking. In this study, we investigated molecular and cellular patterns of stable and hemorrhaged human plaque to identify novel drivers of intraplaque vessel dysfunction. From transcriptome data of a human atherosclerotic lesion cohort, we reconstructed a co-expression network, identifying a gene module strongly and selectively correlated with both plaque microvascular density and inflammation. Spectrin Beta Non-Erythrocytic 1 (sptbn1) was identified as one of the central hubs of this module (along with zeb1 and dock1) and was selected for further study based on its predominant endothelial expression. Silencing of sptbn1 enhanced leukocyte transmigration and vascular permeability in vitro, characterized by an increased number of focal adhesions and reduced junctional VE-cadherin. In vivo, sptbn1 knockdown in zebrafish impaired the development of the caudal vein plexus. Mechanistically, increased substrate stiffness was associated with sptbn1 downregulation in endothelial cells in vitro and in human vessels. Plaque SPTBN1 mRNA and protein expression were found to correlate with an enhanced presence of intraplaque hemorrhage and future cardiovascular disease (CVD) events during follow-up. In conclusion, we identify SPTBN1 as a central hub gene in a gene program correlating with plaque vascularisation. SPTBN1 was regulated by substrate stiffness in vitro while silencing blocked vascular development in vivo, and compromised barrier function in vitro. Together, SPTBN1 is identified as a new potential regulator of the leaky phenotype of atherosclerotic plaque microvessels.
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Affiliation(s)
- Timo Rademakers
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
- Department of Plasma Proteins, Laboratory for Molecular Cell Biology, Sanquin Research and Landsteiner Laboratory, Amsterdam, The Netherlands
| | - Marco Manca
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Han Jin
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Tanguy Orban
- Laboratory of Protein Signaling and Interactions, GIGA, Liège Université, Liège, Belgium
| | - Ljubica Matic Perisic
- Division of Vascular Surgery, Department of Molecular Medicine and Surgery, Karolinska Institutet and Karolinska Hospital, Stockholm, Sweden
| | - Hubertus J M Frissen
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Frank Rühle
- Genetic Epidemiology, Institute of Human Genetics, University of Münster, Münster, Germany
| | - Petra Hautvast
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Jos van Rijssel
- Department of Plasma Proteins, Laboratory for Molecular Cell Biology, Sanquin Research and Landsteiner Laboratory, Amsterdam, The Netherlands
| | - Kim van Kuijk
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Barend M E Mees
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Carine J Peutz-Kootstra
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Sylvia Heeneman
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
| | - Mat J A P Daemen
- Department of Pathology, Academic Medical Center (AMC), Amsterdam, The Netherlands
| | - Gerard Pasterkamp
- Laboratory of Clinical Chemistry and Haematology, University Medical Center Utrecht, University of Utrecht, Utrecht, The Netherlands
| | - Monika Stoll
- Genetic Epidemiology, Institute of Human Genetics, University of Münster, Münster, Germany
- Maastricht Center for Systems Biology (MaCSBio, Cardiovascular Research Institute Maastricht (CARIM), Maastricht, The Netherlands
- Department of Biochemistry, Maastricht University, Maastricht, The Netherlands
| | - Marc A M J van Zandvoort
- Department of Molecular Cell Biology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, The Netherlands
| | - Ulf Hedin
- Division of Vascular Surgery, Department of Molecular Medicine and Surgery, Karolinska Institutet and Karolinska Hospital, Stockholm, Sweden
| | - Franck Dequiedt
- Laboratory of Protein Signaling and Interactions, GIGA, Liège Université, Liège, Belgium
| | - Jaap D van Buul
- Department of Plasma Proteins, Laboratory for Molecular Cell Biology, Sanquin Research and Landsteiner Laboratory, Amsterdam, The Netherlands
| | - Judith C Sluimer
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands
- Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
- Department for Renal and Hypertensive, Rheumatological and Immunological Diseases (Medical Clinic II), RWTH Aachen, Aachen, Germany
| | - Erik A L Biessen
- Department of Pathology, Experimental Vascular Pathology Group, Maastricht University, PO box 5800, 6202 AZ, Maastricht, The Netherlands.
- Institute for Molecular Cardiovascular Research, RWTH Aachen, Aachen, Germany.
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Kuranaga Y, Yu B, Osuka S, Zhang H, Devi NS, Bae S, Van Meir EG. Targeting Integrin α3 Blocks β1 Maturation, Triggers Endoplasmic Reticulum Stress, and Sensitizes Glioblastoma Cells to TRAIL-Mediated Apoptosis. Cells 2024; 13:753. [PMID: 38727288 PMCID: PMC11083687 DOI: 10.3390/cells13090753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 05/13/2024] Open
Abstract
Glioblastoma (GBM) is a devastating brain cancer for which new effective therapies are urgently needed. GBM, after an initial response to current treatment regimens, develops therapeutic resistance, leading to rapid patient demise. Cancer cells exhibit an inherent elevation of endoplasmic reticulum (ER) stress due to uncontrolled growth and an unfavorable microenvironment, including hypoxia and nutrient deprivation. Cancer cells utilize the unfolded protein response (UPR) to maintain ER homeostasis, and failure of this response promotes cell death. In this study, as integrins are upregulated in cancer, we have evaluated the therapeutic potential of individually targeting all αβ1 integrin subunits using RNA interference. We found that GBM cells are uniquely susceptible to silencing of integrin α3. Knockdown of α3-induced proapoptotic markers such as PARP cleavage and caspase 3 and 8 activation. Remarkably, we discovered a non-canonical function for α3 in mediating the maturation of integrin β1. In its absence, generation of full length β1 was reduced, immature β1 accumulated, and the cells underwent elevated ER stress with upregulation of death receptor 5 (DR5) expression. Targeting α3 sensitized TRAIL-resistant GBM cancer cells to TRAIL-mediated apoptosis and led to growth inhibition. Our findings offer key new insights into integrin α3's role in GBM survival via the regulation of ER homeostasis and its value as a therapeutic target.
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Affiliation(s)
- Yuki Kuranaga
- Laboratory of Molecular Neuro-Oncology, Department of Neurosurgery, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (Y.K.); (S.O.)
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Bing Yu
- Laboratory of Molecular Neuro-Oncology, Department of Neurosurgery and Hematology & Medical Oncology, School of Medicine, Emory University, Atlanta, GA 30322, USA; (B.Y.); (H.Z.); (N.S.D.)
| | - Satoru Osuka
- Laboratory of Molecular Neuro-Oncology, Department of Neurosurgery, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (Y.K.); (S.O.)
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
| | - Hanwen Zhang
- Laboratory of Molecular Neuro-Oncology, Department of Neurosurgery and Hematology & Medical Oncology, School of Medicine, Emory University, Atlanta, GA 30322, USA; (B.Y.); (H.Z.); (N.S.D.)
| | - Narra S. Devi
- Laboratory of Molecular Neuro-Oncology, Department of Neurosurgery and Hematology & Medical Oncology, School of Medicine, Emory University, Atlanta, GA 30322, USA; (B.Y.); (H.Z.); (N.S.D.)
| | - Sejong Bae
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Division of Preventive Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Erwin G. Van Meir
- Laboratory of Molecular Neuro-Oncology, Department of Neurosurgery, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (Y.K.); (S.O.)
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA;
- Laboratory of Molecular Neuro-Oncology, Department of Neurosurgery and Hematology & Medical Oncology, School of Medicine, Emory University, Atlanta, GA 30322, USA; (B.Y.); (H.Z.); (N.S.D.)
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Han S, Lee G, Kim D, Kim J, Kim I, Kim H, Kim D. Selective Suppression of Integrin-Ligand Binding by Single Molecular Tension Probes Mediates Directional Cell Migration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306497. [PMID: 38311584 PMCID: PMC11005741 DOI: 10.1002/advs.202306497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/04/2024] [Indexed: 02/06/2024]
Abstract
Cell migration interacting with continuously changing microenvironment, is one of the most essential cellular functions, participating in embryonic development, wound repair, immune response, and cancer metastasis. The migration process is finely tuned by integrin-mediated binding to ligand molecules. Although numerous biochemical pathways orchestrating cell adhesion and motility are identified, how subcellular forces between the cell and extracellular matrix regulate intracellular signaling for cell migration remains unclear. Here, it is showed that a molecular binding force across integrin subunits determines directional migration by regulating tension-dependent focal contact formation and focal adhesion kinase phosphorylation. Molecular binding strength between integrin αvβ3 and fibronectin is precisely manipulated by developing molecular tension probes that control the mechanical tolerance applied to cell-substrate interfaces. This data reveals that integrin-mediated molecular binding force reduction suppresses cell spreading and focal adhesion formation, attenuating the focal adhesion kinase (FAK) phosphorylation that regulates the persistence of cell migration. These results further demonstrate that manipulating subcellular binding forces at the molecular level can recapitulate differential cell migration in response to changes of substrate rigidity that determines the physical condition of extracellular microenvironment. Novel insights is provided into the subcellular mechanics behind global mechanical adaptation of the cell to surrounding tissue environments featuring distinct biophysical signatures.
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Affiliation(s)
- Seong‐Beom Han
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Geonhui Lee
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Daesan Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - Jeong‐Ki Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
| | - In‐San Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
- Biomedical Research CenterKorea Institute of Science and TechnologySeoul02792Republic of Korea
| | - Hae‐Won Kim
- Institute of Tissue Regeneration Engineering (ITREN)Dankook UniversityCheonan31116Republic of Korea
- Department of Biomaterials Science in College of Dentistry & Department of Nanobiomedical Science in Graduate SchoolDankook UniversityCheonan31116Republic of Korea
| | - Dong‐Hwee Kim
- KU‐KIST Graduate School of Converging Science and TechnologyKorea UniversitySeoul02841Republic of Korea
- Biomedical Research CenterKorea Institute of Science and TechnologySeoul02792Republic of Korea
- Department of Integrative Energy EngineeringCollege of EngineeringKorea UniversitySeoul02841Republic of Korea
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Kang M, Senatore AJ, Naughton H, McTigue M, Beltman RJ, Herppich AA, Pflum MKH, Howe AK. Protein Kinase A is a Functional Component of Focal Adhesions. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.08.18.553932. [PMID: 37645771 PMCID: PMC10462105 DOI: 10.1101/2023.08.18.553932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Focal adhesions (FAs) form the junction between extracellular matrix (ECM)-bound integrins and the actin cytoskeleton and also transmit signals that regulate cell adhesion, cytoskeletal dynamics, and cell migration. While many of these signals are rooted in reversible tyrosine phosphorylation, phosphorylation of FA proteins on Ser/Thr residues is far more abundant yet its mechanisms and consequences are far less understood. The cAMP-dependent protein kinase (protein kinase A; PKA) has important roles in cell adhesion and cell migration and is both an effector and regulator of integrin-mediated adhesion to the ECM. Importantly, subcellular localization plays a critically important role in specifying PKA function. Here, we show that PKA is present in isolated FA-cytoskeleton complexes and active within FAs in live cells. Furthermore, using kinase-catalyzed biotinylation of isolated FA-cytoskeleton complexes, we identify fifty-three high-stringency candidate PKA substrates within FAs. From this list, we validate tensin-3 (Tns3) - a well-established molecular scaffold, regulator of cell migration, and component of focal and fibrillar adhesions - as a novel direct substrate for PKA. These observations identify a new pathway for phospho-regulation of Tns3 and, importantly, establish a new and important niche for localized PKA signaling and thus provide a foundation for further investigation of the role of PKA in the regulation of FA dynamics and signaling.
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Sun Y, Chu JZ, Geng JR, Guan FL, Zhang SC, Ma YC, Zuo QQ, Jing XZ, Du HL. Label-free based quantitative proteomics analysis to explore the molecular mechanism of gynecological cold coagulation and blood stasis syndrome. Anat Rec (Hoboken) 2023; 306:3033-3049. [PMID: 36136292 DOI: 10.1002/ar.25035] [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: 09/28/2021] [Revised: 04/26/2022] [Accepted: 04/29/2022] [Indexed: 11/08/2022]
Abstract
Cold coagulation and blood stasis (CCBS) syndrome is one of the common traditional Chinese medicine (TCM) syndromes of gynecological diseases. However, the molecular mechanism of CCBS syndrome is still unclear. Thus, there is a need to reveal the occurrence and regulation mechanism of CCBS syndrome, in order to provide a theoretical basis for the treatment of CCBS syndrome in gynecological diseases. The plasma proteins in primary dysmenorrhea (PD) patients with CCBS syndrome, endometriosis (EMS) patients with CCBS syndrome, and healthy women were screened using Label-free quantitative proteomics. Based on the TCM theory of "same TCM syndrome in different diseases," the differentially expressed proteins (DEPs) identified in each group were subjected to intersection mapping to obtain common DEPs in CCBS syndrome. The DEPs of gynecological CCBS syndrome in the intersection part were again cross-mapped with the DEPs of gynecological CCBS syndrome obtained by the research group according to the TCM theory of "different TCM syndromes in same disease" theory in the early stage, so as to obtain the DEPs of gynecological CCBS syndrome that were shared by the two parts. The common DEPs were subjected to bioinformatics analysis, and were verified by enzyme-linked immunosorbent assay (ELISA). A total of 67 common DEPs were identified in CCBS syndrome, of which 33 DEPs were upregulated and 34 DEPs were downregulated. The functional classification of DEPs involved in metabolic process, energy production and conversion, immune system process, antioxidant activity, response to stimulus, and biological adhesion. The subcellular location mainly located in the cytoplasm, nucleus, and extracellular. Gene ontology (GO) enrichment analysis showed that the upregulated DEPs mainly concentrated in lipid transport, cell migration, and inflammatory reaction, and the downregulated DEPs mostly related to cell junction, metabolism, and energy response. Protein domain enrichment analysis and clustering analysis revealed that the DEPs mainly related to cell proliferation and differentiation, cell morphology, metabolism, and immunity. The Kyoto encyclopedia of genes and genomes (KEGG) pathway enrichment analysis clustering analysis showed that the upregulated DEPs were involved in inflammation and oxidative damage, while the downregulated DEPs were involved in inflammation, cell adhesion, cell apoptosis, and metabolism. The results of ELISA showed significantly increased levels of Cell surface glycoprotein MUC18 (MCAM) and Apolipoprotein C1 (APOC1), and significantly decreased levels of Vasodilator-stimulated phosphoprotein (VASP), Fatty acid-binding protein 5 (FABP5), and Vinculin (VCL) in patients with CCBS syndrome compared with healthy women. We speculated that cold evil may affect the immune process, inflammatory response, metabolic process, energy production and conversion, oxidative damage, endothelial cell dysfunction, and other differential proteins expression to cause CCBS syndrome in gynecological diseases.
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Affiliation(s)
- Ying Sun
- College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Shijiazhuang, China
| | - Jian-Zi Chu
- First Affiliated Hospital of Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Jing-Ran Geng
- College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Feng-Li Guan
- College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Shuan-Cheng Zhang
- College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Yu-Cong Ma
- College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Shijiazhuang, China
| | - Qian-Qian Zuo
- College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Xiao-Zhao Jing
- College of Acupuncture-Moxibustion and Tuina, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Hui-Lan Du
- College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
- Institute of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, China
- Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Shijiazhuang, China
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Dang I, Brazzo JA, Bae Y, Assoian RK. Key role for Rac in the early transcriptional response to extracellular matrix stiffness and stiffness-dependent repression of ATF3. J Cell Sci 2023; 136:jcs260636. [PMID: 37737020 PMCID: PMC10617619 DOI: 10.1242/jcs.260636] [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: 09/15/2022] [Accepted: 09/05/2023] [Indexed: 09/23/2023] Open
Abstract
The Rho family GTPases Rac and Rho play critical roles in transmitting mechanical information contained within the extracellular matrix (ECM) to the cell. Rac and Rho have well-described roles in regulating stiffness-dependent actin remodeling, proliferation and motility. However, much less is known about the relative roles of these GTPases in stiffness-dependent transcription, particularly at the genome-wide level. Here, we selectively inhibited Rac and Rho in mouse embryonic fibroblasts cultured on deformable substrata and used RNA sequencing to elucidate and compare the contribution of these GTPases to the early transcriptional response to ECM stiffness. Surprisingly, we found that the stiffness-dependent activation of Rac was dominant over Rho in the initial transcriptional response to ECM stiffness. We also identified activating transcription factor 3 (ATF3) as a major target of stiffness- and Rac-mediated signaling and show that ATF3 repression by ECM stiffness helps to explain how the stiffness-dependent activation of Rac results in the induction of cyclin D1.
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Affiliation(s)
- Irène Dang
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Joseph A. Brazzo
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY 14203, USA
| | - Yongho Bae
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY 14203, USA
| | - Richard K. Assoian
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA 19104, USA
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7
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Maldonado H, Leyton L. CSK-mediated signalling by integrins in cancer. Front Cell Dev Biol 2023; 11:1214787. [PMID: 37519303 PMCID: PMC10382208 DOI: 10.3389/fcell.2023.1214787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/19/2023] [Indexed: 08/01/2023] Open
Abstract
Cancer progression and metastasis are processes heavily controlled by the integrin receptor family. Integrins are cell adhesion molecules that constitute the central components of mechanosensing complexes called focal adhesions, which connect the extracellular environment with the cell interior. Focal adhesions act as key players in cancer progression by regulating biological processes, such as cell migration, invasion, proliferation, and survival. Src family kinases (SFKs) can interplay with integrins and their downstream effectors. SFKs also integrate extracellular cues sensed by integrins and growth factor receptors (GFR), transducing them to coordinate metastasis and cell survival in cancer. The non-receptor tyrosine kinase CSK is a well-known SFK member that suppresses SFK activity by phosphorylating its specific negative regulatory loop (C-terminal Y527 residue). Consequently, CSK may play a pivotal role in tumour progression and suppression by inhibiting SFK oncogenic effects in several cancer types. Remarkably, CSK can localise near focal adhesions when SFKs are activated and even interact with focal adhesion components, such as phosphorylated FAK and Paxillin, among others, suggesting that CSK may regulate focal adhesion dynamics and structure. Even though SFK oncogenic signalling has been extensively described before, the specific role of CSK and its crosstalk with integrins in cancer progression, for example, in mechanosensing, remain veiled. Here, we review how CSK, by regulating SFKs, can regulate integrin signalling, and focus on recent discoveries of mechanotransduction. We additionally examine the cross talk of integrins and GFR as well as the membrane availability of these receptors in cancer. We also explore new pharmaceutical approaches to these signalling pathways and analyse them as future therapeutic targets.
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Affiliation(s)
- Horacio Maldonado
- Receptor Dynamics in Cancer Laboratory, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Lisette Leyton
- Cellular Communication Laboratory, Programa de Biología Celular y Molecular, Center for Studies on Exercise, Metabolism and Cancer (CEMC), Instituto de Ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Faculty of Chemical and Pharmaceutical Sciences and Faculty of Medicine, Universidad de Chile, Santiago, Chile
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8
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Ricard-Blum S, Couchman JR. Conformations, interactions and functions of intrinsically disordered syndecans. Biochem Soc Trans 2023:BST20221085. [PMID: 37334846 DOI: 10.1042/bst20221085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 06/03/2023] [Accepted: 06/07/2023] [Indexed: 06/21/2023]
Abstract
Syndecans are transmembrane heparan sulfate proteoglycans present on most mammalian cell surfaces. They have a long evolutionary history, a single syndecan gene being expressed in bilaterian invertebrates. Syndecans have attracted interest because of their potential roles in development and disease, including vascular diseases, inflammation and various cancers. Recent structural data is providing important insights into their functions, which are complex, involving both intrinsic signaling through cytoplasmic binding partners and co-operative mechanisms where syndecans form a signaling nexus with other receptors such as integrins and tyrosine kinase growth factor receptors. While the cytoplasmic domain of syndecan-4 has a well-defined dimeric structure, the syndecan ectodomains are intrinsically disordered, which is linked to a capacity to interact with multiple partners. However, it remains to fully establish the impact of glycanation and partner proteins on syndecan core protein conformations. Genetic models indicate that a conserved property of syndecans links the cytoskeleton to calcium channels of the transient receptor potential class, compatible with roles as mechanosensors. In turn, syndecans influence actin cytoskeleton organization to impact motility, adhesion and the extracellular matrix environment. Syndecan clustering with other cell surface receptors into signaling microdomains has relevance to tissue differentiation in development, for example in stem cells, but also in disease where syndecan expression can be markedly up-regulated. Since syndecans have potential as diagnostic and prognostic markers as well as possible targets in some forms of cancer, it remains important to unravel structure/function relationships in the four mammalian syndecans.
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Affiliation(s)
- Sylvie Ricard-Blum
- ICBMS, UMR 5246 CNRS, Universite Claude Bernard Lyon 1, F-69622 Villeurbanne, France
| | - John R Couchman
- Biotech Research & Innovation Center, University of Copenhagen, 2200 Copenhagen, Denmark
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9
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Hayn A, Fischer T, Mierke CT. The role of ADAM8 in the mechanophenotype of MDA-MB-231 breast cancer cells in 3D extracellular matrices. Front Cell Dev Biol 2023; 11:1148162. [PMID: 37287457 PMCID: PMC10242107 DOI: 10.3389/fcell.2023.1148162] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 05/11/2023] [Indexed: 06/09/2023] Open
Abstract
The majority of investigations of cancer cells have been performed in an oversimplified 2D in vitro environment. In the last decade there is a trend toward more sophisticated 3D in vitro cell culture model systems that can bridge the existing gap between 2D in vitro and in vivo experiments in the field of biophysical and cell biological cancer cell research. Here, we hypothesize that the bidirectional interplay between breast cancer cells and their tumor microenvironment is critical for the outcome of the disease. Thereby, the tissue remodeling processes evoked by cancer cells are important for cancer cell-driven mechanical probing of their matrix environment and on cancer cell adhesion and motility. When remodeling processes have been explored, the emphasis was placed on matrix metalloproteinases and rather not on a disintegrin and metalloproteases (ADAMs). However, the role of ADAM8 in cell mechanics regulating cellular motility in 3D collagen matrices is still unclear. Thus, in this study, we focus on the function of ADAM8 in matrix remodeling and migration of 3D extracellular matrix scaffolds. Therefore, human MDA-MB-231 breast carcinoma cells with ADAM8 knocked down, referred to as ADAM8-KD cells, as well as MDA-MB-231 scrambled control cells, referred to as ADAM8-Ctrl cells, have been used to examine their ability to interact with and migrate in dense extracellular 3D matrices. The fiber displacements, as the capacity of cells to deform the environmental 3D matrix scaffold, has been observed. ADAM8-KD cells displace collagen fibers more strongly than ADAM8-Ctrl cells. Moreover, ADAM8-KD cells migrated more numerous in 3D collagen matrices compared to ADAM8-Ctrl cells. The impairment of ADAM8 using the ADAM8 inhibitor BK-1361 led to significantly increased fiber displacements of ADAM8-Ctrl cells to the levels of ADAM8-KD cells. In contrast, the inhibitor had no effect on ADAM8-KD cells in terms of fiber displacements as well as on the quantitative characteristics of cell invasion of ADAM8-Ctrl cells, albeit the cells that were found in the matrix invaded considerably deeper. When matrix remodeling by cells is impaired through GM6001, a broad-band metalloproteinase inhibitor, the fiber displacements of both cell types increased. In fact, ADAM8 is known to degrade fibronectin in a direct and/or indirect manner. The supplementation of fibronectin before polymerization of the 3D collagen matrices caused an enhancement in fiber displacements as well as in cell invasion into fibronectin-collagen matrices of ADAM8-Ctrl cells, whereas the fiber displacements of ADAM8-KD cells did not change. However, fibrinogen and laminin supplementation induced an increase in fiber displacements of both cell types. Thus, the impact of fibronectin on selective increase in fiber displacement of ADAM8-Ctrl cells appears to be ADAM8-dependent. As a consequence, the presence of ADAM8 may provide an explanation for the longstanding controversial results of fibronectin enrichment on malignant progression of cancers such as breast cancer. Finally, ADAM8 is apparently essential for providing cell-driven fiber displacements of the extracellular matrix microenvironment, which fosters 3D motility in a fibronectin-rich environment. Contribution to the field. Currently, the role of ADAM8 has been explored in 2D or at maximum 2.5D in vitro cell culture motility assays. However, the mechanical characteristics of these two cell types have not been examined. In this study, the function of ADAM8 in breast cancer is refined by providing in vitro cell investigations in 3D collagen fiber matrices of various conditions. ADAM8 has been shown to be involved in the reduced generation of fiber displacements and in influencing breast cancer cell migration. However, especially in the presence of fibronectin in 3Dcollagen fiber matrices, the fiber displacements of ADAM8-Ctrl cells are increased.
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10
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Mao L, Wang L, Xu J, Zou J. The role of integrin family in bone metabolism and tumor bone metastasis. Cell Death Discov 2023; 9:119. [PMID: 37037822 PMCID: PMC10086008 DOI: 10.1038/s41420-023-01417-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 04/12/2023] Open
Abstract
Integrins have been the research focus of cell-extracellular matrix adhesion (ECM) and cytokine receptor signal transduction. They are involved in the regulation of bone metabolism of bone precursor cells, mesenchymal stem cells (MSCs), osteoblasts (OBs), osteoclasts (OCs), and osteocytes. Recent studies expanded and updated the role of integrin in bone metabolism, and a large number of novel cytokines were found to activate bone metabolism pathways through interaction with integrin receptors. Integrins act as transducers that mediate the regulation of bone-related cells by mechanical stress, fluid shear stress (FSS), microgravity, hypergravity, extracellular pressure, and a variety of physical factors. Integrins mediate bone metastasis of breast, prostate, and lung cancer by promoting cancer cell adhesion, migration, and survival. Integrin-mediated targeted therapy showed promising prospects in bone metabolic diseases. This review emphasizes the latest research results of integrins in bone metabolism and bone metastasis and provides a vision for treatment strategies.
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Affiliation(s)
- Liwei Mao
- School of Kinesiology, Shanghai University of Sport, 200438, Shanghai, China
| | - Lian Wang
- School of Kinesiology, Shanghai University of Sport, 200438, Shanghai, China
| | - Jiake Xu
- School of Biomedical Sciences, The University of Western Australia, WA, 6009, Perth, Australia
| | - Jun Zou
- School of Kinesiology, Shanghai University of Sport, 200438, Shanghai, China.
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11
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Kanchanawong P, Calderwood DA. Organization, dynamics and mechanoregulation of integrin-mediated cell-ECM adhesions. Nat Rev Mol Cell Biol 2023; 24:142-161. [PMID: 36168065 PMCID: PMC9892292 DOI: 10.1038/s41580-022-00531-5] [Citation(s) in RCA: 89] [Impact Index Per Article: 89.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2022] [Indexed: 02/04/2023]
Abstract
The ability of animal cells to sense, adhere to and remodel their local extracellular matrix (ECM) is central to control of cell shape, mechanical responsiveness, motility and signalling, and hence to development, tissue formation, wound healing and the immune response. Cell-ECM interactions occur at various specialized, multi-protein adhesion complexes that serve to physically link the ECM to the cytoskeleton and the intracellular signalling apparatus. This occurs predominantly via clustered transmembrane receptors of the integrin family. Here we review how the interplay of mechanical forces, biochemical signalling and molecular self-organization determines the composition, organization, mechanosensitivity and dynamics of these adhesions. Progress in the identification of core multi-protein modules within the adhesions and characterization of rearrangements of their components in response to force, together with advanced imaging approaches, has improved understanding of adhesion maturation and turnover and the relationships between adhesion structures and functions. Perturbations of adhesion contribute to a broad range of diseases and to age-related dysfunction, thus an improved understanding of their molecular nature may facilitate therapeutic intervention in these conditions.
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Affiliation(s)
- Pakorn Kanchanawong
- Mechanobiology Institute, National University of Singapore, Singapore, Singapore.
- Department of Biomedical Engineering, National University of Singapore, Singapore, Singapore.
| | - David A Calderwood
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT, USA.
- Department of Cell Biology, Yale University School of Medicine, New Haven, CT, USA.
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12
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Fatmous M, Rai A, Poh QH, Salamonsen LA, Greening DW. Endometrial small extracellular vesicles regulate human trophectodermal cell invasion by reprogramming the phosphoproteome landscape. Front Cell Dev Biol 2022; 10:1078096. [PMID: 36619864 PMCID: PMC9813391 DOI: 10.3389/fcell.2022.1078096] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
A series of cyclical events within the uterus are crucial for pregnancy establishment. These include endometrial regeneration following menses, under the influence of estrogen (proliferative phase), then endometrial differentiation driven by estrogen/progesterone (secretory phase), to provide a microenvironment enabling attachment of embryo (as a hatched blastocyst) to the endometrial epithelium. This is followed by invasion of trophectodermal cells (the outer layer of the blastocyst) into the endometrium tissue to facilitate intrauterine development. Small extracellular vesicles (sEVs) released by endometrial epithelial cells during the secretory phase have been shown to facilitate trophoblast invasion; however, the molecular mechanisms that underline this process remain poorly understood. Here, we show that density gradient purified sEVs (1.06-1.11 g/ml, Alix+ and TSG101+, ∼180 nm) from human endometrial epithelial cells (hormonally primed with estrogen and progesterone vs. estrogen alone) are readily internalized by a human trophectodermal stem cell line and promote their invasion into Matrigel matrix. Mass spectrometry-based proteome analysis revealed that sEVs reprogrammed trophectoderm cell proteome and their cell surface proteome (surfaceome) to support this invasive phenotype through upregulation of pro-invasive regulators associated with focal adhesions (NRP1, PTPRK, ROCK2, TEK), embryo implantation (FBLN1, NIBAN2, BSG), and kinase receptors (EPHB4/B2, ERBB2, STRAP). Kinase substrate prediction highlighted a central role of MAPK3 as an upstream kinase regulating target cell proteome reprogramming. Phosphoproteome analysis pinpointed upregulation of MAPK3 T204/T202 phosphosites in hTSCs following sEV delivery, and that their pharmacological inhibition significantly abrogated invasion. This study provides novel molecular insights into endometrial sEVs orchestrating trophoblast invasion, highlighting the microenvironmental regulation of hTSCs during embryo implantation.
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Affiliation(s)
- Monique Fatmous
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Department of Microbiology, Anatomy, Physiology and Pharmacology, La Trobe University (LTU), Melbourne, VIC, Australia
| | - Alin Rai
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Central Clinical School, Monash University, Melbourne, VIC, Australia,Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia,Baker Department of Cardiovascular Research, Translation and Implementation, LTU, Melbourne, VIC, Australia
| | - Qi Hui Poh
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Baker Department of Cardiovascular Research, Translation and Implementation, LTU, Melbourne, VIC, Australia,Department of Biochemistry and Chemistry, LTU, Melbourne, VIC, Australia
| | - Lois A. Salamonsen
- Centre for Reproductive Health, Hudson Institute of Medical Research, Clayton, VIC, Australia,Department of Molecular and Translational Medicine, Monash University, Clayton, VIC, Australia
| | - David W. Greening
- Baker Heart and Diabetes Institute, Melbourne, VIC, Australia,Central Clinical School, Monash University, Melbourne, VIC, Australia,Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, VIC, Australia,Baker Department of Cardiovascular Research, Translation and Implementation, LTU, Melbourne, VIC, Australia,Department of Biochemistry and Chemistry, LTU, Melbourne, VIC, Australia,*Correspondence: David W. Greening,
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13
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Rousselle P, Laigle C, Rousselet G. The basement membrane in epidermal polarity, stemness, and regeneration. Am J Physiol Cell Physiol 2022; 323:C1807-C1822. [PMID: 36374168 DOI: 10.1152/ajpcell.00069.2022] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The epidermis is a specialized epithelium that constitutes the outermost layer of the skin, and it provides a protective barrier against environmental assaults. Primarily consisting of multilayered keratinocytes, the epidermis is continuously renewed by proliferation of stem cells and the differentiation of their progeny, which undergo terminal differentiation as they leave the basal layer and move upward toward the surface, where they die and slough off. Basal keratinocytes rest on a basement membrane at the dermal-epidermal junction that is composed of specific extracellular matrix proteins organized into interactive and mechanically supportive networks. Firm attachment of basal keratinocytes, and their dynamic regulation via focal adhesions and hemidesmosomes, is essential for maintaining major skin processes, such as self-renewal, barrier function, and resistance to physical and chemical stresses. The adhesive integrin receptors expressed by epidermal cells serve structural, signaling, and mechanosensory roles that are critical for epidermal cell anchorage and tissue homeostasis. More specifically, the basement membrane components play key roles in preserving the stem cell pool, and establishing cell polarity cues enabling asymmetric cell divisions, which result in the transition from a proliferative basal cell layer to suprabasal cells committed to terminal differentiation. Finally, through a well-regulated sequence of synthesis and remodeling, the components of the dermal-epidermal junction play an essential role in regeneration of the epidermis during skin healing. Here too, they provide biological and mechanical signals that are essential to the restoration of barrier function.
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Affiliation(s)
- Patricia Rousselle
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305, CNRS, Université Lyon 1, Lyon, France
| | - Chloé Laigle
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305, CNRS, Université Lyon 1, Lyon, France
| | - Gaelle Rousselet
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, UMR 5305, CNRS, Université Lyon 1, Lyon, France
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14
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Schinner C, Xu L, Franz H, Zimmermann A, Wanuske MT, Rathod M, Hanns P, Geier F, Pelczar P, Liang Y, Lorenz V, Stüdle C, Maly PI, Kauferstein S, Beckmann BM, Sheikh F, Kuster GM, Spindler V. Defective Desmosomal Adhesion Causes Arrhythmogenic Cardiomyopathy by Involving an Integrin-αVβ6/TGF-β Signaling Cascade. Circulation 2022; 146:1610-1626. [PMID: 36268721 PMCID: PMC9674449 DOI: 10.1161/circulationaha.121.057329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Arrhythmogenic cardiomyopathy (ACM) is characterized by progressive loss of cardiomyocytes with fibrofatty tissue replacement, systolic dysfunction, and life-threatening arrhythmias. A substantial proportion of ACM is caused by mutations in genes of the desmosomal cell-cell adhesion complex, but the underlying mechanisms are not well understood. In the current study, we investigated the relevance of defective desmosomal adhesion for ACM development and progression. METHODS We mutated the binding site of DSG2 (desmoglein-2), a crucial desmosomal adhesion molecule in cardiomyocytes. This DSG2-W2A mutation abrogates the tryptophan swap, a central interaction mechanism of DSG2 on the basis of structural data. Impaired adhesive function of DSG2-W2A was confirmed by cell-cell dissociation assays and force spectroscopy measurements by atomic force microscopy. The DSG2-W2A knock-in mouse model was analyzed by echocardiography, ECG, and histologic and biomolecular techniques including RNA sequencing and transmission electron and superresolution microscopy. The results were compared with ACM patient samples, and their relevance was confirmed in vivo and in cardiac slice cultures by inhibitor studies applying the small molecule EMD527040 or an inhibitory integrin-αVβ6 antibody. RESULTS The DSG2-W2A mutation impaired binding on molecular level and compromised intercellular adhesive function. Mice bearing this mutation develop a severe cardiac phenotype recalling the characteristics of ACM, including cardiac fibrosis, impaired systolic function, and arrhythmia. A comparison of the transcriptome of mutant mice with ACM patient data suggested deregulated integrin-αVβ6 and subsequent transforming growth factor-β signaling as driver of cardiac fibrosis. Blocking integrin-αVβ6 led to reduced expression of profibrotic markers and reduced fibrosis formation in mutant animals in vivo. CONCLUSIONS We show that disruption of desmosomal adhesion is sufficient to induce a phenotype that fulfils the clinical criteria to establish the diagnosis of ACM, confirming the dysfunctional adhesion hypothesis. Deregulation of integrin-αVβ6 and transforming growth factor-β signaling was identified as a central step toward fibrosis. A pilot in vivo drug test revealed this pathway as a promising target to ameliorate fibrosis. This highlights the value of this model to discern mechanisms of cardiac fibrosis and to identify and test novel treatment options for ACM.
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Affiliation(s)
- Camilla Schinner
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Lifen Xu
- Department of Biomedicine, University Hospital Basel and University of Basel, Switzerland (L.X., V.L., G.M.K.)
| | - Henriette Franz
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Aude Zimmermann
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Marie-Therès Wanuske
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Maitreyi Rathod
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Pauline Hanns
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Florian Geier
- Department of Biomedicine, Bioinformatics Core Facility (F.G.), University Hospital Basel, Switzerland
- Swiss Institute of Bioinformatics, Basel, Switzerland (F.G.)
| | - Pawel Pelczar
- Center for Transgenic Models (P.P.), University of Basel, Switzerland
| | - Yan Liang
- Department of Medicine, University of California San Diego (Y.L., F.S.)
| | - Vera Lorenz
- Department of Biomedicine, University Hospital Basel and University of Basel, Switzerland (L.X., V.L., G.M.K.)
| | - Chiara Stüdle
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Piotr I. Maly
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
| | - Silke Kauferstein
- Department of Legal Medicine, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany (S.K., B.M.B.)
| | - Britt M. Beckmann
- Department of Legal Medicine, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany (S.K., B.M.B.)
- Department of Medicine I, University Hospital, LMU Munich, Germany (B.M.B.)
| | - Farah Sheikh
- Department of Medicine, University of California San Diego (Y.L., F.S.)
| | - Gabriela M. Kuster
- Department of Biomedicine, University Hospital Basel and University of Basel, Switzerland (L.X., V.L., G.M.K.)
- Division of Cardiology (G.M.K.), University Hospital Basel, Switzerland
| | - Volker Spindler
- Department of Biomedicine, Section Anatomy (C. Schinner, H.F., A.Z., M.-T.W., M.R., P.H., C. Stüdle, P.I.M., V.S.), University of Basel, Switzerland
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15
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Barnett SFH, Goult BT. The MeshCODE to scale-visualising synaptic binary information. Front Cell Neurosci 2022; 16:1014629. [PMID: 36467609 PMCID: PMC9716431 DOI: 10.3389/fncel.2022.1014629] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 11/01/2022] [Indexed: 08/31/2023] Open
Abstract
The Mercator projection map of the world provides a useful, but distorted, view of the relative scale of countries. Current cellular models suffer from a similar distortion. Here, we undertook an in-depth structural analysis of the molecular dimensions in the cell's computational machinery, the MeshCODE, that is assembled from a meshwork of binary switches in the scaffolding proteins talin and vinculin. Talin contains a series of force-dependent binary switches and each domain switching state introduces quantised step-changes in talin length on a micrometre scale. The average dendritic spine is 1 μm in diameter so this analysis identifies a plausible Gearbox-like mechanism for dynamic regulation of synaptic function, whereby the positioning of enzymes and substrates relative to each other, mechanically-encoded by the MeshCODE switch patterns, might control synaptic transmission. Based on biophysical rules and experimentally derived distances, this analysis yields a novel perspective on biological digital information.
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Affiliation(s)
- Samuel F. H. Barnett
- Department of Cellular Biophysics, Max Planck Institute for Medical Research, Heidelberg, Germany
| | - Benjamin T. Goult
- School of Biosciences, University of Kent, Canterbury, United Kingdom
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16
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Integrin Alpha v Beta 6 (αvβ6) and Its Implications in Cancer Treatment. Int J Mol Sci 2022; 23:ijms232012346. [PMID: 36293202 PMCID: PMC9603893 DOI: 10.3390/ijms232012346] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/10/2022] [Accepted: 10/12/2022] [Indexed: 11/20/2022] Open
Abstract
Integrins are necessary for cell adhesion, migration, and positioning. Essential for inducing signalling events for cell survival, proliferation, and differentiation, they also trigger a variety of signal transduction pathways involved in mediating invasion, metastasis, and squamous-cell carcinoma. Several recent studies have demonstrated that the up- and down-regulation of the expression of αv and other integrins can be a potent marker of malignant diseases and patient prognosis. This review focuses on an arginine-glycine-aspartic acid (RGD)-dependent integrin αVβ6, its biology, and its role in healthy humans. We examine the implications of αVβ6 in cancer progression and the promotion of epithelial-mesenchymal transition (EMT) by contributing to the activation of transforming growth factor beta TGF-β. Although αvβ6 is crucial for proper function in healthy people, it has also been validated as a target for cancer treatment. This review briefly considers aspects of targeting αVβ6 in the clinic via different therapeutic modalities.
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17
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Horwacik I. The Extracellular Matrix and Neuroblastoma Cell Communication-A Complex Interplay and Its Therapeutic Implications. Cells 2022; 11:cells11193172. [PMID: 36231134 PMCID: PMC9564247 DOI: 10.3390/cells11193172] [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: 08/30/2022] [Revised: 10/04/2022] [Accepted: 10/06/2022] [Indexed: 11/16/2022] Open
Abstract
Neuroblastoma (NB) is a pediatric neuroendocrine neoplasm. It arises from the sympatho-adrenal lineage of neural-crest-derived multipotent progenitor cells that fail to differentiate. NB is the most common extracranial tumor in children, and it manifests undisputed heterogeneity. Unsatisfactory outcomes of high-risk (HR) NB patients call for more research to further inter-relate treatment and molecular features of the disease. In this regard, it is well established that in the tumor microenvironment (TME), malignant cells are engaged in complex and dynamic interactions with the extracellular matrix (ECM) and stromal cells. The ECM can be a source of both pro- and anti-tumorigenic factors to regulate tumor cell fate, such as survival, proliferation, and resistance to therapy. Moreover, the ECM composition, organization, and resulting signaling networks are vastly remodeled during tumor progression and metastasis. This review mainly focuses on the molecular mechanisms and effects of interactions of selected ECM components with their receptors on neuroblastoma cells. Additionally, it describes roles of enzymes modifying and degrading ECM in NB. Finally, the article gives examples on how the knowledge is exploited for prognosis and to yield new treatment options for NB patients.
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Affiliation(s)
- Irena Horwacik
- Laboratory of Molecular Genetics and Virology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Kraków, Poland
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18
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Cao M, Shi E, Wang H, Mao L, Wu Q, Li X, Liang Y, Yang X, Wang Y, Li C. Personalized Targeted Therapeutic Strategies against Oral Squamous Cell Carcinoma. An Evidence-Based Review of Literature. Int J Nanomedicine 2022; 17:4293-4306. [PMID: 36134201 PMCID: PMC9484769 DOI: 10.2147/ijn.s377816] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 09/06/2022] [Indexed: 11/23/2022] Open
Abstract
Oral squamous cell carcinoma (OSCC) is the most common type of malignant tumor in the head and neck, with a poor prognosis mainly due to recurrence and metastasis. Classical treatment modalities for OSCC like surgery and radiotherapy have difficulties in dealing with metastatic tumors, and together with chemotherapy, they have major problems related to non-specific cell death. Molecular targeted therapies offer solutions to these problems through not only potentially maximizing the anticancer efficacy but also minimizing the treatment-related toxicity. Among them, the receptor-mediated targeted delivery of anticancer therapeutics remains the most promising one. As OSCC exhibits a heterogeneous nature, selecting the appropriate receptors for targeting is the prerequisite. Hence, we reviewed the OSCC-associated receptors previously used in targeted therapy, focused on their biochemical characteristics and expression patterns, and discussed the application potential in personalized targeted therapy of OSCC. We hope that a better comprehension of this subject will help to provide the fundamental information for OSCC personalized therapeutic planning.
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Affiliation(s)
- Mingxin Cao
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Enyu Shi
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Hanping Wang
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Lujia Mao
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Qiqi Wu
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Xinming Li
- Tianjin Stomatological Hospital, School of Medicine, Nankai University, Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, Tianjin, 300041, People's Republic of China
| | - Yanjie Liang
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Xiaoying Yang
- Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Yinsong Wang
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China.,Tianjin Key Laboratory of Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin, 300070, People's Republic of China
| | - Changyi Li
- School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, People's Republic of China
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19
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Martin CE, Phippen NJ, Keyvani Chahi A, Tilak M, Banerjee SL, Lu P, New LA, Williamson CR, Platt MJ, Simpson JA, Krendel M, Bisson N, Gingras AC, Jones N. Complementary Nck1/2 Signaling in Podocytes Controls α Actinin-4-Mediated Actin Organization, Adhesion, and Basement Membrane Composition. J Am Soc Nephrol 2022; 33:1546-1567. [PMID: 35906089 PMCID: PMC9342632 DOI: 10.1681/asn.2021101343] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 04/26/2022] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Maintenance of the kidney filtration barrier requires coordinated interactions between podocytes and the underlying glomerular basement membrane (GBM). GBM ligands bind podocyte integrins, which triggers actin-based signaling events critical for adhesion. Nck1/2 adaptors have emerged as essential regulators of podocyte cytoskeletal dynamics. However, the precise signaling mechanisms mediated by Nck1/2 adaptors in podocytes remain to be fully elucidated. METHODS We generated podocytes deficient in Nck1 and Nck2 and used transcriptomic approaches to profile expression differences. Proteomic techniques identified specific binding partners for Nck1 and Nck2 in podocytes. We used cultured podocytes and mice deficient in Nck1 and/or Nck2, along with podocyte injury models, to comprehensively verify our findings. RESULTS Compound loss of Nck1/2 altered expression of genes involved in actin binding, cell adhesion, and extracellular matrix composition. Accordingly, Nck1/2-deficient podocytes showed defects in actin organization and cell adhesion in vitro, with podocyte detachment and altered GBM morphology present in vivo. We identified distinct interactomes for Nck1 and Nck2 and uncovered a mechanism by which Nck1 and Nck2 cooperate to regulate actin bundling at focal adhesions via α actinin-4. Furthermore, loss of Nck1 or Nck2 resulted in increased matrix deposition in vivo, with more prominent defects in Nck2-deficient mice, consistent with enhanced susceptibility to podocyte injury. CONCLUSION These findings reveal distinct, yet complementary, roles for Nck proteins in regulating podocyte adhesion, controlling GBM composition, and sustaining filtration barrier integrity.
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Affiliation(s)
- Claire E Martin
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada.,Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, Ontario, Canada
| | - Noah J Phippen
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Ava Keyvani Chahi
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada.,Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Manali Tilak
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Sara L Banerjee
- Division of Oncology, Centre de Recherche du Centre Hospitalier Universitaire de Quebec-Laval University, Quebec City, Quebec, Canada.,Centre de Recherche sur le Cancer de l'Université Laval, Quebec City, Quebec, Canada
| | - Peihua Lu
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Laura A New
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Casey R Williamson
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
| | - Mathew J Platt
- Department of Human Health and Nutritional Science, University of Guelph, Guelph, Ontario, Canada
| | - Jeremy A Simpson
- Department of Human Health and Nutritional Science, University of Guelph, Guelph, Ontario, Canada
| | - Mira Krendel
- Department of Cell and Developmental Biology, State University of New York Upstate Medical University, Syracuse, New York
| | - Nicolas Bisson
- Division of Oncology, Centre de Recherche du Centre Hospitalier Universitaire de Quebec-Laval University, Quebec City, Quebec, Canada.,Centre de Recherche sur le Cancer de l'Université Laval, Quebec City, Quebec, Canada.,PROTEO-Quebec Network for Research on Protein Function, Engineering, and Applications Department of Molecular Biology, Medical Biochemistry and Pathology, Laval University, Quebec City, Quebec, Canada
| | - Anne-Claude Gingras
- Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, Ontario, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Nina Jones
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario, Canada
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20
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The fibrogenic niche in kidney fibrosis: components and mechanisms. Nat Rev Nephrol 2022; 18:545-557. [PMID: 35788561 DOI: 10.1038/s41581-022-00590-z] [Citation(s) in RCA: 100] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 02/08/2023]
Abstract
Kidney fibrosis, characterized by excessive deposition of extracellular matrix (ECM) that leads to tissue scarring, is the final common outcome of a wide variety of chronic kidney diseases. Rather than being distributed uniformly across the kidney parenchyma, renal fibrotic lesions initiate at certain focal sites in which the fibrogenic niche is formed in a spatially confined fashion. This niche provides a unique tissue microenvironment that is orchestrated by a specialized ECM network consisting of de novo-induced matricellular proteins. Other structural elements of the fibrogenic niche include kidney resident and infiltrated inflammatory cells, extracellular vesicles, soluble factors and metabolites. ECM proteins in the fibrogenic niche recruit soluble factors including WNTs and transforming growth factor-β from the extracellular milieu, creating a distinctive profibrotic microenvironment. Studies using decellularized ECM scaffolds from fibrotic kidneys show that the fibrogenic niche autonomously promotes fibroblast proliferation, tubular injury, macrophage activation and endothelial cell depletion, pathological features that recapitulate key events in the pathogenesis of chronic kidney disease. The concept of the fibrogenic niche represents a paradigm shift in understanding of the mechanism of kidney fibrosis that could lead to the development of non-invasive biomarkers and novel therapies not only for chronic kidney disease, but also for fibrotic diseases of other organs.
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21
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Gomes de Almeida P, Rifes P, Martins-Jesus AP, Pinheiro GG, Andrade RP, Thorsteinsdóttir S. Cell–Fibronectin Interactions and Actomyosin Contractility Regulate the Segmentation Clock and Spatio-Temporal Somite Cleft Formation during Chick Embryo Somitogenesis. Cells 2022; 11:cells11132003. [PMID: 35805087 PMCID: PMC9266262 DOI: 10.3390/cells11132003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 06/15/2022] [Accepted: 06/21/2022] [Indexed: 12/19/2022] Open
Abstract
Fibronectin is essential for somite formation in the vertebrate embryo. Fibronectin matrix assembly starts as cells emerge from the primitive streak and ingress in the unsegmented presomitic mesoderm (PSM). PSM cells undergo cyclic waves of segmentation clock gene expression, followed by Notch-dependent upregulation of meso1 in the rostral PSM which induces somite cleft formation. However, the relevance of the fibronectin matrix for these molecular processes remains unknown. Here, we assessed the role of the PSM fibronectin matrix in the spatio-temporal regulation of chick embryo somitogenesis by perturbing (1) extracellular fibronectin matrix assembly, (2) integrin–fibronectin binding, (3) Rho-associated protein kinase (ROCK) activity and (4) non-muscle myosin II (NM II) function. We found that integrin–fibronectin engagement and NM II activity are required for cell polarization in the nascent somite. All treatments resulted in defective somitic clefts and significantly perturbed meso1 and segmentation clock gene expression in the PSM. Importantly, inhibition of actomyosin-mediated contractility increased the period of hairy1/hes4 oscillations from 90 to 120 min. Together, our work strongly suggests that the fibronectin–integrin–ROCK–NM II axis regulates segmentation clock dynamics and dictates the spatio-temporal localization of somitic clefts.
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Affiliation(s)
- Patrícia Gomes de Almeida
- cE3c—CHANGE, Departmento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, 1740-016 Lisboa, Portugal; (P.G.d.A.); (P.R.); (G.G.P.)
- ABC-RI, Algarve Biomedical Center Research Institute, 8005-139 Faro, Portugal; (A.P.M.-J.); (R.P.A.)
- Faculdade de Medicina e Ciências Biomédicas (FMCB), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Pedro Rifes
- cE3c—CHANGE, Departmento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, 1740-016 Lisboa, Portugal; (P.G.d.A.); (P.R.); (G.G.P.)
| | - Ana P. Martins-Jesus
- ABC-RI, Algarve Biomedical Center Research Institute, 8005-139 Faro, Portugal; (A.P.M.-J.); (R.P.A.)
- Faculdade de Medicina e Ciências Biomédicas (FMCB), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Gonçalo G. Pinheiro
- cE3c—CHANGE, Departmento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, 1740-016 Lisboa, Portugal; (P.G.d.A.); (P.R.); (G.G.P.)
- ABC-RI, Algarve Biomedical Center Research Institute, 8005-139 Faro, Portugal; (A.P.M.-J.); (R.P.A.)
- Faculdade de Medicina e Ciências Biomédicas (FMCB), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Raquel P. Andrade
- ABC-RI, Algarve Biomedical Center Research Institute, 8005-139 Faro, Portugal; (A.P.M.-J.); (R.P.A.)
- Faculdade de Medicina e Ciências Biomédicas (FMCB), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
- Champalimaud Research Program, Champalimaud Center for the Unknown, 1400-038 Lisboa, Portugal
| | - Sólveig Thorsteinsdóttir
- cE3c—CHANGE, Departmento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, 1740-016 Lisboa, Portugal; (P.G.d.A.); (P.R.); (G.G.P.)
- Correspondence:
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22
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Zuidema A, Atherton P, Kreft M, Hoekman L, Bleijerveld OB, Nagaraj N, Chen N, Fässler R, Sonnenberg A. PEAK1 Y635 phosphorylation regulates cell migration through association with Tensin3 and integrins. J Biophys Biochem Cytol 2022; 221:213273. [PMID: 35687021 PMCID: PMC9194829 DOI: 10.1083/jcb.202108027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 03/22/2022] [Accepted: 05/18/2022] [Indexed: 02/03/2023] Open
Abstract
Integrins mediate cell adhesion by connecting the extracellular matrix to the intracellular cytoskeleton and orchestrate signal transduction in response to chemical and mechanical stimuli by interacting with many cytoplasmic proteins. We used BioID to interrogate the interactomes of β1 and β3 integrins in epithelial cells and identified PEAK1 as an interactor of the RGD-binding integrins α5β1, αVβ3, and αVβ5 in focal adhesions. We demonstrate that the interaction between integrins and PEAK1 occurs indirectly through Tensin3, requiring both the membrane-proximal NPxY motif on the integrin β tail and binding of the SH2 domain of Tensin3 to phosphorylated Tyr-635 on PEAK1. Phosphorylation of Tyr-635 is mediated by Src and regulates cell migration. Additionally, we found that Shc1 localizes in focal adhesions in a PEAK1 phosphorylated Tyr-1188-dependent fashion. Besides binding Shc1, PEAK1 also associates with a protein cluster that mediates late EGFR/Shc1 signaling. We propose a model in which PEAK1 binds Tensin3 and Shc1 to converge integrin and growth factor receptor signal transduction.
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Affiliation(s)
- Alba Zuidema
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Paul Atherton
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Maaike Kreft
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Liesbeth Hoekman
- Proteomics Facility, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Onno B. Bleijerveld
- Proteomics Facility, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Nagarjuna Nagaraj
- Mass Spectrometry Core Facility at the Max-Planck Institute of Biochemistry, Planegg, Germany
| | - Nanpeng Chen
- Department of Molecular Medicine, Max-Planck Institute of Biochemistry, Planegg, Germany
| | - Reinhard Fässler
- Department of Molecular Medicine, Max-Planck Institute of Biochemistry, Planegg, Germany
| | - Arnoud Sonnenberg
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands,Correspondence to Arnoud Sonnenberg:
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23
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Byron A, Griffith BGC, Herrero A, Loftus AEP, Koeleman ES, Kogerman L, Dawson JC, McGivern N, Culley J, Grimes GR, Serrels B, von Kriegsheim A, Brunton VG, Frame MC. Characterisation of a nucleo-adhesome. Nat Commun 2022; 13:3053. [PMID: 35650196 PMCID: PMC9160004 DOI: 10.1038/s41467-022-30556-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 05/02/2022] [Indexed: 11/09/2022] Open
Abstract
In addition to central functions in cell adhesion signalling, integrin-associated proteins have wider roles at sites distal to adhesion receptors. In experimentally defined adhesomes, we noticed that there is clear enrichment of proteins that localise to the nucleus, and conversely, we now report that nuclear proteomes contain a class of adhesome components that localise to the nucleus. We here define a nucleo-adhesome, providing experimental evidence for a remarkable scale of nuclear localisation of adhesion proteins, establishing a framework for interrogating nuclear adhesion protein functions. Adding to nuclear FAK's known roles in regulating transcription, we now show that nuclear FAK regulates expression of many adhesion-related proteins that localise to the nucleus and that nuclear FAK binds to the adhesome component and nuclear protein Hic-5. FAK and Hic-5 work together in the nucleus, co-regulating a subset of genes transcriptionally. We demonstrate the principle that there are subcomplexes of nuclear adhesion proteins that cooperate to control transcription.
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Affiliation(s)
- Adam Byron
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK.
- Division of Molecular and Cellular Function, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M13 9PT, UK.
| | - Billie G C Griffith
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Ana Herrero
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
- Instituto de Biomedicina y Biotecnología de Cantabria (IBBTEC), Consejo Superior de Investigaciones Científicas (CSIC)-Universidad de Cantabria, 39011, Santander, Spain
| | - Alexander E P Loftus
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Emma S Koeleman
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
- Leiden University Medical Center, 2333 ZC, Leiden, The Netherlands
- Division of Chromatin Networks, German Cancer Research Center (DKFZ) and Bioquant, 69120, Heidelberg, Germany
| | - Linda Kogerman
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - John C Dawson
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Niamh McGivern
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
- Almac Diagnostic Services, 19 Seagoe Industrial Estate, Craigavon, BT63 5QD, UK
| | - Jayne Culley
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Graeme R Grimes
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Bryan Serrels
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
- NanoString Technologies, Inc., Seattle, WA, 98109, USA
| | - Alex von Kriegsheim
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Valerie G Brunton
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
| | - Margaret C Frame
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XR, UK
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24
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Yamaguchi N, Knaut H. Focal adhesion-mediated cell anchoring and migration: from in vitro to in vivo. Development 2022; 149:275460. [PMID: 35587444 DOI: 10.1242/dev.200647] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cell-extracellular matrix interactions have been studied extensively using cells cultured in vitro. These studies indicate that focal adhesion (FA)-based cell-extracellular matrix interactions are essential for cell anchoring and cell migration. Whether FAs play a similarly important role in vivo is less clear. Here, we summarize the formation and function of FAs in cultured cells and review how FAs transmit and sense force in vitro. Using examples from animal studies, we also describe the role of FAs in cell anchoring during morphogenetic movements and cell migration in vivo. Finally, we conclude by discussing similarities and differences in how FAs function in vitro and in vivo.
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Affiliation(s)
- Naoya Yamaguchi
- Skirball Institute of Biomolecular Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Holger Knaut
- Skirball Institute of Biomolecular Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
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25
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Duan B, Qin Z, Gu X, Li Y. Migfilin: Cell Adhesion Effect and Comorbidities. Onco Targets Ther 2022; 15:411-422. [PMID: 35469339 PMCID: PMC9034862 DOI: 10.2147/ott.s357355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 04/04/2022] [Indexed: 11/28/2022] Open
Abstract
Cell adhesion manifests as cell linkages to neighboring cells and/or the extracellular matrix (ECM). Migfilin is a widely expressed adhesion protein. It comprises three LIM domains in the C-terminal region and one proline-rich sequence in the N-terminal region. Through interplay with its various binding partners, such as Kindlin-2, Filamin, vasodilator-stimulated phosphoprotein (VASP) protein and the transcription factor CSX, Migfilin facilitates the dynamic association of connecting actomyosin fibers, orchestrating cell morphogenetic movement and cell adhesion, proliferation, migration, invasion, differentiation and signal transduction. In this review, to further elucidate the functional contributions of and pathogenesis induced by Migfilin, we focused on the structure of Migfilin and the targets which it directly binds with. We also summarized the role of Migfilin and its binding partners in the progression of different diseases and malignancies. As a possible candidate for coordinating various cellular processes and because of its association with both the pathogenesis and progression of certain tumors, Migfilin likely has utility as a therapeutic target against multiple diseases in the clinic.
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Affiliation(s)
- Baoyu Duan
- Department of Pharmacy, Shanghai University of Medicine and Health Sciences, Shanghai, People’s Republic of China
| | - Ziyao Qin
- Department of Research and Development, Shanghai Institute of Biological Products Co., Ltd., Shanghai, People’s Republic of China
| | - Xuefeng Gu
- Department of Pharmacy, Shanghai University of Medicine and Health Sciences, Shanghai, People’s Republic of China
- Xuefeng Gu, Department of Pharmacy, 279 Zhouzhu Road, Shanghai, 201318, People’s Republic of China, Tel +86 21 6588 3180, Email
| | - Yanfei Li
- Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, Shanghai, People’s Republic of China
- Correspondence: Yanfei Li, Shanghai University of Medicine and Health Sciences Affiliated Zhoupu Hospital, 1500 Zhouyuan Road, Shanghai, 201318, People’s Republic of China, Tel +86 21 6588 3180 Email
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26
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miRNA-guided reprogramming of glucose and glutamine metabolism and its impact on cell adhesion/migration during solid tumor progression. Cell Mol Life Sci 2022; 79:216. [PMID: 35348905 PMCID: PMC8964646 DOI: 10.1007/s00018-022-04228-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 12/13/2022]
Abstract
MicroRNAs (miRNAs) are small, non-coding RNAs about 22 nucleotides in length that regulate the expression of target genes post-transcriptionally, and are highly involved in cancer progression. They are able to impact a variety of cell processes such as proliferation, apoptosis and differentiation and can consequently control tumor initiation, tumor progression and metastasis formation. miRNAs can regulate, at the same time, metabolic gene expression which, in turn, influences relevant traits of malignancy such as cell adhesion, migration and invasion. Since the interaction between metabolism and adhesion or cell movement has not, to date, been well understood, in this review, we will specifically focus on miRNA alterations that can interfere with some metabolic processes leading to the modulation of cancer cell movement. In addition, we will analyze the signaling pathways connecting metabolism and adhesion/migration, alterations that often affect cancer cell dissemination and metastasis formation.
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27
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Li Q, Lan T, Xie J, Lu Y, Zheng D, Su B. Integrin-Mediated Tumorigenesis and Its Therapeutic Applications. Front Oncol 2022; 12:812480. [PMID: 35223494 PMCID: PMC8873568 DOI: 10.3389/fonc.2022.812480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 01/17/2022] [Indexed: 11/13/2022] Open
Abstract
Integrins, a family of adhesion molecules generally exist on the cell surface, are essential for regulating cell growth and its function. As a bi-directional signaling molecule, they mediate cell-cell and cell-extracellular matrix interaction. The recognitions of their key roles in many human pathologies, including autoimmunity, thrombosis and neoplasia, have revealed their great potential as a therapeutic target. This paper focuses on the activation of integrins, the role of integrins in tumorigenesis and progression, and advances of integrin-dependent tumor therapeutics in recent years. It is expected that understanding function and signaling transmission will fully exploit potentialities of integrin as a novel target for tumors.
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Affiliation(s)
- Qingling Li
- Fujian Key Laboratory of Oral Diseases, Fujian Provincial Engineering Research Center of Oral Biomaterial, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
- Department of Preventive Dentistry, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
| | - Ting Lan
- Fujian Key Laboratory of Oral Diseases, Fujian Provincial Engineering Research Center of Oral Biomaterial, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
| | - Jian Xie
- Fujian Key Laboratory of Oral Diseases, Fujian Provincial Engineering Research Center of Oral Biomaterial, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
- Department of Preventive Dentistry, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
| | - Youguang Lu
- Fujian Key Laboratory of Oral Diseases, Fujian Provincial Engineering Research Center of Oral Biomaterial, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
- Department of Preventive Dentistry, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
| | - Dali Zheng
- Fujian Key Laboratory of Oral Diseases, Fujian Provincial Engineering Research Center of Oral Biomaterial, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
- *Correspondence: Dali Zheng, ; Bohua Su,
| | - Bohua Su
- Fujian Key Laboratory of Oral Diseases, Fujian Provincial Engineering Research Center of Oral Biomaterial, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
- Department of Preventive Dentistry, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, China
- *Correspondence: Dali Zheng, ; Bohua Su,
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28
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Matrix Metalloproteinases Shape the Tumor Microenvironment in Cancer Progression. Int J Mol Sci 2021; 23:ijms23010146. [PMID: 35008569 PMCID: PMC8745566 DOI: 10.3390/ijms23010146] [Citation(s) in RCA: 125] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/12/2022] Open
Abstract
Cancer progression with uncontrolled tumor growth, local invasion, and metastasis depends largely on the proteolytic activity of numerous matrix metalloproteinases (MMPs), which affect tissue integrity, immune cell recruitment, and tissue turnover by degrading extracellular matrix (ECM) components and by releasing matrikines, cell surface-bound cytokines, growth factors, or their receptors. Among the MMPs, MMP-14 is the driving force behind extracellular matrix and tissue destruction during cancer invasion and metastasis. MMP-14 also influences both intercellular as well as cell-matrix communication by regulating the activity of many plasma membrane-anchored and extracellular proteins. Cancer cells and other cells of the tumor stroma, embedded in a common extracellular matrix, interact with their matrix by means of various adhesive structures, of which particularly invadopodia are capable to remodel the matrix through spatially and temporally finely tuned proteolysis. As a deeper understanding of the underlying functional mechanisms is beneficial for the development of new prognostic and predictive markers and for targeted therapies, this review examined the current knowledge of the interplay of the various MMPs in the cancer context on the protein, subcellular, and cellular level with a focus on MMP14.
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29
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Yan S, Golumba-Nagy V, Kotschenreuther K, Thiele J, Refaian N, Shuya D, Gloyer L, Dittrich-Salamon M, Meyer A, Heindl LM, Kofler DM. Membrane-bound IL-6R is upregulated on Th17 cells and inhibits Treg cell migration by regulating post-translational modification of VASP in autoimmune arthritis. Cell Mol Life Sci 2021; 79:3. [PMID: 34913099 PMCID: PMC8674172 DOI: 10.1007/s00018-021-04076-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 11/11/2021] [Accepted: 12/02/2021] [Indexed: 12/16/2022]
Abstract
Autoimmune arthritis is characterized by impaired regulatory T (Treg) cell migration into inflamed joint tissue and by dysregulation of the balance between Treg cells and Th17 cells. Interleukin-6 (IL-6) is known to contribute to this dysregulation, but the molecular mechanisms behind impaired Treg cell migration remain largely unknown. In this study, we assessed dynamic changes in membrane-bound IL-6 receptor (IL6R) expression levels on Th17 cells by flow cytometry during the development of collagen-induced arthritis (CIA). In a next step, bioinformatics analysis based on proteomics was performed to evaluate potential pathways affected by altered IL-6R signaling in autoimmune arthritis. Our analysis shows that membrane-bound IL-6R is upregulated on Th17 cells and is inversely correlated with IL-6 serum levels in experimental autoimmune arthritis. Moreover, IL-6R expression is significantly increased on Th17 cells from untreated patients with rheumatoid arthritis (RA). Interestingly, CD4+ T cells from CIA mice and RA patients show reduced phosphorylation of vasodilator-stimulated phosphoprotein (VASP). Bioinformatics analysis based on proteomics of CD4+ T cells with low or high phosphorylation levels of VASP revealed that integrin signaling and related pathways are significantly enriched in cells with low phosphorylation of VASP. Specific inhibition of p-VASP reduces the migratory function of Treg cells but has no influence on effector CD4+ T cells. Importantly, IL-6R blockade restores the phosphorylation level of VASP, thereby improving the migratory function of Treg cells from RA patients. Thus, our results establish a link between IL6R signaling and phosphorylation of VASP, which controls Treg cell migration in autoimmune arthritis.
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Affiliation(s)
- Shuaifeng Yan
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany
| | - Viktoria Golumba-Nagy
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany
| | - Konstantin Kotschenreuther
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany
| | - Jan Thiele
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany
| | - Nasrin Refaian
- Department of Ophthalmology, University of Cologne, Cologne, Germany
| | - Deng Shuya
- Department of Ophthalmology, University of Cologne, Cologne, Germany
| | - Lydia Gloyer
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany
| | - Mara Dittrich-Salamon
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany
| | - Anja Meyer
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany
| | - Ludwig M Heindl
- Department of Ophthalmology, University of Cologne, Cologne, Germany
| | - David M Kofler
- Laboratory of Molecular Immunology, Division of Rheumatology and Clinical Immunology, Department I of Internal Medicine, University of Cologne, Kerpenerstr. 62, 50937, Cologne, Germany. .,Center for Integrated Oncology, Aachen Bonn Cologne Duesseldorf, Cologne, Germany.
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30
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Pankova V, Thway K, Jones RL, Huang PH. The Extracellular Matrix in Soft Tissue Sarcomas: Pathobiology and Cellular Signalling. Front Cell Dev Biol 2021; 9:763640. [PMID: 34957097 PMCID: PMC8696013 DOI: 10.3389/fcell.2021.763640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 11/09/2021] [Indexed: 11/22/2022] Open
Abstract
Soft tissue sarcomas are rare cancers of mesenchymal origin or differentiation comprising over 70 different histological subtypes. Due to their mesenchymal differentiation, sarcomas are thought to produce and deposit large quantities of extracellular matrix (ECM) components. Interactions between ECM ligands and their corresponding adhesion receptors such as the integrins and the discoidin domain receptors play key roles in driving many fundamental oncogenic processes including uncontrolled proliferation, cellular invasion and altered metabolism. In this review, we focus on emerging studies that describe the key ECM components commonly found in soft tissue sarcomas and discuss preclinical and clinical evidence outlining the important role that these proteins and their cognate adhesion receptors play in sarcomagenesis. We conclude by providing a perspective on the need for more comprehensive in-depth analyses of both the ECM and adhesion receptor biology in multiple histological subtypes in order to identify new drug targets and prognostic biomarkers for this group of rare diseases of unmet need.
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Affiliation(s)
- Valeriya Pankova
- Division of Molecular Pathology, The Institute of Cancer Research, Sutton, United Kingdom
| | - Khin Thway
- Division of Molecular Pathology, The Institute of Cancer Research, Sutton, United Kingdom
- Sarcoma Unit, The Royal Marsden NHS Foundation Trust, London, United Kingdom
| | - Robin L. Jones
- Sarcoma Unit, The Royal Marsden NHS Foundation Trust, London, United Kingdom
- Division of Clinical Studies, The Institute of Cancer Research, Sutton, United Kingdom
| | - Paul H. Huang
- Division of Molecular Pathology, The Institute of Cancer Research, Sutton, United Kingdom
- *Correspondence: Paul H. Huang,
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31
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Hou S, Wang J, Li W, Hao X, Hang Q. Roles of Integrins in Gastrointestinal Cancer Metastasis. Front Mol Biosci 2021; 8:708779. [PMID: 34869579 PMCID: PMC8634653 DOI: 10.3389/fmolb.2021.708779] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 10/08/2021] [Indexed: 12/12/2022] Open
Abstract
Integrins are a large family of heterodimeric transmembrane receptors which mediate cell adhesion and transmit signals to the cell interior. The mechanistic roles of integrins have long been an enigma in cancer, given its complexity in regulating different cellular behaviors. Recently, however, increasing research is providing new insights into its function and the underlying mechanisms, which collectively include the influences of altered integrin expression on the aberrant signaling pathways and cancer progression. Many studies have also demonstrated the potentiality of integrins as therapeutic targets in cancer treatment. In this review, we have summarized these recent reports and put a particular emphasis on the dysregulated expression of integrins and how they regulate related signaling pathways to facilitate the metastatic progression of gastrointestinal cancer, including gastric cancer (GC) and colorectal cancer (CRC), which will address the crucial roles of integrins in gastrointestinal cancer.
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Affiliation(s)
- Sicong Hou
- Department of Gastroenterology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Jiaxin Wang
- Department of Clinical Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Wenqian Li
- Department of Clinical Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Xin Hao
- Department of Clinical Medicine, Medical College, Yangzhou University, Yangzhou, China
| | - Qinglei Hang
- Department of Experimental Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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32
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Perez VM, Kearney JF, Yeh JJ. The PDAC Extracellular Matrix: A Review of the ECM Protein Composition, Tumor Cell Interaction, and Therapeutic Strategies. Front Oncol 2021; 11:751311. [PMID: 34692532 PMCID: PMC8526858 DOI: 10.3389/fonc.2021.751311] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 09/21/2021] [Indexed: 12/12/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is notorious for a dense fibrotic stroma that is interlaced with a collagen-based extracellular matrix (ECM) that plays an important role in tumor biology. Traditionally thought to only provide a physical barrier from host responses and systemic chemotherapy, new studies have demonstrated that the ECM maintains biomechanical and biochemical properties of the tumor microenvironment (TME) and restrains tumor growth. Recent studies have shown that the ECM augments tumor stiffness, interstitial fluid pressure, cell-to-cell junctions, and microvascularity using a mix of biomechanical and biochemical signals to influence tumor fate for better or worse. In addition, PDAC tumors have been shown to use ECM-derived peptide fragments as a nutrient source in nutrient-poor conditions. While collagens are the most abundant proteins found in the ECM, several studies have identified growth factors, integrins, glycoproteins, and proteoglycans in the ECM. This review focuses on the dichotomous nature of the PDAC ECM, the types of collagens and other proteins found in the ECM, and therapeutic strategies targeting the PDAC ECM.
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Affiliation(s)
- Vincent M Perez
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Joseph F Kearney
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
| | - Jen Jen Yeh
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States.,Department of Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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33
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Simons P, Rinaldi DA, Bondu V, Kell AM, Bradfute S, Lidke DS, Buranda T. Integrin activation is an essential component of SARS-CoV-2 infection. Sci Rep 2021; 11:20398. [PMID: 34650161 PMCID: PMC8516859 DOI: 10.1038/s41598-021-99893-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/30/2021] [Indexed: 02/07/2023] Open
Abstract
SARS-CoV-2 infection depends on binding its spike (S) protein to angiotensin-converting enzyme 2 (ACE2). The S protein expresses an RGD motif, suggesting that integrins may be co-receptors. Here, we UV-inactivated SARS-CoV-2 and fluorescently labeled the envelope membrane with octadecyl rhodamine B (R18) to explore the role of integrin activation in mediating cell entry and productive infection. We used flow cytometry and confocal microscopy to show that SARS-CoV-2R18 particles engage basal-state integrins. Furthermore, we demonstrate that Mn2+, which induces integrin extension, enhances cell entry of SARS-CoV-2R18. We also show that one class of integrin antagonist, which binds to the αI MIDAS site and stabilizes the inactive, closed conformation, selectively inhibits the engagement of SARS-CoV-2R18 with basal state integrins, but is ineffective against Mn2+-activated integrins. RGD-integrin antagonists inhibited SARS-CoV-2R18 binding regardless of integrin activation status. Integrins transmit signals bidirectionally: 'inside-out' signaling primes the ligand-binding function of integrins via a talin-dependent mechanism, and 'outside-in' signaling occurs downstream of integrin binding to macromolecular ligands. Outside-in signaling is mediated by Gα13. Using cell-permeable peptide inhibitors of talin and Gα13 binding to the cytoplasmic tail of an integrin's β subunit, we demonstrate that talin-mediated signaling is essential for productive infection.
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Affiliation(s)
- Peter Simons
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Derek A Rinaldi
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Virginie Bondu
- Molecular Genetics and Microbiology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Alison M Kell
- Molecular Genetics and Microbiology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
- Center for Infectious Diseases and Immunity, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Steven Bradfute
- Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
- Center for Infectious Diseases and Immunity, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
| | - Diane S Lidke
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA
- Comprehensive Cancer Center, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Tione Buranda
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA.
- Center for Infectious Diseases and Immunity, University of New Mexico School of Medicine, Albuquerque, NM, 87131, USA.
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34
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Wang L, Zheng F, Song R, Zhuang L, Yang M, Suo J, Li L. Integrins in the Regulation of Mesenchymal Stem Cell Differentiation by Mechanical Signals. Stem Cell Rev Rep 2021; 18:126-141. [PMID: 34536203 DOI: 10.1007/s12015-021-10260-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/02/2021] [Indexed: 10/20/2022]
Abstract
Mesenchymal stem cells (MSCs) can sense and convert mechanical stimuli signals into a chemical response. Integrins are involved in the mechanotransduction from inside to outside and from outside to inside, and ultimately affect the fate of MSCs responding to different mechanical signals. Different integrins participate in different signaling pathways to regulate MSCs multi-differentiation. In this review, we summarize the latest advances in the effects of mechanical signals on the differentiation of MSCs, the importance of integrins in mechanotransduction, the relationship between integrin heterodimers and different mechanical signals, and the interaction among mechanical signals. We put forward our views on the prospect and challenges of developing mechanical biology in tissue engineering and regenerative medicine.
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Affiliation(s)
- Lei Wang
- Department of Gastrointestinal Surgery, Jilin University First Hospital, Jilin University, 130021, Changchun, People's Republic of China
| | - Fuwen Zheng
- Norman Bethune College of Medicine, Jilin University, 130021, Changchun, People's Republic of China
| | - Ruixue Song
- Norman Bethune College of Medicine, Jilin University, 130021, Changchun, People's Republic of China
| | - Lequan Zhuang
- Norman Bethune College of Medicine, Jilin University, 130021, Changchun, People's Republic of China
| | - Ming Yang
- Department of Molecular Biology, College of Basic Medical Sciences, Jilin University, 130021, Changchun, People's Republic of China.
| | - Jian Suo
- Department of Gastrointestinal Surgery, Jilin University First Hospital, Jilin University, 130021, Changchun, People's Republic of China.
| | - Lisha Li
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, 130021, Changchun, People's Republic of China.
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35
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Dobson HE, Ruan S, Chang AE, Wicha MS, Li Q. Targeting cancer stem cells via integrin β4. Oncotarget 2021; 12:1850-1858. [PMID: 34504657 PMCID: PMC8416562 DOI: 10.18632/oncotarget.27977] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/13/2021] [Indexed: 12/12/2022] Open
Abstract
Integrins mediate cell-cell interactions and communication with the extracellular matrix (ECM). These transmembrane protein receptors allow binding between a cell and its surroundings, initiating a breadth of intracellular signaling resulting in proliferation, differentiation, survival, or migration. Such responses have made integrins an attractive target for cancer therapy. Self-renewing and highly tumorigenic cancer stem cells (CSCs) are most resistant to traditional radiation treatment and chemotherapy, and therefore may contribute directly to the metastasis and relapse of the disease. In both the 4T1 mouse metastatic mammary tumor model and SCC7 head and neck squamous cell carcinoma model, integrin β4 (ITGB4) was expressed on ALDHhigh 4T1 and SCC7 CSCs. Using two immunological approaches, we targeted ITGB4 through 1) ITGB4 protein-pulsed dendritic cell (ITGB4-DC) vaccination or 2) via anti-CD3/anit-ITGB4 bispecific antibody (ITGB4 BiAb)-armed T cell adoptive transfer. These two therapies reduced ITGB4-expressing CSCs and inhibited local tumor growth and lung metastasis through ITGB4 specific cellular and humoral immune responses. Additionally, the combination of anti-PD-L1 immunotherapy with our two ITGB4-targeted approaches significantly improved treatment efficacy. We also found increased concentrations of serum IFN-γ and IL-6 in the 4T1 and SCC7 models which may help define future directions of this ITGB4-targeted study. Together, these results emphasize ITGB4 as a practical CSC immunological target with possible therapeutic benefits across tumor types with high ITGB4 expression.
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Affiliation(s)
- Hannah E Dobson
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Shasha Ruan
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA.,Department of Clinical Oncology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Alfred E Chang
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Max S Wicha
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Qiao Li
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI 48109, USA
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36
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Tsirtsaki K, Gkretsi V. The focal adhesion protein Integrin-Linked Kinase (ILK) as an important player in breast cancer pathogenesis. Cell Adh Migr 2021; 14:204-213. [PMID: 33043811 PMCID: PMC7553581 DOI: 10.1080/19336918.2020.1829263] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Cell-extracellular matrix interactions, or focal adhesions (FA), are crucial for tissue homeostasis but are also implicated in cancer. Integrin-Linked Kinase (ILK) is an abundantly expressed FA protein involved in multiple signaling pathways. Here, we reviewed the current literature on the role of ILK in breast cancer (BC). Articles included in vitro and in vivo experiments as well as studies in human BC samples. ILK attenuation via silencing or pharmaceutical inhibition, leads to apoptosis or inhibition of epithelial-to-mesenchymal transition, and cell invasion whereas ILK overexpression suppresses anoikis and promotes tumor growth and metastasis. Finally, ILK is upregulated in BC tumors and its expression is associated with grade, and metastasis. Therefore, ILK should be evaluated as a potential anti-cancer pharmaceutical target.
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Affiliation(s)
- Katerina Tsirtsaki
- Department of Life Sciences, School of Sciences, European University Cyprus , Nicosia, Cyprus
| | - Vasiliki Gkretsi
- Department of Life Sciences, School of Sciences, European University Cyprus , Nicosia, Cyprus
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37
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Hegewisch-Solloa E, Seo S, Mundy-Bosse BL, Mishra A, Waldman EH, Maurrasse S, Grunstein E, Connors TJ, Freud AG, Mace EM. Differential Integrin Adhesome Expression Defines Human NK Cell Residency and Developmental Stage. THE JOURNAL OF IMMUNOLOGY 2021; 207:950-965. [PMID: 34282002 DOI: 10.4049/jimmunol.2100162] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 06/03/2021] [Indexed: 11/19/2022]
Abstract
NK cells are innate immune cells that reside within tissue and circulate in peripheral blood. They interact with a variety of microenvironments, yet how NK cells engage with these varied microenvironments is not well documented. The adhesome represents a molecular network of defined and predicted integrin-mediated signaling interactions. In this study, we define the integrin adhesome expression profile of NK cells from human tonsil, peripheral blood, and those derived from human hematopoietic precursors through stromal cell coculture systems. We report that the site of cell isolation and NK cell developmental stage dictate differences in expression of adhesome associated genes and proteins. Furthermore, we define differences in cortical actin content associated with differential expression of actin regulating proteins, suggesting that differences in adhesome expression are associated with differences in cortical actin homeostasis. These data provide understanding of the diversity of human NK cell populations and how they engage with their microenvironment.
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Affiliation(s)
- Everardo Hegewisch-Solloa
- Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY
| | - Seungmae Seo
- Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY
| | - Bethany L Mundy-Bosse
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH.,Comprehensive Cancer Center, The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH
| | - Anjali Mishra
- Comprehensive Cancer Center, The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH.,Division of Dermatology, Department of Internal Medicine, The Ohio State University, Columbus, OH
| | - Erik H Waldman
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Medical Center, New York, NY
| | - Sarah Maurrasse
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Medical Center, New York, NY
| | - Eli Grunstein
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Medical Center, New York, NY
| | - Thomas J Connors
- Division of Pediatric Critical Care and Hospital Medicine, Department of Pediatrics, Columbia University Irving Medical Center, New York, NY; and
| | - Aharon G Freud
- Comprehensive Cancer Center, The James Cancer Hospital and Solove Research Institute, The Ohio State University, Columbus, OH.,Department of Pathology, The Ohio State University, Columbus, OH
| | - Emily M Mace
- Department of Pediatrics, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY;
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38
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Hebbar S, Knust E. Reactive oxygen species (ROS) constitute an additional player in regulating epithelial development. Bioessays 2021; 43:e2100096. [PMID: 34260754 DOI: 10.1002/bies.202100096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 06/09/2021] [Accepted: 06/09/2021] [Indexed: 12/18/2022]
Abstract
Reactive oxygen species (ROS) are highly reactive molecules produced in cells. So far, they have mostly been connected to diseases and pathological conditions. More recent results revealed a somewhat unexpected role of ROS in control of developmental processes. In this review, we elaborate on ROS in development, focussing on their connection to epithelial tissue morphogenesis. After briefly summarising unique characteristics of epithelial cells, we present some characteristic features of ROS species, their production and targets, with a focus on proteins important for epithelial development and function. Finally, we provide examples of regulation of epithelial morphogenesis by ROS, and also of developmental genes that regulate the overall redox status. We conclude by discussing future avenues of research that will further elucidate ROS regulation in epithelial development.
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Affiliation(s)
- Sarita Hebbar
- Max-Planck-Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Elisabeth Knust
- Max-Planck-Institute of Molecular Cell Biology and Genetics, Dresden, Germany
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39
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Choudhury R, Bayatti N, Scharff R, Szula E, Tilakaratna V, Udsen MS, McHarg S, Askari JA, Humphries MJ, Bishop PN, Clark SJ. FHL-1 interacts with human RPE cells through the α5β1 integrin and confers protection against oxidative stress. Sci Rep 2021; 11:14175. [PMID: 34239032 PMCID: PMC8266909 DOI: 10.1038/s41598-021-93708-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 06/16/2021] [Indexed: 12/16/2022] Open
Abstract
Retinal pigment epithelial (RPE) cells that underlie the neurosensory retina are essential for the maintenance of photoreceptor cells and hence vision. Interactions between the RPE and their basement membrane, i.e. the inner layer of Bruch's membrane, are essential for RPE cell health and function, but the signals induced by Bruch's membrane engagement, and their contributions to RPE cell fate determination remain poorly defined. Here, we studied the functional role of the soluble complement regulator and component of Bruch's membrane, Factor H-like protein 1 (FHL-1). Human primary RPE cells adhered to FHL-1 in a manner that was eliminated by either mutagenesis of the integrin-binding RGD motif in FHL-1 or by using competing antibodies directed against the α5 and β1 integrin subunits. These short-term experiments reveal an immediate protein-integrin interaction that were obtained from primary RPE cells and replicated using the hTERT-RPE1 cell line. Separate, longer term experiments utilising RNAseq analysis of hTERT-RPE1 cells bound to FHL-1, showed an increased expression of the heat-shock protein genes HSPA6, CRYAB, HSPA1A and HSPA1B when compared to cells bound to fibronectin (FN) or laminin (LA). Pathway analysis implicated changes in EIF2 signalling, the unfolded protein response, and mineralocorticoid receptor signalling as putative pathways. Subsequent cell survival assays using H2O2 to induce oxidative stress-induced cell death suggest hTERT-RPE1 cells had significantly greater protection when bound to FHL-1 or LA compared to plastic or FN. These data show a non-canonical role of FHL-1 in protecting RPE cells against oxidative stress and identifies a novel interaction that has implications for ocular diseases such as age-related macular degeneration.
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Affiliation(s)
- Rawshan Choudhury
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK
| | - Nadhim Bayatti
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK
| | - Richard Scharff
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK
| | - Ewa Szula
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK
| | - Viranga Tilakaratna
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK
| | - Maja Søberg Udsen
- Panum Institute, Department of Immunology and Microbiology, University of Copenhagen, Copenhagen, Denmark
| | - Selina McHarg
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK
| | - Janet A Askari
- Wellcome Centre for Cell-Matrix Research, Division of Cell Matrix Biology & Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford, UK
| | - Martin J Humphries
- Wellcome Centre for Cell-Matrix Research, Division of Cell Matrix Biology & Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Sciences Centre, University of Manchester, Oxford, UK
| | - Paul N Bishop
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK
- Manchester Royal Eye Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Sciences Centre, Manchester, UK
| | - Simon J Clark
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK.
- Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, University of Manchester, Oxford, UK.
- Institute for Ophthalmic Research, Eberhard Karls University of Tübingen, Elfriede-Aulhorn-Straße 7, 72076, Tübingen, Germany.
- University Eye Clinic, Department for Ophthalmology, University of Tübingen, Tübingen, Germany.
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40
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Zhu D, Fang H, Kusuma GD, Schwab R, Barabadi M, Chan ST, McDonald H, Leong CM, Wallace EM, Greening DW, Lim R. Impact of chemically defined culture media formulations on extracellular vesicle production by amniotic epithelial cells. Proteomics 2021; 21:e2000080. [PMID: 34081834 DOI: 10.1002/pmic.202000080] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 02/06/2023]
Abstract
The therapeutic properties of cell derived extracellular vesicles (EVs) make them promising cell-free alternative to regenerative medicine. However, clinical translation of this technology relies on the ability to manufacture EVs in a scalable, reproducible, and cGMP-compliant manner. To generate EVs in sufficient quantity, a critical step is the selection and development of culture media, where differences in formulation may influence the EV manufacturing process. In this study, we used human amniotic epithelial cells (hAECs) as a model system to explore the effect of different formulations of chemically defined, commercially sourced media on EV production. Here, we determined that cell viability and proliferation rate are not reliable quality indicators for EV manufacturing. The levels of tetraspanins and epitope makers of EVs were significantly impacted by culture media formulations. Mass spectrometry-based proteomic profiling revealed proteome composition of hAEC-EVs and the influence of media formulations on composition of EV proteome. This study has revealed critical aspects including cell viability and proliferation rate, EV yield, and tetraspanins, surface epitopes and proteome composition of EVs influenced by media formulations, and further insight into standardised EV production culture media that should be considered in clinical-grade scalable EV manufacture for generation of therapeutic EVs.
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Affiliation(s)
- Dandan Zhu
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Haoyun Fang
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Gina D Kusuma
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Renate Schwab
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Mehri Barabadi
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Siow Teng Chan
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Hannah McDonald
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - Cheng Mee Leong
- Thermo Fisher Scientific Australia Pty Ltd, Scoresby, Victoria, Australia
| | - Euan M Wallace
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
| | - David W Greening
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia.,Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, Victoria, Australia.,Central Clinical School, Monash University, Clayton, Victoria, Australia.,Baker Department of Cardiometabolic Health, University of Melbourne, Melbourne, Victoria, Australia
| | - Rebecca Lim
- The Ritchie Centre, Hudson Institute of Medical Research, Clayton, Victoria, Australia.,Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia
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41
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Marhuenda E, Fabre C, Zhang C, Martin-Fernandez M, Iskratsch T, Saleh A, Bauchet L, Cambedouzou J, Hugnot JP, Duffau H, Dennis JW, Cornu D, Bakalara N. Glioma stem cells invasive phenotype at optimal stiffness is driven by MGAT5 dependent mechanosensing. J Exp Clin Cancer Res 2021; 40:139. [PMID: 33894774 PMCID: PMC8067292 DOI: 10.1186/s13046-021-01925-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/23/2021] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Glioblastomas stem-like cells (GSCs) by invading the brain parenchyma, remains after resection and radiotherapy and the tumoral microenvironment become stiffer. GSC invasion is reported as stiffness sensitive and associated with altered N-glycosylation pattern. Glycocalyx thickness modulates integrins mechanosensing, but details remain elusive and glycosylation enzymes involved are unknown. Here, we studied the association between matrix stiffness modulation, GSC migration and MGAT5 induced N-glycosylation in fibrillar 3D context. METHOD To mimic the extracellular matrix fibrillar microenvironments, we designed 3D-ex-polyacrylonitrile nanofibers scaffolds (NFS) with adjustable stiffnesses by loading multiwall carbon nanotubes (MWCNT). GSCs neurosphere were plated on NFSs, allowing GSCs migration and MGAT5 was deleted using CRISPR-Cas9. RESULTS We found that migration of GSCs was maximum at 166 kPa. Migration rate was correlated with cell shape, expression and maturation of focal adhesion (FA), Epithelial to Mesenchymal Transition (EMT) proteins and (β1,6) branched N-glycan binding, galectin-3. Mutation of MGAT5 in GSC inhibited N-glycans (β1-6) branching, suppressed the stiffness dependence of migration on 166 kPa NFS as well as the associated FA and EMT protein expression. CONCLUSION MGAT5 catalysing multibranched N-glycans is a critical regulators of stiffness induced invasion and GSCs mechanotransduction, underpinning MGAT5 as a serious target to treat cancer.
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Affiliation(s)
- Emilie Marhuenda
- Institut des Neurosciences de Montpellier (INM) U-1051, University of Montpellier, 80 rue Augustin Fliche, Hôpital Saint-Eloi, 34091, Montpellier, Cedex 5, France.
- School of Engineering and Materials Science, Queen Mary University of London, London, E1 4NS, UK.
- Institut Européen des Membranes, IEM, UMR 5635, University of Montpellier, ENSCM, CNRS, Montpellier, France.
| | - Christine Fabre
- Institut des Neurosciences de Montpellier (INM) U-1051, University of Montpellier, 80 rue Augustin Fliche, Hôpital Saint-Eloi, 34091, Montpellier, Cedex 5, France
- École nationale supérieure de chimie de Montpellier, ENSCM, 240 Avenue du Professeur Emile Jeanbrau, 34090, Montpellier, France
| | - Cunjie Zhang
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, 600 University Ave., Toronto, ON, M5G 1X5, Canada
- Department of Molecular Genetics, and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Martà Martin-Fernandez
- Institut Charles Coulomb, UMR 5221, University of Montpellier, CNRS, Montpellier, France
| | - Thomas Iskratsch
- School of Engineering and Materials Science, Queen Mary University of London, London, E1 4NS, UK
| | - Ali Saleh
- Institut des Neurosciences de Montpellier (INM) U-1051, University of Montpellier, 80 rue Augustin Fliche, Hôpital Saint-Eloi, 34091, Montpellier, Cedex 5, France
| | - Luc Bauchet
- Institut des Neurosciences de Montpellier (INM) U-1051, University of Montpellier, 80 rue Augustin Fliche, Hôpital Saint-Eloi, 34091, Montpellier, Cedex 5, France
| | - Julien Cambedouzou
- Institut Européen des Membranes, IEM, UMR 5635, University of Montpellier, ENSCM, CNRS, Montpellier, France
- École nationale supérieure de chimie de Montpellier, ENSCM, 240 Avenue du Professeur Emile Jeanbrau, 34090, Montpellier, France
| | - Jean-Philippe Hugnot
- Institut des Neurosciences de Montpellier (INM) U-1051, University of Montpellier, 80 rue Augustin Fliche, Hôpital Saint-Eloi, 34091, Montpellier, Cedex 5, France
| | - Hugues Duffau
- Institut des Neurosciences de Montpellier (INM) U-1051, University of Montpellier, 80 rue Augustin Fliche, Hôpital Saint-Eloi, 34091, Montpellier, Cedex 5, France
| | - James W Dennis
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, 600 University Ave., Toronto, ON, M5G 1X5, Canada
- Department of Molecular Genetics, and Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - David Cornu
- Institut Européen des Membranes, IEM, UMR 5635, University of Montpellier, ENSCM, CNRS, Montpellier, France.
- École nationale supérieure de chimie de Montpellier, ENSCM, 240 Avenue du Professeur Emile Jeanbrau, 34090, Montpellier, France.
| | - Norbert Bakalara
- Institut des Neurosciences de Montpellier (INM) U-1051, University of Montpellier, 80 rue Augustin Fliche, Hôpital Saint-Eloi, 34091, Montpellier, Cedex 5, France.
- École nationale supérieure de chimie de Montpellier, ENSCM, 240 Avenue du Professeur Emile Jeanbrau, 34090, Montpellier, France.
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Wabnitz GH, Honus S, Habicht J, Orlik C, Kirchgessner H, Samstag Y. LFA-1 cluster formation in T-cells depends on L-plastin phosphorylation regulated by P90 RSK and PP2A. Cell Mol Life Sci 2021; 78:3543-3564. [PMID: 33449151 PMCID: PMC11072591 DOI: 10.1007/s00018-020-03744-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 11/21/2020] [Accepted: 12/15/2020] [Indexed: 10/25/2022]
Abstract
The integrin LFA-1 is crucial for T-cell/ APC interactions and sensitive recognition of antigens. Precise nanoscale organization and valency regulation of LFA-1 are mandatory for an appropriate function of the immune system. While the inside-out signals regulating the LFA-1 affinity are well described, the molecular mechanisms controlling LFA-1 avidity are still not fully understood. Here, we show that activation of the actin-bundling protein L-plastin (LPL) through phosphorylation at serine-5 enables the formation of clusters containing LFA-1 in high-affinity conformation. Phosphorylation of LPL is induced by an nPKC-MEK-p90RSK pathway and counter-regulated by the serine-threonine phosphatase PP2A. Interestingly, recruitment of LFA-1 into the T-cell/APC contact zone is not affected by LPL phosphorylation. Instead, for this process, activation of the actin-remodeling protein cofilin through dephosphorylation is essential. Together, this study reveals a dichotomic spatial regulation of LFA-1 clustering and microscale movement in T-cells by two different actin-binding proteins, LPL and cofilin.
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Affiliation(s)
- Guido H Wabnitz
- Institute of Immunology, Section Molecular Immunology, Heidelberg University, Im Neuenheimer Feld 305, 69120, Heidelberg, Germany.
| | - Sibylle Honus
- Institute of Immunology, Section Molecular Immunology, Heidelberg University, Im Neuenheimer Feld 305, 69120, Heidelberg, Germany
| | - Jüri Habicht
- Institute of Immunology, Section Molecular Immunology, Heidelberg University, Im Neuenheimer Feld 305, 69120, Heidelberg, Germany
| | - Christian Orlik
- Institute of Immunology, Section Molecular Immunology, Heidelberg University, Im Neuenheimer Feld 305, 69120, Heidelberg, Germany
| | - Henning Kirchgessner
- Institute of Immunology, Section Molecular Immunology, Heidelberg University, Im Neuenheimer Feld 305, 69120, Heidelberg, Germany
| | - Yvonne Samstag
- Institute of Immunology, Section Molecular Immunology, Heidelberg University, Im Neuenheimer Feld 305, 69120, Heidelberg, Germany
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Cancer type-specific alterations in actin genes: Worth a closer look? INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021; 360:133-184. [PMID: 33962749 DOI: 10.1016/bs.ircmb.2021.02.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Actins form a strongly conserved family of proteins that are central to the functioning of the actin cytoskeleton partaking in natural processes such as cell division, adhesion, contraction and migration. These processes, however, also occur during the various phases of cancer progression. Yet, surprisingly, alterations in the six human actin genes in cancer studies have received little attention and the focus was mostly on deregulated expression levels of actins and even more so of actin-binding or regulatory proteins. Starting from the early mutation work in the 1980s, we propose based on reviewing literature and data from patient cancer genomes that alterations in actin genes are different in distinct cancer subtypes, suggesting some specificity. These actin gene alterations include (missense) mutations, gene fusions and copy number alterations (deletions and amplifications) and we illustrate their occurrence for a limited number of examples including actin mutations in lymphoid cancers and nonmelanoma skin cancer and actin gene copy number alterations for breast, prostate and liver cancers. A challenge in the future will be to further sort out the specificity per actin gene, alteration type and cancer subtype. Even more challenging is (experimentally) distinguishing between cause and consequence: which alterations are passengers and which are involved in tumor progression of particular cancer subtypes?
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Sharifi M, Bai Q, Babadaei MMN, Chowdhury F, Hassan M, Taghizadeh A, Derakhshankhah H, Khan S, Hasan A, Falahati M. 3D bioprinting of engineered breast cancer constructs for personalized and targeted cancer therapy. J Control Release 2021; 333:91-106. [PMID: 33774120 DOI: 10.1016/j.jconrel.2021.03.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 03/21/2021] [Accepted: 03/22/2021] [Indexed: 12/12/2022]
Abstract
The bioprinting technique with specialized tissue production allows the study of biological, physiological, and behavioral changes of cancerous and non-cancerous tissues in response to pharmacological compounds in personalized medicine. To this end, to evaluate the efficacy of anticancer drugs before entering the clinical setting, tissue engineered 3D scaffolds containing breast cancer and derived from the especially patient, similar to the original tissue architecture, can potentially be used. Despite recent advances in the manufacturing of 3D bioprinted breast cancer tissue (BCT), many studies still suffer from reproducibility primarily because of the uncertainty of the materials used in the scaffolds and lack of printing methods. In this review, we present an overview of the breast cancer environment to optimize personalized treatment by examining and identifying the physiological and biological factors that mimic BCT. We also surveyed the materials and techniques related to 3D bioprinting, i.e, 3D bioprinting systems, current strategies for fabrication of 3D bioprinting tissues, cell adhesion and migration in 3D bioprinted BCT, and 3D bioprinted breast cancer metastasis models. Finally, we emphasized on the prospective future applications of 3D bioprinted cancer models for rapid and accurate drug screening in breast cancer.
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Affiliation(s)
- Majid Sharifi
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Department of Tissue Engineering, School of Medicine, Shahroud University of Medical Science, Shahroud, Iran; Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Qian Bai
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mohammad Mahdi Nejadi Babadaei
- Department of Molecular Genetics, Faculty of Biological Science, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Farhan Chowdhury
- Department of Mechanical Engineering and Energy Processes, Southern Illinois University Carbondale, Carbondale, IL 62901, USA
| | - Mahbub Hassan
- The University of Sydney, School of Chemical and Biomolecular Engineering, NSW 2006, Australia
| | - Akbar Taghizadeh
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Hossein Derakhshankhah
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6714415153, Iran
| | - Suliman Khan
- Department of Anesthesiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, Doha 2713, Qatar; Biomedical Research Center, Qatar University, Doha 2713, Qatar.
| | - Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
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Molè MA, Weberling A, Fässler R, Campbell A, Fishel S, Zernicka-Goetz M. Integrin β1 coordinates survival and morphogenesis of the embryonic lineage upon implantation and pluripotency transition. Cell Rep 2021; 34:108834. [PMID: 33691117 PMCID: PMC7966855 DOI: 10.1016/j.celrep.2021.108834] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 11/30/2020] [Accepted: 02/17/2021] [Indexed: 12/13/2022] Open
Abstract
At implantation, the embryo establishes contacts with the maternal endometrium. This stage is associated with a high incidence of preclinical pregnancy losses. While the maternal factors underlying uterine receptivity have been investigated, the signals required by the embryo for successful peri-implantation development remain elusive. To explore these, we studied integrin β1 signaling, as embryos deficient for this receptor degenerate at implantation. We demonstrate that the coordinated action of pro-survival signals and localized actomyosin suppression via integrin β1 permits the development of the embryo beyond implantation. Failure of either process leads to developmental arrest and apoptosis. Pharmacological stimulation through fibroblast growth factor 2 (FGF2) and insulin-like growth factor 1 (IGF1), coupled with ROCK-mediated actomyosin inhibition, rescues the deficiency of integrin β1, promoting progression to post-implantation stages. Mutual exclusion between integrin β1 and actomyosin seems to be conserved in the human embryo, suggesting the possibility that these mechanisms could also underlie the transition of the human epiblast from pre- to post-implantation.
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Affiliation(s)
- Matteo Amitaba Molè
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development, and Neuroscience, University of Cambridge, Downing Street, Cambridge CB2 3EG, UK
| | - Antonia Weberling
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development, and Neuroscience, University of Cambridge, Downing Street, Cambridge CB2 3EG, UK
| | - Reinhard Fässler
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Am Klopferspitz 18, 82152 Martinsried, Germany
| | - Alison Campbell
- CARE Fertility Group, John Webster House, 6 Lawrence Drive, Nottingham Business Park, Nottingham NG8 6PZ, UK
| | - Simon Fishel
- CARE Fertility Group, John Webster House, 6 Lawrence Drive, Nottingham Business Park, Nottingham NG8 6PZ, UK; School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK
| | - Magdalena Zernicka-Goetz
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development, and Neuroscience, University of Cambridge, Downing Street, Cambridge CB2 3EG, UK; Plasticity and Self-Organization Group, Division of Biology and Biological Engineering, California Institute of Technology (Caltech), Pasadena, CA 91125, USA.
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Arumugam A, Subramani R, Lakshmanaswamy R. Involvement of actin cytoskeletal modifications in the inhibition of triple-negative breast cancer growth and metastasis by nimbolide. MOLECULAR THERAPY-ONCOLYTICS 2021; 20:596-606. [PMID: 33768141 PMCID: PMC7972938 DOI: 10.1016/j.omto.2021.02.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 02/18/2021] [Indexed: 01/04/2023]
Abstract
Triple-negative breast cancers (TNBCs) are aggressive cancers, which currently do not have effective treatment options. Migration and establishment of metastatic colonies require dynamic cytoskeletal modifications characterized by polymerization and depolymerization of actin. Studies have demonstrated a direct molecular link between the integrin-focal adhesion kinase (FAK) pathway and cytoskeletal modifications. Nimbolide, a major bioactive compound present in neem leaves, shows promising anti-cancer effect on various cancers. In this study, we have demonstrated the growth and metastasis inhibitory potential of nimbolide on TNBC cells. Nimbolide inhibited cell proliferation, migratory, and invasive abilities of TNBC cells and also changed the shape of MDA-MB-231 cells, which is correlated with cytoskeletal changes including actin depolymerization. Furthermore, analysis revealed that integrins αV and β3, ILK, FAK, and PAK levels were downregulated by nimbolide. Even in cells where Rac1/Cdc42 was constitutively activated, nimbolide inhibited the formation of filopodial structures. Immunofluorescence analysis of phosphorylated p21 activated kinase (pPAK) showed reduced expression in nimbolide-treated cells. Nimbolide significantly reduced the metastatic colony formation in lung, liver, and brain of athymic nude mice. In conclusion, our data demonstrate that nimbolide inhibits TNBC by altering the integrin and FAK signaling pathway.
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Affiliation(s)
- Arunkumar Arumugam
- Center of Emphasis in Cancer Research, Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
| | - Ramadevi Subramani
- Center of Emphasis in Cancer Research, Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA.,Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
| | - Rajkumar Lakshmanaswamy
- Center of Emphasis in Cancer Research, Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA.,Graduate School of Biomedical Sciences, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA
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Malek N, Michrowska A, Mazurkiewicz E, Mrówczyńska E, Mackiewicz P, Mazur AJ. The origin of the expressed retrotransposed gene ACTBL2 and its influence on human melanoma cells' motility and focal adhesion formation. Sci Rep 2021; 11:3329. [PMID: 33558623 PMCID: PMC7870945 DOI: 10.1038/s41598-021-82074-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/08/2021] [Indexed: 01/30/2023] Open
Abstract
We have recently found that β-actin-like protein 2 (actbl2) forms complexes with gelsolin in human melanoma cells and can polymerize. Phylogenetic and bioinformatic analyses showed that actbl2 has a common origin with two non-muscle actins, which share a separate history from the muscle actins. The actin groups' divergence started at the beginning of vertebrate evolution, and actbl2 actins are characterized by the largest number of non-conserved amino acid substitutions of all actins. We also discovered that ACTBL2 is expressed at a very low level in several melanoma cell lines, but a small subset of cells exhibited a high ACTBL2 expression. We found that clones with knocked-out ACTBL2 (CR-ACTBL2) or overexpressing actbl2 (OE-ACTBL2) differ from control cells in the invasion, focal adhesion formation, and actin polymerization ratio, as well as in the formation of lamellipodia and stress fibers. Thus, we postulate that actbl2 is the seventh actin isoform and is essential for cell motility.
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Affiliation(s)
- Natalia Malek
- Department of Cell Pathology, Faculty of Biotechnology, University of Wroclaw, ul. Joliot-Curie 14a, 50-383, Wroclaw, Poland
| | - Aleksandra Michrowska
- Department of Cell Pathology, Faculty of Biotechnology, University of Wroclaw, ul. Joliot-Curie 14a, 50-383, Wroclaw, Poland
| | - Ewa Mazurkiewicz
- Department of Cell Pathology, Faculty of Biotechnology, University of Wroclaw, ul. Joliot-Curie 14a, 50-383, Wroclaw, Poland
| | - Ewa Mrówczyńska
- Department of Cell Pathology, Faculty of Biotechnology, University of Wroclaw, ul. Joliot-Curie 14a, 50-383, Wroclaw, Poland
| | - Paweł Mackiewicz
- Department of Bioinformatics and Genomics, Faculty of Biotechnology, University of Wroclaw, ul. Joliot-Curie 14a, Wroclaw, 50-383, Poland
| | - Antonina J Mazur
- Department of Cell Pathology, Faculty of Biotechnology, University of Wroclaw, ul. Joliot-Curie 14a, 50-383, Wroclaw, Poland.
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Nikolopoulou PA, Koufaki MA, Kostourou V. The Adhesome Network: Key Components Shaping the Tumour Stroma. Cancers (Basel) 2021; 13:525. [PMID: 33573141 PMCID: PMC7866493 DOI: 10.3390/cancers13030525] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/22/2021] [Accepted: 01/25/2021] [Indexed: 02/07/2023] Open
Abstract
Beyond the conventional perception of solid tumours as mere masses of cancer cells, advanced cancer research focuses on the complex contributions of tumour-associated host cells that are known as "tumour microenvironment" (TME). It has been long appreciated that the tumour stroma, composed mainly of blood vessels, cancer-associated fibroblasts and immune cells, together with the extracellular matrix (ECM), define the tumour architecture and influence cancer cell properties. Besides soluble cues, that mediate the crosstalk between tumour and stroma cells, cell adhesion to ECM arises as a crucial determinant in cancer progression. In this review, we discuss how adhesome, the intracellular protein network formed at cell adhesions, regulate the TME and control malignancy. The role of adhesome extends beyond the physical attachment of cells to ECM and the regulation of cytoskeletal remodelling and acts as a signalling and mechanosensing hub, orchestrating cellular responses that shape the tumour milieu.
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Affiliation(s)
| | | | - Vassiliki Kostourou
- Biomedical Sciences Research Centre “Alexander Fleming”, Institute of Bioinnovation, 34 Fleming Str., 16672 Vari-Athens, Greece; (P.A.N.); (M.A.K.)
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Cohesive cancer invasion of the biophysical barrier of smooth muscle. Cancer Metastasis Rev 2021; 40:205-219. [PMID: 33398621 DOI: 10.1007/s10555-020-09950-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 12/15/2020] [Indexed: 01/22/2023]
Abstract
Smooth muscle is found around organs in the digestive, respiratory, and reproductive tracts. Cancers arising in the bladder, prostate, stomach, colon, and other sites progress from low-risk disease to high-risk, lethal metastatic disease characterized by tumor invasion into, within, and through the biophysical barrier of smooth muscle. We consider here the unique biophysical properties of smooth muscle and how cohesive clusters of tumor use mechanosensing cell-cell and cell-ECM (extracellular matrix) adhesion receptors to move through a structured muscle and withstand the biophysical forces to reach distant sites. Understanding integrated mechanosensing features within tumor cluster and smooth muscle and potential triggers within adjacent adipose tissue, such as the unique damage-associated molecular pattern protein (DAMP), eNAMPT (extracellular nicotinamide phosphoribosyltransferase), or visfatin, offers an opportunity to prevent the first steps of invasion and metastasis through the structured muscle.
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Abstract
The extracellular matrix (ECM) is the noncellular compartment of living organisms and is formed of a complex network of cross-linked proteins, which is collectively known as the matrisome. Apart from providing the structure for an organism, cells interact and thereby communicate with the ECM. Cells interact with their surrounding ECM using cell-surface receptors, such as integrins. Upon integrin engagement with the ECM, cytoskeletal proteins are recruited to integrins and form a molecular protein complex known as the integrin adhesome. Global descriptions of the matrisome and integrin adhesome have been proposed using in silico bioinformatics approaches, as well as through biochemical enrichment of matrisome and adhesome fractions coupled with mass spectrometry-based proteomic analyses, providing inventories of their compositions in different contexts. Here, methods are described for the computational downstream analyses of matrisome and adhesome mass spectrometry datasets that are accessible to wet lab biologists, which include comparing datasets to in silico descriptions, generating interaction networks and performing functional ontological analyses.
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