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Sharafutdinov I, Harrer A, Müsken M, Rottner K, Sticht H, Täger C, Naumann M, Tegtmeyer N, Backert S. Cortactin-dependent control of Par1b-regulated epithelial cell polarity in Helicobacter infection. Cell Insight 2024; 3:100161. [PMID: 38646547 PMCID: PMC11033139 DOI: 10.1016/j.cellin.2024.100161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/01/2024] [Accepted: 03/02/2024] [Indexed: 04/23/2024]
Abstract
Cell polarity is crucial for gastric mucosal barrier integrity and mainly regulated by polarity-regulating kinase partitioning-defective 1b (Par1b). During infection, the carcinogen Helicobacter pylori hijacks Par1b via the bacterial oncoprotein CagA leading to loss of cell polarity, but the precise molecular mechanism is not fully clear. Here we discovered a novel function of the actin-binding protein cortactin in regulating Par1b, which forms a complex with cortactin and the tight junction protein zona occludens-1 (ZO-1). We found that serine phosphorylation at S405/418 and the SH3 domain of cortactin are important for its interaction with both Par1b and ZO-1. Cortactin knockout cells displayed disturbed Par1b cellular localization and exhibited morphological abnormalities that largely compromised transepithelial electrical resistance, epithelial cell polarity, and apical microvilli. H. pylori infection promoted cortactin/Par1b/ZO-1 abnormal interactions in the tight junctions in a CagA-dependent manner. Infection of human gastric organoid-derived mucosoids supported these observations. We therefore hypothesize that CagA disrupts gastric epithelial cell polarity by hijacking cortactin, and thus Par1b and ZO-1, suggesting a new signaling pathway for the development of gastric cancer by Helicobacter.
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Affiliation(s)
- Irshad Sharafutdinov
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058, Erlangen, Germany
| | - Aileen Harrer
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058, Erlangen, Germany
| | - Mathias Müsken
- Central Facility for Microscopy, Helmholtz Centre for Infection Research, D-38124, Braunschweig, Germany
| | - Klemens Rottner
- Department of Cell Biology, Helmholtz Centre for Infection Research, D-38124, Braunschweig, Germany
- Division of Molecular Cell Biology, Zoological Institute, Technische Universität Braunschweig, D-38106, Braunschweig, Germany
| | - Heinrich Sticht
- Division of Bioinformatics, Institute of Biochemistry, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91054, Erlangen, Germany
| | - Christian Täger
- Otto von Guericke University, Institute of Experimental Internal Medicine, Medical Faculty, D-39120, Magdeburg, Germany
| | - Michael Naumann
- Otto von Guericke University, Institute of Experimental Internal Medicine, Medical Faculty, D-39120, Magdeburg, Germany
| | - Nicole Tegtmeyer
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058, Erlangen, Germany
| | - Steffen Backert
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058, Erlangen, Germany
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Meng S, Sørensen EE, Ponniah M, Thorlacius-Ussing J, Crouigneau R, Larsen T, Borre MT, Willumsen N, Flinck M, Pedersen SF. MCT4 and CD147 colocalize with MMP14 in invadopodia and support matrix degradation and invasion by breast cancer cells. J Cell Sci 2024; 137:jcs261608. [PMID: 38661040 DOI: 10.1242/jcs.261608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 03/23/2024] [Indexed: 04/26/2024] Open
Abstract
Expression levels of the lactate-H+ cotransporter MCT4 (also known as SLC16A3) and its chaperone CD147 (also known as basigin) are upregulated in breast cancers, correlating with decreased patient survival. Here, we test the hypothesis that MCT4 and CD147 favor breast cancer invasion through interdependent effects on extracellular matrix (ECM) degradation. MCT4 and CD147 expression and membrane localization were found to be strongly reciprocally interdependent in MDA-MB-231 breast cancer cells. Overexpression of MCT4 and/or CD147 increased, and their knockdown decreased, migration, invasion and the degradation of fluorescently labeled gelatin. Overexpression of both proteins led to increases in gelatin degradation and appearance of the matrix metalloproteinase (MMP)-generated collagen-I cleavage product reC1M, and these increases were greater than those observed upon overexpression of each protein alone, suggesting a concerted role in ECM degradation. MCT4 and CD147 colocalized with invadopodia markers at the plasma membrane. They also colocalized with MMP14 and the lysosomal marker LAMP1, as well as partially with the autophagosome marker LC3, in F-actin-decorated intracellular vesicles. We conclude that MCT4 and CD147 reciprocally regulate each other and interdependently support migration and invasiveness of MDA-MB-231 breast cancer cells. Mechanistically, this involves MCT4-CD147-dependent stimulation of ECM degradation and specifically of MMP-mediated collagen-I degradation. We suggest that the MCT4-CD147 complex is co-delivered to invadopodia with MMP14.
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Affiliation(s)
- Signe Meng
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Ester E Sørensen
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Muthulakshmi Ponniah
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
| | | | - Roxane Crouigneau
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Tanja Larsen
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Magnus T Borre
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
| | | | - Mette Flinck
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Stine F Pedersen
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark
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McGuirk ER, Koundinya N, Nagarajan P, Padrick SB, Goode BL. Direct observation of cortactin protecting Arp2/3-actin filament branch junctions from GMF-mediated destabilization. Eur J Cell Biol 2024; 103:151378. [PMID: 38071835 PMCID: PMC10843626 DOI: 10.1016/j.ejcb.2023.151378] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 12/02/2023] [Accepted: 12/02/2023] [Indexed: 01/28/2024] Open
Abstract
How cells tightly control the formation and turnover of branched actin filament arrays to drive cell motility, endocytosis, and other cellular processes is still not well understood. Here, we investigated the mechanistic relationship between two binding partners of the Arp2/3 complex, glia maturation factor (GMF) and cortactin. Individually, GMF and cortactin have opposite effects on the stability of actin filament branches, but it is unknown how they work in concert with each other to govern branch turnover. Using TIRF microscopy, we observe that GMF's branch destabilizing activities are potently blocked by cortactin (IC50 = 1.3 nM) and that this inhibition requires direct interactions of cortactin with Arp2/3 complex. The simplest model that would explain these results is competition for binding Arp2/3 complex. However, we find that cortactin and GMF do not compete for free Arp2/3 complex in solution. Further, we use single molecule analysis to show that cortactin's on-rate (3 ×107 s-1 M-1) and off-rate (0.03 s-1) at branch junctions are minimally affected by excess GMF. Together, these results show that cortactin binds with high affinity to branch junctions, where it blocks the destabilizing effects of GMF, possibly by a mechanism that is allosteric in nature. In addition, the affinities we measure for cortactin at actin filament branch junctions (Kd = 0.9 nM) and filament sides (Kd = 206 nM) are approximately 20-fold stronger than previously reported. These observations contribute to an emerging view of molecular complexity in how Arp2/3 complex is regulated through the integration of multiple inputs.
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Affiliation(s)
- Emma R McGuirk
- Department of Biology, Rosenstiel Basic Medical Science Research Center, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Neha Koundinya
- Department of Biology, Rosenstiel Basic Medical Science Research Center, Brandeis University, 415 South Street, Waltham, MA 02454, USA
| | - Priyashree Nagarajan
- Department of Biochemistry and Molecular Biology, Drexel University, Philadelphia, PA 19104, USA
| | - Shae B Padrick
- Department of Biochemistry and Molecular Biology, Drexel University, Philadelphia, PA 19104, USA
| | - Bruce L Goode
- Department of Biology, Rosenstiel Basic Medical Science Research Center, Brandeis University, 415 South Street, Waltham, MA 02454, USA.
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Borini Etichetti C, Arel Zalazar E, Di Benedetto C, Cocordano N, Valente S, Bicciato S, Menacho-Márquez M, Larocca MC, Girardini J. Isoprenylcysteine carboxyl methyltransferase (ICMT) promotes invadopodia formation and metastasis in cancer cells. Biochimie 2024; 222:28-36. [PMID: 38301884 DOI: 10.1016/j.biochi.2024.01.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 01/16/2024] [Accepted: 01/29/2024] [Indexed: 02/03/2024]
Abstract
Isoprenyl cysteine carboxyl methyltransferase (ICMT) catalyzes the last step of the prenylation pathway. Previously, we found that high ICMT levels enhance tumorigenesis in vivo and that its expression is repressed by the p53 tumor suppressor. Based on evidence suggesting that some ICMT substrates affect invasive traits, we wondered if this enzyme may promote metastasis. In this work, we found that ICMT overexpression enhanced lung metastasis in vivo. Accordingly, ICMT overexpression also promoted cellular functions associated with aggressive phenotypes such as migration and invasion in vitro. Considering that some ICMT substrates are involved in the regulation of actin cytoskeleton, we hypothesized that actin-rich structures, associated with invasion and metastasis, may be affected. Our findings revealed that ICMT enhanced the formation of invadopodia. Additionally, by analyzing cancer patient databases, we found that ICMT is overexpressed in several tumor types. Furthermore, the concurrent expression of ICMT and CTTN, which encodes a crucial component of invadopodia, showed a significant correlation with clinical outcome. In summary, our work identifies ICMT overexpression as a relevant alteration in human cancer that promotes the development of metastatic tumors.
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Affiliation(s)
- Carla Borini Etichetti
- Instituto de Fisiología Experimental de Rosario, IFISE, CONICET-UNR, Suipacha 590, Rosario, 2000, Argentina.
| | - Evelyn Arel Zalazar
- Instituto de Inmunología Clínica y Experimental de Rosario, IDICER, CONICET-UNR, Suipacha 590, Rosario, 2000, Argentina.
| | - Carolina Di Benedetto
- Department of Radiation Oncology, University of California, San Francisco, 505 Parnassus Ave, CA, 94143, United States.
| | - Nabila Cocordano
- Instituto de Inmunología Clínica y Experimental de Rosario, IDICER, CONICET-UNR, Suipacha 590, Rosario, 2000, Argentina.
| | - Sabrina Valente
- Instituto de Inmunología Clínica y Experimental de Rosario, IDICER, CONICET-UNR, Suipacha 590, Rosario, 2000, Argentina.
| | - Silvio Bicciato
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, via Giuseppe Campi, 287 41125, Italy.
| | - Mauricio Menacho-Márquez
- Instituto de Inmunología Clínica y Experimental de Rosario, IDICER, CONICET-UNR, Suipacha 590, Rosario, 2000, Argentina.
| | - María Cecilia Larocca
- Instituto de Fisiología Experimental de Rosario, IFISE, CONICET-UNR, Suipacha 590, Rosario, 2000, Argentina.
| | - Javier Girardini
- Instituto de Inmunología Clínica y Experimental de Rosario, IDICER, CONICET-UNR, Suipacha 590, Rosario, 2000, Argentina.
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Maja M, Verfaillie M, Van Der Smissen P, Henriet P, Pierreux CE, Sounni NE, Tyteca D. Targeting cholesterol impairs cell invasion of all breast cancer types. Cancer Cell Int 2024; 24:27. [PMID: 38200575 PMCID: PMC10782689 DOI: 10.1186/s12935-023-03206-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND Breast cancer clinical outcome relies on its intrinsic molecular subtype and mortality is almost exclusively due to metastasis, whose mechanism remains unclear. We recently revealed the specific contribution of plasma membrane cholesterol to the invasion of malignant MCF10CAIa but not premalignant MCF10AT and normal MCF10A cell lines in 2D, through invadopodia formation and extracellular matrix (ECM) degradation. In the present study, we address the impact of breast cancer subtypes, mutations and aggressiveness on cholesterol implication in breast cancer cell invasion and 3D spheroid invasion and growth. METHODS We used nine breast cancer cell lines grouped in four subtypes matching breast tumor classification. Four of these cell lines were also used to generate 3D spheroids. These cell lines were compared for cell invasion in 2D and 3D, spheroid growth in 3D, gelatin degradation, cortactin expression, activation and subcellular distribution as well as cell surface cholesterol distribution and lipid droplets. The effect of plasma membrane cholesterol depletion on all these parameters was determined in parallel and systematically compared with the impact of global matrix metalloproteinase (MMP) inhibition. RESULTS The six invasive cell lines in 2D were sensitive to partial cholesterol depletion, independently of their subtype, aggressiveness or mutation. Nevertheless, the effect was stronger in the three cell lines able to degrade gelatin. 3D spheroid invasion was also reduced after cholesterol depletion in all breast cancer subtypes tested. Notably, targeting cholesterol was more powerful than MMP inhibition in reducing invasion in both 2D and 3D culture models. Moreover, cholesterol depletion in the six invasive cell lines impaired cortactin distribution in the perinuclear region where invadopodia localized. Breast cancer cell line aggressiveness relied on cholesterol-enriched domains at the ECM-free side and intracellular lipid droplets. Furthermore, the three gelatin-degrading cell lines were characterized by increased cholesterol-enriched submicrometric domains at their ECM-contact side. CONCLUSION Together, our data suggest cell surface cholesterol combined with lipid droplet labeling as a breast cancer cell aggressiveness marker. They also open the way to test other cholesterol-targeting drugs in more complex models to further evaluate whether cholesterol could represent a strategy in breast cancer therapy.
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Affiliation(s)
- Mauriane Maja
- CELL Unit and PICT Imaging Platform, de Duve Institute, UCLouvain, 1200, Brussels, Belgium
| | - Marie Verfaillie
- CELL Unit and PICT Imaging Platform, de Duve Institute, UCLouvain, 1200, Brussels, Belgium
| | | | - Patrick Henriet
- CELL Unit and PICT Imaging Platform, de Duve Institute, UCLouvain, 1200, Brussels, Belgium
| | - Christophe E Pierreux
- CELL Unit and PICT Imaging Platform, de Duve Institute, UCLouvain, 1200, Brussels, Belgium
| | - Nor Eddine Sounni
- Laboratory of Tumor and Development Biology, GIGA-Cancer, University of Liège, 4000, Liège, Belgium
| | - Donatienne Tyteca
- CELL Unit and PICT Imaging Platform, de Duve Institute, UCLouvain, 1200, Brussels, Belgium.
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6
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Clarke MJ, Battagin S, Coppolino MG. Assessment of Invadopodium Formation and Gelatin Degradation in Vitro. Methods Mol Biol 2024; 2747:141-149. [PMID: 38038938 DOI: 10.1007/978-1-0716-3589-6_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Some cancer cells form highly regulated structures, termed invadopodia, which mediate local, enzymatic degradation of extracellular matrix and facilitate cancer cell invasion and migration during metastatic progression. Understanding invadopodium formation and function in cancer cells is therefore an important strategy to find novel clinical approaches to interfere with metastasis. Invadopodia are F-actin-rich protrusions that form on the advancing edge of cells, supported by complex molecular interactions at the cell membrane. Invadopodia formation, structure, and function can be studied in vitro, using commonly cultured cancer cell lines and standard microscopic techniques. Here, these approaches are described in detail.
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Affiliation(s)
- Marguerite J Clarke
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada
| | - Samantha Battagin
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada
| | - Marc G Coppolino
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada.
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Lien CF, Hwang TZ, Lin TM, Liu KW, Lin BS, Wang CC, Yang CC, Yeh SA, Hsieh MC. Prognostic impact of cortactin in patients with hypopharyngeal cancer and its role for tegafur-uracil maintenance after adjuvant chemoradiotherapy. Am J Cancer Res 2023; 13:5504-5512. [PMID: 38058839 PMCID: PMC10695800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 11/06/2023] [Indexed: 12/08/2023] Open
Abstract
The prognosis of patients with hypopharyngeal cancer (HPC) remains poor. Our study aims to investigate the prognostic impact of cortactin in patients with HPC and its role for tegafur-uracil (UFUR) maintenance after adjuvant chemoradiotherapy (CRT). Patients who were diagnosed to have HPC and underwent laryngopharyngectomy followed by adjuvant CRT were enrolled into our study. Immunohistochemical staining was performed for cortactin evaluation. Kaplan-Meier curves were depicted for recurrence-free survival (RFS) and overall survival (OS). A total of 157 patients were enrolled into our study. After stratified by cortactin, 53 patients were cortactin (+) and 104 patients were cortactin (-). The median RFS was 86.7 months in cortactin (-) and 10.2 months in cortactin (+) (P < 0.001). The median OS was 93.4 months in cortactin (-) and 16.9 months in cortactin (+) (P < 0.001). Patients were further classified according to UFUR maintenance or not after adjuvant CRT. In cortactin (+) patients, the median RFS and OS were 13.6 months versus 7.0 months (P = 0.006) and 24.0 months versus 10.0 months (P < 0.001) in UFUR (+) and UFUR (-), respectively. In cortactin (-) patients, the median RFS and OS were 96.0 months versus 72.2 months (P = 0.262) and 98.5 months versus 105.0 months (P = 0.665) in UFUR (+) and UFUR (-), respectively. Cortactin has a significantly impact in HPC patients. UFUR maintenance provided survival benefits in patients with cortactin (+) after adjuvant CRT.
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Affiliation(s)
- Ching-Feng Lien
- Department of Otolaryngology, E-Da HospitalKaohsiung, Taiwan
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
- Institute of Imaging and Biomedical Photonics, National Chiao Tung UniversityTainan, Taiwan
| | - Tzer-Zen Hwang
- Department of Otolaryngology, E-Da HospitalKaohsiung, Taiwan
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
| | - Tsun-Mei Lin
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
- Department of Laboratory Medicine and Medical Research, Medical Laboratory Science, E-DA HospitalKaohsiung, Taiwan
| | - Kai-Wen Liu
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
- Department of Pathology, E-DA HospitalKaohsiung, Taiwan
| | - Bor-Shyh Lin
- Institute of Imaging and Biomedical Photonics, National Chiao Tung UniversityTainan, Taiwan
| | - Chih-Chun Wang
- Department of Otolaryngology, E-Da HospitalKaohsiung, Taiwan
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
| | - Chuan-Chien Yang
- Department of Otolaryngology, E-Da HospitalKaohsiung, Taiwan
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
| | - Shyh-An Yeh
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
- Department of Radiation Oncology, E-Da HospitalKaohsiung, Taiwan
| | - Meng-Che Hsieh
- College of Medicine, I-Shou UniversityKaohsiung, Taiwan
- Department of Hematology-Oncology, E-Da Cancer HospitalKaohsiung, Taiwan
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Zhao Y, Hu F, Wang Q. Cortactin contributes to the tumorigenesis of gastric cancer by activating ERK/MMP pathway. Heliyon 2023; 9:e18289. [PMID: 37539204 PMCID: PMC10395536 DOI: 10.1016/j.heliyon.2023.e18289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 08/05/2023] Open
Abstract
Gastric cancer is a malignant tumor with high mortality and high incidence. This study aims to explore the function and molecular mechanism of Cortactin on gastric cancer progression in vitro and in vivo. A bioinformatics analysis from TCGA displayed that Cortactin was highly expressed in gastric cancer samples, and patients with a high Cortactin level had a worse survival rate. Subsequently, we investigated the specific mechanism of action of A in gastric cancer by collecting patient samples for immunohistochemistry, WB, qRT-PCR, cell transfection, cell invasion and metastasis, and constructing tumor xenografts in nude mice. Overexpression of Cortactin inhibited apoptosis and enhanced cellular proliferation and mobility in AGS cells, while those activities were reversed by the knockdown of MMP2 or MMP9. Conversely, the deletion of Cortactin induced apoptosis and suppressed cell growth and metastasis in SGC7901 cells, whereas those behaviors were inhibited by overexpression of MMP2 or MMP9. Additionally, the ERK pathway was activated by Cortactin upregulation. In vivo studies presented that overexpression of Cortactin promoted tumor growth, increased Ki67 expression, and reduced caspase 3 expression, which was reversed by ERK inhibitor treatment. In conclusion, Cortactin acted as an oncogene in gastric cancer and exerted its function by ERK/MMP2/MMP9 signaling pathway.
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Affiliation(s)
- Yi Zhao
- Department of Gastroenterology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Anhui 233004, China
| | - Fang Hu
- Department of Hematology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Anhui 233004, China
| | - Qizhi Wang
- Department of Gastroenterology, The First Affiliated Hospital of Bengbu Medical College, Bengbu Anhui 233004, China
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Yun SI, Kwak C, Lee SY, Shin S, Oh C, Kim JS, Rhee HW, Kim KK. Binding of USP4 to cortactin enhances cell migration in HCT116 human colon cancer cells. FASEB J 2023; 37:e22900. [PMID: 37039823 DOI: 10.1096/fj.202201337rrr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 03/01/2023] [Accepted: 03/20/2023] [Indexed: 04/12/2023]
Abstract
Ubiquitin-specific protease 4 (USP4) is highly overexpressed in colon cancer and acts as a potent protooncogenic protein by deubiquitinating β-catenin. However, its prominent roles in tumor formation and migration in cancer cells are not fully understood by its deubiquitinating enzyme (DUB) activity on β-catenin. Thus, we investigated an additional role of USP4 in cancer. In this study, we identified cortactin (CTTN), an actin-binding protein involved in the regulation of cytoskeleton dynamics and a potential prognostic marker for cancers, as a new cellular interacting partner of USP4 from proximal labeling of HCT116 cells. Additionally, the role of USP4 in CTTN activation and promotion of cell dynamics and migration was investigated in HCT116 cells. We confirmed that interacting of USP4 with CTTN increased cell movement. This finding was supported by the fact that USP4 overexpression in HCT116 cells with reduced expression of CTTN was insufficient to promote cell migration. Additionally, we observed that USP4 overexpression led to a significant increase in CTTN phosphorylation, which is a requisite mechanism for cell migration, by regulating Src/focal adhesion kinase (FAK) binding to CTTN and its activation. Our results suggest that USP4 plays a dual role in cancer progression, including stabilization of β-catenin as a DUB and interaction with CTTN to promote cell dynamics by inducing CTTN phosphorylation. Therefore, this study demonstrates that USP4 is important for cancer progression and is a good target for treating or preventing cancer.
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Affiliation(s)
- Sun-Il Yun
- Department of Precision Medicine, Institute for Antimicrobial Resistance Research and Therapeutics, Graduate School of Basic Medical Sciences (GSBMS), Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Chulhwan Kwak
- Department of Chemistry, Seoul National University, Seoul, Republic of Korea
- The Research Institute of Basic Science, Seoul National University, Seoul, Republic of Korea
| | - Song-Yi Lee
- Department of Chemistry, Seoul National University, Seoul, Republic of Korea
| | - Sanghee Shin
- The Research Institute of Basic Science, Seoul National University, Seoul, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Changsuk Oh
- Department of Precision Medicine, Institute for Antimicrobial Resistance Research and Therapeutics, Graduate School of Basic Medical Sciences (GSBMS), Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
| | - Jong-Seo Kim
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
- Center for RNA Research, Institute of Basic Science (IBS), Seoul, Republic of Korea
| | - Hyun-Woo Rhee
- Department of Chemistry, Seoul National University, Seoul, Republic of Korea
- School of Biological Sciences, Seoul National University, Seoul, Republic of Korea
| | - Kyeong Kyu Kim
- Department of Precision Medicine, Institute for Antimicrobial Resistance Research and Therapeutics, Graduate School of Basic Medical Sciences (GSBMS), Sungkyunkwan University School of Medicine, Suwon, Republic of Korea
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Yamashita SN, Tanaka Y, Kitagawa T, Baron B, Tokuda K, Paudel D, Nakagawa K, Ohta T, Hamada JI, Kobayashi M, Nagayasu H, Kuramitsu Y. Down-regulating Effect of a Standardized Extract of Cultured Lentinula edodes mycelia on Cortactin in Prostate Cancer Cells Is Dependent on Malignant Potential. Anticancer Res 2023; 43:1159-1166. [PMID: 36854514 DOI: 10.21873/anticanres.16261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 03/02/2023]
Abstract
BACKGROUND/AIM The incidence and mortality rates of prostate cancer have been increasing worldwide. Although prostate cancer cells grow slowly in the local original site, once the cancer cells spread to distant organs they grow rapidly and show very aggressive features. Cortactin is a protein that regulates the actin cytoskeleton and plays crucial roles in cancer metastasis. Up-regulated cortactin is correlated with the metastatic capacity of prostate cancer cells. AHCC®, a standardized extract of cultured Lentinula edodes mycelia, has been previously reported to have cortactin-down-regulating effects on human pancreatic cancer cells. In the present study, the effects of AHCC® treatment on cortactin levels in prostate cancer cells was evaluated. MATERIALS AND METHODS LNCaP.FGC, DU145, and PC-3 are human prostate cancer cell lines. LNCaP.FGC is well differentiated, androgen-dependent, and poorly metastatic. DU145 is less differentiated, androgen-independent, and moderate metastatic. PC-3 is less differentiated, androgen-independent, and highly metastatic. The effects of AHCC® treatment on cortactin levels in prostate cancer cells was evaluated by western blot. RESULTS In vitro AHCC® treatment decreased cortactin levels in LNCaP.FGC and DU145 cells but did not change those in PC-3 cells. CONCLUSION AHCC® treatment down-regulated cortactin expression in poor and moderate metastatic LNCaP.FGC and DU145 cells but showed no effect on cortactin expression in the highly metastatic PC-3 cells. Further studies are required to elucidate the mechanism of the resistance to AHCC® treatment in highly metastatic PC-3 cells.
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Affiliation(s)
- Shin-Nosuke Yamashita
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan.,Division of Oral and Maxillofacial Surgery, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Yoshiatsu Tanaka
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan.,Division of Oral and Maxillofacial Surgery, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Takao Kitagawa
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Byron Baron
- Centre for Molecular Medicine and Biobanking, University of Malta, Msida, Malta
| | - Kazuhiro Tokuda
- Graduate School of Health and Welfare, Yamaguchi Prefectural University, Yamaguchi, Japan
| | - Durga Paudel
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Koji Nakagawa
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Tohru Ohta
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Jun-Ichi Hamada
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Masanobu Kobayashi
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Hiroki Nagayasu
- Division of Oral and Maxillofacial Surgery, Department of Human Biology and Pathophysiology, School of Dentistry, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
| | - Yasuhiro Kuramitsu
- Advanced Research Promotion Centre, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan; .,School of Medical Technology, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Japan
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11
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Lin H, Fan Y, Zhi Z, Pang L, Sun D. Short-hairpin RNA-mediated suppression of cortactin may inhibit the migration and invasion abilities of endometrial cancer cells by reducing lamellipodia. Iran J Basic Med Sci 2023; 26:1390-1399. [PMID: 37970440 PMCID: PMC10634056 DOI: 10.22038/ijbms.2023.67633.14863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Accepted: 05/30/2023] [Indexed: 11/17/2023]
Abstract
Objectives The prognosis of endometrial cancer (EC) is significantly affected by tumor infiltration and metastasis. Cortactin (CTTN) regulates infiltration and metastasis in other tumors. Studies on the role and mechanism of CTTN in EC are limited and further studies are needed. Materials and Methods Quantitative PCR and immunohistochemistry were used to detect Ras-associated C3 botulinum toxin substrate 1 (Rac1) and CTTN in EC and normal tissues. The relationship between the expression of these two genes and their prognostic factors was analyzed. A CTTN-RNAi lentiviral system was constructed and transfected into EC cells. Migration and invasion were evaluated by scratch assay, transwell migration, and invasion assays. Pseudopodia formation was observed by immunofluorescence staining. Western blotting was performed to detect the expression of Rac1. Results The expression levels of Rac1 and CTTN in EC tissues were significantly higher than those in normal tissues. In the EC group, Rac1 and CTTN levels were correlated. The protein expression levels of Rac1 and CTTN were related to myometrial invasion and stage. After CTTN knockdown, the migration rate, invasiveness, and migratory ability of EC cells decreased significantly. Lamellipodia was observed to disappear with the appearance of blebs. Rac1 protein expression was decreased after CTTN knockdown. Conclusion CTTN may promote the invasion and migration of EC by lamellipodia. This effect may be related to the regulation of Rac1 by CTTN.
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Affiliation(s)
- Huisi Lin
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- These authors contributed eqully to this work
| | - Yujuan Fan
- Department of Gynecology and Obstetrics, University of the Chinese Academy of Sciences, Shenzhen Hospital, Shenzhen, China
- These authors contributed eqully to this work
| | - Zhifu Zhi
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Lihong Pang
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- Key Laboratory of Early Prevention and Treatment for Regional High-Frequency Tumor (Guangxi Medical University), Ministry of Education, Nanning, China
| | - Dan Sun
- Department of Gynecology and Obstetrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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12
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Naumann M, Ferino L, Sharafutdinov I, Backert S. Gastric Epithelial Barrier Disruption, Inflammation and Oncogenic Signal Transduction by Helicobacter pylori. Curr Top Microbiol Immunol 2023; 444:207-238. [PMID: 38231220 DOI: 10.1007/978-3-031-47331-9_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Helicobacter pylori exemplifies one of the most favourable bacterial pathogens worldwide. The bacterium colonizes the gastric mucosa in about half of the human population and constitutes a major risk factor for triggering gastric diseases such as stomach cancer. H. pylori infection represents a prime example of chronic inflammation and cancer-inducing bacterial pathogens. The microbe utilizes a remarkable set of virulence factors and strategies to control cellular checkpoints of inflammation and oncogenic signal transduction. This chapter emphasizes on the pathogenicity determinants of H. pylori such as the cytotoxin-associated genes pathogenicity island (cagPAI)-encoded type-IV secretion system (T4SS), effector protein CagA, lipopolysaccharide (LPS) metabolite ADP-glycero-β-D-manno-heptose (ADP-heptose), cytotoxin VacA, serine protease HtrA, and urease, and how they manipulate various key host cell signaling networks in the gastric epithelium. In particular, we highlight the H. pylori-induced disruption of cell-to-cell junctions, pro-inflammatory activities, as well as proliferative, pro-apoptotic and anti-apoptotic responses. Here we review these hijacked signal transduction events and their impact on gastric disease development.
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Affiliation(s)
- Michael Naumann
- Institute of Experimental Internal Medicine, Medical Faculty, Otto Von Guericke University, Leipziger Str. 44, 39120, Magdeburg, Germany.
| | - Lorena Ferino
- Institute of Experimental Internal Medicine, Medical Faculty, Otto Von Guericke University, Leipziger Str. 44, 39120, Magdeburg, Germany
| | - Irshad Sharafutdinov
- Dept. Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstr. 5, 91058, Erlangen, Germany
| | - Steffen Backert
- Dept. Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstr. 5, 91058, Erlangen, Germany.
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13
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Sharafutdinov I, Knorr J, Rottner K, Backert S, Tegtmeyer N. Cortactin: A universal host cytoskeletal target of Gram-negative and Gram-positive bacterial pathogens. Mol Microbiol 2022; 118:623-636. [PMID: 36396951 DOI: 10.1111/mmi.15002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/04/2022] [Accepted: 11/07/2022] [Indexed: 11/19/2022]
Abstract
Pathogenic bacteria possess a great potential of causing infectious diseases and represent a serious threat to human and animal health. Understanding the molecular basis of infection development can provide new valuable strategies for disease prevention and better control. In host-pathogen interactions, actin-cytoskeletal dynamics play a crucial role in the successful adherence, invasion, and intracellular motility of many intruding microbial pathogens. Cortactin, a major cellular factor that promotes actin polymerization and other functions, appears as a central regulator of host-pathogen interactions and different human diseases including cancer development. Various important microbes have been reported to hijack cortactin signaling during infection. The primary regulation of cortactin appears to proceed via serine and/or tyrosine phosphorylation events by upstream kinases, acetylation, and interaction with various other host proteins, including the Arp2/3 complex, filamentous actin, the actin nucleation promoting factor N-WASP, focal adhesion kinase FAK, the large GTPase dynamin-2, the guanine nucleotide exchange factor Vav2, and the actin-stabilizing protein CD2AP. Given that many signaling factors can affect cortactin activities, several microbes target certain unique pathways, while also sharing some common features. Here we review our current knowledge of the hallmarks of cortactin as a major target for eminent Gram-negative and Gram-positive bacterial pathogens in humans.
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Affiliation(s)
- Irshad Sharafutdinov
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Jakob Knorr
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Klemens Rottner
- Department of Cell Biology, Helmholtz Centre for Infection Research, Braunschweig, Germany.,Division of Molecular Cell Biology, Zoological Institute, Technische Universität Braunschweig, Braunschweig, Germany
| | - Steffen Backert
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Nicole Tegtmeyer
- Department of Biology, Division of Microbiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
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14
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Gao N, Raduka A, Rezaee F. Respiratory syncytial virus disrupts the airway epithelial barrier by decreasing cortactin and destabilizing F-actin. J Cell Sci 2022; 135:276021. [PMID: 35848790 PMCID: PMC9481929 DOI: 10.1242/jcs.259871] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 07/11/2022] [Indexed: 01/26/2023] Open
Abstract
Respiratory syncytial virus (RSV) infection is the leading cause of acute lower respiratory tract infection in young children worldwide. Our group recently revealed that RSV infection disrupts the airway epithelial barrier in vitro and in vivo. However, the underlying molecular pathways were still elusive. Here, we report the critical roles of the filamentous actin (F-actin) network and actin-binding protein cortactin in RSV infection. We found that RSV infection causes F-actin depolymerization in 16HBE cells, and that stabilizing the F-actin network in infected cells reverses the epithelial barrier disruption. RSV infection also leads to significantly decreased cortactin in vitro and in vivo. Cortactin-knockout 16HBE cells presented barrier dysfunction, whereas overexpression of cortactin protected the epithelial barrier against RSV. The activity of Rap1 (which has Rap1A and Rap1B forms), one downstream target of cortactin, declined after RSV infection as well as in cortactin-knockout cells. Moreover, activating Rap1 attenuated RSV-induced epithelial barrier disruption. Our study proposes a key mechanism in which RSV disrupts the airway epithelial barrier via attenuating cortactin expression and destabilizing the F-actin network. The identified pathways will provide new targets for therapeutic intervention toward RSV-related disease. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Nannan Gao
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
| | - Andjela Raduka
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
| | - Fariba Rezaee
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA,Center for Pediatric Pulmonary Medicine, Cleveland Clinic Children's, Cleveland, Ohio 44195, USA,Author for correspondence ()
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15
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Parveen S, Khamari A, Raju J, Coppolino MG, Datta S. Syntaxin 7 contributes to breast cancer cell invasion by promoting invadopodia formation. J Cell Sci 2022; 135:275829. [PMID: 35762511 DOI: 10.1242/jcs.259576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 05/12/2022] [Indexed: 12/15/2022] Open
Abstract
Invasion in various cancer cells requires coordinated delivery of signaling proteins, adhesion proteins, actin-remodeling proteins and proteases to matrix-degrading structures called invadopodia. Vesicular trafficking involving SNAREs plays a crucial role in the delivery of cargo to the target membrane. Screening of 13 SNAREs from the endocytic and recycling route using a gene silencing approach coupled with functional assays identified syntaxin 7 (STX7) as an important player in MDA-MB-231 cell invasion. Total internal reflection fluorescence microscopy (TIRF-M) studies revealed that STX7 resides near invadopodia and co-traffics with MT1-MMP (also known as MMP14), indicating a possible role for this SNARE in protease trafficking. STX7 depletion reduced the number of invadopodia and their associated degradative activity. Immunoprecipitation studies revealed that STX7 forms distinct SNARE complexes with VAMP2, VAMP3, VAMP7, STX4 and SNAP23. Depletion of VAMP2, VAMP3 or STX4 abrogated invadopodia formation, phenocopying what was seen upon lack of STX7. Whereas depletion of STX4 reduced MT1-MMP level at the cell surfaces, STX7 silencing significantly reduced the invadopodia-associated MT1-MMP pool and increased the non-invadosomal pool. This study highlights STX7 as a major contributor towards the invadopodia formation during cancer cell invasion. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Sameena Parveen
- Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, Bhopal 462066, India
| | - Amrita Khamari
- Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, Bhopal 462066, India
| | - Jyothikamala Raju
- Thazhathemalayil House, Thodupuzha East PO, Keerikode, Kerala 685585, India
| | - Marc G Coppolino
- Department of Molecular and Cellular Biology, University of Guelph, Ontario N1G 2W1, Canada
| | - Sunando Datta
- Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, Bhopal 462066, India
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16
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Wu B, Wang YX, Wang JJ, Xiang DF, Zhang MS, Yan ZX, Wang WY, Miao JY, Lan X, Liu JJ, Li ZY, Li C, Fan JY, Liu JY, Jiang L, Xu SL, Cui YH, Qian F. PLXDC2 enhances invadopodium formation to promote invasion and metastasis of gastric cancer cells via interacting with PTP1B. Clin Exp Metastasis 2022; 39:691-710. [PMID: 35661947 PMCID: PMC9338914 DOI: 10.1007/s10585-022-10168-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 04/14/2022] [Indexed: 11/27/2022]
Abstract
Plexin-domain containing 2 (PLXDC2) has been reported as an oncoprotein in several human malignancies. However, its expression and roles in gastric cancer remain largely unclear. In this study, we found that PLXDC2 was highly expressed in gastric cancer tissues, and the expression levels were positively correlated with clinicopathological features, but negatively with the patients’ outcome. Cox regression analysis identified PLXDC2 as an independent prognostic indicator for the patients. Knockdown of PLXDC2 markedly suppressed the in vitro invasion and in vivo metastasis of gastric cancer cells, while overexpression of PLXDC2 resulted in opposite effects. Mechanistically, PLXDC2 enhanced the level of phosphorylated Cortactin (p-Cortactin) by physically interacting with protein tyrosine phosphatase 1B (PTP1B), an important dephosphorylase, to prevent its dephosphorylating of p-Cortactin, thereby promoting the formation of invadopodia. Collectively, our results indicate that PLXDC2 contributes to the invasion and metastasis of gastric cancer by inhibiting PTP1B to facilitate the invadopodium formation, and may serve as a potential prognostic biomarker and a therapeutic target for this disease.
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Affiliation(s)
- Bin Wu
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Yan-Xia Wang
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Jun-Jie Wang
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Dong-Fang Xiang
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Meng-Si Zhang
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Ze-Xuan Yan
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Wen-Ying Wang
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Jing-Ya Miao
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Xi Lan
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Jia-Jia Liu
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Zheng-Yan Li
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Chuan Li
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Jun-Yan Fan
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Jun-Yan Liu
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Lei Jiang
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - Sen-Lin Xu
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China
| | - You-Hong Cui
- Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China.
| | - Feng Qian
- Department of General Surgery and Center of Minimal Invasive Gastrointestinal Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), No. 30 Gaotanyan Street, Chongqing, 400038, China.
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17
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Foroutan-Ghaznavi M, Mazloomi SM, Montazeri V, Pirouzpanah S. Dietary patterns in association with the expression of pro-metastatic genes in primary breast cancer. Eur J Nutr 2022; 61:3267-3284. [PMID: 35484415 DOI: 10.1007/s00394-022-02884-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 03/31/2022] [Indexed: 11/04/2022]
Abstract
PURPOSE Metastasis is a major leading cause of mortality in female breast cancer (BrCa). Cellular motility is a pathological process of metastasis remarked by the overexpression of cortactin (CTTN), Ras homolog family member-A (RhoA), and Rho-associated kinase (ROCK) genes. Their balance is responsible for upholding the integrity of healthy epithelial cell junctions. This study aimed to explore the associations between a posteriori dietary patterns and the expression levels of pro-metastatic genes in primary BrCa. METHODS In this consecutive case series, 215 eligible women, newly diagnosed with histologically confirmed non-metastatic BrCa (stage I-IIIA), were recruited from Hospitals in Tabriz, Northwestern Iran (2015-2017). The tumoral expression levels of genes were quantified using real-time reverse transcription-polymerase chain reaction. Dietary data assessment was carried out using a validated food frequency questionnaire. RESULTS Three dietary patterns were identified using principal component analysis (KMO = 0.699). Adherence to the "vegan" pattern (vegetables, fruits, legumes, nuts, seeds, and whole grains) was inversely associated with the expression levels of RhoA (ORAdj.T3vs.T1 = 0.24, 95%CI 0.07-0.79) and ROCK (ORAdj.T3vs.T1 = 0.26, 95%CI 0.08-0.87). In addition, the highest adherence to the "prudent" pattern (spices, seafood, dairy, and vegetable oils) decreased the odds of overexpressions at RhoA (ORAdj.T3vs.T1 = 0.26, 95%CI 0.08-0.84) and ROCK genes (ORAdj.T3vs.T1 = 0.29, 95%CI 0.09-0.95). The highest adherence to "Western" pattern (meat, processed meat, hydrogenated fat, fast food, refined cereals, sweets, and soft drinks) was a risk factor associated with the overexpression of RhoA (ORAdj.T3vs.T1 = 3.15, 95%CI 1.12-8.85). CONCLUSION Adherence to healthy dietary patterns was significantly associated with the downregulation of pro-metastatic genes. Findings provided new implications to advance the nutrigenomic knowledge to prevent the odds of over-regulations in pro-metastatic genes of the primary BrCa.
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Affiliation(s)
- Mitra Foroutan-Ghaznavi
- Department of Clinical Nutrition, Faculty of Nutrition and Food Sciences, Shiraz University of Medical Sciences, 7134814336, Shiraz, Iran.,Stem Cell Research Center, Tabriz University of Medical Sciences, 5166614756, Tabriz, Iran.,Department of Clinical Nutrition, Shahid Rajaee (Emtiaz) Trauma Hospital, Shiraz University of Medical Sciences, 7194815711, Shiraz, Iran
| | - Seyed-Mohammad Mazloomi
- Nutrition Research Center, Shiraz University of Medical Sciences, 7193635899, Shiraz, Iran.,Department of Food Hygiene and Quality Control, Faculty of Nutrition and Food Sciences, Shiraz University of Medical Sciences, 7134814336, Shiraz, Iran
| | - Vahid Montazeri
- Department of Thoracic Surgery, Faculty of Medicine, Tabriz University of Medical Sciences, 5166414766, Tabriz, Iran.,Department of Surgery, Nour-Nejat Hospital, 5138665793, Tabriz, Iran
| | - Saeed Pirouzpanah
- Stem Cell Research Center, Tabriz University of Medical Sciences, 5166614756, Tabriz, Iran. .,Molecular Medicine Research Center, Biomedicine Institute, Tabriz University of Medical Sciences, 5166414766, Tabriz, Iran.
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18
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Zhao CD, Zhou SC, Su H, Liang JW, Zhou ZX. [The expression of cortactin in colorectal cancer and its relationship with clinicopathological and prognostic parameters]. Zhonghua Zhong Liu Za Zhi 2022; 44:268-275. [PMID: 35316877 DOI: 10.3760/cma.j.cn112152-20210226-00172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the expression of cortactin in colorectal cancer and its correlation with clinicopathological parameters and prognosis. Methods: The expressions of cortactin in normal colorectal mucosal tissue and colorectal cancer tissue in paraffin-embedded tissue microarray from 319 patients who were diagnosed as colorectal cancer and treated in Cancer Hospital of Chinese Academy of Medical Sciences from 2006 to 2009 was detected by immunohistochemistry. Kaplan-Meier method and Log rank test were used for survival analysis, and Cox proportional risk regression model was used for multivariate analysis. Results: The positive expression rates of cortactin in colorectal cancer tissue and normal colorectal mucosal tissue were 61.1% (195/319) and 5.6% (18/319, P<0.001), respectively. T-stage, N-stage, American Joint Committee on Cancer (AJCC) stage, degree of tumor differentiation, neural invasion and preoperative carcinoembryonic antigen (CEA) levels were associated with the expression of cortactin (P<0.05). The positive expression of cortactin was associated with poorer disease-free survival (P=0.036) and overall survival (P=0.043), and the effect was more significant in patients with stage Ⅱ to Ⅲ. For patients with stage Ⅱ-Ⅲ colorectal cancer, postoperative adjuvant therapy was associated with disease-free survival (P=0.007) and overall survival (P=0.015). The vascular tumor embolus, pathological type, preoperative CEA level and cortactin expression were independent influencing factors for disease-free survival (P<0.05). The age, AJCC stage, preoperative CEA level and cortactin expression were independent influencing factors for overall survival (P<0.05). Preoperative CEA level and cortactin expression were independent influencing factors for disease-free survival and overall survival (P<0.05). Conclusion: Cortactin is expressed in colorectal cancer and in stage Ⅱ-Ⅲ patients, it is a potential predictor of colorectal cancer prognosis.
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Affiliation(s)
- C D Zhao
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, China
| | - S C Zhou
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, China
| | - H Su
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, China
| | - J W Liang
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, China
| | - Z X Zhou
- Department of Colorectal Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100021, China
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19
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Yuan L, Tian F. [Mechanism study of the protective effects of selective cyclooxygenase-2 enzyme inhibitors on the liver of rats with type 2 diabetes mellitus combined with nonalcoholic steatohepatitis via Rho/ROCK pathway]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:74-80. [PMID: 35152673 DOI: 10.3760/cma.j.cn501113-20200507-00234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate whether the selective cyclooxygenase-2 enzyme inhibitors celecoxib has protective effect on the liver of rats with type 2 diabetes mellitus (T2DM) combined with nonalcoholic steatohepatitis (NASH) via inhibiting the expression of Rho/ROCK pathway. Methods: Forty male SD rats were randomly divided into four groups: type 2 diabetes mellitus combined with nonalcoholic steatohepatitis (T2DM-NASH) group, T2DM-NASH + celecoxib group, control group, and control+celecoxib group. The T2DM-NASH and T2DM-NASH + celecoxib groups were fed with high-sugar and fat diet, and the control group and control + celecoxib group were fed with basal diet (25 kJ/kg). Four weeks later, streptozotocin (STZ, 30 mg/kg) was intraperitoneally injected into the NASH group and T2DM-NASH + celecoxib group to induce T2DM model, and the control group and control + celecoxib group were intraperitoneally injected with isovolumic citric acid-sodium citrate buffer. Four weeks after STZ injection, the T2DM-NASH + celecoxib group and the control + celecoxib group were gavaged with celecoxib (10 mg·kg·d) dissolved in normal saline for 4 weeks, and the remaining two groups of rats were gavaged with isovolumic normal saline for 4 weeks. Animals were sacrificed at the end of the 12- weeks, and the liver tissue was collected. Liver pathological changes were observed by HE staining. The expressions of RhoA, RhoA, ROCK1 and ROCK2 proteins in liver were detected by immunohistochemistry and western blot. The expressional condition of RhoA, ROCK1 and ROCK2 mRNA in liver were detected by real-time quantitative PCR. The differences were compared between protein and mRNA expression among the groups by analysis of variance and t-test. Results: Compared with the control group and the control + celecoxib group, the liver tissue of the T2DM-NASH group and the T2DM-NASH + celecoxib group had severe steatosis, and there was partial inflammatory cell infiltration under the light microscope. The expression levels of RhoA, ROCK1 and ROCK2 protein and mRNA were significantly increased (P < 0.05) in each liver tissue, while liver steatosis was reduced to certain extent in T2DM-NASH + celecoxib group than T2DM-NASH group, and the expression levels of RhoA, ROCK1 and ROCK2 protein and mRNA were decreased in each liver tissue of T2DM-NASH group (P < 0.05). Conclusion: The selective cyclooxygenase-2 enzyme inhibitors celecoxib has a protective effect on the liver of rats with T2DM-NASH, and its effect may be achieved by inhibiting the expression of Rho/ROCK pathway.
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Affiliation(s)
- L Yuan
- Department of Gastroenterology, Qinghai Provincial Peoples's Hospital, Xining 810000, China
| | - F Tian
- Department of Gastroenterology, Shengjing Hospital Affiliated to China Medical University, Shenyang 110004, China
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Hao LS, Song J, Zhang MT, Song XJ, Jiang MY, Ji JX, Mo YB, Wang J. [Effects of adenovirus-mediated shRNA down-regulates PTEN expression on fibril-binding proteins vinculin, filamin A and cortactin in activated hepatic stellate cells]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:38-44. [PMID: 35152668 DOI: 10.3760/cma.j.cn501113-20201230-00691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Objective: To investigate the effect of adenovirus-mediated shRNA down-regulating phosphatase and tensin homolog deleted on chromosome 10 (PTEN) expression on vinculin, filamin A, and cortactin in activated hepatic stellate cells (HSCs). Methods: Activated rats hepatic stellate cell line (HSC-T6) was cultured in vitro. Recombinant adenovirus Ad-shRNA/PTEN carrying PTEN targeted RNA interference sequence [short hairpin RNA (shRNA)] and empty control virus Ad-GFP were transfected into HSCs. The PTEN mRNA and protein expression of HSCs in each group were detected by real-time fluorescence quantitative PCR and Western blot. The expressional change of vinculin, filamin A and cortactin in HSCs of each group were detected by confocal laser scanning immunofluorescence microscope. Image-pro plus 6.0 software was used for image analysis and processing. The integrated optical density (IOD) of the fluorescence protein expression was measured. The experiment was divided into three groups: control group (DMEM instead of adenovirus solution in the adenovirus transfection step), Ad-GFP group (transfected with empty virus Ad-GFP only expressing green fluorescent protein), and Ad-shRNA/PTEN group (recombinant adenovirus Ad-shRNA/PTEN carrying shRNA targeting PTEN and expressing green fluorescent protein). One-way analysis of variance was used for comparison of mean value among the three groups, and LSD-test was used for comparison between the groups. Results: shRNA targeted PTEN was successfully transfected and the expression of PTEN mRNA and protein in HSC (P < 0.05) was significantly down-regulated. HSCs vinculin was mainly expressed in the cytoplasm. HSCs vinculin fluorescence IOD in the Ad-shRNA/PTEN group (19 758.83 ± 1 520.60) was higher than control (7 737.16 ± 279.93) and Ad-GFP group (7 725.50 ± 373.03) (P < 0.05), but there was no statistically significant difference between control group and Ad-GFP group (P > 0.05). There was no statistically significant difference in the fluorescence IOD of Filamin A among the three groups (P > 0.05), but the subcellular distribution of Filamin A among the three groups were changed. Filamin A in the Ad-shrNA /PTEN HSC group was mainly distributed in the cytoplasm. Filamin A HSC was mainly located in the nucleus.The filamin A HSC in the control group and Ad-GFP group was mainly located in the nucleus. The nucleocytoplasmic ratio of Filamin A in the AD-shrNA /PTEN group (0.60 ± 0.15) was significantly lower than control group (1.20 ± 0.15) and Ad-GFP group (1.08 ± 0.23), P < 0.05. but there was no statistically significant difference in filamin A nucleocytoplasmic ratio of HSC between the control group and the Ad-GFP group (P > 0.05). Cortactin HSCs in the three groups was mainly distributed in the cytoplasm. The cortactin fluorescence IOD of HSCs in the Ad-shRNA/PTEN group was significantly higher than control group (22 959.94 ± 1 710.42) and the Ad-GFP group (22 547.11 ± 1 588.72 ) (P < 0.05), while there was no statistically significant difference in the IOD of cortactin fluorescence in HSCs between the control group and the Ad-GFP group (P > 0.05). Conclusion: The down-regulation of PTEN expression raises the expression of microfilament-binding protein vinculin and cortactin, and changes the subcellular distribution of another microfilament binding protein filamin A, that is, translocation from nucleus to the cytoplasm in activated HSC in vitro.
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Affiliation(s)
- L S Hao
- Department of Gastroenterology, the Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - J Song
- Department of Gastroenterology, the Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - M T Zhang
- The First Hospital of Zhangjiakou City, Zhangjiakou 075000, China
| | - X J Song
- The People's Hospital of Cangzhou City, Cangzhou 061000, China
| | - M Y Jiang
- Department of Gastroenterology, the Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - J X Ji
- Department of Gastroenterology, the Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - Y B Mo
- Department of Gastroenterology, the Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
| | - J Wang
- Department of Gastroenterology, the Affiliated Hospital of North China University of Science and Technology, Tangshan 063000, China
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Brown SL, Ren Y, Suter DM, Mattoo S. A Co-purification Method for Efficient Production and Src Kinase-mediated Phosphorylation of Aplysia Cortactin. Bio Protoc 2021; 11:e4158. [PMID: 34692908 PMCID: PMC8481015 DOI: 10.21769/bioprotoc.4158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 04/28/2021] [Accepted: 05/03/2021] [Indexed: 11/02/2022] Open
Abstract
Cortactin is an actin-binding protein that regulates processes like cell migration, endocytosis, and tumor cell metastasis. Although cortactin is associated with actin-cytoskeletal dynamics in non-neuronal cells and cell-free systems, the exact mechanisms underlying its fundamental roles in neuronal growth cones are not fully explored. Recent reports show that Aplysia Src2 tyrosine kinase induces phosphorylation of cortactin as a mechanism to control lamellipodia protrusion and filopodia formation in cultured Aplysia bag cell neurons ( He et al., 2015 ; Ren et al., 2019 ). In order to provide in vitro evidence for Src2-mediated phosphorylation of cortactin, we developed a robust and cost-effective method for the efficient expression and purification of Aplysia cortactin and Src2 kinase that can be used for biochemical studies including phosphorylation assays. By co-purifying cortactin and Src kinase with a phosphatase (YopH) from Yersinia enterocolitica, we eliminated the problem of non-specific phosphorylation of induced proteins by bacterial kinases and also reduced costs by bypassing the need for commercial enzymatic treatments. This protocol is reproducible and can be modified to produce homogenous non-phosphorylated proteins during recombinant protein expression in Escherichia coli.
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Affiliation(s)
- Sherlene L Brown
- Department of Biochemistry, Purdue University, West Lafayette, IN 47907, USA
| | - Yuan Ren
- Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA
| | - Daniel M Suter
- Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA.,Purdue Institute of Integrative Neuroscience, Purdue University, West Lafayette, IN 47907, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN 47907, USA.,Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA.,Purdue Institute of Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN 47907, USA
| | - Seema Mattoo
- Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA.,Purdue Institute of Integrative Neuroscience, Purdue University, West Lafayette, IN 47907, USA.,Bindley Bioscience Center, Purdue University, West Lafayette, IN 47907, USA.,Purdue Institute of Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN 47907, USA
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Wei J, Wang Y, Xie B, Ma J, Wang Y. Cortactin and HER2 as potential markers for dural-targeted therapy in advanced gastric cancer. Clin Exp Med 2021; 22:403-410. [PMID: 34533670 DOI: 10.1007/s10238-021-00752-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 08/09/2021] [Indexed: 02/07/2023]
Abstract
To study the role of HER2/cortactin co-overexpression in advanced gastric cancer (GC). This study retrospectively enrolled 246 patients with stage III GC from January 2015 to December 2016 at our hospital. We explored, using immunostaining techniques, the role of the expression of cortactin and HER2 in the progression of advanced GC. The patient data, including age, sex, cortactin and HER2 expression, pathological parameters and survival, were collected. Univariate and multivariate analyses were used to analyze the characteristics, survival, and prognostic factors of the patients. The results showed that the expression of cortactin was significantly associated with vascular-lymphatic invasion (P < 0.001), N stage (P = 0.001), and TNM stage (P = 0.046). HER2 overexpression correlated with tumor size (P = 0.002), neural invasion (P = 0.002), Lauren classification (P = 0.005) and N stage (P = 0.034). Through univariate analysis using the Kaplan-Meier method, vascular-lymphatic invasion (P = 0.015), neural invasion (P = 0.021), N stage (P < 0.003), and HER2/cortactin co-overexpression (P < 0.028) were shown to be significantly associated with overall survival. Multivariate analysis demonstrated that vascular lymphatic invasion (hazard ratio = 1.481, 95% CI, 1.064 to 2.061, P = 0.020), neural invasion (hazard ratio = 1.505, 95% CI, 1.084 to 2.089, P = 0.015), N stage (N2/N1: hazard ratio = 1.655, 95% CI, 1.048 to 2.641, P < 0.031, N3/N1: hazard ratio = 2.089, 95% CI, 1.325 to 3.295, P < 0.002), and HER2/cortactin co-overexpression (hazard ratio = 1.427, 95% CI, 1.007 to 2.024, P = 0.046) were independent prognostic factors for poor overall survival. The results suggested that HER2/cortactin co-overexpression is an important predictive biomarker for GC patients. GC patients with HER2/cortactin co-overexpression may receive dual-targeted therapy to improve survival prognosis in the future.
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Affiliation(s)
- Jun Wei
- Department of Oncological Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui Province, 233000, China.
| | - Yimin Wang
- Department of Oncological Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui Province, 233000, China
| | - Bo Xie
- Department of Oncological Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui Province, 233000, China
| | - Jiachi Ma
- Department of Oncological Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui Province, 233000, China
| | - Yaguo Wang
- Department of Oncological Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui Province, 233000, China
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Raut MS, Bansal S, Desai RS, Raut BS. A comparative immunohistochemical analysis of cortactin in orthokeratinized odontogenic cyst (OOC), sporadic odontogenic keratocyst (OKC), and syndromic OKC. J Oral Biosci 2021; 63:444-449. [PMID: 34534694 DOI: 10.1016/j.job.2021.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 09/01/2021] [Accepted: 09/03/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To evaluate and compare the immunohistochemical expression of cortactin in the epithelial lining of orthokeratinized odontogenic cyst (OOC), sporadic odontogenic keratocyst (OKC), and syndromic OKC. METHODS Formalin-fixed paraffin-embedded tissue blocks of histopathologically diagnosed cases of OOC, OKC, syndromic OKC, normal buccal mucosa (NBM), and oral squamous cell carcinoma (OSCC) were examined for immunohistochemical expression of cortactin. Clear brown cytoplasmic and membranous staining was considered positive. RESULTS A statistically significant difference was observed between OOC and syndromic OKC (p<0.001), as well as between sporadic OKC and syndromic OKC (p<0.001). Although not statistically significant, the expression of cortactin was slightly higher in the basal layer of NBM (mean=0.47), OOC (mean=0.27), sporadic OKC (mean=0.47) syndromic OKC (mean=1.53), and OSCC (mean=0.67) than in the parabasal layers of NBM (mean=0.27), OOC (mean=0.20), sporadic OKC (mean=0.47), syndromic OKC (mean=1.27), and OSCC (mean=0.60). CONCLUSION The expression of cortactin in the basal layer may suggest the formation of invadopodia in the basal layer where the invasion mechanism occurs. This finding is further supported by the higher localization of cortactin in areas of epithelial budding and daughter cysts in syndromic OKC, thereby reaffirming its possible association with recurrence.
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Affiliation(s)
- Mugdha S Raut
- Department of Oral Pathology and Microbiology, Nair Hospital Dental College, Dr. A.L Nair Road, Mumbai Central, Mumbai-400008, India.
| | - Shivani Bansal
- Department of Oral Pathology and Microbiology, Nair Hospital Dental College, Dr. A.L Nair Road, Mumbai Central, Mumbai-400008, India.
| | - Rajiv S Desai
- Department of Oral Pathology and Microbiology, Nair Hospital Dental College, Dr. A.L Nair Road, Mumbai Central, Mumbai-400008, India.
| | - Bhargav S Raut
- Furness General Hospital-Morecambe Bay Hospital Trust, Dalton Lane, Barrow in Furness, Cumbria, United Kingdom.
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Cortés-Vicente E, Alvárez-Velasco R, Illa I, Gallardo E. Comment to "Autoantibodies to cortactin and agrin in sera of patients with myasthenia gravis". J Neuroimmunol 2021; 358:577659. [PMID: 34273889 DOI: 10.1016/j.jneuroim.2021.577659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/30/2021] [Accepted: 07/08/2021] [Indexed: 11/23/2022]
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Varone A, Amoruso C, Monti M, Patheja M, Greco A, Auletta L, Zannetti A, Corda D. The phosphatase Shp1 interacts with and dephosphorylates cortactin to inhibit invadopodia function. Cell Commun Signal 2021; 19:64. [PMID: 34088320 PMCID: PMC8176763 DOI: 10.1186/s12964-021-00747-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 04/29/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Invadopodia are actin-based cell-membrane protrusions associated with the extracellular matrix degradation accompanying cancer invasion. The elucidation of the molecular mechanisms leading to invadopodia formation and activity is central for the prevention of tumor spreading and growth. Protein tyrosine kinases such as Src are known to regulate invadopodia assembly, little is however known on the role of protein tyrosine phosphatases in this process. Among these enzymes, we have selected the tyrosine phosphatase Shp1 to investigate its potential role in invadopodia assembly, due to its involvement in cancer development. METHODS Co-immunoprecipitation and immunofluorescence studies were employed to identify novel substrate/s of Shp1AQ controlling invadopodia activity. The phosphorylation level of cortactin, the Shp1 substrate identified in this study, was assessed by immunoprecipitation, in vitro phosphatase and western blot assays. Short interference RNA and a catalytically-dead mutant of Shp1 expressed in A375MM melanoma cells were used to evaluate the role of the specific Shp1-mediated dephosphorylation of cortactin. The anti-invasive proprieties of glycerophosphoinositol, that directly binds and regulates Shp1, were investigated by extracellular matrix degradation assays and in vivo mouse model of metastasis. RESULTS The data show that Shp1 was recruited to invadopodia and promoted the dephosphorylation of cortactin at tyrosine 421, leading to an attenuated capacity of melanoma cancer cells to degrade the extracellular matrix. Controls included the use of short interference RNA and catalytically-dead mutant that prevented the dephosphorylation of cortactin and hence the decrease the extracellular matrix degradation by melanoma cells. In addition, the phosphoinositide metabolite glycerophosphoinositol facilitated the localization of Shp1 at invadopodia hence promoting cortactin dephosphorylation. This impaired invadopodia function and tumor dissemination both in vitro and in an in vivo model of melanomas. CONCLUSION The main finding here reported is that cortactin is a specific substrate of the tyrosine phosphatase Shp1 and that its phosphorylation/dephosphorylation affects invadopodia formation and, as a consequence, the ability of melanoma cells to invade the extracellular matrix. Shp1 can thus be considered as a regulator of melanoma cell invasiveness and a potential target for antimetastatic drugs. Video abstract.
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Affiliation(s)
- Alessia Varone
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Chiara Amoruso
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Marcello Monti
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Manpreet Patheja
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Adelaide Greco
- Interdipartimental Center of Veterinary Radiology, University of Naples Federico II, Via Delpino 1, 80137 Naples, Italy
- Institute of Biostructures and Bioimaging, National Research Council, Via Tommaso De Amicis 95, 80145 Naples, Italy
| | - Luigi Auletta
- IRCCS SDN, Via Emanuele Gianturco 113, 80142 Naples, Italy
| | - Antonella Zannetti
- Institute of Biostructures and Bioimaging, National Research Council, Via Tommaso De Amicis 95, 80145 Naples, Italy
| | - Daniela Corda
- Institute of Biochemistry and Cell Biology, National Research Council, Via Pietro Castellino 111, 80131 Naples, Italy
- Department of Biomedical Sciences, National Research Council, Piazzale Aldo Moro 7, 00185 Rome, Italy
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Doppler K, Hemprich A, Haarmann A, Brecht I, Franke M, Kröger S, Villmann C, Sommer C. Autoantibodies to cortactin and agrin in sera of patients with myasthenia gravis. J Neuroimmunol 2021; 356:577588. [PMID: 33962172 DOI: 10.1016/j.jneuroim.2021.577588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 04/13/2021] [Accepted: 04/22/2021] [Indexed: 12/13/2022]
Abstract
Autoantibodies against agrin and cortactin have been described in patients with myasthenia gravis. To further validate and characterize these autoantibodies, sera and/or plasma exchange material of 135 patients with myasthenia gravis were screened for anti-agrin or anti-cortactin autoantibodies. Autoantibodies against cortactin were detected in three patients and two controls and could be confirmed by cell-based assays using cortactin-transfected human embryonic kidney cells in both controls and one patient, but were not detectable in follow-up sera of the three patients. We did not detect any autoantibodies against agrin. The clinical phenotype of anti-cortactin-positive patients varied, arguing against a relevant pathogenic role.
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Affiliation(s)
- Kathrin Doppler
- University Hospital Würzburg, Department of Neurology, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
| | - Antonia Hemprich
- University Hospital Würzburg, Department of Neurology, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
| | - Axel Haarmann
- University Hospital Würzburg, Department of Neurology, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
| | - Isabel Brecht
- University Hospital Würzburg, Department of Neurology, Josef-Schneider-Str. 11, 97080 Würzburg, Germany
| | - Maximilian Franke
- University Hospital Würzburg, Department of Neurology, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
| | - Stephan Kröger
- Ludwig-Maximilians-Universität München, Department of Physiological Genomics, BioMedical Center, Großhaderner Str. 9, 82152 Planegg-Martinsried, Germany.
| | - Carmen Villmann
- Institute of Clinical Neurobiology, University Hospital Würzburg, Versbacher Str. 5, 97078 Würzburg, Germany.
| | - Claudia Sommer
- University Hospital Würzburg, Department of Neurology, Josef-Schneider-Str. 11, 97080 Würzburg, Germany.
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Engevik AC, Krystofiak ES, Kaji I, Meyer AR, Weis VG, Goldstein A, Coutts AW, Melkamu T, Saqui-Salces M, Goldenring JR. Recruitment of Polarity Complexes and Tight Junction Proteins to the Site of Apical Bulk Endocytosis. Cell Mol Gastroenterol Hepatol 2021; 12:59-80. [PMID: 33548596 DOI: 10.1016/j.jcmgh.2021.01.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND & AIMS The molecular motor, Myosin Vb (MYO5B), is well documented for its role in trafficking cargo to the apical membrane of epithelial cells. Despite its involvement in regulating apical proteins, the role of MYO5B in cell polarity is less clear. Inactivating mutations in MYO5B result in microvillus inclusion disease (MVID), a disorder characterized by loss of key apical transporters and the presence of intracellular inclusions in enterocytes. We previously identified that inclusions in Myo5b knockout (KO) mice form from invagination of the apical brush border via apical bulk endocytosis. Herein, we sought to elucidate the role of polarity complexes and tight junction proteins during the formation of inclusions. METHODS Intestinal tissue from neonatal control and Myo5b KO littermates was analyzed by immunofluorescence to determine the localization of polarity complexes and tight junction proteins. RESULTS Proteins that make up the apical polarity complexes-Crumbs3 and Pars complexes-were associated with inclusions in Myo5b KO mice. In addition, tight junction proteins were observed to be concentrated over inclusions that were present at the apical membrane of Myo5b-deficient enterocytes in vivo and in vitro. Our mouse findings are complemented by immunostaining in a large animal swine model of MVID genetically engineered to express a human MVID-associated mutation that shows an accumulation of Claudin-2 over forming inclusions. The findings from our swine model of MVID suggest that a similar mechanism of tight junction accumulation occurs in patients with MVID. CONCLUSIONS These data show that apical bulk endocytosis involves the altered localization of apical polarity proteins and tight junction proteins after loss of Myo5b.
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Mazloomi SM, Foroutan-Ghaznavi M, Montazeri V, Tavoosidana G, Fakhrjou A, Nozad-Charoudeh H, Pirouzpanah S. Profiling the expression of pro-metastatic genes in association with the clinicopathological features of primary breast cancer. Cancer Cell Int 2021; 21:6. [PMID: 33407452 PMCID: PMC7789694 DOI: 10.1186/s12935-020-01708-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/07/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Metastasis accounts for ninety percent of breast cancer (BrCa) mortality. Cortactin, Ras homologous gene family member A (RhoA), and Rho-associated kinase (ROCK) raise cellular motility in favor of metastasis. Claudins (CLDN) belong to tight junction integrity and are dysregulated in BrCa. Thus far, epidemiologic evidence regarding the association of different pro-metastatic genes with pathological phenotypes of BrCa is largely inconsistent. This study aimed to determine the possible transcriptional models of pro-metastatic genes incorporate in holding the integrity of epithelial cell-cell junctions (CTTN, RhoA, ROCK, CLDN-1, CLDN-2, and CLDN-4), for the first time, in association with clinicopathological features of primary BrCa. METHODS In a consecutive case-series design, 206 newly diagnosed non-metastatic eligible BrCa patients with histopathological confirmation (30-65 years) were recruited in Tabriz, Iran (2015-2017). Real-time RT-PCR was used. Then fold changes in the expression of target genes were measured. RESULTS ROCK amplification was associated with the involvement of axillary lymph node metastasis (ALNM; ORadj. = 3.05, 95%CI 1.01-9.18). Consistently, inter-correlations of CTTN-ROCK (β = 0.226, P < 0.05) and RhoA-ROCK (β = 0.311, P < 0.01) were determined among patients diagnosed with ALNM+ BrCa. In addition, the overexpression of CLDN-4 was frequently observed in tumors identified by ALNM+ or grade III (P < 0.05). The overexpression of CTTN, CLDN-1, and CLDN-4 genes was correlated positively with the extent of tumor size. CTTN overexpression was associated with the increased chance of luminal-A positivity vs. non-luminal-A (ORadj. = 1.96, 95%CI 1.02-3.77). ROCK was also expressed in luminal-B BrCa tumors (P < 0.05). The estrogen receptor-dependent transcriptions were extended to the inter-correlations of RhoA-ROCK (β = 0.280, P < 0.01), ROCK-CLDN-2 (β = 0.267, P < 0.05), and CLDN-1-CLDN-4 (β = 0.451, P < 0.001). CONCLUSIONS For the first time, our findings suggested that the inter-correlations of CTTN-ROCK and RhoA-ROCK were significant transcriptional profiles determined in association with ALNM involvement; therefore the overexpression of ROCK may serve as a potential molecular marker for lymphatic metastasis. The provided binary transcriptional profiles need more approvals in different clinical features of BrCa metastasis.
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Affiliation(s)
- Seyed-Mohammad Mazloomi
- Nutrition Research Center, Department of Food Hygiene and Quality Control, Faculty of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, 7193635899 Iran
| | - Mitra Foroutan-Ghaznavi
- Students’ Research Committee, Faculty of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, 7134814336 Iran
- Molecular Medicine Research Center, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, 5166414766 Iran
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, 5166614756 Iran
| | - Vahid Montazeri
- Department of Thoracic Surgery, Faculty of Medicine, Tabriz University of Medical Sciences, Surgery Ward, Nour-Nejat Hospital, Tabriz, 5166614766 Iran
| | - Gholamreza Tavoosidana
- Department of Molecular Medicine, Faculty of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, 1417755469 Iran
| | - Ashraf Fakhrjou
- Department of Pathology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, 5166614766 Iran
| | | | - Saeed Pirouzpanah
- Molecular Medicine Research Center, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, 5166414766 Iran
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, 5166614756 Iran
- Department of Biochemistry and Dietetics, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, 5166614711 Iran
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Shih PY, Hsieh BY, Tsai CY, Lo CA, Chen BE, Hsueh YP. Autism-linked mutations of CTTNBP2 reduce social interaction and impair dendritic spine formation via diverse mechanisms. Acta Neuropathol Commun 2020; 8:185. [PMID: 33168105 PMCID: PMC7654188 DOI: 10.1186/s40478-020-01053-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 10/10/2020] [Indexed: 01/10/2023] Open
Abstract
Abnormal synaptic formation and signaling is one of the key molecular features of autism spectrum disorders (ASD). Cortactin binding protein 2 (CTTNBP2), an ASD-linked gene, is known to regulate the subcellular distribution of synaptic proteins, such as cortactin, thereby controlling dendritic spine formation and maintenance. However, it remains unclear how ASD-linked mutations of CTTNBP2 influence its function. Here, using cultured hippocampal neurons and knockin mouse models, we screen seven ASD-linked mutations in the short form of the Cttnbp2 gene and identify that M120I, R533* and D570Y mutations impair CTTNBP2 protein-protein interactions via divergent mechanisms to reduce dendritic spine density in neurons. R533* mutation impairs CTTNBP2 interaction with cortactin due to lack of the C-terminal proline-rich domain. Through an N-C terminal interaction, M120I mutation at the N-terminal region of CTTNBP2 also negatively influences cortactin interaction. D570Y mutation increases the association of CTTNBP2 with microtubule, resulting in a dendritic localization of CTTNBP2, consequently reducing the distribution of CTTNBP2 in dendritic spines and impairing the synaptic function of CTTNBP2. Finally, we generated heterozygous M120I knockin mice to mimic the genetic variation of patients and found they exhibit reduced social interaction. Our study elucidates that different ASD-linked mutations of CTTNBP2 result in diverse molecular deficits, but all have the similar consequence of synaptic impairment.
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Lian Y, Wen D, Meng X, Wang X, Li H, Hao L, Xue H, Zhao J. Inhibition of invadopodia formation by diosgenin in tumor cells. Oncol Lett 2020; 20:283. [PMID: 33014161 PMCID: PMC7520800 DOI: 10.3892/ol.2020.12148] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 07/15/2020] [Indexed: 12/11/2022] Open
Abstract
Diosgenin is a type of steroid extracted from the rhizome of Dioscorea plants. In traditional Chinese medicine, Dioscorea has the effect of ‘eliminating phlegm, promoting digestion, relaxing tendons, promoting blood circulation and inhibiting malaria’. Recent studies have confirmed that diosgenin exhibits a number of pharmacological effects, including antitumor activities. Through its antitumor effect, diosgenin is able to block tumor progression and increase the survival rate of patients with cancer; ultimately improving their quality of life. However, the mechanism underlying its pharmacological action remains unclear. Once tumor cells reach a metastatic phase, it can be fatal. Increased migration and invasiveness are the hallmarks of metastatic tumor cells. Invadopodia formation is key to maintaining the high migration and invasive ability of tumor cells. Invadopodia are a type of membrane structure process rich in filamentous-actin and are common in highly invasive tumor cells. In addition to actin, numerous actin regulators, including cortical actin-binding protein (Cortactin), accumulate in invadopodia. Cortactin is a microfilament actin-binding protein with special repetitive domains that are directly involved in the formation of the cortical microfilament actin cell skeleton. Cortactin is also one of the main substrates of intracellular Src-type tyrosine protein kinases and represents a highly conserved family of intracellular cortical signaling proteins. In recent years, great progress has been made in understanding the role of Cortactin and its molecular mechanism in cell motility. However, the diosgenin-Cortactin-invadopodia mechanism is still under investigation. Therefore, the present review focused on the current research on the regulation of invadopodia by diosgenin via Cortactin.
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Affiliation(s)
- Yaxin Lian
- Department of Histology and Embryology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Dezhong Wen
- Department of Medical Genetics, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Xiaoting Meng
- Department of Histology and Embryology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Xiaozhen Wang
- Department of Breast Surgery, The First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Hongcheng Li
- GeneScience Pharmaceuticals Co., Ltd., Changchun, Jilin 130021, P.R. China
| | - Liming Hao
- Department of Histology and Embryology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Hui Xue
- Department of Histology and Embryology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Jia Zhao
- Department of Histology and Embryology, College of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
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Yang L, Fu Q, Miao L, Ding Q, Li X, Wang J, Jiang G, Wang Y. Quantitative acetylome and phosphorylome analysis reveals Girdin affects pancreatic cancer progression through regulating Cortactin. Aging (Albany NY) 2020; 12:7679-7693. [PMID: 32369440 PMCID: PMC7244020 DOI: 10.18632/aging.103032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 02/25/2020] [Indexed: 02/07/2023]
Abstract
The actin-binding protein Girdin is involved in a variety of cellular processes, including pancreatic cancer. The objective of this study is to explore the role and the mechanism of Girdin in pancreatic cancer by quantitative acetylome and phosphorylome analysis. We firstly found that Girdin was overexpressed in pancreatic cancer tissue and increased expression of Girdin was associated with tumor size and stage of patients with pancreatic cancer. We established the shRNA knockdown of Girdin in PANC-1 and Aspc-1 cells, and we found that shGirdin inhibited proliferation, migration and invasion, and promoted apoptosis. Subsequently, we identified and quantified 5,338 phosphorylated sites in 2,263 proteins that changed in response to Girdin knockdown, and identified a similar set of Girdin-responsive acetylome data as well. Additional data revealed that down-regulation of Girdin affected Cortactin phosphorylation and acetylation, suggesting Cortactin as an important regulatory target of Girdin. Moreover, we found that overexpression of Cortactin could rescue the effect of shGirdin on proliferation, apoptosism, migration and invasion of pancreatic cancer cells. In general, our results provided new insights into the mechanisms of Girdin function including cell proliferation, migration and invasion, and offer biomarker candidates for clinical evaluation of Girdin.
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Affiliation(s)
- Lihua Yang
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Qiang Fu
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Lin Miao
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Quchen Ding
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Xiangyu Li
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Juan Wang
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Guobin Jiang
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
| | - Yun Wang
- Medical Center for Digestive Disease, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210011, China
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Chen L, Zhu M, Yu S, Hai L, Zhang L, Zhang C, Zhao P, Zhou H, Wang S, Yang X. Arg kinase mediates CXCL12/CXCR4-induced invadopodia formation and invasion of glioma cells. Exp Cell Res 2020; 389:111893. [PMID: 32035133 DOI: 10.1016/j.yexcr.2020.111893] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/29/2020] [Accepted: 02/04/2020] [Indexed: 01/01/2023]
Abstract
Compared with noninvasive tumor cells, glioma cells overexpress chemokine receptor type 4 (CXCR4), which exhibits significantly greater expression in invasive tumor cells than in noninvasive tumor cells. C-X-C motif chemokine ligand 12 (CXCL12, also known as stromal derived factor-1, SDF-1) and its cell surface receptor CXCR4 activate a signaling axis that induces the expression of membrane type-2 matrix metalloproteinase (MT2-MMP), which plays a pivotal role in the invasion and migration of various cancer cells; however, the specific mechanism involved in this is unclear. Recently, studies have shown that invadopodia can recruit and secrete related enzymes, such as matrix metalloproteinases (MMPs), to degrade the surrounding extracellular matrix (ECM), promoting the invasion and migration of tumor cells. Phosphorylated cortactin (pY421-cortactin) is required for the formation and maturation of invadopodia, but the upstream regulatory factors and kinases involved in phosphorylation have not been elucidated. In this study, we found that CXCL12/CXCR4 was capable of inducing glioma cell invadopodia formation, probably by regulating cortactin phosphorylation. The interaction of cortactin and Arg (also known as Abl-related nonreceptor tyrosine kinase, ABL2) in glioma cells was demonstrated. The silencing of Arg inhibited glioma cell invadopodia formation and invasion by blocking cortactin phosphorylation. Moreover, CXCL12 could not induce glioma cell invasion in Arg-knockdown glioma cells. Based on these results, it can be concluded that Arg mediates CXCL12/CXCR4-induced glioma cell invasion, and CXCL12/CXCR4 regulates invadopodia maturation through the Arg-cortactin pathway, which indicates that Arg could be a candidate therapeutic target to inhibit glioma cell invasion.
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Affiliation(s)
- Lei Chen
- Department of Neurosurgery, Tianjin First Central Hospital, Tianjin, 300192, PR China
| | - Meng Zhu
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, 266003, PR China
| | - Shengping Yu
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China
| | - Long Hai
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China
| | - Liang Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China
| | - Chen Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China
| | - Pengfei Zhao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China
| | - Hua Zhou
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China
| | - Song Wang
- Department of Neurosurgery, Tianjin First Central Hospital, Tianjin, 300192, PR China
| | - Xuejun Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, 300052, PR China.
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Ouhtit A, Thouta R, Zayed H, Gaur RL, Fernando A, Rahman M, Welsh DA. CD44 mediates stem cell mobilization to damaged lung via its novel transcriptional targets, Cortactin and Survivin. Int J Med Sci 2020; 17:103-111. [PMID: 31929744 PMCID: PMC6945551 DOI: 10.7150/ijms.33125] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 05/17/2019] [Indexed: 11/10/2022] Open
Abstract
Beyond their role in bone and lung homeostasis, mesenchymal stem cells (MSCs) are becoming popular in cell therapy. Various insults may disrupt the repair mechanisms involving MSCs. One such insult is smoking, which is a major risk factor for osteoporosis and respiratory diseases. Upon cigarette smoke-induced damage, a series of reparatory mechanisms ensue; one such mechanism involves Glycosaminoglycans (GAG). One of these GAGs, namely hyaluronic acid (HA), serves as a potential therapeutic target in lung injury. However, much of its mechanisms of action through its major receptor CD44 remains unexplored. Our previous studies have identified and functionally validated that both cortactin (CTTN: marker of motility) and Survivin (BIRC5: required for cell survival) act as novel HA/CD44-downstream transcriptional targets underpinning cell motility. Here, human MSCs were treated with "Water-pipe" smoke to investigate the effects of cigarette smoke condensate (CSC) on these HA-CD44 novel signaling pathways. Our results show that CSC decreased the expression of both CD44 and its downstream targets CTTN and BIRC5 in MSCs, and that HA reversed these effects. Interestingly, CSC inhibited migration and invasion of MSCs upon CD44-targeted RNAi treatment. This shows the importance of CD44-HA/CTTN and CD44-HA/BIRC5 signaling pathways in MSC motility, and further suggests that these signaling pathways may provide a novel mechanism implicated in migration of MSCs during repair of lung tissue injury. These findings suggest that one should use caution before utilizing MSC from donors with history of smoking, and further pave the way towards the development of targeted therapeutic approaches against CD44-associated diseases.
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Affiliation(s)
- Allal Ouhtit
- Department of Biological & Environmental Sciences, College of Arts & Sciences, Qatar University, Doha, Qatar
| | - Rajesh Thouta
- Department of Biological & Environmental Sciences, College of Arts & Sciences, Qatar University, Doha, Qatar
| | - Hatem Zayed
- Department of Biomedical Sciences, College of Health and Sciences, Qatar University, Doha, Qatar
| | - Rajiv L Gaur
- Department of Biological & Environmental Sciences, College of Arts & Sciences, Qatar University, Doha, Qatar
| | - Augusta Fernando
- Department of Biological & Environmental Sciences, College of Arts & Sciences, Qatar University, Doha, Qatar
| | - Mizanur Rahman
- Department of Biological & Environmental Sciences, College of Arts & Sciences, Qatar University, Doha, Qatar
| | - David A Welsh
- Section of Pulmonary/Critical Care Medicine and Allergy/Immunology, Louisiana State University Health Sciences Center, New Orleans, LA, 70112, USA
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Uzair ID, Flamini MI, Sanchez AM. Rapid Estrogen and Progesterone Signaling to Dendritic Spine Formation via Cortactin/Wave1-Arp2/3 Complex. Neuroendocrinology 2020; 110:535-551. [PMID: 31509830 DOI: 10.1159/000503310] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 09/11/2019] [Indexed: 11/19/2022]
Abstract
BACKGROUND Synaptic plasticity is the neuronal capacity to modify the function and structure of dendritic spines (DS) in response to neuromodulators. Sex steroids, particularly 17β-estradiol (E2) and progesterone (P4), are key regulators in the control of DS formation through multiprotein complexes including WAVE1 protein, and are thus fundamental for the development of learning and memory. OBJECTIVES The aim of this work was to evaluate the molecular switch Cdk5 kinase/protein phosphatase 2A (PP2A) in the control of WAVE1 protein (phosphorylation/dephosphorylation) and the regulation of WAVE1 and cortactin to the Arp2/3 complex, in response to rapid treatments with E2 and P4 in cortical neuronal cells. RESULTS Rapid treatment with E2 and P4 modified neuronal morphology and significantly increased the number of DS. This effect was reduced by the use of a Cdk5 inhibitor (Roscovitine). In contrast, inhibition of PP2A with PP2A dominant negative construct significantly increased DS formation, evidencing the participation of kinase/phosphatase in the regulation of WAVE1 in DS formation induced by E2 and P4. Cortactin regulates DS formation via Src and PAK1 kinase induced by E2 and P4. Both cortactin and WAVE1 signal to Arp2/3 complex to synergistically promote actin nucleation. CONCLUSION These results suggest that E2 and P4 dynamically regulate neuron morphology through nongenomic signaling via cortactin/WAVE1-Arp2/3 complex. The control of these proteins is tightly orchestrated by phosphorylation, where kinases and phosphatases are essential for actin nucleation and, finally, DS formation. This work provides a deeper understanding of the biological actions of sex steroids in the regulation of DS turnover and neuronal plasticity processes.
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Affiliation(s)
- Ivonne Denise Uzair
- Laboratory of Signal Transduction and Cell Movement, Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Scientific and Technical Research Council (CONICET), Mendoza, Argentina
| | - Marina Ines Flamini
- Laboratory of Signal Transduction and Cell Movement, Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Scientific and Technical Research Council (CONICET), Mendoza, Argentina
| | - Angel Matias Sanchez
- Laboratory of Signal Transduction and Cell Movement, Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Scientific and Technical Research Council (CONICET), Mendoza, Argentina,
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Weeber F, Becher A, Seibold T, Seufferlein T, Eiseler T. Concerted regulation of actin polymerization during constitutive secretion by cortactin and PKD2. J Cell Sci 2019; 132:jcs.232355. [PMID: 31727638 DOI: 10.1242/jcs.232355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 11/07/2019] [Indexed: 12/27/2022] Open
Abstract
Constitutive secretion from the trans-Golgi-network (TGN) is facilitated by a concerted regulation of vesicle biogenesis and fission processes. The protein kinase D family (PKD) has been previously described to enhance vesicle fission by modifying the lipid environment. PKD also phosphorylates the actin regulatory protein cortactin at S298 to impair synergistic actin polymerization. We here report additional functions for PKD2 (also known as PRKD2) and cortactin in the regulation of actin polymerization during the fission of transport carriers from the TGN. Phosphorylation of cortactin at S298 impairs the interaction between WIP (also known as WIPF1) and cortactin. WIP stabilizes the autoinhibited conformation of N-WASP (also known as WASL). This leads to an inhibition of synergistic Arp2/3-complex-dependent actin polymerization at the TGN. PKD2 activity at the TGN is controlled by active CDC42-GTP which directly activates N-WASP, inhibits PKD2 and shifts the balance to non-S298-phosphorylated cortactin, which can in turn sequester WIP from N-WASP. Consequently, synergistic actin polymerization at the TGN and constitutive secretion are enhanced.
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Affiliation(s)
- Florian Weeber
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany
| | - Alexander Becher
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany
| | - Tanja Seibold
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany
| | - Thomas Seufferlein
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany
| | - Tim Eiseler
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, D-89081 Ulm, Germany
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Chánez-Paredes S, Montoya-García A, Schnoor M. Cellular and pathophysiological consequences of Arp2/3 complex inhibition: role of inhibitory proteins and pharmacological compounds. Cell Mol Life Sci 2019; 76:3349-3361. [PMID: 31073744 DOI: 10.1007/s00018-019-03128-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/30/2019] [Accepted: 05/02/2019] [Indexed: 02/06/2023]
Abstract
The actin-related protein complex 2/3 (Arp2/3) generates branched actin networks important for many cellular processes such as motility, vesicular trafficking, cytokinesis, and intercellular junction formation and stabilization. Activation of Arp2/3 requires interaction with actin nucleation-promoting factors (NPFs). Regulation of Arp2/3 activity is achieved by endogenous inhibitory proteins through direct binding to Arp2/3 and competition with NPFs or by binding to Arp2/3-induced actin filaments and disassembly of branched actin networks. Arp2/3 inhibition has recently garnered more attention as it has been associated with attenuation of cancer progression, neurotoxic effects during drug abuse, and pathogen invasion of host cells. In this review, we summarize current knowledge on expression, inhibitory mechanisms and function of endogenous proteins able to inhibit Arp2/3 such as coronins, GMFs, PICK1, gadkin, and arpin. Moreover, we discuss cellular consequences of pharmacological Arp2/3 inhibition.
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Affiliation(s)
- Sandra Chánez-Paredes
- Department for Molecular Biomedicine, CINVESTAV-IPN, Av. IPN 2508, San Pedro Zacatenco, GAM, 07360, Mexico City, Mexico
| | - Armando Montoya-García
- Department for Molecular Biomedicine, CINVESTAV-IPN, Av. IPN 2508, San Pedro Zacatenco, GAM, 07360, Mexico City, Mexico
| | - Michael Schnoor
- Department for Molecular Biomedicine, CINVESTAV-IPN, Av. IPN 2508, San Pedro Zacatenco, GAM, 07360, Mexico City, Mexico.
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Abstract
Around 20% of patients with myasthenia gravis are acetylcholine receptor antibody negative; muscle-specific tyrosine kinase antibodies (MuSK) were identified as the cause of myasthenia gravis in 30% to 40% of these cases. Anti MuSK myasthenia gravis is associated with specific clinical phenotypes. One is a bulbar form with fewer ocular symptoms. Others show an isolated head drop or symptoms indistinguishable from acetylcholine receptor-positive myasthenia gravis. These patients usually respond well to immunosuppressive therapy, but not as well to cholinesterase inhibitors. Other antibodies associated with myasthenia gravis, including low-density lipoprotein receptor-related protein 4, are discussed.
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Affiliation(s)
- Michael H Rivner
- EMG Lab, Augusta University, 1120 15th Street, BP-4390, Augusta, GA 30912, USA.
| | - Mamatha Pasnoor
- Department of Neurology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS 66160, USA
| | - Mazen M Dimachkie
- Department of Neurology, University of Kansas Medical Center, 3599 Rainbow Boulevard, Mail Stop 2012, Kansas City, KS 66103, USA
| | - Richard J Barohn
- Department of Neurology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Mail Stop 4017, Kansas City, KS 66160, USA
| | - Lin Mei
- Department of Neuroscience and Regenerative Medicine, Augusta University, 1120 15th Street, CA-2014, Augusta, GA 30912, USA
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O'Connell ME, Sridharan D, Driscoll T, Krishnamurthy I, Perry WG, Applewhite DA. The Drosophila protein, Nausicaa, regulates lamellipodial actin dynamics in a Cortactin-dependent manner. Biol Open 2019; 8:bio.038232. [PMID: 31164339 PMCID: PMC6602326 DOI: 10.1242/bio.038232] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Drosophila CG10915 is an uncharacterized protein coding gene with sequence similarity to human Cortactin-binding protein 2 (CTTNBP2) and Cortactin-binding protein 2 N-terminal-like (CTTNBP2NL). Here, we have named this gene Nausicaa (naus) and characterize it through a combination of quantitative live-cell total internal reflection fluorescence microscopy, electron microscopy, RNAi depletion and genetics. We found that Naus co-localizes with F-actin and Cortactin in the lamellipodia of Drosophila S2R+ and D25c2 cells and this localization is lost following Cortactin or Arp2/3 depletion or by mutations that disrupt a conserved proline patch found in its mammalian homologs. Using permeabilization activated reduction in fluorescence and fluorescence recovery after photobleaching, we find that depletion of Cortactin alters Naus dynamics leading to a decrease in its half-life. Furthermore, we discovered that Naus depletion in S2R+ cells led to a decrease in actin retrograde flow and a lamellipodia characterized by long, unbranched filaments. We demonstrate that these alterations to the dynamics and underlying actin architecture also affect D25c2 cell migration and decrease arborization in Drosophila neurons. We present the hypothesis that Naus functions to slow Cortactin's disassociation from Arp2/3 nucleated branch junctions, thereby increasing both branch nucleation and junction stability.
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Affiliation(s)
- Meghan E O'Connell
- Department of Biology, Reed College, Portland, Oregon 97202, USA.,Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, Illinois 60637, USA
| | - Divya Sridharan
- Department of Biology, Reed College, Portland, Oregon 97202, USA.,Department of Biology, Boston College, Chestnut Hill, Massachusetts 02467, USA
| | - Tristan Driscoll
- Department of Cardiovascular Medicine, Yale University, New Haven, Connecticut 06511, USA
| | | | - Wick G Perry
- Department of Biology, Reed College, Portland, Oregon 97202, USA
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Zhu L, Cho E, Zhao G, Roh MR, Zheng Z. The Pathogenic Effect of Cortactin Tyrosine Phosphorylation in Cutaneous Squamous Cell Carcinoma. In Vivo 2019; 33:393-400. [PMID: 30804117 DOI: 10.21873/invivo.11486] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 11/21/2018] [Accepted: 11/22/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND/AIM Cortactin (CTTN) has been considered a promising molecular prognostic factor in various types of cancers. In this study, we aimed to investigate the role of CTTN in the pathogenesis of cutaneous squamous cell carcinoma (CSCC). MATERIALS AND METHODS CTTN and phospho-CTTN (p-CTTN) expression was determined in 10 healthy controls and 38 CSCC tissue samples by immunohistochemistry. The influence of CTTN on the biological behavior of CSCC cells was also investigated. RESULTS p-CTTN expression was significantly increased in CSCC than control samples. In contrast, no significant difference in CTTN expression was found between control and CSCC tissues. Moreover, a significant association was found between recurrence-free survival with p-CTTN expression, but not with CTTN expression. Furthermore, the proliferative, migratory, and invasive abilities of CSCC cells were significantly decreased by CTTN-siRNA transfection. CONCLUSION CTTN phosphorylation is strongly associated with CSCC pathogenesis and may serve as a molecular biomarker of CSCC.
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Affiliation(s)
- Lianhua Zhu
- Department of Dermatology, Yanbian University Hospital, Yanji, P.R. China
| | - Eunae Cho
- Department of Oral Pathology, Oral Cancer Research Institute, Yonsei University College of Dentistry, Seoul, Republic of Korea
| | - Guohua Zhao
- Department of Dermatology, Yanbian University Hospital, Yanji, P.R. China
| | - Mi Ryung Roh
- Department of Dermatology, Severance Hospital, Seoul, Republic of Korea
| | - Zhenlong Zheng
- Department of Dermatology, Yanbian University Hospital, Yanji, P.R. China .,Department of Dermatology, International St. Mary's Hospital, Catholic Kwandong University, College of Medicine, Incheon, Republic of Korea
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Sa G, Liu Z, Ren J, Wan Q, Xiong X, Yu Z, Chen H, Zhao Y, He S. Keratinocyte growth factor (KGF) induces podosome formation via integrin-Erk1/2 signaling in human immortalized oral epithelial cells. Cell Signal 2019; 61:39-47. [PMID: 31082464 DOI: 10.1016/j.cellsig.2019.05.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 05/08/2019] [Accepted: 05/09/2019] [Indexed: 01/21/2023]
Abstract
Recent study established the role of integrins in keratinocyte growth factor (KGF)-induced oral epithelial adhesion and rete peg elongation. However, how extracellular matrix (ECM) remodeling cooperates with the increased epithelial adhesion during rete peg elongation has yet to be determined. Podosomes are cell-matrix contact structures that combine several abilities, including adhesion and matrix degradation. In the present study, we identified podosome formation at the ventral side of human immortalized oral epithelial cells (HIOECs) upon KGF treatment. Moreover, podosomal components including integrin α6,β4,α3,β1 and MMP14 colocalized with the F-actin-cortactin complex and matrix degradation assays demonstrated the ability of the F-actin-cortactin complex to degrade matrix. Inhibition both of integrin subunits β4 and β1 with specific blocking antibodies and inhibition of Erk1/2 abrogated the KGF-induced podosome formation. Notably, knockdown of integrin subunits β4 and β1 with specific small interfering RNA (siRNA) downregulated the phosphorylation levels of Erk1/2. In contrast, inhibition of both Erk1/2 could upregulate the expression of integrin subunits β4 and β1. These results demonstrate that KGF induces podosome formation via integrin-Erk1/2 signaling in HIOECs, suggesting a novel mechanism by which integrins enhance oral epithelial adhesion and rete peg elongation.
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Stock K, Borrink R, Mikesch JH, Hansmeier A, Rehkämper J, Trautmann M, Wardelmann E, Hartmann W, Sperveslage J, Steinestel K. Overexpression and Tyr421-phosphorylation of cortactin is induced by three-dimensional spheroid culturing and contributes to migration and invasion of pancreatic ductal adenocarcinoma (PDAC) cells. Cancer Cell Int 2019; 19:77. [PMID: 30976201 PMCID: PMC6441202 DOI: 10.1186/s12935-019-0798-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 03/23/2019] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND The nucleation-promoting factor cortactin is expressed and promotes tumor progression and metastasis in various cancers. However, little is known about the biological role of cortactin in the progression of pancreatic ductal adenocarcinoma (PDAC). METHODS Cortactin and phosphorylated cortactin (Y421) were investigated immunohistochemically in 66 PDAC tumor specimens. To examine the functional role of cortactin in PDAC, we modulated cortactin expression by establishing two cortactin knockout cell lines (Panc-1 and BxPC-3) with CRISPR/Cas9 technique. Cortactin knockout was verified by immunoblotting and immunofluorescence microscopy and functional effects were determined by cell migration and invasion assays. A proteomic screening approach was performed to elucidate potential binding partners of cortactin. RESULTS Immunohistochemically, we observed higher cortactin expression and Tyr421-phosphorylation in PDAC metastases compared to primary tumor tissues. In PDAC cell lines Panc-1 and BxPC-3, knockdown of cortactin impaired migration and invasion, while cell proliferation was not affected. Three-dimensional spheroid culturing as a model for collective cell migration enhanced cortactin expression and Tyr421-phosphorylation. The activation of cortactin as well as the migratory capacity of PDAC cells could significantly be reduced by dasatinib, a Src family kinase inhibitor. Finally, we identified gelsolin as a novel protein interaction partner of cortactin in PDAC. CONCLUSION Our data provides evidence that cohesive cell migration induces cortactin expression and phosphorylation as a prerequisite for the gain of an invasive, pro-migratory phenotype in PDAC that can effectively be targeted with dasatinib.
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Affiliation(s)
- Katharina Stock
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Rebekka Borrink
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | | | - Anna Hansmeier
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Jan Rehkämper
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Marcel Trautmann
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
- Division of Translational Pathology, Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Eva Wardelmann
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Wolfgang Hartmann
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
- Division of Translational Pathology, Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Jan Sperveslage
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Konrad Steinestel
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
- Institute of Pathology and Molecular Pathology, Bundeswehrkrankenhaus Ulm, Ulm, Germany
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Shi P, Wang Y, Huang Y, Zhang C, Li Y, Liu Y, Li T, Wang W, Liang X, Wu C. Arp2/3-branched actin regulates microtubule acetylation levels and affects mitochondrial distribution. J Cell Sci 2019; 132:jcs.226506. [PMID: 30782777 DOI: 10.1242/jcs.226506] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 02/05/2019] [Indexed: 12/11/2022] Open
Abstract
Actin and microtubule cytoskeletons regulate cell morphology, participate in organelle trafficking and function in response to diverse environmental cues. Precise spatial-temporal coordination between these two cytoskeletons is essential for cells to live and move. Here, we report a novel crosstalk between actin and microtubules, in which the branched actin maintains microtubule organization, dynamics and stability by affecting tubulin acetylation levels. We observed that acetylated tubulin significantly decreases upon perturbation of the Arp2/3-branched actin. We subsequently discover that HDAC6 participates in this process by altering its interaction with tubulin and the Arp2/3-stabilizer cortactin. We further identify that the homeostasis of branched actin controls mitochondrial distribution via this microtubule acetylation-dependent mechanism. Our findings shed new light on the integral view of cytoskeletal networks, highlighting post-translational modification as another possible form of cytoskeletal inter-regulation, aside from the established crosstalks through structural connection or upstream signaling pathways.
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Affiliation(s)
- Peng Shi
- Institute of Systems Biomedicine, Peking University Health Science Center, Beijing 100191, China
| | - Yuan Wang
- Institute of Systems Biomedicine, Peking University Health Science Center, Beijing 100191, China
| | - Yuxing Huang
- Institute of Systems Biomedicine, Peking University Health Science Center, Beijing 100191, China
| | - Chunlei Zhang
- Institute of Systems Biomedicine, Peking University Health Science Center, Beijing 100191, China
| | - Ying Li
- Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Yaoping Liu
- Institute of Microelectronics, Peking University, Beijing 100871, China
| | - Tingting Li
- Department of Biomedical Informatics, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - Wei Wang
- Institute of Microelectronics, Peking University, Beijing 100871, China
| | - Xin Liang
- Tsinghua-Peking Joint Center for Life Sciences and Max-Plank Partner Group, School of Life Science, Tsinghua University, Beijing 100084, China
| | - Congying Wu
- Institute of Systems Biomedicine, Peking University Health Science Center, Beijing 100191, China
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Lang L, Hou Y, Chen Y, Tu G, Tao J, Yang D, Xi L, Fu L, Sun K, Yin J, Chen R, Peng M, Liu S, Liu M. ATM-Mediated Phosphorylation of Cortactin Involved in Actin Polymerization Promotes Breast Cancer Cells Migration and Invasion. Cell Physiol Biochem 2018; 51:2972-2988. [PMID: 30562756 DOI: 10.1159/000496048] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 12/06/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS The ataxia-telangiectasia mutated (ATM) protein kinase is critical for the maintenance of genomic stability and acts as tumor suppressor. Although evidence shows that a DNA damage-independent ATM (oxidized ATM) may be involved in cancer progression, the underlying mechanism is still unclear. METHODS Immunohistochemistry, immunofluorescence and western blotting were applied to detect the levels of oxidized ATM. Transwell assay was used to detect the cell migration and invasion abilities in different treatments. Quantitative phosphoproteome analysis was performed using hypoxic BT549 cells, in the presence or absence of Ku60019, a specific inhibitor of ATM kinase. The phosphorylated cortactin, the target protein of oxidized ATM, was confirmed by immunoprecipitation-western blots and in vitro kinase assay. The functions of phosphorylated cortactin were studied by specific short hairpin RNA, site-directed mutation, transwell assay, and actin polymerization assay. RESULTS Enhanced oxidized ATM proteins were present not only in the advanced and invasive breast tumor tissues but also malignant hypoxic breast cancer cells, in the absence of DNA damage. Loss of ATM expression or inhibiting oxidized ATM kinase activity reduced breast cancer cell migration and invasion. Using quantitative phosphoproteomics approach, 333 oxidized ATM target proteins were identified, some of these proteins govern key signaling associated with gap junction, focal adhesion, actin cytoskeleton rearrangement. Cortactin, one of the biggest changed phospho-protein, is a novel oxidized ATM-dependent target in response to hypoxia. Mechanically, we reveal that hypoxia-activated ATM can enhance the binding affinity of cortactin with Arp2/3 complex by phosphorylating cortactin at serine 113, and as a result, in favor of breast cancer cell migration and invasion. CONCLUSION Oxidized ATM can phosphorylate cortactin at serine 113, playing a critical role in promoting breast tumor cell mobility and invasion via actin polymerization.
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Affiliation(s)
- Lei Lang
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Yixuan Hou
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China.,Experimental Teaching Center of Basic Medicine Science, Chongqing Medical University, Chongqing, China
| | - Yanlin Chen
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Gang Tu
- Department of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jing Tao
- Department of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Dan Yang
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Lei Xi
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Lixin Fu
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Kexin Sun
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Jiali Yin
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Rui Chen
- Department of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Meixi Peng
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Shuiqing Liu
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing, China
| | - Manran Liu
- Key Laboratory of Laboratory Medical Diagnostics, Chinese Ministry of Education, Chongqing Medical University, Chongqing,
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Pizzi M, Trentin L, Visentin A, Saraggi D, Martini V, Guzzardo V, Righi S, Frezzato F, Piazza F, Sabattini E, Semenzato G, Rugge M. Cortactin expression in non-Hodgkin B-cell lymphomas: a new marker for the differential diagnosis between chronic lymphocytic leukemia and mantle cell lymphoma. Hum Pathol 2018; 85:251-259. [PMID: 30458196 DOI: 10.1016/j.humpath.2018.10.038] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 10/24/2018] [Accepted: 10/31/2018] [Indexed: 11/29/2022]
Abstract
Cortactin is a cytoskeletal-remodeling adaptor protein, playing an oncogenic role in solid tumors. Little is known on cortactin expression in non-Hodgkin B-cell lymphomas (B-NHLs). The present study aimed to characterize cortactin expression in B-NHLs and to assess its role in the differential diagnosis of such entities. Cortactin protein expression was first assessed by immunohistochemistry in a series of 131 B-NHLs, including B-cell chronic lymphocytic leukemia (CLL; n = 17), mantle cell lymphoma (MCL; n = 16), follicular lymphoma (FL; n = 25), marginal zone lymphoma (MZL; n = 30), hairy cell leukemia (HCL; n = 10), splenic diffuse red pulp small B-cell lymphomas (SDRPBL; n = 3), and diffuse large B-cell lymphoma (DLBCL; n = 30) cases. Cortactin was expressed in 14 of 17 CLLs, 10 of 10 HCLs, and 22 of 30 DLBCLs. MCLs, SDRPBLs, most FLs, and MZLs were cortactin negative. The immunohistochemical results were in keeping with in silico gene expression data. In CLL, cortactin positivity did correlate with LEF1 and CD200 expression, and the combined positivity for ≥2 markers strongly predicted CLL diagnosis. Such preliminary data suggested a role for cortactin in the differential diagnosis between CLL and MCL. This hypothesis was confirmed in a large validation set of 112 CLLs (n = 55) and MCLs (n = 57), which also disclosed rare cortactin-expressing MCLs. The immunohistochemical and gene expression results were sustained by flow cytometry and Western blot analysis on CLL and MCL cell lines. In conclusion, cortactin is mainly expressed in subsets of CLL and DLBCL and in HCL. Cortactin may represent a novel marker for the differential diagnosis between CLL and MCL.
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Affiliation(s)
- Marco Pizzi
- General Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35121 Italy.
| | - Livio Trentin
- Hematology and Clinical Immunology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35128 Italy
| | - Andrea Visentin
- Hematology and Clinical Immunology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35128 Italy
| | - Deborah Saraggi
- General Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35121 Italy
| | - Veronica Martini
- Hematology and Clinical Immunology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35128 Italy
| | - Vincenza Guzzardo
- General Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35121 Italy
| | - Simona Righi
- Hematopathology Unit, Department of Hematology and Oncology, Sant'Orsola University Hospital, Bologna, 40138 Italy; Department of Experimental Diagnostic and Specialty Medicine, Sant'Orsola University Hospital, Bologna, 40138 Italy
| | - Federica Frezzato
- Hematology and Clinical Immunology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35128 Italy
| | - Francesco Piazza
- Hematology and Clinical Immunology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35128 Italy
| | - Elena Sabattini
- Hematopathology Unit, Department of Hematology and Oncology, Sant'Orsola University Hospital, Bologna, 40138 Italy; Department of Experimental Diagnostic and Specialty Medicine, Sant'Orsola University Hospital, Bologna, 40138 Italy
| | - Gianpietro Semenzato
- Hematology and Clinical Immunology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35128 Italy
| | - Massimo Rugge
- General Pathology and Cytopathology Unit, Department of Medicine-DIMED, University of Padova, Padova, 35121 Italy
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Chen YC, Baik M, Byers JT, Chen KT, French SW, Díaz B. TKS5-positive invadopodia-like structures in human tumor surgical specimens. Exp Mol Pathol 2018; 106:17-26. [PMID: 30439350 DOI: 10.1016/j.yexmp.2018.11.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/02/2018] [Accepted: 11/09/2018] [Indexed: 12/15/2022]
Abstract
Invadopodia, cancer cell protrusions with proteolytic activity, are functionally associated with active remodeling of the extracellular matrix. Here, we show that the invadopodia-related protein TKS5 is expressed in human pancreatic adenocarcinoma lines, and demonstrate that pancreatic cancer cells depend on TKS5 for invadopodia formation and function. Immunofluorescence staining of human pancreatic cancer cells reveals that TKS5 is a marker of mature and immature invadopodia. We also analyze the co-staining patterns of TKS5 and the commonly used invadopodia marker Cortactin, and find only partial co-localization of these two proteins at invadopodia, with a large fraction of TKS5-positive invadopodia lacking detectable levels of Cortactin. Whereas compelling evidence exist on the role of invadopodia as mediators of invasive migration in cultured cells and in animal models of cancer, these structures have never been detected inside human tumors. Here, using antibodies against TKS5 and Cortactin, we describe for the first time structures strongly resembling invadopodia in various paraffin-embedded human tumor surgical specimens from pancreas and other organs. Our results strongly suggest that invadopodia are present inside human tumors, and warrants further investigation on their regulation and occurrence in surgical specimens, and on the value of TKS5 antibodies as pathological research and diagnostic tools.
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Affiliation(s)
- Yu-Chuan Chen
- Division on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Matthew Baik
- Division on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Joshua T Byers
- Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Kathryn T Chen
- Department of Surgery, Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Samuel W French
- Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Begoña Díaz
- Division on Medical Oncology Hematology, Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Torrance, CA, USA; David Geffen School of Medicine at UCLA, Los Angeles, CA, USA; Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, CA, USA.
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Abstract
The pulmonary endothelial cell forms a critical semi-permeable barrier between the vascular and interstitial space. As part of the blood-gas barrier in the lung, the endothelium plays a key role in normal physiologic function and pathologic disease. Changes in endothelial cell shape, defined by its plasma membrane, determine barrier integrity. A number of key cytoskeletal regulatory and effector proteins including non-muscle myosin light chain kinase, cortactin, and Arp 2/3 mediate actin rearrangements to form cortical and membrane associated structures in response to barrier enhancing stimuli. These actin formations support and interact with junctional complexes and exert forces to protrude the lipid membrane to and close gaps between individual cells. The current knowledge of these cytoskeletal processes and regulatory proteins are the subject of this review. In addition, we explore novel advancements in cellular imaging that are poised to shed light on the complex nature of pulmonary endothelial permeability.
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Abstract
Histone acetylation and deacetylation are important epigenetic mechanisms that regulate gene expression and transcription. Histone deacetylase 6 (HDAC6) is a unique member of the HDAC family that not only participates in histone acetylation and deacetylation but also targets several nonhistone substrates, such as α-tubulin, cortactin, and heat shock protein 90 (HSP90), to regulate cell proliferation, metastasis, invasion, and mitosis in tumors. Furthermore, HDAC6 also upregulates several critical factors in the immune system, such as program death receptor-1 (PD-1) and program death receptor ligand-1 (PD-L1) receptor, which are the main targets for cancer immunotherapy. Several selective HDAC6 inhibitors are currently in clinical trials for cancer treatment and bring hope for patients with malignant tumors. A fuller understanding of HDAC6 as a critical regulator of many cellular pathways will help further the development of targeted anti-HDAC6 therapies. Here, we review the unique features of HDAC6 and its role in cancer, which make HDAC6 an appealing drug target.
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Affiliation(s)
- Ting Li
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.,National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China
| | - Chao Zhang
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.,National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China
| | - Shafat Hassan
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.,National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.,International Medical School, Tianjin Medical University, Tianjin, 300061, People's Republic of China
| | - Xinyue Liu
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.,National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China
| | - Fengju Song
- Department of Epidemiology and Biostatistics, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China
| | - Kexin Chen
- Department of Epidemiology and Biostatistics, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China
| | - Wei Zhang
- Cancer Genomics and Precision Medicine, Wake Forest Baptist Comprehensive Cancer Center, Winston-Salem, NC, USA
| | - Jilong Yang
- Department of Bone and Soft Tissue Tumor, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China. .,National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, People's Republic of China.
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Lien CF, Hwang TZ, Lin TM, Liu KW, Lin BS, Wang CC, Yang CC, Yeh SA. Cortactin as a potential predictor of second esophageal neoplasia in hypopharyngeal carcinoma. Auris Nasus Larynx 2019; 46:260-6. [PMID: 30107961 DOI: 10.1016/j.anl.2018.08.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Revised: 06/22/2018] [Accepted: 08/01/2018] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Hypopharyngeal carcinoma has a very poor prognosis. The high incidence of second esophageal neoplasia is one of the major causes. To establish an efficient follow-up scheme for increasing the diagnostic yield and reducing the adverse impact of second esophageal neoplasia on survival, the purpose of this study was to explore a biomarker to predict second esophageal neoplasia. METHODS In this retrospective cohort study, consecutive tissue specimens from those patients who underwent tumor resection between September 2007 and October 2015 were collected. Gene amplification was performed by real-time PCR. The expression of cortactin was evaluated by immunohistochemistry. The predictive risk factors of developing second esophageal neoplasia and prognostic factors related to survival were analyzed. RESULTS A total of 187 patients were included with a mean follow-up of 48months (12-118months). Second esophageal tumors were found in 53 (28.3%), including 41 (21.9%) esophageal squamous cell carcinoma and 12 severe dysplasia. The results of multivariate analyses revealed that age (OR 2.81, 95% CI 1.16-6.78), cortactin overexpression (OR 2.49, 95% CI 1.17-5.33), and stage IV versus I (OR 6.49, 95% CI 1.68-25.18) were independent predictors of second esophageal neoplasia, and second esophageal neoplasia (HR 1.78, 95% CI 1.05-3.01) was an independent predictor of overall survival. CONCLUSION This is the first report to identify a potential biomarker for predicting second esophageal neoplasia in patients with hypopharyngeal carcinoma. In those patients with cortactin overexpression and younger age (≤60years old), close surveillance for second esophageal neoplasia is required. In addition, the real effect of cortactin overexpression on development of primary esophageal carcinoma is required to be validated in a large cohort study.
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Li Y, Zhang H, Gong H, Yuan Y, Li Y, Wang C, Li W, Zhang Z, Liu M, Liu H, Chen J. miR-182 suppresses invadopodia formation and metastasis in non-small cell lung cancer by targeting cortactin gene. J Exp Clin Cancer Res 2018; 37:141. [PMID: 29986736 DOI: 10.1186/s13046-018-0824-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 07/03/2018] [Indexed: 12/18/2022]
Abstract
Background Metastasis is the leading cause of cancer mortality and is a major hurdle for lung cancer treatment. Invadopodia, which are cancer-specific protrusive structures, play a crucial role in the metastatic cascade through degradation of the basement membrane and surrounding stroma. Cortactin, a critical component of invadopodia, frequently used as an invadopodia marker, a universally important player in invadopodia function, and is frequently overexpressed in cancer, but the exact mechanism of regulation is not yet fully understood. Methods The expression level of CTTN in human non-small cell lung cancer (NSCLC) tissues was detected by qRT-PCR. Cell migration, invasion and invadopodia formation were assessed in vitro by wound-healing, transwell assay and immunofluorescence, respectively. The dual-luciferase reporter assay was used to identify the direct target of miR-182. Results Hepatocyte growth factor (HGF) and phorbol 12,13-dibutyrate (PDBu) can induce CTTN expression, motility, and invasion ability, as well as invadopodia formation in non-small cell lung cancer (NSCLC). Moreover, miR-182 suppressed metastasis and invadopodia formation by targeting CTTN in NSCLC. Our qRT-PCR results showed that CTTN expression was inversely correlated with miR-182 expression that suppressed invadopodia formation via suppression of the Cdc42/N-WASP pathway. Furthermore, miR-182 negatively regulated invadopodia function, and suppressed extracellular matrix(ECM) degradation in lung cancer cells by inhibiting cortactin. Conclusion Collectively, our results demonstrated that miR-182 targeted CTTN gene in NSCLC and suppressed lung cancer invadopodia formation, and thus suppressed lung cancer metastasis. This suggests a therapeutic application of miR-182 in NSCLC. Electronic supplementary material The online version of this article (10.1186/s13046-018-0824-1) contains supplementary material, which is available to authorized users.
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Brescia G, Parrino D, Nicolè L, Zanotti C, Lanza C, Barion U, Marino F, Marioni G. Cortactin expression in nasal polyps of Aspirin-Exacerbated Respiratory Disease (AERD) patients. Am J Otolaryngol 2018. [PMID: 29534838 DOI: 10.1016/j.amjoto.2018.03.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
PURPOSE The term aspirin-exacerbated respiratory disease (AERD) refers to a combination of asthma, chronic rhinosinusitis with nasal polyposis (CRSwNP), and acute respiratory tract reactions to nonsteroidal anti-inflammatory drugs. AERD has now been included among the CRSwNP endotypes, and is considered one of the most aggressive in terms of disease recurrence. Cortactin is a multi-domain protein with a part in several cellular mechanisms involving actin assembly and cytoskeleton arrangement. Cortactin seems to have a role in inflammatory responses and to be implicated in human airway secretion and contraction mechanisms. The novel aim of the present study was to examine cortactin expression in nasal polyps of a consecutive cohort of AERD patients and in nasal mucosa of a control group of patients. MATERIALS AND METHODS Cortactin expression was assessed immunohistochemically in nasal polyps from 18 consecutive AERD patients who underwent endoscopic sinus surgery and in nasal mucosa of 19 patients without chronic rhinosinusitis. RESULTS Concomitant allergy was found in 11 AERD patients, most of them male (8 cases; p = 0.02). Cortactin expression in nasal polyps was definitely high (+3) in 17 out of 18 cases, in both epithelial cells (cytoplasmic and membranous immunoreactivity) and activated fibroblasts. A higher cortactin expression was seen in female than in male AERD patients (p = 0.05). CONCLUSIONS Given this preliminary evidence of cortactin upregulation in the polyps of AERD patients, prospective studies could further investigate the role of cortactin in the biology of AERD, and the potential role of cortactin-targeted approaches in integrated AERD treatments.
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