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Dinteren SV, Araya-Cloutier C, Robaczewska E, den Otter M, Witkamp R, Vincken JP, Meijerink J. Switching the polarity of mouse enteroids affects the epithelial interplay with prenylated phenolics from licorice ( Glycyrrhiza) roots. Food Funct 2024; 15:1852-1866. [PMID: 38086658 DOI: 10.1039/d3fo02961a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
The utility of 3D-small intestinal organoid (enteroid) models for evaluating effects of e.g. food (related) compounds is limited due to the apical epithelium facing the interior. To overcome this limitation, we developed a novel 3D-apical-out enteroid model for mice, which allows apical exposure. Using this model, we evaluated the effects on the enteroids' intestinal epithelium (including cytotoxicity, cell viability, and biotransformation) after exposure to glabridin, a prenylated secondary metabolite with antimicrobial properties from licorice roots (Glycyrrhiza glabra). Apical-out enteroids were five times less sensitive to glabridin exposure compared to conventional apical-in enteroids, with obtained cytotoxicities of 1.5 mM and 0.31 mM, respectively. Apical-out enteroids showed a luminal/apical layer of fucose rich mucus, which may contribute to the protection against potential cytotoxicity of glabridin. Furthermore, in apical-in enteroids IC50 values for cytotoxicity were determined for licochalcone A, glycycoumarin, and glabridin, the species-specific prenylated phenolics from the commonly used G. inflata, G. uralensis, and G. glabra, respectively. Both enteroid models differed in their functional phase II biotransformation capacity, where glabridin was transformed to glucuronide- and sulfate-conjugates. Lastly, our results indicate that the prenylated phenolics do not show cytotoxicity in mouse enteroids at previously reported minimum inhibitory concentrations (MICs) against a diverse set of Gram positive bacteria. Altogether, we show that apical-out enteroids provide a better mimic of the gastrointestinal tract compared to conventional enteroids and are consequently a superior model to study effects of food (related) compounds. This work revealed that prenylated phenolics with promising antibacterial activity show no harmful effects in the GI-tract at their MICs and therefore may offer a new perspective to control unwanted microbial growth.
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Affiliation(s)
- Sarah van Dinteren
- Division of Human Nutrition and Health, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands.
- Laboratory of Food Chemistry, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands
| | - Carla Araya-Cloutier
- Laboratory of Food Chemistry, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands
| | - Edyta Robaczewska
- Division of Human Nutrition and Health, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands.
| | - Mellody den Otter
- Division of Human Nutrition and Health, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands.
| | - Renger Witkamp
- Division of Human Nutrition and Health, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands.
| | - Jean-Paul Vincken
- Laboratory of Food Chemistry, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands
| | - Jocelijn Meijerink
- Division of Human Nutrition and Health, Wageningen University, P.O. box 17, 6700 AA Wageningen, The Netherlands.
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Cooke M, Zhang S, Cornejo Maciel F, Kazanietz MG. Gi/o GPCRs drive the formation of actin-rich tunneling nanotubes in cancer cells via a Gβγ/PKCα/FARP1/Cdc42 axis. J Biol Chem 2023; 299:104983. [PMID: 37390986 PMCID: PMC10374973 DOI: 10.1016/j.jbc.2023.104983] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/02/2023] Open
Abstract
The functional association between stimulation of G-protein-coupled receptors (GPCRs) by eicosanoids and actin cytoskeleton reorganization remains largely unexplored. Using a model of human adrenocortical cancer cells, here we established that activation of the GPCR OXER1 by its natural agonist, the eicosanoid 5-oxo-eicosatetraenoic acid, leads to the formation of filopodia-like elongated projections connecting adjacent cells, known as tunneling nanotube (TNT)-like structures. This effect is reduced by pertussis toxin and GUE1654, a biased antagonist for the Gβγ pathway downstream of OXER1 activation. We also observed pertussis toxin-dependent TNT biogenesis in response to lysophosphatidic acid, indicative of a general response driven by Gi/o-coupled GPCRs. TNT generation by either 5-oxo-eicosatetraenoic acid or lysophosphatidic acid is partially dependent on the transactivation of the epidermal growth factor receptor and impaired by phosphoinositide 3-kinase inhibition. Subsequent signaling analysis reveals a strict requirement of phospholipase C β3 and its downstream effector protein kinase Cα. Consistent with the established role of Rho small GTPases in the formation of actin-rich projecting structures, we identified the phosphoinositide 3-kinase-regulated guanine nucleotide exchange factor FARP1 as a GPCR effector essential for TNT formation, acting via Cdc42. Altogether, our study pioneers a link between Gi/o-coupled GPCRs and TNT development and sheds light into the intricate signaling pathways governing the generation of specialized actin-rich elongated structures in response to bioactive signaling lipids.
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Affiliation(s)
- Mariana Cooke
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
| | - Suli Zhang
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Fabiana Cornejo Maciel
- Departament of Human Biochemistry, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina; INBIOMED, CONICET, Buenos Aires, Argentina
| | - Marcelo G Kazanietz
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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3
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Thölmann S, Seebach J, Otani T, Florin L, Schnittler H, Gerke V, Furuse M, Ebnet K. JAM-A interacts with α3β1 integrin and tetraspanins CD151 and CD9 to regulate collective cell migration of polarized epithelial cells. Cell Mol Life Sci 2022; 79:88. [PMID: 35067832 PMCID: PMC8784505 DOI: 10.1007/s00018-022-04140-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 12/22/2021] [Accepted: 01/10/2022] [Indexed: 01/23/2023]
Abstract
AbstractJunctional adhesion molecule (JAM)-A is a cell adhesion receptor localized at epithelial cell–cell contacts with enrichment at the tight junctions. Its role during cell–cell contact formation and epithelial barrier formation has intensively been studied. In contrast, its role during collective cell migration is largely unexplored. Here, we show that JAM-A regulates collective cell migration of polarized epithelial cells. Depletion of JAM-A in MDCK cells enhances the motility of singly migrating cells but reduces cell motility of cells embedded in a collective by impairing the dynamics of cryptic lamellipodia formation. This activity of JAM-A is observed in cells grown on laminin and collagen-I but not on fibronectin or vitronectin. Accordingly, we find that JAM-A exists in a complex with the laminin- and collagen-I-binding α3β1 integrin. We also find that JAM-A interacts with tetraspanins CD151 and CD9, which both interact with α3β1 integrin and regulate α3β1 integrin activity in different contexts. Mapping experiments indicate that JAM-A associates with α3β1 integrin and tetraspanins CD151 and CD9 through its extracellular domain. Similar to depletion of JAM-A, depletion of either α3β1 integrin or tetraspanins CD151 and CD9 in MDCK cells slows down collective cell migration. Our findings suggest that JAM-A exists with α3β1 integrin and tetraspanins CD151 and CD9 in a functional complex to regulate collective cell migration of polarized epithelial cells.
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Affiliation(s)
- Sonja Thölmann
- Institute-Associated Research Group "Cell Adhesion and Cell Polarity", Institute of Medical Biochemistry, ZMBE, University of Münster, Von-Esmarch-Str. 56, 48149, Münster, Germany
- Institute of Medical Biochemistry, ZMBE, University of Münster, Münster, Germany
| | - Jochen Seebach
- Institute of Anatomy and Vascular Biology, University of Münster, Münster, Germany
- Cells-in-Motion Interfaculty Center, University of Münster, 48149, Münster, Germany
| | - Tetsuhisa Otani
- Division of Cell Structure, National Institute for Physiological Sciences, National Institute of Natural Sciences, Okazaki, Aichi, Japan
| | - Luise Florin
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Hans Schnittler
- Institute of Anatomy and Vascular Biology, University of Münster, Münster, Germany
- Cells-in-Motion Interfaculty Center, University of Münster, 48149, Münster, Germany
| | - Volker Gerke
- Institute of Medical Biochemistry, ZMBE, University of Münster, Münster, Germany
- Cells-in-Motion Interfaculty Center, University of Münster, 48149, Münster, Germany
| | - Mikio Furuse
- Division of Cell Structure, National Institute for Physiological Sciences, National Institute of Natural Sciences, Okazaki, Aichi, Japan
| | - Klaus Ebnet
- Institute-Associated Research Group "Cell Adhesion and Cell Polarity", Institute of Medical Biochemistry, ZMBE, University of Münster, Von-Esmarch-Str. 56, 48149, Münster, Germany.
- Institute of Medical Biochemistry, ZMBE, University of Münster, Münster, Germany.
- Cells-in-Motion Interfaculty Center, University of Münster, 48149, Münster, Germany.
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4
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Sasaki S, Takahashi R, Luo Y, Chujo K, Sera T, Kudo S. Spatiotemporal distribution of PKCα, Cdc42, and Rac1 before directed cell migration. Biochem Biophys Res Commun 2021; 584:26-31. [PMID: 34753065 DOI: 10.1016/j.bbrc.2021.10.080] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/30/2021] [Accepted: 10/31/2021] [Indexed: 11/19/2022]
Abstract
Cdc42 is a key factor in directed cell migration and accumulates at the leading edge of migrating cells. However, what kind of proteins control Cdc42 and when is unclear. After mechanical wounding, protein kinase C α (PKCα), a conventional PKC isozyme, begins to accumulate at the edges of cells adjacent to the wounded cells (WCs). In this study, we hypothesized that PKCα may be implicated in directed cell migration at an early stage before Cdc42 controls the migration. We focused on the spatiotemporal distribution of PKCα, Cdc42, and Rac1 before cell migration. After wounding, at the edges of cells adjacent to the WCs, PKCα accumulation, Cdc42 accumulation, Rac1 accumulation, and filopodia formation occurred in that order. The PKCα inhibitor suppressed Cdc42 accumulation at the cell edges. These results suggest that inhibition of PKCα activity inhibits cell migration. In addition, it is not Cdc42 but PKCα that may decide the direction of cell migration.
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Affiliation(s)
- Saori Sasaki
- Department of Mechanical Engineering, Faculty of Engineering, Kyushu University, Fukuoka, Japan
| | - Ryu Takahashi
- Department of Mechanical Engineering, Graduate School of Engineering, Kyushu University, Fukuoka, Japan
| | - Yangfeng Luo
- Graduate School of Systems Life Sciences, Kyushu University, Fukuoka, Japan
| | - Kengo Chujo
- Department of Mechanical Engineering, Graduate School of Engineering, Kyushu University, Fukuoka, Japan
| | - Toshihiro Sera
- Department of Mechanical Engineering, Faculty of Engineering, Kyushu University, Fukuoka, Japan
| | - Susumu Kudo
- Department of Mechanical Engineering, Faculty of Engineering, Kyushu University, Fukuoka, Japan.
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5
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Erfani S, Hua H, Pan Y, Zhou BP, Yang XH. The Context-Dependent Impact of Integrin-Associated CD151 and Other Tetraspanins on Cancer Development and Progression: A Class of Versatile Mediators of Cellular Function and Signaling, Tumorigenesis and Metastasis. Cancers (Basel) 2021; 13:cancers13092005. [PMID: 33919420 PMCID: PMC8122392 DOI: 10.3390/cancers13092005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 03/18/2021] [Accepted: 04/01/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Tetraspanins are a family of molecules abundantly expressed on the surface of normal or tumor cells. They have been implicated in recruiting or sequestering key molecular regulators of malignancy of a variety of human cancers, including breast and lung cancers, glioblastoma and leukemia. Yet, how their actions take place remains mysterious due to a lack of traditional platform for molecular interactions. The current review digs into this mystery by examining findings from recent studies of multiple tetraspanins, particularly CD151. The molecular basis for differential impact of tetraspanins on tumor development, progression, and spreading to secondary sites is highlighted, and the complexity and plasticity of their control over tumor cell activities and interaction with their surroundings is discussed. Finally, an outlook is provided regarding tetraspanins as candidate biomarkers and targets for the diagnosis and treatment of human cancer. Abstract As a family of integral membrane proteins, tetraspanins have been functionally linked to a wide spectrum of human cancers, ranging from breast, colon, lung, ovarian, prostate, and skin carcinomas to glioblastoma. CD151 is one such prominent member of the tetraspanin family recently suggested to mediate tumor development, growth, and progression in oncogenic context- and cell lineage-dependent manners. In the current review, we summarize recent advances in mechanistic understanding of the function and signaling of integrin-associated CD151 and other tetraspanins in multiple cancer types. We also highlight emerging genetic and epigenetic evidence on the intrinsic links between tetraspanins, the epithelial-mesenchymal transition (EMT), cancer stem cells (CSCs), and the Wnt/β-catenin pathway, as well as the dynamics of exosome and cellular metabolism. Finally, we discuss the implications of the highly plastic nature and epigenetic susceptibility of CD151 expression, function, and signaling for clinical diagnosis and therapeutic intervention for human cancer.
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Affiliation(s)
- Sonia Erfani
- Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, KY 40536, USA;
- Markey Cancer Center, University of Kentucky Medical Center, Lexington, KY 40536, USA
- Pharmacy Department, St. Elizabeth Healthcare, Edgewood, KY 41017, USA
| | - Hui Hua
- The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui 230001, China; (H.H.); (Y.P.)
- Provincial Hospital, Hefei, Anhui 230001, China
| | - Yueyin Pan
- The First Affiliated Hospital of University of Science and Technology of China, Hefei, Anhui 230001, China; (H.H.); (Y.P.)
- Provincial Hospital, Hefei, Anhui 230001, China
| | - Binhua P. Zhou
- Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40536, USA;
| | - Xiuwei H. Yang
- Department of Pharmacology and Nutritional Sciences, College of Medicine, University of Kentucky, Lexington, KY 40536, USA;
- Markey Cancer Center, University of Kentucky Medical Center, Lexington, KY 40536, USA
- Correspondence: ; Tel.: +1-859-323-1996
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6
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Ramovs V, Krotenberg Garcia A, Kreft M, Sonnenberg A. Integrin α3β1 Is a Key Regulator of Several Protumorigenic Pathways during Skin Carcinogenesis. J Invest Dermatol 2021; 141:732-741.e6. [PMID: 32805217 DOI: 10.1016/j.jid.2020.07.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 07/14/2020] [Accepted: 07/14/2020] [Indexed: 12/19/2022]
Abstract
Integrin α3β1 plays a crucial role in tumor formation in the two-stage chemical carcinogenesis model (DMBA and TPA treatment). However, the mechanisms whereby the expression of α3β1 influences key oncogenic drivers of this established model are not known yet. Using an in vivo mouse model with epidermal deletion of α3β1 and in vitro Matrigel cultures of transformed keratinocytes, we demonstrate the central role of α3β1 in promoting the activation of several protumorigenic signaling pathways during the initiation of DMBA/TPA‒driven tumorigenesis. In transformed keratinocytes, α3β1-mediated focal adhesion kinase/Src activation leads to in vitro growth of spheroids and to strong Akt and STAT 3 activation when the α3β1-binding partner tetraspanin CD151 is present to stabilize cell‒cell adhesion and promote Smad2 phosphorylation. Remarkably, α3β1 and CD151 can support Akt and STAT 3 activity independently of α3β1 ligation by laminin-332 and as such control the essential survival signals required for suprabasal keratin-10 expression during keratinocyte differentiation. These data demonstrate that α3β1 together with CD151 regulate the signaling pathways that control the survival of differentiating keratinocytes and provide a mechanistic understanding of the essential role of α3β1 in early stages of skin cancer development.
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Affiliation(s)
- Veronika Ramovs
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Ana Krotenberg Garcia
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands; Division of Molecular Pathology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Maaike Kreft
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Arnoud Sonnenberg
- Division of Cell Biology, The Netherlands Cancer Institute, Amsterdam, The Netherlands.
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7
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Ma WJ, Pannebakker BA, Li X, Geuverink E, Anvar SY, Veltsos P, Schwander T, van de Zande L, Beukeboom LW. A single QTL with large effect is associated with female functional virginity in an asexual parasitoid wasp. Mol Ecol 2021; 30:1979-1992. [PMID: 33638236 PMCID: PMC8252104 DOI: 10.1111/mec.15863] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/07/2021] [Accepted: 02/22/2021] [Indexed: 12/13/2022]
Abstract
During the transition from sexual to asexual reproduction, a suite of reproduction-related sexual traits become superfluous, and may be selected against if costly. Female functional virginity refers to asexual females resisting to mate or not fertilizing eggs after mating. These traits appear to be among the first that evolve during transitions from sexual to asexual reproduction. The genetic basis of female functional virginity remains elusive. Previously, we reported that female functional virginity segregates as expected for a single recessive locus in the asexual parasitoid wasp Asobara japonica. Here, we investigate the genetic basis of this trait by quantitative trait loci (QTL) mapping and candidate gene analyses. Consistent with the segregation of phenotypes, we found a single QTL of large effect, spanning over 4.23 Mb and comprising at least 131 protein-coding genes, of which 15 featured sex-biased expression in the related sexual species Asobara tabida. Two of the 15 sex-biased genes were previously identified to differ between related sexual and asexual population/species: CD151 antigen and nuclear pore complex protein Nup50. A third gene, hormone receptor 4, is involved in steroid hormone mediated mating behaviour. Overall, our results are consistent with a single locus, or a cluster of closely linked loci, underlying rapid evolution of female functional virginity in the transition to asexuality. Once this variant, causing rejection to mate, has swept through a population, the flanking region does not get smaller owing to lack of recombination in asexuals.
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Affiliation(s)
- Wen-Juan Ma
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands.,Department of Molecular Biosciences, University of Kansas, Lawrence, KS, USA
| | - Bart A Pannebakker
- Laboratory of Genetics, Wageningen University and Research, Wageningen, The Netherlands
| | - Xuan Li
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Elzemiek Geuverink
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Seyed Yahya Anvar
- Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Paris Veltsos
- Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, KS, USA
| | - Tanja Schwander
- Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
| | - Louis van de Zande
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Leo W Beukeboom
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
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8
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Key Role of CD151-integrin Complex in Lung Cancer Metastasis and Mechanisms Involved. Curr Med Sci 2021; 40:1148-1155. [PMID: 33428143 DOI: 10.1007/s11596-020-2297-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 09/13/2020] [Indexed: 10/22/2022]
Abstract
Tetraspanin CD151 was found to be upregulated in malignant cell types and has been identified as a tumor metastasis promoter. In this study, we aimed to examine the role of the CD151-integrin complex in lung cancer metastasis and the underlying mechanisms. CD151 QRD194-196 →AAA194-196 mutant was generated and used to transfect A549 human lung adenocarcinoma cells. We found that there was no significant difference in CD151 protein expression between CD151 and CD151-AAA mutant groups. In vitro, CD151-AAA mutant delivery abrogated the migration and invasion of A549 cells, which was promoted by CD151 gene transfer. Furthermore, CD151-AAA delivery failed to activate FAK and p130Cas signaling pathways. Western blot and immunohistochemical staining showed strong CD151 expression in lung cancerous tissues but not in adjacent normal tissues. Increased level of CD151 protein was observed in 20 of the patients and the positive rate of CD151 protein in specimens was 62.5% (20/32). In addition, CD151 was co-localized with α3 integrin at the cell-cell contact site in carcinoma tissues. These results suggested that the disruption of the CD151-α3 integrin complex may impair the metastasis-promoting effects and signaling events induced by CD151 in lung cancer. Our findings identified a key role for CD151-α3 integrin complex as a promoter in the lung cancer.
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9
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Tetraspanins: useful multifunction proteins for the possible design and development of small-molecule therapeutic tools. Drug Discov Today 2020; 26:56-68. [PMID: 33137483 DOI: 10.1016/j.drudis.2020.10.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/21/2020] [Accepted: 10/23/2020] [Indexed: 02/07/2023]
Abstract
Tetraspanins constitute a well-conserved superfamily of four-span small membrane proteins (TM4SF), with >30 members in humans, with important roles in numerous mechanisms of cell biology. Moreover, tetraspanins associate with either specific partner proteins or another tetraspanin, generating a network of interactions involved in cell and membrane compartmentalization and having a role in cellular development, proliferation, activation, motility, and membrane fusions. Therefore, tetraspanins are considered regulators of cellular signaling and are often depicted as 'molecular facilitators'. In view of these many physiological functions, it is likely that these molecules are important actors in pathological processes. In this review, we present the main characteristics of this superfamily, providing a more detailed description of some significant representatives and discuss their relevance as potential targets for the design and development of small-molecule therapeutics in different pathologies.
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10
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Perez MD, Seu L, Lowman KE, Moylan DC, Tidwell C, Samuel S, Duverger A, Wagner FH, Carlin E, Sharma V, Pope B, Raman C, Erdmann N, Locke J, Hu H, Sabbaj S, Kutsch O. The tetraspanin CD151 marks a unique population of activated human T cells. Sci Rep 2020; 10:15748. [PMID: 32978478 PMCID: PMC7519159 DOI: 10.1038/s41598-020-72719-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 09/04/2020] [Indexed: 02/06/2023] Open
Abstract
Tetraspanins are a family of proteins with an array of functions that are well studied in cancer biology, but their importance in immunology is underappreciated. Here we establish the tetraspanin CD151 as a unique marker of T-cell activation and, in extension, an indicator of elevated, systemic T-cell activity. Baseline CD151 expression found on a subset of T-cells was indicative of increased activation of the MAPK pathway. Following TCR/CD3 activation, CD151 expression was upregulated on the overall T-cell population, a quintessential feature of an activation marker. CD151+ T-cell frequencies in the spleen, an organ with increased immune activity, were twice as high as in paired peripheral blood samples. This CD151+ T-cell frequency increase was not paralleled by an increase of CD25 or CD38, demonstrating that CD151 expression is regulated independently of other T-cell activation markers. CD151+ T-cells were also more likely to express preformed granzyme B, suggesting that CD151+ T cells are pro-inflammatory. To this end, HIV-1 patients on antiretroviral therapy who are reported to exhibit chronically elevated levels of immune activity, had significantly higher CD4+CD151+ T-cell frequencies than healthy controls, raising the possibility that proinflammatory CD151+ T cells could contribute to the premature immunological aging phenotype observed in these patients.
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Affiliation(s)
- Mildred D Perez
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Lillian Seu
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kelsey E Lowman
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - David C Moylan
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Christopher Tidwell
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Shekwonya Samuel
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Alexandra Duverger
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Frederic H Wagner
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Eric Carlin
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Vishal Sharma
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Brandon Pope
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Chander Raman
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Nathan Erdmann
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jayme Locke
- Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Hui Hu
- Department of Microbiology, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Steffanie Sabbaj
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Olaf Kutsch
- Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, USA.
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11
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Finke J, Hitschler L, Boller K, Florin L, Lang T. HPV caught in the tetraspanin web? Med Microbiol Immunol 2020; 209:447-459. [PMID: 32535702 PMCID: PMC7293171 DOI: 10.1007/s00430-020-00683-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 05/27/2020] [Indexed: 12/20/2022]
Abstract
Tetraspanins are master organizers of the cell membrane. Recent evidence suggests that tetraspanins themselves may become crowded by virus particles and that these crowds/aggregates co-internalize with the viral particles. Using microscopy, we studied human papillomavirus (HPV) type 16-dependent aggregates on the cell surface of tetraspanin overexpressing keratinocytes. We find that aggregates are (1) rich in at least two different tetraspanins, (2) three-dimensional architectures extending up to several micrometers into the cell, and (3) decorated intracellularly by filamentous actin. Moreover, in cells not overexpressing tetraspanins, we note that obscurin-like protein 1 (OBSL1), which is thought to be a cytoskeletal adaptor, associates with filamentous actin. We speculate that HPV contact with the cell membrane could trigger the formation of a large tetraspanin web. This web may couple the virus contact site to the intracellular endocytic actin machinery, possibly involving the cytoskeletal adaptor protein OBSL1. Functionally, such a tetraspanin web could serve as a virus entry platform, which is co-internalized with the virus particle.
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Affiliation(s)
- Jérôme Finke
- Department of Membrane Biochemistry, Life & Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115, Bonn, Germany.
| | - Lisa Hitschler
- Department of Membrane Biochemistry, Life & Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115, Bonn, Germany
| | - Klaus Boller
- Paul Ehrlich Institute, Paul-Ehrlich-Straße 51-59, 63225, Langen, Germany
| | - Luise Florin
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Centre of the Johannes Gutenberg University Mainz, Obere Zahlbacher Straße 67, 55131, Mainz, Germany
| | - Thorsten Lang
- Department of Membrane Biochemistry, Life & Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115, Bonn, Germany.
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12
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Beyenbach KW, Schöne F, Breitsprecher LF, Tiburcy F, Furuse M, Izumi Y, Meyer H, Jonusaite S, Rodan AR, Paululat A. The septate junction protein Tetraspanin 2A is critical to the structure and function of Malpighian tubules in Drosophila melanogaster. Am J Physiol Cell Physiol 2020; 318:C1107-C1122. [PMID: 32267718 DOI: 10.1152/ajpcell.00061.2020] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Tetraspanin-2A (Tsp2A) is an integral membrane protein of smooth septate junctions in Drosophila melanogaster. To elucidate its structural and functional roles in Malpighian tubules, we used the c42-GAL4/UAS system to selectively knock down Tsp2A in principal cells of the tubule. Tsp2A localizes to smooth septate junctions (sSJ) in Malpighian tubules in a complex shared with partner proteins Snakeskin (Ssk), Mesh, and Discs large (Dlg). Knockdown of Tsp2A led to the intracellular retention of Tsp2A, Ssk, Mesh, and Dlg, gaps and widening spaces in remaining sSJ, and tumorous and cystic tubules. Elevated protein levels together with diminished V-type H+-ATPase activity in Tsp2A knockdown tubules are consistent with cell proliferation and reduced transport activity. Indeed, Malpighian tubules isolated from Tsp2A knockdown flies failed to secrete fluid in vitro. The absence of significant transepithelial voltages and resistances manifests an extremely leaky epithelium that allows secreted solutes and water to leak back to the peritubular side. The tubular failure to excrete fluid leads to extracellular volume expansion in the fly and to death within the first week of adult life. Expression of the c42-GAL4 driver begins in Malpighian tubules in the late embryo and progresses upstream to distal tubules in third instar larvae, which can explain why larvae survive Tsp2A knockdown and adults do not. Uncontrolled cell proliferation upon Tsp2A knockdown confirms the role of Tsp2A as tumor suppressor in addition to its role in sSJ structure and transepithelial transport.
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Affiliation(s)
- Klaus W Beyenbach
- Department of Zoology/Developmental Biology, University of Osnabrück, Osnabrück, Germany.,Department of Animal Physiology, University of Osnabrück, Osnabrück, Germany
| | - Frederike Schöne
- Department of Zoology/Developmental Biology, University of Osnabrück, Osnabrück, Germany
| | | | - Felix Tiburcy
- Department of Animal Physiology, University of Osnabrück, Osnabrück, Germany
| | - Mikio Furuse
- Division of Cell Structure, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Japan.,Department of Physiological Sciences, School of Life Science, Sokendai, The Graduate University for Advanced Studies, Okazaki, Japan
| | - Yasushi Izumi
- Division of Cell Structure, National Institute for Physiological Sciences, National Institutes of Natural Sciences, Okazaki, Japan.,Department of Physiological Sciences, School of Life Science, Sokendai, The Graduate University for Advanced Studies, Okazaki, Japan
| | - Heiko Meyer
- Department of Zoology/Developmental Biology, University of Osnabrück, Osnabrück, Germany
| | - Sima Jonusaite
- Division of Nephrology and Hypertension, Department of Internal Medicine, Molecular Medicine Program, University of Utah, Salt Lake City, Utah.,Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | - Aylin R Rodan
- Division of Nephrology and Hypertension, Department of Internal Medicine, Molecular Medicine Program, University of Utah, Salt Lake City, Utah
| | - Achim Paululat
- Department of Zoology/Developmental Biology, University of Osnabrück, Osnabrück, Germany
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13
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Finke J, Mikuličić S, Loster AL, Gawlitza A, Florin L, Lang T. Anatomy of a viral entry platform differentially functionalized by integrins α3 and α6. Sci Rep 2020; 10:5356. [PMID: 32210347 PMCID: PMC7093462 DOI: 10.1038/s41598-020-62202-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 03/10/2020] [Indexed: 12/26/2022] Open
Abstract
During cell invasion, human papillomaviruses use large CD151 patches on the cell surface. Here, we studied whether these patches are defined architectures with features for virus binding and/or internalization. Super-resolution microscopy reveals that the patches are assemblies of closely associated nanoclusters of CD151, integrin α3 and integrin α6. Integrin α6 is required for virus attachment and integrin α3 for endocytosis. We propose that CD151 organizes viral entry platforms with different types of integrin clusters for different functionalities. Since numerous viruses use tetraspanin patches, we speculate that this building principle is a blueprint for cell-surface architectures utilized by viral particles.
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Affiliation(s)
- Jérôme Finke
- Department of Membrane Biochemistry, Life & Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115, Bonn, Germany
| | - Snježana Mikuličić
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg University Mainz, Obere Zahlbacher Straße 67, 55131, Mainz, Germany
| | - Anna-Lena Loster
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg University Mainz, Obere Zahlbacher Straße 67, 55131, Mainz, Germany
| | - Alexander Gawlitza
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg University Mainz, Obere Zahlbacher Straße 67, 55131, Mainz, Germany
| | - Luise Florin
- Institute for Virology and Research Center for Immunotherapy (FZI), University Medical Center of the Johannes Gutenberg University Mainz, Obere Zahlbacher Straße 67, 55131, Mainz, Germany
| | - Thorsten Lang
- Department of Membrane Biochemistry, Life & Medical Sciences (LIMES) Institute, University of Bonn, Carl-Troll-Straße 31, 53115, Bonn, Germany.
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14
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Wong AH, Tran T. CD151 in Respiratory Diseases. Front Cell Dev Biol 2020; 8:64. [PMID: 32117989 PMCID: PMC7020194 DOI: 10.3389/fcell.2020.00064] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 01/22/2020] [Indexed: 12/25/2022] Open
Abstract
The tetraspanin, Cluster of Differentiation 151 (CD151), is ubiquitously expressed in adult tissue, especially in the lungs where it has been implicated in lung cancer, asthma, influenza, and idiopathic pulmonary fibrosis (IPF). CD151 interacts with laminin-binding integrins and growth factor receptors, and is reported in cancer-promoting processes such as tumor initiation, metastasis, and angiogenesis. In asthma, CD151 was shown to promote airways hyperresponsiveness through calcium signaling whereas in influenza, CD151 was shown to be a novel host factor for nuclear viral export signaling. Furthermore, CD151 was shown to be associated with increased disease severity and poorer survival outcome in asthma and lung cancer, respectively. In this review, we provide an update on the current understanding of CD151 with regards to its contribution to lung pathophysiology. We also summarize factors that have been shown to regulate CD151 expression and identify key areas that need to be taken into consideration for its utility as a screening or prognostic tool in disease management and/or as a therapeutic target for the treatment of lung diseases.
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Affiliation(s)
- Amanda H Wong
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Thai Tran
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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15
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Sadej R, Lu X, Turczyk L, Novitskaya V, Lopez-Clavijo AF, Kordek R, Potemski P, Wakelam MJO, Romanska-Knight H, Berditchevski F. CD151 regulates expression of FGFR2 in breast cancer cells via PKC-dependent pathways. J Cell Sci 2018; 131:jcs220640. [PMID: 30257985 DOI: 10.1242/jcs.220640] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 09/17/2018] [Indexed: 11/20/2022] Open
Abstract
Expression of the tetraspanin CD151 is frequently upregulated in epithelial malignancies and correlates with poor prognosis. Here, we report that CD151 is involved in regulation of the expression of fibroblast growth factor receptor 2 (FGFR2). Depletion of CD151 in breast cancer cells resulted in an increased level of FGFR2. Accordingly, an inverse correlation between CD151 and FGFR2 was observed in breast cancer tissues. CD151-dependent regulation of the FGFR2 expression relies on post-transcriptional mechanisms involving HuR (also known as ELAVL1), a multifunctional RNA-binding protein, and the assembly of processing bodies (P-bodies). Depletion of CD151 correlated with inhibition of PKC, a well-established downstream target of CD151. Accordingly, the levels of dialcylglycerol species were decreased in CD151-negative cells, and inhibition of PKC resulted in the increased expression of FGFR2. Whereas expression of FGFR2 itself did not correlate with any of the clinicopathological data, we found that FGFR2-/CD151+ patients were more likely to have developed lymph node metastasis. Conversely, FGFR2-/CD151- patients demonstrated better overall survival. These results illustrate functional interdependency between CD151 complexes and FGFR2, and suggest a previously unsuspected role of CD151 in breast tumorigenesis.
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Affiliation(s)
- Rafal Sadej
- Department of Molecular Enzymology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Abrahama 58, 80-307 Gdańsk, Poland
| | - Xiaohong Lu
- Institute of Cancer and Genomic Sciences, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - Lukasz Turczyk
- Department of Molecular Enzymology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Abrahama 58, 80-307 Gdańsk, Poland
| | - Vera Novitskaya
- Institute of Cancer and Genomic Sciences, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | | | - Radzisław Kordek
- Department of Pathology and Chemotherapy, Medical University of Łódź, 92-213 Łódź, Poland
| | - Piotr Potemski
- Department of Pathology and Chemotherapy, Medical University of Łódź, 92-213 Łódź, Poland
| | | | - Hanna Romanska-Knight
- Department of Pathology and Chemotherapy, Medical University of Łódź, 92-213 Łódź, Poland
| | - Fedor Berditchevski
- Institute of Cancer and Genomic Sciences, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
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16
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Huang C, Fu C, Wren JD, Wang X, Zhang F, Zhang YH, Connel SA, Chen T, Zhang XA. Tetraspanin-enriched microdomains regulate digitation junctions. Cell Mol Life Sci 2018; 75:3423-3439. [PMID: 29589089 PMCID: PMC6615572 DOI: 10.1007/s00018-018-2803-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 02/18/2018] [Accepted: 03/21/2018] [Indexed: 12/22/2022]
Abstract
Tetraspanins co-emerged with multi-cellular organisms during evolution and are typically localized at the cell–cell interface, [corrected] and form tetraspanin-enriched microdomains (TEMs) by associating with each other and other membrane molecules. Tetraspanins affect various biological functions, but how tetraspanins engage in multi-faceted functions at the cellular level is largely unknown. When cells interact, the membrane microextrusions at the cell-cell interfaces form dynamic, digit-like structures between cells, which we term digitation junctions (DJs). We found that (1) tetraspanins CD9, CD81, and CD82 and (2) TEM-associated molecules integrin α3β1, CD44, EWI2/PGRL, and PI-4P are present in DJs of epithelial, endothelial, and cancer cells. Tetraspanins and their associated molecules also regulate the formation and development of DJs. Moreover, (1) actin cytoskeleton, RhoA, and actomyosin activities and (2) growth factor receptor-Src-MAP kinase signaling, but not PI-3 kinase, regulate DJs. Finally, we showed that DJs consist of various forms in different cells. Thus, DJs are common, interactive structures between cells, and likely affect cell adhesion, migration, and communication. TEMs probably modulate various cell functions through DJs. Our findings highlight that DJ morphogenesis reflects the transition between cell-matrix adhesion and cell-cell adhesion and involves both cell-cell and cell-matrix adhesion molecules.
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Affiliation(s)
- Chao Huang
- Stephenson Cancer Center and Department of Physiology, University of Oklahoma Health Sciences Center, BRC Building West Room 1474, 975 N.E. 10th Street, Oklahoma City, OK, 73104, USA
| | - Chenying Fu
- Stephenson Cancer Center and Department of Physiology, University of Oklahoma Health Sciences Center, BRC Building West Room 1474, 975 N.E. 10th Street, Oklahoma City, OK, 73104, USA
| | - Jonathan D Wren
- Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Xuejun Wang
- Stephenson Cancer Center and Department of Physiology, University of Oklahoma Health Sciences Center, BRC Building West Room 1474, 975 N.E. 10th Street, Oklahoma City, OK, 73104, USA
| | - Feng Zhang
- Stephenson Cancer Center and Department of Physiology, University of Oklahoma Health Sciences Center, BRC Building West Room 1474, 975 N.E. 10th Street, Oklahoma City, OK, 73104, USA
| | - Yanhui H Zhang
- University of Tennessee Health Science Center, Memphis, TN, USA
| | | | - Taosheng Chen
- St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Xin A Zhang
- Stephenson Cancer Center and Department of Physiology, University of Oklahoma Health Sciences Center, BRC Building West Room 1474, 975 N.E. 10th Street, Oklahoma City, OK, 73104, USA.
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17
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Seu L, Tidwell C, Timares L, Duverger A, Wagner FH, Goepfert PA, Westfall AO, Sabbaj S, Kutsch O. CD151 Expression Is Associated with a Hyperproliferative T Cell Phenotype. THE JOURNAL OF IMMUNOLOGY 2017; 199:3336-3347. [PMID: 28954890 DOI: 10.4049/jimmunol.1700648] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 08/28/2017] [Indexed: 02/06/2023]
Abstract
The tetraspanin CD151 is a marker of aggressive cell proliferation and invasiveness for a variety of cancer types. Given reports of CD151 expression on T cells, we explored whether CD151 would mark T cells in a hyperactivated state. Consistent with the idea that CD151 could mark a phenotypically distinct T cell subset, it was not uniformly expressed on T cells. CD151 expression frequency was a function of the T cell lineage (CD8 > CD4) and a function of the memory differentiation state (naive T cells < central memory T cells < effector memory T cells < T effector memory RA+ cells). CD151 and CD57, a senescence marker, defined the same CD28- T cell populations. However, CD151 also marked a substantial CD28+ T cell population that was not marked by CD57. Kinome array analysis demonstrated that CD28+CD151+ T cells form a subpopulation with a distinct molecular baseline and activation phenotype. Network analysis of these data revealed that cell cycle control and cell death were the most altered process motifs in CD28+CD151+ T cells. We demonstrate that CD151 in T cells is not a passive marker, but actively changed the cell cycle control and cell death process motifs of T cells. Consistent with these data, long-term T cell culture experiments in the presence of only IL-2 demonstrated that independent of their CD28 expression status, CD151+ T cells, but not CD151- T cells, would exhibit an Ag-independent, hyperresponsive proliferation phenotype. Not unlike its reported function as a tumor aggressiveness marker, CD151 in humans thus marks and enables hyperproliferative T cells.
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Affiliation(s)
- Lillian Seu
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Christopher Tidwell
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Laura Timares
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Alexandra Duverger
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Frederic H Wagner
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Paul A Goepfert
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Andrew O Westfall
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Steffanie Sabbaj
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
| | - Olaf Kutsch
- Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294
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18
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Zuidscherwoude M, Dunlock VME, van den Bogaart G, van Deventer SJ, van der Schaaf A, van Oostrum J, Goedhart J, In ‘t Hout J, Hämmerling GJ, Tanaka S, Nadler A, Schultz C, Wright MD, Adjobo-Hermans MJW, van Spriel AB. Tetraspanin microdomains control localized protein kinase C signaling in B cells. Sci Signal 2017; 10:10/478/eaag2755. [DOI: 10.1126/scisignal.aag2755] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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19
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Termini CM, Gillette JM. Tetraspanins Function as Regulators of Cellular Signaling. Front Cell Dev Biol 2017; 5:34. [PMID: 28428953 PMCID: PMC5382171 DOI: 10.3389/fcell.2017.00034] [Citation(s) in RCA: 183] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Accepted: 03/22/2017] [Indexed: 01/10/2023] Open
Abstract
Tetraspanins are molecular scaffolds that distribute proteins into highly organized microdomains consisting of adhesion, signaling, and adaptor proteins. Many reports have identified interactions between tetraspanins and signaling molecules, finding unique downstream cellular consequences. In this review, we will explore these interactions as well as the specific cellular responses to signal activation, focusing on tetraspanin regulation of adhesion-mediated (integrins/FAK), receptor-mediated (EGFR, TNF-α, c-Met, c-Kit), and intracellular signaling (PKC, PI4K, β-catenin). Additionally, we will summarize our current understanding for how tetraspanin post-translational modifications (palmitoylation, N-linked glycosylation, and ubiquitination) can regulate signal propagation. Many of the studies outlined in this review suggest that tetraspanins offer a potential therapeutic target to modulate aberrant signal transduction pathways that directly impact a host of cellular behaviors and disease states.
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Affiliation(s)
- Christina M Termini
- Department of Pathology, University of New Mexico Health Sciences CenterAlbuquerque, NM, USA
| | - Jennifer M Gillette
- Department of Pathology, University of New Mexico Health Sciences CenterAlbuquerque, NM, USA
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20
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Interrogation of Functional Cell-Surface Markers Identifies CD151 Dependency in High-Grade Serous Ovarian Cancer. Cell Rep 2017; 18:2343-2358. [DOI: 10.1016/j.celrep.2017.02.028] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 12/20/2016] [Accepted: 02/08/2017] [Indexed: 11/21/2022] Open
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21
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Wüstenhagen E, Hampe L, Boukhallouk F, Schneider MA, Spoden GA, Negwer I, Koynov K, Kast WM, Florin L. The Cytoskeletal Adaptor Obscurin-Like 1 Interacts with the Human Papillomavirus 16 (HPV16) Capsid Protein L2 and Is Required for HPV16 Endocytosis. J Virol 2016; 90:10629-10641. [PMID: 27654294 PMCID: PMC5110159 DOI: 10.1128/jvi.01222-16] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 09/02/2016] [Indexed: 11/20/2022] Open
Abstract
The human papillomavirus (HPV) capsid protein L2 is essential for viral entry. To gain a deeper understanding of the role of L2, we searched for novel cellular L2-interacting proteins. A yeast two-hybrid analysis uncovered the actin-depolymerizing factor gelsolin, the membrane glycoprotein dysadherin, the centrosomal protein 68 (Cep68), and the cytoskeletal adaptor protein obscurin-like 1 protein (OBSL1) as putative L2 binding molecules. Pseudovirus (PsV) infection assays identified OBSL1 as a host factor required for gene transduction by three oncogenic human papillomavirus types, HPV16, HPV18, and HPV31. In addition, we detected OBSL1 expression in cervical tissue sections and noted the involvement of OBSL1 during gene transduction of primary keratinocytes by HPV16 PsV. Complex formation of HPV16 L2 with OBSL1 was demonstrated in coimmunofluorescence and coimmunoprecipitation studies after overexpression of L2 or after PsV exposure. We observed a strong colocalization of OBSL1 with HPV16 PsV and tetraspanin CD151 at the plasma membrane, suggesting a role for OBSL1 in viral endocytosis. Indeed, viral entry assays exhibited a reduction of viral endocytosis in OBSL1-depleted cells. Our results suggest OBSL1 as a novel L2-interacting protein and endocytosis factor in HPV infection. IMPORTANCE Human papillomaviruses infect mucosal and cutaneous epithelia, and the high-risk HPV types account for 5% of cancer cases worldwide. As recently discovered, HPV entry occurs by a clathrin-, caveolin-, and dynamin-independent endocytosis via tetraspanin-enriched microdomains. At present, the cellular proteins involved in the underlying mechanism of this type of endocytosis are under investigation. In this study, the cytoskeletal adaptor OBSL1 was discovered as a previously unrecognized interaction partner of the minor capsid protein L2 and was identified as a proviral host factor required for HPV16 endocytosis into target cells. The findings of this study advance the understanding of a so far less well-characterized endocytic pathway that is used by oncogenic HPV subtypes.
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Affiliation(s)
- Elena Wüstenhagen
- Department of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Laura Hampe
- Department of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Fatima Boukhallouk
- Department of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Marc A Schneider
- Department of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
- Translational Research Unit, Thoraxklinik at Heidelberg University Hospital, Heidelberg, Germany
| | - Gilles A Spoden
- Department of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Inka Negwer
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - Kaloian Koynov
- Max Planck Institute for Polymer Research, Mainz, Germany
| | - W Martin Kast
- Department of Molecular Microbiology & Immunology, USC/Norris Comprehensive Cancer Center, Los Angeles, California, USA
| | - Luise Florin
- Department of Medical Microbiology and Hygiene, University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany
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22
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Qiao Y, Tam JKC, Tan SSL, Tai YK, Chin CY, Stewart AG, Ashman L, Sekiguchi K, Langenbach SY, Stelmack G, Halayko AJ, Tran T. CD151, a laminin receptor showing increased expression in asthmatic patients, contributes to airway hyperresponsiveness through calcium signaling. J Allergy Clin Immunol 2016; 139:82-92.e5. [PMID: 27233153 DOI: 10.1016/j.jaci.2016.03.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 02/22/2016] [Accepted: 03/15/2016] [Indexed: 11/28/2022]
Abstract
BACKGROUND Airway smooth muscle (ASM) contraction underpins airway constriction; however, underlying mechanisms for airway hyperresponsiveness (AHR) remain incompletely defined. CD151, a 4-transmembrane glycoprotein that associates with laminin-binding integrins, is highly expressed in the human lung. The role of CD151 in ASM function and its relationship to asthma have yet to be elucidated. OBJECTIVE We sought to ascertain whether CD151 expression is clinically relevant to asthma and whether CD151 expression affects AHR. METHODS Using immunohistochemical analysis, we determined the expression of CD151 in human bronchial biopsy specimens from patients with varying asthma severities and studied the mechanism of action of CD151 in the regulation of ASM contraction and bronchial caliber in vitro, ex vivo, and in vivo. RESULTS The number of CD151+ ASM cells is significantly greater in patients with moderate asthma compared with those in healthy nonasthmatic subjects. From loss- and gain-of-function studies, we reveal that CD151 is required for and enhances G protein-coupled receptor (GPCR)-induced peak intracellular calcium release, the primary determinant of excitation-contraction coupling. We show that the localization of CD151 can also be perinuclear/cytoplasmic and offer an explanation for a novel functional role for CD151 in supporting protein kinase C (PKC) translocation to the cell membrane in GPCR-mediated ASM contraction at this site. Importantly, CD151-/- mice are refractory to airway hyperreactivity in response to allergen challenge. CONCLUSIONS We identify a role for CD151 in human ASM contraction. We implicate CD151 as a determinant of AHR in vivo, likely through regulation of GPCR-induced calcium and PKC signaling. These observations have significant implications in understanding the mechanism for AHR and the efficacy of new and emerging therapeutics.
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Affiliation(s)
- Yongkang Qiao
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - John Kit Chung Tam
- Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Sheryl S L Tan
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Yee Kit Tai
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Chin Yein Chin
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Alastair G Stewart
- Department of Pharmacology and Therapeutics, and Lung Health Research Centre, University of Melbourne, Melbourne, Australia
| | - Leonie Ashman
- School of Biomedical Sciences, University of Newcastle, Newcastle, Australia
| | | | - Shenna Y Langenbach
- Department of Pharmacology and Therapeutics, and Lung Health Research Centre, University of Melbourne, Melbourne, Australia
| | - Gerald Stelmack
- Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, Manitoba, Canada; Biology of Breathing Theme, Manitoba Institute of Child Health, Winnipeg, Manitoba, Canada
| | - Andrew J Halayko
- Department of Physiology and Pathophysiology, University of Manitoba, Winnipeg, Manitoba, Canada; Biology of Breathing Theme, Manitoba Institute of Child Health, Winnipeg, Manitoba, Canada
| | - Thai Tran
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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23
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Huang X, He D, Ming J, He Y, Zhou C, Ren H, He X, Wang C, Jin J, Ji L, Willard B, Pan B, Zheng L. High-density lipoprotein of patients with breast cancer complicated with type 2 diabetes mellitus promotes cancer cells adhesion to vascular endothelium via ICAM-1 and VCAM-1 upregulation. Breast Cancer Res Treat 2016; 155:441-55. [PMID: 26872904 DOI: 10.1007/s10549-016-3696-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Accepted: 01/30/2016] [Indexed: 10/22/2022]
Abstract
Adhesion of disseminating tumor cells to vascular endothelium is a pivotal starting point in the metastasis cascade. We have shown previously that diabetic high-density lipoprotein (HDL) has the capability of promoting breast cancer metastasis, and this report summarizes our more recent work studying the role of abnormal HDL in facilitating the adhesion of the circulating tumor cells to the endothelium. This is an initiating step in breast cancer metastasis, and this work assesses the role of ICAM-1 and VCAM-1 in this process. MDA-MB-231, MCF 7, and human umbilical vein endothelial cells (HUVECs) were treated with normal HDL from healthy controls (N-HDL), HDL from breast cancer patients (B-HDL), or HDL from breast cancer patients complicated with type 2 diabetes mellitus (BD-HDL), and the cell adhesion abilities were determined. ICAM-1 and VCAM-1 expression as well as the protein kinase C (PKC) activity were evaluated. The effect of PKC inhibitor and PKC siRNA on adhesion was also studied. The immunohistochemical staining of ICAM-1, VCAM-1, and E-selectin from breast cancer patients and breast cancer patients complicated with type 2 diabetes mellitus (T2DM) were examined. Our results indicate that BD-HDL promoted an increase in breast cancer cell adhesion to HUVECs and stimulated higher ICAM-1 and VCAM-1 expression on the cells surface of both breast cancer and HUVEC cells, along with the activation of PKC. Increased tumor cell (TC)-HUVEC adhesion, as well as ICAM-1 and VCAM-1 expression induced by BD-HDL, could be inhibited by staurosporine and PKC siRNA. In addition, a Db/db type 2 diabetes mouse model has more TC-Vascular Endothelium adhesion compared to a normal model. However, BD patients have a lower expression of ICAM-1, VCAM-1, and E-selectin in their tumor tissues. BD-HDL facilitates the adhesion of tumor cells to vascular endothelium by upregulating the expression of ICAM-1 and VCAM-1, thereby promoting the initial progression of breast cancer metastasis. This work indicates a prospective utilization of HDL-based strategies in the treatment of breast cancer patients with type 2 diabetes.
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Affiliation(s)
- Xiaoqin Huang
- Department of Operating Room, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 40010, China
| | - Dan He
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing, 100191, China
| | - Jia Ming
- Department of Operating Room, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 40010, China
| | - Yubin He
- The Military General Hospital of Beijing, Beijing, 100700, China
| | - Champion Zhou
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing, 100191, China
| | - Hui Ren
- Auckland Bioengineering Institute, The University of Auckland, Auckland, 1142, New Zealand
| | - Xin He
- Tianjin Key Laboratory of Radiation Medicine and Nuclear Medicine, Institution of Radiation Medicine, Beijing Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Chenguang Wang
- Tianjin Key Laboratory of Radiation Medicine and Nuclear Medicine, Institution of Radiation Medicine, Beijing Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Jingru Jin
- The Military General Hospital of Beijing, Beijing, 100700, China
| | - Liang Ji
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing, 100191, China
| | - Belinda Willard
- Proteomics Core Laboratory, Research Core Services, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Bing Pan
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing, 100191, China.
| | - Lemin Zheng
- The Institute of Cardiovascular Sciences and Institute of Systems Biomedicine, School of Basic Medical Sciences, and Key Laboratory of Molecular Cardiovascular Sciences of Ministry of Education, Peking University Health Science Center, Beijing, 100191, China.
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Izumi Y, Motoishi M, Furuse K, Furuse M. A tetraspanin regulates septate junction formation in Drosophila midgut. J Cell Sci 2016; 129:1155-64. [PMID: 26848177 DOI: 10.1242/jcs.180448] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2015] [Accepted: 01/27/2016] [Indexed: 01/09/2023] Open
Abstract
Septate junctions (SJs) are membrane specializations that restrict the free diffusion of solutes through the paracellular pathway in invertebrate epithelia. In arthropods, two morphologically different types of septate junctions are observed; pleated (pSJs) and smooth (sSJs), which are present in ectodermally and endodermally derived epithelia, respectively. Recent identification of sSJ-specific proteins, Mesh and Ssk, in Drosophila indicates that the molecular compositions of sSJs and pSJs differ. A deficiency screen based on immunolocalization of Mesh identified a tetraspanin family protein, Tsp2A, as a newly discovered protein involved in sSJ formation in Drosophila Tsp2A specifically localizes at sSJs in the midgut and Malpighian tubules. Compromised Tsp2A expression caused by RNAi or the CRISPR/Cas9 system was associated with defects in the ultrastructure of sSJs, changed localization of other sSJ proteins, and impaired barrier function of the midgut. In most Tsp2A mutant cells, Mesh failed to localize to sSJs and was distributed through the cytoplasm. Tsp2A forms a complex with Mesh and Ssk and these proteins are mutually interdependent for their localization. These observations suggest that Tsp2A cooperates with Mesh and Ssk to organize sSJs.
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Affiliation(s)
- Yasushi Izumi
- Division of Cerebral Structure, National Institute for Physiological Sciences, Okazaki 444-8787, Japan Department of Physiological Sciences, SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan
| | - Minako Motoishi
- Laboratory of Regeneration Biology, Graduate School of Life Science, University of Hyogo, 3-2-1 Kouto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan)
| | - Kyoko Furuse
- Division of Cerebral Structure, National Institute for Physiological Sciences, Okazaki 444-8787, Japan
| | - Mikio Furuse
- Division of Cerebral Structure, National Institute for Physiological Sciences, Okazaki 444-8787, Japan Department of Physiological Sciences, SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, Japan
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25
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Merelo V, Durand D, Lescallette AR, Vrana KE, Hong LE, Faghihi MA, Bellon A. Associating schizophrenia, long non-coding RNAs and neurostructural dynamics. Front Mol Neurosci 2015; 8:57. [PMID: 26483630 PMCID: PMC4588008 DOI: 10.3389/fnmol.2015.00057] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 09/10/2015] [Indexed: 01/10/2023] Open
Abstract
Several lines of evidence indicate that schizophrenia has a strong genetic component. But the exact nature and functional role of this genetic component in the pathophysiology of this mental illness remains a mystery. Long non-coding RNAs (lncRNAs) are a recently discovered family of molecules that regulate gene transcription through a variety of means. Consequently, lncRNAs could help us bring together apparent unrelated findings in schizophrenia; namely, genomic deficiencies on one side and neuroimaging, as well as postmortem results on the other. In fact, the most consistent finding in schizophrenia is decreased brain size together with enlarged ventricles. This anomaly appears to originate from shorter and less ramified dendrites and axons. But a decrease in neuronal arborizations cannot explain the complex pathophysiology of this psychotic disorder; however, dynamic changes in neuronal structure present throughout life could. It is well recognized that the structure of developing neurons is extremely plastic. This structural plasticity was thought to stop with brain development. However, breakthrough discoveries have shown that neuronal structure retains some degree of plasticity throughout life. What the neuroscientific field is still trying to understand is how these dynamic changes are regulated and lncRNAs represent promising candidates to fill this knowledge gap. Here, we present evidence that associates specific lncRNAs with schizophrenia. We then discuss the potential role of lncRNAs in neurostructural dynamics. Finally, we explain how dynamic neurostructural modifications present throughout life could, in theory, reconcile apparent unrelated findings in schizophrenia.
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Affiliation(s)
- Veronica Merelo
- Department of Psychiatry and Behavioral Sciences, University of Miami, Miller School of Medicine Miami, FL, USA
| | - Dante Durand
- Department of Psychiatry and Behavioral Sciences, University of Miami, Miller School of Medicine Miami, FL, USA
| | - Adam R Lescallette
- Penn State Hershey Medical Center, Department of Pharmacology Hershey, PA, USA ; Penn State Hershey Medical Center, Department of Psychiatry Hershey, PA, USA
| | - Kent E Vrana
- Penn State Hershey Medical Center, Department of Pharmacology Hershey, PA, USA
| | - L Elliot Hong
- Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine Baltimore, MD, USA
| | - Mohammad Ali Faghihi
- Center for Therapeutic Innovation, Department of Psychiatry and Behavioral Sciences University of Miami, Miller School of Medicine Miami, FL, USA
| | - Alfredo Bellon
- Penn State Hershey Medical Center, Department of Pharmacology Hershey, PA, USA ; Penn State Hershey Medical Center, Department of Psychiatry Hershey, PA, USA
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Zevian SC, Johnson JL, Winterwood NE, Walters KS, Herndon ME, Henry MD, Stipp CS. CD151 promotes α3β1 integrin-dependent organization of carcinoma cell junctions and restrains collective cell invasion. Cancer Biol Ther 2015; 16:1626-40. [PMID: 26418968 PMCID: PMC4846106 DOI: 10.1080/15384047.2015.1095396] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 08/09/2015] [Accepted: 09/12/2015] [Indexed: 01/31/2023] Open
Abstract
Integrins function in collective migration both as major receptors for extracellular matrix and by crosstalk to adherens junctions. Despite extensive research, important questions remain about how integrin signaling mechanisms are integrated into collective migration programs. Tetraspanins form cell surface complexes with a subset of integrins and thus are good candidates for regulating the balance of integrin functional inputs into cell-matrix and cell-cell interactions. For example, tetraspanin CD151 directly associates with α3β1 integrin in carcinoma cells and promotes rapid α3β1-dependent single cell motility, but CD151 also promotes organized adherens junctions and restrains collective carcinoma cell migration on 2D substrates. However, the individual roles of CD151s integrin partners in CD151s pro-junction activity in carcinoma cells were not well understood. Here we find that CD151 promotes organized carcinoma cell junctions via α3β1 integrin, by a mechanism that requires the a3b1 ligand, laminin-332. Loss of CD151 promotes collective 3D invasion and growth in vitro and in vivo, and the enhanced invasion of CD151-silenced cells is α3 integrin dependent, suggesting that CD151 can regulate the balance between α3β1s pro-junction and pro-migratory activities in collective invasion. An analysis of human cancer cases revealed that changes in CD151 expression can be linked to either better or worse clinical outcomes depending on context, including potentially divergent roles for CD151 in different subsets of breast cancer cases. Thus, the role of the CD151-α3β1 complex in carcinoma progression is context dependent, and may depend on the mode of tumor cell invasion.
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Affiliation(s)
| | | | | | | | - Mary E Herndon
- Department of Biology; University of Iowa; Iowa City, IA USA
| | - Michael D Henry
- Department of Molecular Physiology & Biophysics; University of Iowa; Iowa City, IA USA
- Department of Pathology; University of Iowa; Iowa City, IA USA
- Holden Comprehensive Cancer Center, University of Iowa; Iowa City, IA USA
| | - Christopher S Stipp
- Department of Biology; University of Iowa; Iowa City, IA USA
- Department of Molecular Physiology & Biophysics; University of Iowa; Iowa City, IA USA
- Holden Comprehensive Cancer Center, University of Iowa; Iowa City, IA USA
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Lack of CD151/integrin α3β1 complex is predictive of poor outcome in node-negative lobular breast carcinoma: opposing roles of CD151 in invasive lobular and ductal breast cancers. Br J Cancer 2015; 113:1350-7. [PMID: 26418423 PMCID: PMC4815791 DOI: 10.1038/bjc.2015.344] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 07/20/2015] [Accepted: 09/03/2015] [Indexed: 12/16/2022] Open
Abstract
Background: The proposed involvement of CD151 in breast cancer (BCa) progression is based on findings from studies in invasive ductal carcinoma (IDC). The IDC and invasive lobular carcinoma (ILC) represent distinct disease entities. Here we evaluated clinical significance of CD151 alone and in association with integrin α3β1 in patients with ILC in context of the data of our recent IDC study. Methods: Expression of CD151 and/or integrin α3β1 was evaluated in ILC samples (N=117) using immunohistochemistry. The findings were analysed in relation to our results from an IDC cohort (N=182) demonstrating a prognostic value of an expression of CD151/integrin α3β1 complex in patients with HER2-negative tumours. Results: Unlike in the IDCs, neither CD151 nor CD151/α3β1 complex showed any correlation with any of the ILC characteristics. Lack of both CD151 and α3β1 was significantly correlated with poor survival (P=0.034) in lymph node-negative ILC N(−) cases. The CD151−/α3β1− patients had 3.12-fold higher risk of death from BCa in comparison with the rest of the ILC N(−) patients. Conclusions: Biological role of CD151/α3β1 varies between ILC and IDC. Assessment of CD151/α3β1 might help to identify ILC N(−) patients with increased risk of distant metastases.
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Yamada M, Sekiguchi K. Molecular Basis of Laminin-Integrin Interactions. CURRENT TOPICS IN MEMBRANES 2015; 76:197-229. [PMID: 26610915 DOI: 10.1016/bs.ctm.2015.07.002] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Laminins are composed of three polypeptide chains, designated as α, β, and γ. The C-terminal region of laminin heterotrimers, containing coiled-coil regions, short tails, and laminin globular (LG) domains, is necessary and sufficient for binding to integrins, which are the major laminin receptor class. Laminin recognition by integrins critically requires the α chain LG domains and a glutamic acid residue of the γ chain at the third position from the C-terminus. Furthermore, the C-terminal region of the β chain contains a short amino acid sequence that modulates laminin affinity for integrins. Thus, all three of the laminin chains act cooperatively to facilitate integrin binding. Mammals possess 5 α (α1-5), 3 β (β1-3), and 3 γ (γ1-3) chains, combinations of which give rise to 16 distinct laminin isoforms. Each isoform is expressed in a tissue-specific and developmental stage-specific manner, exerting its functions through binding of integrins. In this review, we detail the current knowledge surrounding the molecular basis and physiological relevance of specific interactions between laminins and integrins, and describe the mechanisms underlying laminin action through integrins.
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Affiliation(s)
- Masashi Yamada
- Laboratory of Extracellular Matrix Biochemistry, Institute for Protein Research, Osaka University, Suita, Osaka, Japan
| | - Kiyotoshi Sekiguchi
- Laboratory of Extracellular Matrix Biochemistry, Institute for Protein Research, Osaka University, Suita, Osaka, Japan
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29
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Detchokul S, Williams ED, Parker MW, Frauman AG. Tetraspanins as regulators of the tumour microenvironment: implications for metastasis and therapeutic strategies. Br J Pharmacol 2015; 171:5462-90. [PMID: 23731188 DOI: 10.1111/bph.12260] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 05/16/2013] [Accepted: 05/16/2013] [Indexed: 12/13/2022] Open
Abstract
UNLABELLED One of the hallmarks of cancer is the ability to activate invasion and metastasis. Cancer morbidity and mortality are largely related to the spread of the primary, localized tumour to adjacent and distant sites. Appropriate management and treatment decisions based on predicting metastatic disease at the time of diagnosis is thus crucial, which supports better understanding of the metastatic process. There are components of metastasis that are common to all primary tumours: dissociation from the primary tumour mass, reorganization/remodelling of extracellular matrix, cell migration, recognition and movement through endothelial cells and the vascular circulation and lodgement and proliferation within ectopic stroma. One of the key and initial events is the increased ability of cancer cells to move, escaping the regulation of normal physiological control. The cellular cytoskeleton plays an important role in cancer cell motility and active cytoskeletal rearrangement can result in metastatic disease. This active change in cytoskeletal dynamics results in manipulation of plasma membrane and cellular balance between cellular adhesion and motility which in turn determines cancer cell movement. Members of the tetraspanin family of proteins play important roles in regulation of cancer cell migration and cancer-endothelial cell interactions, which are critical for cancer invasion and metastasis. Their involvements in active cytoskeletal dynamics, cancer metastasis and potential clinical application will be discussed in this review. In particular, the tetraspanin member, CD151, is highlighted for its major role in cancer invasion and metastasis. LINKED ARTICLES This article is part of a themed section on Cytoskeleton, Extracellular Matrix, Cell Migration, Wound Healing and Related Topics. To view the other articles in this section visit http://dx.doi.org/10.1111/bph.2014.171.issue-24.
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Affiliation(s)
- S Detchokul
- Clinical Pharmacology and Therapeutics Unit, Department of Medicine (Austin Health/Northern Health), The University of Melbourne, Heidelberg, Vic., Australia
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Kumari S, Devi G, Badana A, Dasari VR, Malla RR. CD151-A Striking Marker for Cancer Therapy. BIOMARKERS IN CANCER 2015; 7:7-11. [PMID: 25861224 PMCID: PMC4372031 DOI: 10.4137/bic.s21847] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 01/28/2015] [Accepted: 01/28/2015] [Indexed: 12/28/2022]
Abstract
Cluster of differentiation 151 (CD151) is a member of the mammalian tetraspanin family, which is involved in diverse functions such as maintaining normal cellular integrity, cell-to-cell communication, wound healing, platelet aggregation, trafficking, cell motility and angiogenesis. CD151 also supports de novo carcinogenesis in human skin squamous cell carcinoma (SCC) and tumor metastasis. CD151 interacts with α3β1 and α6β4 integrins through palmitoylation where cysteine plays an important role in the association of CD151 with integrins and non-integrin proteins. Invasion and metastasis of cancer cells were diminished by decreasing CD151 association with integrins. CD151 functions at various stages of cancer, including metastatic cascade and primary tumor growth, thus reinforcing the importance of CD151 as a target in oncology. The present review highlights the role of CD151 in tumor metastasis and its importance in cancer therapy.
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Affiliation(s)
- Seema Kumari
- Cancer Biology Lab, Department of Biochemistry, Institute of Science, GITAM University, Visakhapatnam, Andhra Pradesh, India
| | - Gayatri Devi
- Cancer Biology Lab, Department of Biochemistry, Institute of Science, GITAM University, Visakhapatnam, Andhra Pradesh, India
| | - Anil Badana
- Cancer Biology Lab, Department of Biochemistry, Institute of Science, GITAM University, Visakhapatnam, Andhra Pradesh, India
| | - Venkata Ramesh Dasari
- Department of Cancer Biology and Pharmacology, College of Medicine, University of Illinois, Peoria, IL, USA
| | - Rama Rao Malla
- Cancer Biology Lab, Department of Biochemistry, Institute of Science, GITAM University, Visakhapatnam, Andhra Pradesh, India
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31
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Inoue S, Kondo S, Parichy DM, Watanabe M. Tetraspanin 3c requirement for pigment cell interactions and boundary formation in zebrafish adult pigment stripes. Pigment Cell Melanoma Res 2014; 27:190-200. [PMID: 24734316 DOI: 10.1111/pcmr.12192] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Skin pigment pattern formation in zebrafish requires pigment-cell autonomous interactions between melanophores and xanthophores, yet the molecular bases for these interactions remain largely unknown. Here, we examined the dali mutant that exhibits stripes in which melanophores are intermingled abnormally with xanthophores. By in vitro cell culture, we found that melanophores of dali mutants have a defect in motility and that interactions between melanophores and xanthophores are defective as well. Positional cloning and rescue identified dali as tetraspanin 3c (tspan3c), encoding a transmembrane scaffolding protein expressed by melanophores and xanthophores. We further showed that dali mutant Tspan3c expressed in HeLa cell exhibits a defect in N-glycosylation and is retained inappropriately in the endoplasmic reticulum. Our results are the first to identify roles for a tetraspanin superfamily protein in skin pigment pattern formation and suggest new mechanisms for the establishment and maintenance of zebrafish stripe boundaries.
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Ailane N, Greco C, Zhu Y, Sala-Valdés M, Billard M, Casal I, Bawa O, Opolon P, Rubinstein E, Boucheix C. Effect of an anti-human Co-029/tspan8 mouse monoclonal antibody on tumor growth in a nude mouse model. Front Physiol 2014; 5:364. [PMID: 25285080 PMCID: PMC4168815 DOI: 10.3389/fphys.2014.00364] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Accepted: 09/04/2014] [Indexed: 01/15/2023] Open
Abstract
New therapeutic agents are needed in digestive tract tumors. Co-029/tspan8 is a tetraspanin frequently expressed on human colorectal tumors, In this work, we report the effects of the monoclonal antibody Ts29.2, targeting Co-029/tspan8, on colorectal tumor cells in vitro and after implantation in nude mice. HT29, Isreco1 and SW480 colorectal tumor cell lines were used for this study. HT29 has a strong endogenous expression of Co-029/tspan8, whereas Isreco1 cells don't express Co-029/tspan8 and SW480 has only a weak expression. Isreco1 and SW480 were transduced to express Co-029/tspan8 at the same level as HT29. In order to check the specificity of the effect of monoclonal antibody Ts29.2, low Co-029/tspan8 expressing SW480 cells were injected simultaneously with transduced cells in the back, on the left and right sides of the mice. With an early treatment, Ts29.2 mAb inhibited growth of tumors expressing Co-029/tspan8 up to 70%, whereas a delayed treatment was less efficient. No effect of the antibody on cell proliferation or apoptosis induction was detected in vitro. No increase of activated caspase 3 labeling was observed in vivo and areas occupied by vessels were not significantly different between treated mice and controls. This suggests that the action of Ts29.2 is linked neither to cellular toxicity nor to the inhibition of the previously reported angiogenic properties of Co-029/tspan8. An inhibition of cell proliferation in vivo is demonstrated by a reduction of the mitotic index in HT29 tumors of Ts29.2 treated mice. The discrepancy between in vitro and in vivo data on cell proliferation suggests that the binding of Ts29.2 to tumor cells may modify their response to signals issued from the microenvironment. Given the restricted pattern of tissue expression of the tetraspanin Co-029/tspan8, these preliminary results put forth for consideration the antibody targeting of this tetraspanin in further investigations for therapeutic applications.
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Affiliation(s)
- Naouel Ailane
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
| | - Céline Greco
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
| | - Yingying Zhu
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
| | - Monica Sala-Valdés
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
| | - Martine Billard
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
| | - Ibrahim Casal
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
| | - Olivia Bawa
- Gustave Roussy, Laboratoire de Pathologie Expérimentale Villejuif, France
| | - Paule Opolon
- Gustave Roussy, Laboratoire de Pathologie Expérimentale Villejuif, France
| | - Eric Rubinstein
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
| | - Claude Boucheix
- Inserm, UMR-S1004 Villejuif, France ; Université Paris-Sud 11 Villejuif, France
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The tetraspanin CD151 in papillomavirus infection. Viruses 2014; 6:893-908. [PMID: 24553111 PMCID: PMC3939487 DOI: 10.3390/v6020893] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Revised: 02/11/2014] [Accepted: 02/12/2014] [Indexed: 12/18/2022] Open
Abstract
Human papillomaviruses (HPV) are non-enveloped DNA tumor viruses that infect skin and mucosa. The most oncogenic subtype, HPV16, causes various types of cancer, including cervical, anal, and head and neck cancers. During the multistep process of infection, numerous host proteins are required for the delivery of virus genetic information into the nucleus of target cells. Over the last two decades, many host-cell proteins such as heparan sulfate proteoglycans, integrins, growth factor receptors, actin and the tetraspanin CD151 have been described to be involved in the process of infectious entry of HPV16. Tetraspanins have the ability to organize membrane microdomains and to directly influence the function of associated molecules, including binding of receptors to their ligands, receptor oligomerization and signal transduction. Here, we summarize the current knowledge on CD151, and CD151-associated partners during HPV infection and discuss the underlying mechanisms.
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Sadej R, Grudowska A, Turczyk L, Kordek R, Romanska HM. CD151 in cancer progression and metastasis: a complex scenario. J Transl Med 2014; 94:41-51. [PMID: 24247563 DOI: 10.1038/labinvest.2013.136] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Accepted: 10/22/2013] [Indexed: 12/14/2022] Open
Abstract
Originally identified as a molecular organizer of interacting proteins into tetraspanin-enriched microdomains, the tetraspanin CD151 has now been shown to be involved in tumour progression. Increasing evidence emerging from in vitro, in vivo and clinical analyses implicates this tetraspanin in supporting growth of various types of tumours at different levels. It affects both cell autonomous behavior and communication with neighboring cells and the microenvironment. CD151 regulates post-adhesion events, that is, cell spreading, migration and invasion including subsequent intravasation and formation of metastasis. Present on both neoplastic and endothelial cells, CD151 is engaged in promotion of tumour neovascularization. The molecular mechanism of CD151 in cancer is based on its ability to organize distribution and function of interacting proteins, ie, laminin-binding integrins (α3β1, α6β1 and α6β4), receptors for growth factors (HGFR, EGFR and TGF-β1R) and matrix metalloproteinases (MMP-7, MMP-2 and MMP-9), which indicates its importance in disease development. Results of clinical analyses of CD151 expression in different types of cancer and a large number of in vivo models demonstrate its impact on tumour growth and invasion and implicate CD151 as a valuable diagnostic and prognostic marker as well as a potential target for anti-cancer therapy.
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Affiliation(s)
- Rafal Sadej
- Department of Molecular Enzymology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Alicja Grudowska
- Department of Molecular Enzymology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Lukasz Turczyk
- Department of Molecular Enzymology, Intercollegiate Faculty of Biotechnology, University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Radzislaw Kordek
- Department of Pathology, Medical University of Łódź, Łódź, Poland
| | - Hanna M Romanska
- Department of Pathology, Medical University of Łódź, Łódź, Poland
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Kindlin-1 Mutant Zebrafish as an In Vivo Model System to Study Adhesion Mechanisms in the Epidermis. J Invest Dermatol 2013; 133:2180-90. [DOI: 10.1038/jid.2013.154] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Revised: 03/01/2013] [Accepted: 03/16/2013] [Indexed: 12/27/2022]
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Tejera E, Rocha-Perugini V, López-Martín S, Pérez-Hernández D, Bachir AI, Horwitz AR, Vázquez J, Sánchez-Madrid F, Yáñez-Mo M. CD81 regulates cell migration through its association with Rac GTPase. Mol Biol Cell 2012; 24:261-73. [PMID: 23264468 PMCID: PMC3564539 DOI: 10.1091/mbc.e12-09-0642] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Data presented here provide evidence for a new direct interaction of the GTPase Rac with the C-terminal cytoplasmic domain of tetraspanin CD81. Tetraspanin-enriched, microdomain-dependent compartmentalization is a novel regulatory mechanism of Rac activity turnover, which provides a novel mechanism for regulation of cell motility by tetraspanins. CD81 is a member of the tetraspanin family that has been described to have a key role in cell migration of tumor and immune cells. To unravel the mechanisms of CD81-regulated cell migration, we performed proteomic analyses that revealed an interaction of the tetraspanin C-terminal domain with the small GTPase Rac. Direct interaction was confirmed biochemically. Moreover, microscopy cross-correlation analysis demonstrated the in situ integration of both molecules into the same molecular complex. Pull-down experiments revealed that CD81-Rac interaction was direct and independent of Rac activation status. Knockdown of CD81 resulted in enhanced protrusion rate, altered focal adhesion formation, and decreased cell migration, correlating with increased active Rac. Reexpression of wild-type CD81, but not its truncated form lacking the C-terminal cytoplasmic domain, rescued these effects. The phenotype of CD81 knockdown cells was mimicked by treatment with a soluble peptide with the C-terminal sequence of the tetraspanin. Our data show that the interaction of Rac with the C-terminal cytoplasmic domain of CD81 is a novel regulatory mechanism of the GTPase activity turnover. Furthermore, they provide a novel mechanism for tetraspanin-dependent regulation of cell motility and open new avenues for tetraspanin-targeted reagents by the use of cell-permeable peptides.
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Affiliation(s)
- Emilio Tejera
- Unidad de Investigación, Hospital Santa Cristina, Instituto de Investigación Sanitaria La Princesa, 2006 Madrid, Spain
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Zhang XA, Huang C. Tetraspanins and cell membrane tubular structures. Cell Mol Life Sci 2012; 69:2843-52. [PMID: 22450717 PMCID: PMC10438980 DOI: 10.1007/s00018-012-0954-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2011] [Revised: 02/07/2012] [Accepted: 02/27/2012] [Indexed: 12/14/2022]
Abstract
Tetraspanins regulate a variety of cellular functions. However, the general cellular mechanisms by which tetraspanins regulate these functions remain poorly understood. In this article we collected the observations that tetraspanins regulate the formation and/or development of various tubular structures of cell membrane. Because tetraspanins and their associated proteins (1) are localized at the tubular structures, such as the microvilli, adhesion zipper, foot processes, and penetration peg, and/or (2) regulate the morphogenesis of these membrane tubular structures, tetraspanins probably modulate various cellular functions through these membrane tubular structures. Some tetraspanins inhibit membrane tubule formation and/or extension, while others promote them. We predict that tetraspanins regulate the formation and/or development of various membrane tubular structures: (1) microvilli or nanovilli at the plasma membranes free of cell and matrix contacts, (2) membrane tubules at the plasma membrane of cell-matrix and cell-cell interfaces, and (3) membrane tubules at the intracellular membrane compartments. These different membrane tubular structures likely share a common morphogenetic mechanism that involves tetraspanins. Tetraspanins probably regulate the morphogenesis of membrane tubular structures by altering (1) the biophysical properties of the cell membrane such as curvature and/or (2) the membrane connections of cytoskeleton. Since membrane tubular structures are associated with cell functions such as adhesion, migration, and intercellular communication, in all of which tetraspanins are involved, the differential effects of tetraspanins on membrane tubular structures likely lead to the functional difference of tetraspanins.
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Affiliation(s)
- Xin A Zhang
- Department of Medicine, Vascular Biology and Cancer Centers, University of Tennessee Health Science Center, Cancer Research Building Room 220, 19 South Manassas Street, Memphis, TN 38163, USA.
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Hong IK, Jeoung DI, Ha KS, Kim YM, Lee H. Tetraspanin CD151 stimulates adhesion-dependent activation of Ras, Rac, and Cdc42 by facilitating molecular association between β1 integrins and small GTPases. J Biol Chem 2012; 287:32027-39. [PMID: 22843693 DOI: 10.1074/jbc.m111.314443] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Tetraspanin CD151 associates with laminin-binding α(3)β(1)/α(6)β(1) integrins in epithelial cells and regulates adhesion-dependent signaling events. We found here that CD151 plays a role in recruiting Ras, Rac1, and Cdc42, but not Rho, to the cell membrane region, leading to the formation of α(3)β(1)/α(6)β(1) integrin-CD151-GTPases complexes. Furthermore, cell adhesion to laminin enhanced CD151 association with β(1) integrin and, thereby, increased complex formation between the β(1) family of integrins and small GTPases, Ras, Rac1, and Cdc42. Adhesion receptor complex-associated small GTPases were activated by CD151-β(1) integrin complex-stimulating adhesion events, such as α(3)β(1)/α(6)β(1) integrin-activating cell-to-laminin adhesion and homophilic CD151 interaction-generating cell-to-cell adhesion. Additionally, FAK and Src appeared to participate in this adhesion-dependent activation of small GTPases. However, engagement of laminin-binding integrins in CD151-deficient cells or CD151-specific siRNA-transfected cells did not activate these GTPases to the level of cells expressing CD151. Small GTPases activated by engagement of CD151-β(1) integrin complexes contributed to CD151-induced cell motility and MMP-9 expression in human melanoma cells. Importantly, among the four tetraspanin proteins that associate with β(1) integrin, only CD151 exhibited the ability to facilitate complex formation between the β(1) family of integrins and small GTPases and stimulate β(1) integrin-dependent activation of small GTPases. These results suggest that CD151 links α(3)β(1)/α(6)β(1) integrins to Ras, Rac1, and Cdc42 by promoting the formation of multimolecular complexes in the membrane, which leads to the up-regulation of adhesion-dependent small GTPase activation.
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Affiliation(s)
- In-Kee Hong
- Medical and Bio-Material Research Center, School of Medicine, Kangwon National University, Chunchon, Kangwon-do 200-701, Korea
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Tsujino K, Takeda Y, Arai T, Shintani Y, Inagaki R, Saiga H, Iwasaki T, Tetsumoto S, Jin Y, Ihara S, Minami T, Suzuki M, Nagatomo I, Inoue K, Kida H, Kijima T, Ito M, Kitaichi M, Inoue Y, Tachibana I, Takeda K, Okumura M, Hemler ME, Kumanogoh A. Tetraspanin CD151 protects against pulmonary fibrosis by maintaining epithelial integrity. Am J Respir Crit Care Med 2012; 186:170-80. [PMID: 22592804 DOI: 10.1164/rccm.201201-0117oc] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
RATIONALE Idiopathic pulmonary fibrosis (IPF) is a chronic pulmonary disorder of unknown etiology with few treatment options. Although tetraspanins are involved in various diseases, their roles in fibrosis have not been determined. OBJECTIVES To investigate the role of tetraspanin CD151 in pulmonary fibrosis. METHODS CD151 knockout (KO) mice were studied by histological, biochemical, and physiological analyses and compared with wild-type mice and CD9 KO mice. Further mechanistic analyses were performed in vitro, in vivo, and on samples from patients with IPF. MEASUREMENTS AND MAIN RESULTS A microarray study identified an enrichment of genes involved in connective tissue disorders in the lungs of CD151 KO mice, but not in CD9 KO mice. Consistent with this, CD151 KO mice spontaneously exhibited age-related pulmonary fibrosis. Deletion of CD151 did not affect pulmonary fibroblast functions but instead degraded epithelial integrity via attenuated adhesion strength on the basement membrane; CD151-deleted alveolar epithelial cells exhibited increased α-SMA expression with activation of p-Smad2, leading to fibrotic changes in the lungs. This loss of epithelial integrity in CD151 KO lungs was further exacerbated by intratracheal bleomycin exposure, resulting in severe fibrosis with increased mortality. We also observed decreased numbers of CD151-positive alveolar epithelial cells in patients with IPF. CONCLUSIONS CD151 is essential for normal function of alveolar epithelial cells; loss of CD151 causes pulmonary fibrosis as a result of epithelial disintegrity. Given that CD151 may protect against fibrosis, this protein represents a novel target for the treatment of fibrotic diseases.
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Affiliation(s)
- Kazuyuki Tsujino
- Department of Respiratory Medicine, Allergy, and Rheumatic Diseases, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
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Mosig RA, Lin L, Senturk E, Shah H, Huang F, Schlosshauer P, Cohen S, Fruscio R, Marchini S, D'Incalci M, Sachidanandam R, Dottino P, Martignetti JA. Application of RNA-Seq transcriptome analysis: CD151 is an Invasion/Migration target in all stages of epithelial ovarian cancer. J Ovarian Res 2012; 5:4. [PMID: 22272937 PMCID: PMC3288733 DOI: 10.1186/1757-2215-5-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2011] [Accepted: 01/24/2012] [Indexed: 12/22/2022] Open
Abstract
Background RNA-Seq allows a theoretically unbiased analysis of both genome-wide transcription levels and mutation status of a tumor. Using this technique we sought to identify novel candidate therapeutic targets expressed in epithelial ovarian cancer (EOC). Methods Specifically, we sought candidate invasion/migration targets based on expression levels across all tumors, novelty of expression in EOC, and known function. RNA-Seq analysis revealed the high expression of CD151, a transmembrane protein, across all stages of EOC. Expression was confirmed at both the mRNA and protein levels using RT-PCR and immunohistochemical staining, respectively. Results In both EOC tumors and normal ovarian surface epithelial cells we demonstrated CD151 to be localized to the membrane and cell-cell junctions in patient-derived and established EOC cell lines. We next evaluated its role in EOC dissemination using two ovarian cancer-derived cell lines with differential levels of CD151 expression. Targeted antibody-mediated and siRNA inhibition or loss of CD151 in SKOV3 and OVCAR5 cell lines effectively inhibited their migration and invasion. Conclusion Taken together, these findings provide the first proof-of-principle demonstration for a next generation sequencing approach to identifying candidate therapeutic targets and reveal CD151 to play a role in EOC dissemination.
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Affiliation(s)
- Rebecca A Mosig
- Department of Genetics and Genomic Sciences, Mount Sinai School of Medicine, New York, NY, USA.
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Lin PC, Lin SC, Lee CT, Lin YJ, Lee JC. Dynamic change of tetraspanin CD151 membrane protein expression in colorectal cancer patients. Cancer Invest 2011; 29:542-7. [PMID: 21913879 DOI: 10.3109/07357907.2011.606251] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
PURPOSE To measure the CD151 expression in colorectal cancer (CRC). METHODS CD151 expression was assessed in 179 CRC patients and 39 patients with hepatic liver metastasis. RESULTS High CD151 expression was observed in 48% of patients with early-stage CRC versus only 33% of patients with metastatic colon cancer. A higher level of tumor invasion status correlated with a decrease in CD151 expression. Metastatic stage and advanced tumor stage correlated with a decreased CD151 expression. Twenty-seven out of the 39-paired samples had high CD151 expression in liver metastasis sites. CONCLUSIONS CD151 expression is decreased in patients with metastatic CRC.
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Affiliation(s)
- Peng-Chan Lin
- Department of Surgery, National Cheng-Kung University Hospital, Tainan, Taiwan
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Bari R, Guo Q, Xia B, Zhang YH, Giesert EE, Levy S, Zheng JJ, Zhang XA. Tetraspanins regulate the protrusive activities of cell membrane. Biochem Biophys Res Commun 2011; 415:619-26. [PMID: 22079629 DOI: 10.1016/j.bbrc.2011.10.121] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Accepted: 10/26/2011] [Indexed: 02/07/2023]
Abstract
Tetraspanins have gained increased attention due to their functional versatility. But the universal cellular mechanism that governs such versatility remains unknown. Herein we present the evidence that tetraspanins CD81 and CD82 regulate the formation and/or development of cell membrane protrusions. We analyzed the ultrastructure of the cells in which a tetraspanin is either overexpressed or ablated using transmission electron microscopy. The numbers of microvilli on the cell surface were counted, and the radii of microvillar tips and the lengths of microvilli were measured. We found that tetraspanin CD81 promotes the microvillus formation and/or extension while tetraspanin CD82 inhibits these events. In addition, CD81 enhances the outward bending of the plasma membrane while CD82 inhibits it. We also found that CD81 and CD82 proteins are localized at microvilli using immunofluorescence. CD82 regulates microvillus morphogenesis likely by altering the plasma membrane curvature and/or the cortical actin cytoskeletal organization. We predict that membrane protrusions embody a common morphological phenotype and cellular mechanism for, at least some if not all, tetraspanins. The differential effects of tetraspanins on microvilli likely lead to the functional diversification of tetraspanins and appear to correlate with their functional propensity.
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Affiliation(s)
- Rafijul Bari
- Cancer Center and Department of Medicine, University of Tennessee, Memphis, TN, USA
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Devbhandari RP, Shi GM, Ke AW, Wu FZ, Huang XY, Wang XY, Shi YH, Ding ZB, Xu Y, Dai Z, Fan J, Zhou J. Profiling of the tetraspanin CD151 web and conspiracy of CD151/integrin β1 complex in the progression of hepatocellular carcinoma. PLoS One 2011; 6:e24901. [PMID: 21961047 PMCID: PMC3178554 DOI: 10.1371/journal.pone.0024901] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 08/18/2011] [Indexed: 12/15/2022] Open
Abstract
Tetraspanin CD151 has been implicated in metastasis through forming complexes with different molecular partners. In this study, we mapped tetraspanin web proteins centered on CD151, in order to explore the role of CD151 complexes in the progression of hepatocellular carcinoma (HCC). Immunoprecipitation was used to isolate tetraspanin complexes from HCCLM3 cells using a CD151 antibody, and associated proteins were identified by mass spectrometry. The interaction of CD151 and its molecular partners, and their roles in invasiveness and metastasis of HCC cells were assayed through disruption of the CD151 network. Finally, the clinical implication of CD151 complexes in HCC patients was also examined. In this study, we identified 58 proteins, characterized the tetraspanin CD151 web, and chose integrin β1 as a main partner to further investigate. When the CD151/integrin β1 complex in HCC cells was disrupted, migration, invasiveness, secretion of matrix metalloproteinase 9, and metastasis were markedly influenced. However, both CD151 and integrin β1 expression were untouched. HCC patients with high expression of CD151/integrin β1 complex had the poorest prognosis of the whole cohort of patients. Together, our data show that CD151 acts as an important player in the progression of HCC in an integrin β1-dependent manner.
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Affiliation(s)
- Ranjan Prasad Devbhandari
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Guo-Ming Shi
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Ai-Wu Ke
- Department of Gastroenterology, Tongji University School of Medicine, Shanghai Tenth People's Hospital, Shanghai, People's Republic of China
| | - Fei-Zhen Wu
- Laboratory of Epigenetics, Institutes of Biomedical Sciences, Fudan University, Shanghai, People's Republic of China
| | - Xiao-Yong Huang
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Xiao-Ying Wang
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Ying-Hong Shi
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Zhen-Bin Ding
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Yang Xu
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Zhi Dai
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
| | - Jia Fan
- Cancer Center, Institutes of Biomedical Sciences, Fudan University, Shanghai, People's Republic of China
- * E-mail: (JZ); (JF)
| | - Jian Zhou
- Liver Cancer Institute, Shanghai Medical School, Fudan University, Zhongshan Hospital, Shanghai, People's Republic of China
- * E-mail: (JZ); (JF)
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Tetraspanin CD151 maintains vascular stability by balancing the forces of cell adhesion and cytoskeletal tension. Blood 2011; 118:4274-84. [PMID: 21832275 DOI: 10.1182/blood-2011-03-339531] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Tetraspanin CD151 is highly expressed in endothelial cells and regulates pathologic angiogenesis. However, the mechanism by which CD151 promotes vascular morphogenesis and whether CD151 engages other vascular functions are unclear. Here we report that CD151 is required for maintaining endothelial capillary-like structures formed in vitro and the integrity of endothelial cell-cell and cell-matrix contacts in vivo. In addition, vascular permeability is markedly enhanced in the absence of CD151. As a global regulator of endothelial cell-cell and cell-matrix adhesions, CD151 is needed for the optimal functions of various cell adhesion proteins. The loss of CD151 elevates actin cytoskeletal traction by up-regulating RhoA signaling and diminishes actin cortical meshwork by down-regulating Rac1 activity. The inhibition of RhoA or activation of cAMP signaling stabilizes CD151-silenced or -null endothelial structure in vascular morphogenesis. Together, our data demonstrate that CD151 maintains vascular stability by promoting endothelial cell adhesions, especially cell-cell adhesion, and confining cytoskeletal tension.
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Abstract
CD151 is a plasma membrane protein belonging to the tetraspanin superfamily which is expressed on normal cells such as endothelial cells and platelets and frequently overexpressed on cancer cells. It is known to be functionally linked to cancer metastasis. In humans, increased expression of CD151 is indicative of a poor prognosis in different cancer types. Whereas its mechanism of action remains obscure, CD151 was shown to regulate cell motility and adhesion through association with laminin-binding integrins such as α3β1 or α6β4. Several anti-CD151 mAbs (monoclonal antibodies) have been shown to display anti-metastatic activity in vivo. Inhibition of metastasis was not attributed to any effect of these mAbs on tumour cell growth, but was essentially attributed to inhibition of cell motility. We have generated anti-CD151 mAbs which can inhibit the tumoral growth in different xenograft cancer models. As expected, these mAbs were also able to inhibit metastasis in orthotopic cancer models. These data suggest that CD151 could function at multiple cancer stages, including not only metastasis cascade steps, but also earlier steps of primary tumour growth, thus reinforcing the interest of this innovative target in oncology. mAbs targeting CD151 may be of significant interest for cancer biotherapy.
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Zhu GH, Huang C, Qiu ZJ, Liu J, Zhang ZH, Zhao N, Feng ZZ, Lv XH. Expression and prognostic significance of CD151, c-Met, and integrin alpha3/alpha6 in pancreatic ductal adenocarcinoma. Dig Dis Sci 2011; 56:1090-8. [PMID: 20927591 DOI: 10.1007/s10620-010-1416-x] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2010] [Accepted: 08/26/2010] [Indexed: 12/20/2022]
Abstract
BACKGROUND CD151, c-Met, and integrin alpha3/alpha6 are all involved in the hepatocyte growth factor (HGF)/c-Met signal pathway, which plays an important role in the malignant progression of tumors. AIMS The purpose of this study was to explore the expression and prognostic significance of these proteins in pancreatic ductal adenocarcinoma (PDAC). METHODS We used immunohistochemical methods to investigate the expression patterns of CD151, c-Met, and integrin alpha3/alpha6proteins in 71 patients with PDAC and in ten samples of normal pancreatic tissue. We also assessed correlations between these proteins and clinicopathological parameters and survival of PDAC patients using various statistical methods. RESULTS CD151, c-Met, and integrin alpha3/alpha6 were all overexpressed in PDAC. CD151 and c-Met overexpressions were significantly associated with TNM stage (p=0.001 and p=0.038, respectively) and lymph node invasion (p=0.000, p=0.012, respectively). A significant positive linear correlation was found between CD151 and c-Met (r=0.583; p=0.000), integrin alpha3 (r=0.457; p=0.000), and integrin alpha6 (r=0.671; p=0.000). Overexpression of CD151, c-Met, integrin alpha3, or integrin alpha6 was related to poor survival of PDAC patients (p=0.000, p=0.000, p=0.005, and p=0.003, respectively), and CD151 and c-Met were independent factors in prognosis of PDAC. CONCLUSIONS CD151, c-Met, and integrin alpha3/alpha6 were all overexpressed in PDAC. CD151 and c-Met might be new molecular markers to predict the prognosis of PDAC patients.
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Affiliation(s)
- Guang-Hui Zhu
- Department of General Surgery, Affiliated First People's Hospital, Shanghai Jiao Tong University, 200080, Shanghai, China.
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McCabe KL, Bronner M. Tetraspanin, CD151, is required for maintenance of trigeminal placode identity. J Neurochem 2011; 117:221-30. [PMID: 21250998 DOI: 10.1111/j.1471-4159.2011.07190.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The trigeminal ganglion is the largest of the cranial ganglia and responsible for transmitting sensory information for much of the face. The cell surface glycoprotein CD151 is an early marker of the trigeminal placode, the precursor to the ganglion. Here, we investigate the role of CD151 during specification of trigeminal placode cells in the developing chicken embryo. Expression of the transcription factor Pax3, the earliest known marker of the trigeminal placode, briefly precedes that of CD151, but they then subsequently overlap in the trigeminal placode. Loss of CD151 protein dramatically decreases the number of Pax3+ placode cells in Stage 13-14 embryos, leading to loss of ophthalmic trigeminal neurons by Stages 16 and 17. Although the initial size of the Pax3 population is similar to that in controls, the number of Pax3+ cells decreases with time without alterations in cell death or proliferation. This suggests a role for CD151 in maintenance of the specification state in the trigeminal placode, uncovering the first known role for a tetraspanin in a developmental system.
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CD151: Basis Sequence: Mouse. ACTA ACUST UNITED AC 2011; 2011. [PMID: 25983660 DOI: 10.1038/mp.a004123.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Tetraspanins and tumor progression. Clin Exp Metastasis 2010; 28:261-70. [DOI: 10.1007/s10585-010-9365-5] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2010] [Accepted: 11/30/2010] [Indexed: 02/07/2023]
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Whiting CC, Su LL, Lin JT, Fathman CG. GRAIL: a unique mediator of CD4 T-lymphocyte unresponsiveness. FEBS J 2010; 278:47-58. [PMID: 21078124 DOI: 10.1111/j.1742-4658.2010.07922.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
GRAIL (gene related to anergy in lymphocytes, also known as RNF128), an ubiquitin-protein ligase (E3), utilizes a unique single transmembrane protein with a split-function motif, and is an important gatekeeper of T-cell unresponsiveness. Although it may play a role in other CD4 T-cell functions including activation, survival and differentiation, GRAIL is most well characterized as a negative regulator of T-cell receptor responsiveness and cytokine production. Here, we review the recent literature on this remarkable E3 in the regulation of human and mouse CD4 T-cell unresponsiveness.
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Affiliation(s)
- Chan C Whiting
- Department of Medicine, Stanford University, Stanford, CA 94305, USA
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