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Caforio M, Tumino N, Sorino C, Manni I, Di Giovenale S, Piaggio G, Iezzi S, Strimpakos G, Mattei E, Moretta L, Fanciulli M, Vacca P, Locatelli F, Folgiero V. AATF/Che-1 RNA polymerase II binding protein overexpression reduces the anti-tumor NK-cell cytotoxicity through activating receptors modulation. Front Immunol 2023; 14:1191908. [PMID: 37435061 PMCID: PMC10332273 DOI: 10.3389/fimmu.2023.1191908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 06/06/2023] [Indexed: 07/13/2023] Open
Abstract
Introduction AATF/Che-1 over-expression in different tumors is well known and its effect on tumorigenicity is mainly due to its central role demonstrated in the oncogenic pathways of solid tumors, where it controls proliferation and viability. The effect exerted by tumors overexpressing Che-1 on the immune response has not yet been investigated. Methods Starting from ChIP-sequencing data we confirmed Che-1 enrichment on Nectin-1 promoter. Several co-cultures experiments between NK-cells and tumor cells transduced by lentiviral vectors carrying Che-1-interfering sequence, analyzed by flow-cytometry have allowed a detailed characterization of NK receptors and tumor ligands expression. Results Here, we show that Che-1 is able to modulate the expression of Nectin-1 ligand at the transcriptional level, leading to the impairment of killing activity of NK-cells. Nectin-1 down-modulation induces a modification in NK-cell ligands expression able to interact with activating receptors and to stimulate NK-cell function. In addition, NK-cells from Che-1 transgenic mice, confirming a reduced expression of activating receptors, exhibit impaired activation and a preferential immature status. Discussion The critical equilibrium between NK-cell ligand expression on tumor cells and the interaction with NK cell receptors is affected by Che-1 over-expression and partially restored by Che-1 interference. The evidence of a new role for Che-1 as regulator of anti-tumor immunity supports the necessity to develop approaches able to target this molecule which shows a dual tumorigenic function as cancer promoter and immune response modulator.
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Affiliation(s)
- Matteo Caforio
- Department of Pediatric Hematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Nicola Tumino
- Immunology Research Area, Innate Lymphoid Cells Unit, Bambino Gesù Children’s Hospital Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Cristina Sorino
- Stabilimento Allevamento Fornitore e Utilizzatore (SAFU) Laboratory, Department of Research, Advanced Diagnostic, Technological Innovation, Regina Elena National Cancer Institute Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Isabella Manni
- Stabilimento Allevamento Fornitore e Utilizzatore (SAFU) Laboratory, Department of Research, Advanced Diagnostic, Technological Innovation, Regina Elena National Cancer Institute Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Stefano Di Giovenale
- Stabilimento Allevamento Fornitore e Utilizzatore (SAFU) Laboratory, Department of Research, Advanced Diagnostic, Technological Innovation, Regina Elena National Cancer Institute Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Giulia Piaggio
- Stabilimento Allevamento Fornitore e Utilizzatore (SAFU) Laboratory, Department of Research, Advanced Diagnostic, Technological Innovation, Regina Elena National Cancer Institute Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Simona Iezzi
- Stabilimento Allevamento Fornitore e Utilizzatore (SAFU) Laboratory, Department of Research, Advanced Diagnostic, Technological Innovation, Regina Elena National Cancer Institute Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Georgios Strimpakos
- National Research Council (CNR), Institute of Biochemistry and Cell Biology, Monterotondo, Rome, Italy
| | - Elisabetta Mattei
- Consiglio Nazionale delle Ricerche (CNR)-Institute of Cell Biology and Neurobiology, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS) Fondazione Santa Lucia, Rome, Italy
| | - Lorenzo Moretta
- Tumor Immunology Unit , Children Hospital Bambino Gesù, RomaLM, Rome, Italy
| | - M. Fanciulli
- Stabilimento Allevamento Fornitore e Utilizzatore (SAFU) Laboratory, Department of Research, Advanced Diagnostic, Technological Innovation, Regina Elena National Cancer Institute Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Paola Vacca
- Immunology Research Area, Innate Lymphoid Cells Unit, Bambino Gesù Children’s Hospital Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Franco Locatelli
- Department of Pediatric Hematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
- Department of Life Sciences and Public Health, Catholic University of the Sacred Heart, Rome, Italy
| | - Valentina Folgiero
- Department of Pediatric Hematology and Oncology, Cell and Gene Therapy, Bambino Gesù Children’s Hospital, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Rome, Italy
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Duraivelan K, Samanta D. Emerging roles of the nectin family of cell adhesion molecules in tumour-associated pathways. Biochim Biophys Acta Rev Cancer 2021; 1876:188589. [PMID: 34237351 DOI: 10.1016/j.bbcan.2021.188589] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/24/2021] [Accepted: 07/02/2021] [Indexed: 02/07/2023]
Abstract
Tumour cells achieve maximum survival by modifying cellular machineries associated with processes such as cell division, migration, survival, and apoptosis, resulting in genetically complex and heterogeneous populations. While nectin and nectin-like cell adhesion molecules control development and maintenance of multicellular organisation in higher vertebrates by mediating cell-cell adhesion and related signalling processes, recent studies indicate that they also critically regulate growth and development of different types of cancers. In this review, we detail current knowledge about the role of nectin family members in various tumours. Furthermore, we also analyse the seemingly opposing roles of some members of nectin family in tumour-associated pathways, as they function as both tumour suppressors and oncogenes. Understanding this functional duality of nectin family in tumours will further our knowledge of molecular mechanisms regulating tumour development and progression, and contribute to the advancement of tumour diagnosis and therapy.
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Affiliation(s)
- Kheerthana Duraivelan
- School of Bioscience, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
| | - Dibyendu Samanta
- School of Bioscience, Indian Institute of Technology Kharagpur, Kharagpur 721302, West Bengal, India.
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Pogorzelska-Dyrbus J, Szepietowski JC. Adhesion Molecules in Non-melanoma Skin Cancers: A Comprehensive Review. In Vivo 2021; 35:1327-1336. [PMID: 33910810 DOI: 10.21873/invivo.12385] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/05/2021] [Accepted: 03/19/2021] [Indexed: 12/18/2022]
Abstract
Basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) are the most frequently diagnosed cancers, generating significant medical and financial problems. Cutaneous carcinogenesis is a very complex process characterized by genetic and molecular alterations, and mediated by various proteins and pathways. Cell adhesion molecules (CAMs) are transmembrane proteins responsible for cell-to-cell and cell-to-extracellular matrix adhesion, engaged in all steps of tumor progression. Based on their structures they are divided into five major groups: cadherins, integrins, selectins, immunoglobulins and CD44 family. Cadherins, integrins and CD44 are the most studied in the context of non-melanoma skin cancers. The differences in expression of adhesion molecules may be related to the invasiveness of these tumors, through the loss of tissue integrity, neovascularization and alterations in intercellular signaling processes. In this article, each group of CAMs is briefly described and the present knowledge on their role in the development of non-melanoma skin cancers is summarized.
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Affiliation(s)
| | - Jacek C Szepietowski
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
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Erturk K, Karaman S, Dagoglu N, Serilmez M, Duranyildiz D, Tas F. Serum nectin-2 and nectin-4 are diagnostic in lung cancer: which is superior? Wien Klin Wochenschr 2019; 131:419-426. [DOI: 10.1007/s00508-019-01537-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 07/27/2019] [Indexed: 01/09/2023]
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Tampakis A, Tampaki EC, Nonni A, Droeser R, Posabella A, Tsourouflis G, Kontzoglou K, Patsouris E, von Flüe M, Kouraklis G. Nectin-1 Expression in Colorectal Cancer: Is There a Group of Patients with High Risk for Early Disease Recurrence? Oncology 2019; 96:318-325. [PMID: 30917374 DOI: 10.1159/000499569] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 03/07/2019] [Indexed: 11/19/2022]
Abstract
BACKGROUND Despite improvements in therapy of colorectal cancer, some patients will present occurrence of recurrence either locally or distantly. Tumor metastasis constitutes the major cause of cancer-associated morbidity and mortality. Nectin-1 belongs to the family of immunoglobulin-like cell adhesion molecules that contribute to the formation of cell-cell adhesions and regulate a series of cellular activities including cell polarization, differentiation, movement, proliferation, and survival. Expression of Nectin-1 in malignant tumors has been associated with aggressive tumor phenotypes. OBJECTIVES The aim of the present study was to assess Nectin-1 expression patterns in colorectal cancer and to investigate its clinical significance. METHODS Nectin-1 expression was assessed via immunohistochemistry in surgical specimens of a cohort comprised of 111 patients with primary resectable colorectal cancer. Results were correlated with clinicopathological characteristics and survival data. Progression-free survival was defined as the primary outcome of the present study. RESULTS Nectin-1 was strongly expressed in the cytoplasm of colorectal cancer cells. High Nectin-1 expression was associated with advanced stage of disease (p = 0.012) and lymph node metastasis (p = 0.007). Progression-free survival of patients exhibiting high expression of Nectin-1 in the first 36 months after surgery was significantly worse compared to patients with low expression of Nectin-1 (55.7%, 95% CI = 47-70, vs. 82.1%, 95% CI = 69-93, p = 0.014) and independent of other clinicopathological characteristics (HR = 0.389, 95% CI = 0.156-0.972, p = 0.043). CONCLUSION Nectin-1 expression in colorectal cancer is associated with a significantly worse 3-year progression-free survival identifying therefore a group of patients with high risk for early disease recurrence.
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Affiliation(s)
- Athanasios Tampakis
- Clarunis University Center of Gastrointestinal and Liver Disorders, Department of Visceral Surgery, University Hospital Basel, Basel, Switzerland, .,2nd Department of Propedeutic Surgery, Athens University Medical School, Laiko General Hospital, Athens, Greece,
| | - Ekaterini Christina Tampaki
- 2nd Department of Propedeutic Surgery, Athens University Medical School, Laiko General Hospital, Athens, Greece
| | - Afroditi Nonni
- 1st Department of Pathology, School of Medicine, National University of Athens, Athens, Greece
| | - Raoul Droeser
- Clarunis University Center of Gastrointestinal and Liver Disorders, Department of Visceral Surgery, University Hospital Basel, Basel, Switzerland
| | - Alberto Posabella
- Clarunis University Center of Gastrointestinal and Liver Disorders, Department of Visceral Surgery, University Hospital Basel, Basel, Switzerland
| | - Gerasimos Tsourouflis
- 2nd Department of Propedeutic Surgery, Athens University Medical School, Laiko General Hospital, Athens, Greece
| | - Konstantinos Kontzoglou
- 2nd Department of Propedeutic Surgery, Athens University Medical School, Laiko General Hospital, Athens, Greece
| | - Efstratios Patsouris
- 1st Department of Pathology, School of Medicine, National University of Athens, Athens, Greece
| | - Markus von Flüe
- Clarunis University Center of Gastrointestinal and Liver Disorders, Department of Visceral Surgery, University Hospital Basel, Basel, Switzerland
| | - Gregory Kouraklis
- 2nd Department of Propedeutic Surgery, Athens University Medical School, Laiko General Hospital, Athens, Greece
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Yamada M, Hirabayashi K, Kawanishi A, Hadano A, Takanashi Y, Izumi H, Kawaguchi Y, Mine T, Nakamura N, Nakagohri T. Nectin-1 expression in cancer-associated fibroblasts is a predictor of poor prognosis for pancreatic ductal adenocarcinoma. Surg Today 2017; 48:510-516. [PMID: 29256146 DOI: 10.1007/s00595-017-1618-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 11/27/2017] [Indexed: 12/21/2022]
Abstract
PURPOSE Nectin-1 is a cell adhesion molecule that regulates the formation of adherens junctions and tight junctions. We measured the expression of nectin-1 in cancer-associated fibroblasts (CAFs) in patients with pancreatic ductal adenocarcinoma (PDAC). METHODS Nectin-1 expression was measured via immunohistochemistry using tissue microarray blocks constructed from resected PDAC tissue from 258 patients. We screened for associations between nectin-1 expression and clinicopathological parameters. According to the percentage of CAFs stained, expression was classified as negative at ≤ 30% and positive at > 30%. RESULTS Nectin-1 expression was confirmed in CAFs from 64 patients (24.8%), and was associated with lymph node metastasis (p = 0.016), advanced Union for International Cancer Control stage (p = 0.016), perineural invasion (p = 0.022), pancreatic head tumors (p = 0.023), and shorter overall survival (p = 0.003). Multivariate analysis revealed that nectin-1 expression in CAFs was an independent prognostic factor (p = 0.038). CONCLUSIONS Diffuse nectin-1 expression in the CAFs of PDAC patients is associated with invasion, metastasis, and shorter survival.
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Affiliation(s)
- Misuzu Yamada
- Department of Surgery, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Kenichi Hirabayashi
- Department of Pathology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan.
| | - Aya Kawanishi
- Department of Gastroenterology and Hepatology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Atsuko Hadano
- Department of Gastroenterology and Hepatology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Yumi Takanashi
- Department of Pathology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan
| | - Hideki Izumi
- Department of Surgery, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Yoshiaki Kawaguchi
- Department of Gastroenterology and Hepatology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Tetsuya Mine
- Department of Gastroenterology and Hepatology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Naoya Nakamura
- Department of Pathology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193, Japan
| | - Toshio Nakagohri
- Department of Surgery, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
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Mechanical Barriers Restrict Invasion of Herpes Simplex Virus 1 into Human Oral Mucosa. J Virol 2017; 91:JVI.01295-17. [PMID: 28878080 DOI: 10.1128/jvi.01295-17] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 08/29/2017] [Indexed: 12/22/2022] Open
Abstract
Oral mucosa is one of the main target tissues of the human pathogen herpes simplex virus 1 (HSV-1). How the virus overcomes the protective epithelial barriers and penetrates the tissue to reach its receptors and initiate infection is still unclear. Here, we established an ex vivo infection assay with human oral mucosa that allows viral entry studies in a natural target tissue. The focus was on the susceptibility of keratinocytes in the epithelium and the characterization of cellular receptors that mediate viral entry. Upon ex vivo infection of gingiva or vestibular mucosa, we observed that intact human mucosa samples were protected from viral invasion. In contrast, the basal layer of the oral epithelium was efficiently invaded once the connective tissue and the basement membrane were removed. Later during infection, HSV-1 spread from basal keratinocytes to upper layers, demonstrating the susceptibility of the stratified squamous epithelium to HSV-1. The analysis of potential receptors revealed nectin-1 on most mucosal keratinocytes, whereas herpesvirus entry mediator (HVEM) was found only on a subpopulation of cells, suggesting that nectin-1 acts as primary receptor for HSV-1 in human oral mucosa. To mimic the supposed entry route of HSV-1 via microlesions in vivo, we mechanically wounded the mucosa prior to infection. While we observed a limited number of infected keratinocytes in some wounded mucosa samples, other samples showed no infected cells. Thus, we conclude that mechanical wounding of mucosa is insufficient for the virus to efficiently overcome epithelial barriers and to make entry-mediating receptors accessible.IMPORTANCE To invade the target tissue of its human host during primary infection, herpes simplex virus (HSV) must overcome the epithelial barriers of mucosa, skin, or cornea. For most viruses, the mechanisms underlying the invasion into the target tissues of their host organism are still open. Here, we established an ex vivo infection model of human oral mucosa to explore how HSV can enter its target tissue. Our results demonstrate that intact mucosa samples and even compromised tissue allow only very limited access of HSV to keratinocytes. Detailed understanding of barrier functions is an essential precondition to unravel how HSV bypasses the barriers and approaches its receptors in tissue and why it is beneficial for the virus to use a cell-cell adhesion molecule, such as nectin-1, as a receptor.
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Pisamai S, Rungsipipat A, Kalpravidh C, Suriyaphol G. Gene expression profiles of cell adhesion molecules, matrix metalloproteinases and their tissue inhibitors in canine oral tumors. Res Vet Sci 2017; 113:94-100. [DOI: 10.1016/j.rvsc.2017.09.009] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 08/06/2017] [Accepted: 09/07/2017] [Indexed: 12/15/2022]
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Hayashi R, Abe R, Shimomura Y. Expression studies of nectin-1 in human hair follicles and identification of a p63-responsive element in the NECTIN1 promoter. J Dermatol Sci 2016; 84:221-224. [PMID: 27516130 DOI: 10.1016/j.jdermsci.2016.08.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 06/21/2016] [Accepted: 08/02/2016] [Indexed: 10/21/2022]
Affiliation(s)
- Ryota Hayashi
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Riichiro Abe
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Yutaka Shimomura
- Division of Dermatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan.
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Kitayama M, Mizutani K, Maruoka M, Mandai K, Sakakibara S, Ueda Y, Komori T, Shimono Y, Takai Y. A Novel Nectin-mediated Cell Adhesion Apparatus That Is Implicated in Prolactin Receptor Signaling for Mammary Gland Development. J Biol Chem 2016; 291:5817-5831. [PMID: 26757815 PMCID: PMC4786717 DOI: 10.1074/jbc.m115.685917] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 01/08/2016] [Indexed: 11/06/2022] Open
Abstract
Mammary gland development is induced by the actions of various hormones to form a structure consisting of collecting ducts and milk-secreting alveoli, which comprise two types of epithelial cells known as luminal and basal cells. These cells adhere to each other by cell adhesion apparatuses whose roles in hormone-dependent mammary gland development remain largely unknown. Here we identified a novel cell adhesion apparatus at the boundary between the luminal and basal cells in addition to desmosomes. This apparatus was formed by the trans-interaction between the cell adhesion molecules nectin-4 and nectin-1, which were expressed in the luminal and basal cells, respectively. Nectin-4 of this apparatus further cis-interacted with the prolactin receptor in the luminal cells to enhance the prolactin-induced prolactin receptor signaling for alveolar development with lactogenic differentiation. Thus, a novel nectin-mediated cell adhesion apparatus regulates the prolactin receptor signaling for mammary gland development.
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Affiliation(s)
- Midori Kitayama
- From the Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan and; Division of Molecular and Cellular Biology, Department of Biochemistry and Molecular Biology and; Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
| | - Kiyohito Mizutani
- From the Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan and; Division of Molecular and Cellular Biology, Department of Biochemistry and Molecular Biology and
| | - Masahiro Maruoka
- From the Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan and
| | - Kenji Mandai
- From the Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan and; Division of Molecular and Cellular Biology, Department of Biochemistry and Molecular Biology and
| | - Shotaro Sakakibara
- From the Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan and
| | - Yuki Ueda
- From the Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan and
| | - Takahide Komori
- Department of Oral and Maxillofacial Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo 650-0017, Japan
| | - Yohei Shimono
- Division of Molecular and Cellular Biology, Department of Biochemistry and Molecular Biology and
| | - Yoshimi Takai
- From the Division of Pathogenetic Signaling, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 1-5-6 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan and; Division of Molecular and Cellular Biology, Department of Biochemistry and Molecular Biology and.
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Karabulut M, Gunaldi M, Alis H, Afsar CU, Karabulut S, Serilmez M, Akarsu C, Seyit H, Aykan NF. Serum nectin-2 levels are diagnostic and prognostic in patients with colorectal carcinoma. Clin Transl Oncol 2016; 18:160-71. [PMID: 26184725 DOI: 10.1007/s12094-015-1348-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 07/02/2015] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Nectins are a family of integral protein and immunoglobulin-like cell adhesion molecules involved in the formation of functioning adherence and tight junctions. Aberrant expression is associated with cancer progression, apoptosis and cell proliferation but little is known how these effects change in cell behavior. The objective of this study was to evaluate the serum levels of nectin-2 with regard to diagnostic, predictive and prognostic value in colorectal cancer (CRC) patients. MATERIALS AND METHODS One-hundred and forty CRC patients were enrolled in this study. Serum nectin-2 levels were determined by enzyme-linked immunosorbent assay method. Age- and sex-matched 40 healthy controls were included in the analysis. RESULTS Median age of patients was 60 years old, range 24-84 years. The localization of tumor in majority of the patients was colon (n = 81, 58 %). Non-metastatic (stage II and III) and metastatic patients' baseline serum nectin-2 levels were significantly higher than those in the healthy control group (p < 0.001; for two group). However, known clinical variables including response to CTx (chemotherapy) were not found to be correlated with serum nectin-2 concentrations (p > 0.05). While non-metastatic group patients with elevated serum nectin-2 levels showed significant adverse effect on PFS, metastatic group patients with elevated serum nectin-2 levels showed no significant adverse effect on PFS (p = 0.05 and p = 0.29, respectively). On the other hand, our study results did not show statistically significant serum nectin-2 concentrations regarding overall survival rates. CONCLUSION Serum levels of nectin-2 may have diagnostic roles for CRC patients. Moreover, our study results show the prognostic role of nectin-2 in non-metastatic group patients.
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Affiliation(s)
- M Karabulut
- Clinic of General Surgery, Istanbul Bakırköy Dr. Sadi Konuk Education and Research Hospital, Istanbul, Turkey
| | - M Gunaldi
- Clinic of Medical Oncology, Istanbul Bakirkoy Dr. Sadi Konuk Education and Research Hospital, Istanbul, Turkey
| | - H Alis
- Clinic of General Surgery, Istanbul Bakırköy Dr. Sadi Konuk Education and Research Hospital, Istanbul, Turkey
| | - C U Afsar
- Department of Medical Oncology, Ministry of Health, Istanbul Training and Research Hospital, Istanbul, Turkey.
| | - S Karabulut
- Department of Medical Oncology, Institute of Oncology, Istanbul University, Istanbul, Turkey
| | - M Serilmez
- Department of Basic Oncology, Institute of Oncology, Istanbul University, Istanbul, Turkey
| | - C Akarsu
- Clinic of General Surgery, Istanbul Bakırköy Dr. Sadi Konuk Education and Research Hospital, Istanbul, Turkey
| | - H Seyit
- Clinic of General Surgery, Istanbul Bakırköy Dr. Sadi Konuk Education and Research Hospital, Istanbul, Turkey
| | - N F Aykan
- Department of Medical Oncology, Institute of Oncology, Istanbul University, Istanbul, Turkey
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Yoshida K, Hayashi R, Fujita H, Kubota M, Kondo M, Shimomura Y, Niizeki H. Novel homozygous mutation, c.400C>T (p.Arg134*), in the PVRL1 gene underlies cleft lip/palate-ectodermal dysplasia syndrome in an Asian patient. J Dermatol 2015; 42:715-9. [PMID: 25913853 DOI: 10.1111/1346-8138.12882] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 03/02/2015] [Indexed: 11/30/2022]
Abstract
Cleft lip/palate-ectodermal dysplasia syndrome is a rare, autosomal recessive disorder caused by homozygous loss-of-function mutations of the poliovirus receptor-like 1 (PVRL1) gene encoding nectin-1. Nectin-1 is a cell-cell adhesion molecule that is important for the initial step in the formation of adherens junctions and tight junctions; it is expressed in keratinocytes, neurons, and the developing face and palate. Clinical manifestations comprise a unique facial appearance with cleft lip/palate, ectodermal dysplasia, cutaneous syndactyly of the fingers and/or toes, and in some cases, mental retardation. We present the first report, to our knowledge, of an Asian individual with cleft lip/palate-ectodermal dysplasia syndrome with a novel PVRL1 mutation. A 7-year-old Japanese boy, the first child of a consanguineous marriage, showed hypohidrotic ectodermal dysplasia with sparse, brittle, fine, dry hair and hypodontia, the unique facial appearance with cleft lip/palate, cutaneous syndactyly of the fingers and mild mental retardation. Scanning electron microscopic examination of the hair demonstrated pili torti and pili trianguli et canaliculi. Mutation analysis of exon 2 of PVRL1 revealed a novel homozygous nonsense mutation, c.400C>T (p.Arg134*). His parents were heterozygous for the mutant alleles. All four PVRL1 mutations identified in cleft lip/palate-ectodermal dysplasia syndrome to date, including this study, resulted in truncated proteins that lack the transmembrane domain and intracellular domain of nectin-1, which is necessary to initiate the cell-cell adhesion process.
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Affiliation(s)
- Kazue Yoshida
- Department of Dermatology, National Center for Child Health and Development, Tokyo, Japan
| | - Ryota Hayashi
- Laboratory of Genetic Skin Diseases, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hideki Fujita
- Department of Medical Genetics, National Center for Child Health and Development, Tokyo, Japan
| | - Masaya Kubota
- Department of Neurology, National Center for Child Health and Development, Tokyo, Japan
| | - Mai Kondo
- Department of Allergy, National Center for Child Health and Development, Tokyo, Japan
| | - Yutaka Shimomura
- Laboratory of Genetic Skin Diseases, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Hironori Niizeki
- Department of Dermatology, National Center for Child Health and Development, Tokyo, Japan
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Evasion of early antiviral responses by herpes simplex viruses. Mediators Inflamm 2015; 2015:593757. [PMID: 25918478 PMCID: PMC4396904 DOI: 10.1155/2015/593757] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Accepted: 03/10/2015] [Indexed: 02/06/2023] Open
Abstract
Besides overcoming physical constraints, such as extreme temperatures, reduced humidity, elevated pressure, and natural predators, human pathogens further need to overcome an arsenal of antimicrobial components evolved by the host to limit infection, replication and optimally, reinfection. Herpes simplex virus-1 (HSV-1) and herpes simplex virus-2 (HSV-2) infect humans at a high frequency and persist within the host for life by establishing latency in neurons. To gain access to these cells, herpes simplex viruses (HSVs) must replicate and block immediate host antiviral responses elicited by epithelial cells and innate immune components early after infection. During these processes, infected and noninfected neighboring cells, as well as tissue-resident and patrolling immune cells, will sense viral components and cell-associated danger signals and secrete soluble mediators. While type-I interferons aim at limiting virus spread, cytokines and chemokines will modulate resident and incoming immune cells. In this paper, we discuss recent findings relative to the early steps taking place during HSV infection and replication. Further, we discuss how HSVs evade detection by host cells and the molecular mechanisms evolved by these viruses to circumvent early antiviral mechanisms, ultimately leading to neuron infection and the establishment of latency.
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14
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Izumi H, Hirabayashi K, Nakamura N, Nakagohri T. Nectin expression in pancreatic adenocarcinoma: nectin-3 is associated with a poor prognosis. Surg Today 2015; 45:487-94. [PMID: 25690753 PMCID: PMC4359290 DOI: 10.1007/s00595-015-1126-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Accepted: 01/20/2015] [Indexed: 01/09/2023]
Abstract
Purpose Nectins are cell adhesion molecules that regulate the formation of adherens junctions and are linked with E-cadherin-based cell–cell adherens junctions. In pancreatic cancer, the expression of E-cadherin and nectins is considered to be related to metastasis, invasion and prognosis. Methods We evaluated the distribution of cells that were positive for nectin subtypes and E-cadherin using immunohistochemistry in specimens of human pancreatic adenocarcinoma, and correlated these results with the clinicopathological features and patient outcomes. Results The immunohistochemical distribution of nectin-1 and E-cadherin showed a good correlation (r = 0.523, p < 0.01). Tumors over 4 cm in diameter had more intense staining for nectin-4 than smaller tumors (p = 0.035). Nectin-2 expression correlated with a poorer histological grade (p = 0.04). The cases that showed diffuse nectin-3 expression had a better prognosis than those with negative expression (p = 0.018). Conclusion Our results showed that the expression of nectin-3 in pancreatic cancer can be a prognostic factor.
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Affiliation(s)
- Hideki Izumi
- Department of Surgery, Tokai University School of Medicine, Kanagawa, Japan
| | - Kenichi Hirabayashi
- Department of Pathology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193 Japan
| | - Naoya Nakamura
- Department of Pathology, Tokai University School of Medicine, 143 Shimokasuya, Isehara, Kanagawa, 259-1193 Japan
| | - Toshio Nakagohri
- Department of Surgery, Tokai University School of Medicine, Kanagawa, Japan
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15
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Epidermal cell junctions and their regulation by p63 in health and disease. Cell Tissue Res 2015; 360:513-28. [PMID: 25645146 DOI: 10.1007/s00441-014-2108-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Accepted: 12/17/2014] [Indexed: 12/17/2022]
Abstract
As the outermost tissue of the body, the epidermis is the first physical barrier for any pressure, stress or trauma. Several specialized cell-matrix and cell-cell adhesion structures, together with an intracellular network of dedicated intermediate filaments, are required to confer critical resilience to mechanical stress. The transcription factor p63 is a master regulator of gene expression in the epidermis and in other stratified epithelia. It has been extensively demonstrated that p63 positively controls a large number of tissue-specific genes, including those encoding a large fraction of tissue-restricted cell adhesion molecules. Consistent with p63 functions in cell adhesion and in epidermal differentiation, heterozygous mutations clustered mainly in the p63 C-terminus are causative of AEC syndrome, an autosomal dominant disorder characterized by cleft palate, ankyloblepharon and ectodermal dysplasia associated with severe skin erosions, bleeding and infections. The molecular basis of skin erosions in AEC patients is not fully understood, although defects in desmosomes and in other cell junctions are likely to be involved. Here, we provide an extensive review of the different epidermal cell junctions that cooperate to withstand mechanical stress and on the mechanisms by which p63 regulates gene expression of their components in healthy skin and in AEC syndrome. Collectively, advancement in understanding the molecular mechanisms by which epidermal cell junctions precisely exert their functions and how p63 orchestrates their coordinated expression, will ultimately lead to insight into developing future strategies for the treatment of AEC syndrome and more in generally for diseases that share an overlapping phenotype.
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16
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Mollo MR, Antonini D, Mitchell K, Fortugno P, Costanzo A, Dixon J, Brancati F, Missero C. p63-dependent and independent mechanisms of nectin-1 and nectin-4 regulation in the epidermis. Exp Dermatol 2015; 24:114-9. [PMID: 25387952 PMCID: PMC4329386 DOI: 10.1111/exd.12593] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/06/2014] [Indexed: 02/06/2023]
Abstract
Nectins are immunoglobulin-like cell adhesion molecules mainly localized in adherens junctions. The transcription factor p63 is a master regulator of gene expression in stratified epithelia and controls several molecular processes. As mutations in the Pvrl1 and Pvrl4 genes encoding for nectins cause genetic disorders with phenotypes similar to p63-related syndromes, we investigated whether these proteins might be under p63 transcriptional control. Here, we show that in p63-null skin, Pvrl1 gene expression is strongly reduced, whereas Pvrl4 expression is unaffected. In human and mouse primary keratinocytes p63 depletion leads to a specific downregulation of the Pvrl1 gene. Consistent with a direct regulation, chromatin immunoprecipitation experiments (ChIP) indicate that p63 binds to two conserved intronic Pvrl1 enhancer regions. Ankyloblepharon-ectodermal defects-cleft lip/palate (AEC) syndrome is a rare autosomal dominant disorder, caused by mutations in p63 gene, mainly characterized by skin fragility. To test whether nectins may be affected in AEC syndrome, their expression was measured in keratinocytes obtained from patients with AEC or from a conditional mouse model for AEC syndrome. Pvrl1 expression was reduced in AEC keratinocytes, consistent with impaired p63 function. Surprisingly, Pvrl4 expression was similarly affected, in parallel with decreased expression of the transcription factor Irf6. Consistent with the well-characterized role of Irf6 in keratinocyte differentiation and its strong downregulation in AEC syndrome, Irf6 depletion caused reduced expression of Pvrl4 in wild-type keratinocytes. Taken together, our results indicate that Pvrl1 is a bona fide target gene of the transcription factor p63, whereas Pvrl4 regulation is linked to epidermal differentiation and is under Irf6 control.
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Affiliation(s)
- Maria Rosaria Mollo
- CEINGE Biotecnologie AvanzateNapoli, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico IINapoli, Italy
| | | | - Karen Mitchell
- Faculty of Medical and Human Sciences, Manchester Academic Health Sciences Centre, University of ManchesterManchester, UK
| | - Paola Fortugno
- Dermatology Unit, Bambino Gesù Children's Hospital, IRCCSRome, Italy
| | - Antonio Costanzo
- Dermatology Unit, Department of Neuroscience, Mental Health and Sensory Organs (NESMOS), Sapienza University of RomeRome, Italy
| | - Jill Dixon
- Faculty of Medical and Human Sciences, Manchester Academic Health Sciences Centre, University of ManchesterManchester, UK
| | - Francesco Brancati
- Department of Biomedical Sciences, Aging Research Center, Gabriele d'Annunzio UniversityChieti, Italy
- Medical Genetics Unit, Policlinico Tor Vergata University HospitalRome, Italy
| | - Caterina Missero
- CEINGE Biotecnologie AvanzateNapoli, Italy
- Department of Biology, University of Naples Federico IINapoli, Italy
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17
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18
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Rikitake Y, Mandai K, Takai Y. The role of nectins in different types of cell-cell adhesion. J Cell Sci 2013; 125:3713-22. [PMID: 23027581 DOI: 10.1242/jcs.099572] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Mammalian tissues and organs are composed of different types of cells that adhere to each other homotypically (i.e. interactions between cells of the same cell type) or heterotypically (i.e. interactions between different cell types), forming a variety of cellular patterns, including mosaic patterns. At least three types of cell-cell adhesion have been observed: symmetric homotypic, asymmetric homotypic and heterotypic cell adhesions. Cadherins and nectins, which are known cell-cell adhesion molecules, mediate these cell adhesions. Cadherins comprise a family of more than 100 members, but they are primarily involved in homophilic trans-interactions (i.e. interactions between the same cadherin members) between opposing cells. By contrast, the nectin family comprises only four members, and these proteins form both homophilic and heterophilic trans-interactions (i.e. interactions between the same and different nectin members on opposing cells). In addition, heterophilic trans-interactions between nectins are much stronger than homophilic trans-interactions. Because of these unique properties, nectins have crucial roles in asymmetric homotypic cell-cell adhesion at neuronal synapses and in various types of heterotypic cell-cell adhesions. We summarize recent progress in our understanding of the biology of nectins and discuss their roles in heterotypic cell-cell adhesions, whose formation cannot be solely explained by the action of cadherins.
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Affiliation(s)
- Yoshiyuki Rikitake
- Division of Molecular and Cellular Biology, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan
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García-Martín P, Hernández-Martín A, Torrelo A. Ectodermal dysplasias: a clinical and molecular review. ACTAS DERMO-SIFILIOGRAFICAS 2012; 104:451-70. [PMID: 23103118 DOI: 10.1016/j.ad.2012.07.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Revised: 07/19/2012] [Accepted: 07/20/2012] [Indexed: 01/31/2023] Open
Abstract
The ectodermal dysplasias are a large group of hereditary disorders characterized by alterations of structures of ectodermal origin. Although some syndromes can have specific features, many of them share common clinical characteristics. Two main groups of ectodermal dysplasias can be distinguished. One group is characterized by aplasia or hypoplasia of ectodermal tissues, which fail to develop and differentiate because of a lack of reciprocal signaling between ectoderm and mesoderm, the other has palmoplantar keratoderma as its most striking feature, with additional manifestations when other highly specialized epithelia are also involved. In recent decades, the genes responsible for at least 30 different types of ectodermal dysplasia have been identified, throwing light on the pathogenic mechanisms involved and their correlation with clinical findings.
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Affiliation(s)
- P García-Martín
- Servicio de Dermatología, Hospital Infantil del Niño Jesús, Madrid, Spain
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20
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Gaston DC, Whitley RJ, Parker JN. Engineered herpes simplex virus vectors for antitumor therapy and vaccine delivery. Future Virol 2011. [DOI: 10.2217/fvl.11.4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Genetically modified herpes simplex viruses (HSVs) have been exploited for both antitumor therapy and vaccine delivery. These mutant viruses retain their ability to replicate and lyse permissive cells, including many tumor types, and are referred to as oncolytic HSVs. In addition, deletion of nonessential genes permits the introduction of foreign genes to augment the antitumor effect by either immune stimulation, targeting for select tumors, or expression of tumor or vaccine antigens. This article reviews the development of oncolytic HSVs as an anticancer therapy, as well as the application of HSV-1 vectors for delivery of targeted antigens or as vaccine adjuvants. The impact of these novel vectors with respect to enhanced antitumor activity and development of antitumor vaccination strategies is discussed.
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Affiliation(s)
- David C Gaston
- Medical Scientist Training Program, Department of Cell Biology, CHB 130, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Richard J Whitley
- Departments of Pediatrics, Microbiology, Medicine & Neurosurgery, CHB 303, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Jacqueline N Parker
- Departments of Pediatrics & Cell Biology, CHB 118B, University of Alabama at Birmingham, Birmingham, AL 35233, USA
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21
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Yoshida T, Miyoshi J, Takai Y, Thesleff I. Cooperation of nectin-1 and nectin-3 is required for normal ameloblast function and crown shape development in mouse teeth. Dev Dyn 2010; 239:2558-69. [PMID: 21038445 DOI: 10.1002/dvdy.22395] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023] Open
Abstract
Nectins are immunoglobulin-like cell adhesion proteins and their interactions recruit various cell-cell junctions. Mutations in human NECTIN-1 cause an ectodermal dysplasia syndrome, but Nectin-1 null mice have only slight defects in teeth, suggesting compensation by other nectin(s). We observed overlapping expression of nectin-3 with nectin-1 and enamel abnormality in the nectin-3 mutant. We, therefore, generated nectin-1;nectin-3 compound mutants. However, all teeth developed and no significant dental abnormalities were observed before birth. At postnatal day 10, the upper molars of compound mutants exhibited conical crown shape and retarded enamel maturation. Nectin-1 was expressed in ameloblasts whereas nectin-3 was expressed in neighboring stratum intermedium cells at this stage. The immunohistochemical localization and electron microscopical observations indicated that the desmosomal junctions between stratum intermedium and ameloblasts were significantly reduced. These results suggest that heterophilic interaction between nectin-1 and nectin-3 recruits desmosomal junctions, and that these are required for proper enamel formation.
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22
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Brancati F, Fortugno P, Bottillo I, Lopez M, Josselin E, Boudghene-Stambouli O, Agolini E, Bernardini L, Bellacchio E, Iannicelli M, Rossi A, Dib-Lachachi A, Stuppia L, Palka G, Mundlos S, Stricker S, Kornak U, Zambruno G, Dallapiccola B. Mutations in PVRL4, encoding cell adhesion molecule nectin-4, cause ectodermal dysplasia-syndactyly syndrome. Am J Hum Genet 2010; 87:265-73. [PMID: 20691405 PMCID: PMC2917716 DOI: 10.1016/j.ajhg.2010.07.003] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2010] [Revised: 06/28/2010] [Accepted: 07/08/2010] [Indexed: 11/20/2022] Open
Abstract
Ectodermal dysplasias form a large disease family with more than 200 members. The combination of hair and tooth abnormalities, alopecia, and cutaneous syndactyly is characteristic of ectodermal dysplasia-syndactyly syndrome (EDSS). We used a homozygosity mapping approach to map the EDSS locus to 1q23 in a consanguineous Algerian family. By candidate gene analysis, we identified a homozygous mutation in the PVRL4 gene that not only evoked an amino acid change but also led to exon skipping. In an Italian family with two siblings affected by EDSS, we further detected a missense and a frameshift mutation. PVRL4 encodes for nectin-4, a cell adhesion molecule mainly implicated in the formation of cadherin-based adherens junctions. We demonstrated high nectin-4 expression in hair follicle structures, as well as in the separating digits of murine embryos, the tissues mainly affected by the EDSS phenotype. In patient keratinocytes, mutated nectin-4 lost its capability to bind nectin-1. Additionally, in discrete structures of the hair follicle, we found alterations of the membrane localization of nectin-afadin and cadherin-catenin complexes, which are essential for adherens junction formation, and we found reorganization of actin cytoskeleton. Together with cleft lip and/or palate ectodermal dysplasia (CLPED1, or Zlotogora-Ogur syndrome) due to an impaired function of nectin-1, EDSS is the second known "nectinopathy" caused by mutations in a nectin adhesion molecule.
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Affiliation(s)
- Francesco Brancati
- Department of Biomedical Sciences, Gabriele d'Annunzio University, Chieti, Italy.
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23
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Fetting JL, Spencer SA, Wolff T. The cell adhesion molecules Echinoid and Friend of Echinoid coordinate cell adhesion and cell signaling to regulate the fidelity of ommatidial rotation in the Drosophila eye. Development 2009; 136:3323-33. [PMID: 19736327 DOI: 10.1242/dev.038422] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Directed cellular movements are a universal feature of morphogenesis in multicellular organisms. Differential adhesion between the stationary and motile cells promotes these cellular movements to effect spatial patterning of cells. A prominent feature of Drosophila eye development is the 90 degrees rotational movement of the multicellular ommatidial precursors within a matrix of stationary cells. We demonstrate that the cell adhesion molecules Echinoid (Ed) and Friend of Echinoid (Fred) act throughout ommatidial rotation to modulate the degree of ommatidial precursor movement. We propose that differential levels of Ed and Fred between stationary and rotating cells at the initiation of rotation create a permissive environment for cell movement, and that uniform levels in these two populations later contribute to stopping the movement. Based on genetic data, we propose that ed and fred impart a second, independent, ;brake-like' contribution to this process via Egfr signaling. Ed and Fred are localized in largely distinct and dynamic patterns throughout rotation. However, ed and fred are required in only a subset of cells - photoreceptors R1, R7 and R6 - for normal rotation, cells that have only recently been linked to a role in planar cell polarity (PCP). This work also provides the first demonstration of a requirement for cone cells in the ommatidial rotation aspect of PCP. ed and fred also genetically interact with the PCP genes, but affect only the degree-of-rotation aspect of the PCP phenotype. Significantly, we demonstrate that at least one PCP protein, Stbm, is required in R7 to control the degree of ommatidial rotation.
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Affiliation(s)
- Jennifer L Fetting
- Department of Genetics, Washington University School of Medicine, St Louis, MO 63110, USA
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Takai Y, Ikeda W, Ogita H, Rikitake Y. The immunoglobulin-like cell adhesion molecule nectin and its associated protein afadin. Annu Rev Cell Dev Biol 2008; 24:309-42. [PMID: 18593353 DOI: 10.1146/annurev.cellbio.24.110707.175339] [Citation(s) in RCA: 279] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Nectins are immunoglobulin-like cell adhesion molecules (CAMs) that compose a family of four members. Nectins homophilically and heterophilically interact in trans with each other to form cell-cell adhesions. In addition, they heterophilically interact in trans with other immunoglobulin-like CAMs. Nectins bind afadin, an actin filament (F-actin)-binding protein, at its cytoplasmic tail and associate with the actin cytoskeleton. Afadin additionally serves as an adaptor protein by further binding many scaffolding proteins and F-actin-binding proteins and contributes to the association of nectins with other cell-cell adhesion and intracellular signaling systems. Nectins and afadin play roles in the formation of a variety of cell-cell junctions cooperatively with, or independently of, cadherins. Cooperation between nectins and cadherins is required for the formation of cell-cell junctions; cadherins alone are not sufficient. Additionally, nectins regulate many other cellular activities (such as movement, proliferation, survival, differentiation, polarization, and the entry of viruses) in cooperation with other CAMs and cell surface membrane receptors.
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Affiliation(s)
- Yoshimi Takai
- Division of Molecular and Cellular Biology, Department of Biochemistry and Molecular Biology, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan.
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25
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Ogita H, Takai Y. Cross-talk among integrin, cadherin, and growth factor receptor: roles of nectin and nectin-like molecule. ACTA ACUST UNITED AC 2008; 265:1-54. [PMID: 18275885 DOI: 10.1016/s0074-7696(07)65001-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Integrin, cadherin, and growth factor receptor are key molecules for fundamental cellular functions including cell movement, proliferation, differentiation, adhesion, and survival. These cell surface molecules cross-talk with each other in the regulation of such cellular functions. Nectin and nectin-like molecule (Necl) have been identified as cell adhesion molecules that belong to the immunoglobulin superfamily. Nectin and Necl play important roles in the integration of integrin, cadherin, and growth factor receptor at the cell-cell adhesion sites of contacting cells and at the leading edges of moving cells, and thus are also involved in the fundamental cellular functions together with integrin, cadherin, and growth factor receptor. This chapter describes how newly identified cell adhesion molecules, nectin and Necl, modulate the cross-talk among integrin, cadherin, and growth factor receptor and how these integrated molecules act in the regulation of fundamental cellular functions.
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Affiliation(s)
- Hisakazu Ogita
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine/Faculty of Medicine, Suita, Osaka 565-0871, Japan
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26
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Wakamatsu K, Ogita H, Okabe N, Irie K, Tanaka-Okamoto M, Ishizaki H, Ishida-Yamamoto A, Iizuka H, Miyoshi J, Takai Y. Up-regulation of loricrin expression by cell adhesion molecule nectin-1 through Rap1-ERK signaling in keratinocytes. J Biol Chem 2007; 282:18173-18181. [PMID: 17472964 DOI: 10.1074/jbc.m611159200] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Nectin is an immunoglobulin-like cell-cell adhesion molecule, which plays essential roles in the initial step of formation of adherens junctions and tight junctions. We demonstrate here the role of nectin-1 in the epidermis using nectin-1-/- mice. Newborn nectin-1-/- pups showed shiny and slightly reddish skin; the amount of loricrin, one of the differentiation markers and also a major component of cornified cell envelopes, was markedly reduced in the epidermis of nectin-1-/- mice. The amounts of repetin and SPRRP, other components of cornified cell envelopes, were markedly elevated probably due to a compensatory mechanism to overcome the impaired expression of loricrin. However, cornified cells from nectin-1-/- mice were sensitive to mechanical stress. Moreover, Ca2+-induced activation of ERK through Rap1 and expression of loricrin were reduced in primary cultured nectin-1-/- keratinocytes; in turn, the inhibition of ERK activation reduced the amount of loricrin in wild-type keratinocytes. These results indicate that nectin-1 plays a key role in the expression of loricrin in the epidermis.
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Affiliation(s)
- Kotaro Wakamatsu
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine/Faculty of Medicine, Suita, Osaka 565-0871, Japan
| | - Hisakazu Ogita
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine/Faculty of Medicine, Suita, Osaka 565-0871, Japan
| | - Noriko Okabe
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine/Faculty of Medicine, Suita, Osaka 565-0871, Japan
| | - Kenji Irie
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine/Faculty of Medicine, Suita, Osaka 565-0871, Japan
| | - Miki Tanaka-Okamoto
- Department of Molecular Biology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka 537-8511, Japan
| | - Hiroyuki Ishizaki
- Department of Molecular Biology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka 537-8511, Japan
| | - Akemi Ishida-Yamamoto
- Department of Dermatology, Asahikawa Medical College, Asahikawa, Hokkaido 078-8510, Japan
| | - Hajime Iizuka
- Department of Dermatology, Asahikawa Medical College, Asahikawa, Hokkaido 078-8510, Japan
| | - Jun Miyoshi
- Department of Molecular Biology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka 537-8511, Japan
| | - Yoshimi Takai
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine/Faculty of Medicine, Suita, Osaka 565-0871, Japan.
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27
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Campadelli-Fiume G, Amasio M, Avitabile E, Cerretani A, Forghieri C, Gianni T, Menotti L. The multipartite system that mediates entry of herpes simplex virus into the cell. Rev Med Virol 2007; 17:313-26. [PMID: 17573668 DOI: 10.1002/rmv.546] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The multipartite entry-fusion system of herpes simplex virus is made of a quartet of glycoproteins-gD, gB, gH.gL-and three alternative gD receptors, herpesvirus entry mediator (HVEM), nectin1 and modified sites on heparan sulphate. This multipartite system recapitulates the basic steps of virus-cell fusion, i.e. receptor recognition, triggering of fusion and fusion execution. Specifically, in addition to serving as the receptor-binding glycoprotein, gD triggers fusion through a specialised domain, named pro-fusion domain (PFD), located C-terminally in the ectodomain. In the unliganded gD the C-terminal region folds around the N-terminal region, such that gD adopts a closed autoinhibited conformation. In HVEM- and nectin1-bound gD the C-terminal region is displaced (opened conformation). gD is the tool for modification of HSV tropism, through insertion of ligands to heterologous tumour-specific receptors. It is discussed whether gD responds to the interaction with the natural and the heterologous receptors by adopting similar conformations, and whether the closed-to-open switch in conformation is a generalised mechanism of activation. A peculiar recombinant highlighted that the central Ig-folded core of gD may not encode executable functions for entry and that the 219-314 aa segment may be sufficient to trigger fusion. With respect to fusion execution, gB appears to be a prospective fusogen based on its coiled-coil trimeric structure, similar to that of another fusion glycoprotein. On the other hand, gH exhibits molecular elements typical of class 1 fusion glycoproteins, in particular heptad repeats and strong tendency to interact with lipids. Whether fusion execution is carried out by gB or gH.gL, or both glycoproteins in complex or sequentially remains to be determined.
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Affiliation(s)
- Gabriella Campadelli-Fiume
- Department of Experimental Pathology, Section on Microbiology and Virology, Alma Mater Studiorum, University of Bologna, Bologna, Italy.
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Galen B, Cheshenko N, Tuyama A, Ramratnam B, Herold BC. Access to nectin favors herpes simplex virus infection at the apical surface of polarized human epithelial cells. J Virol 2006; 80:12209-18. [PMID: 17005657 PMCID: PMC1676285 DOI: 10.1128/jvi.01503-06] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Viral entry may preferentially occur at the apical or the basolateral surfaces of polarized cells, and differences may impact pathogenesis, preventative strategies, and successful implementation of viral vectors for gene therapy. The objective of these studies was to examine the polarity of herpes simplex virus (HSV) entry using several different human epithelial cell lines. Human uterine (ECC-1), colonic (CaCo-2), and retinal pigment (ARPE-19) epithelial cells were grown on collagen-coated inserts, and the polarity was monitored by measuring the transepithelial cell resistance. Controls were CaSki cells, a human cervical cell line that does not polarize in vitro. The polarized cells, but not CaSki cells, were 16- to 50-fold more susceptible to HSV infection at the apical surface than at the basolateral surface. Disruption of the tight junctions by treatment with EGTA overcame the restriction on basolateral infection but had no impact on apical infection. No differences in binding at the two surfaces were observed. Confocal microscopy demonstrated that nectin-1, the major coreceptor for HSV entry, sorted preferentially to the apical surface, overlapping with adherens and tight junction proteins. Transfection with small interfering RNA specific for nectin-1 resulted in a significant reduction in susceptibility to HSV at the apical surface but had little impact on basolateral infection. Infection from the apical but not the basolateral surface triggered focal adhesion kinase phosphorylation and led to nuclear transport of viral capsids and viral gene expression. These studies indicate that access to nectin-1 contributes to preferential apical infection of these human epithelial cells by HSV.
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Affiliation(s)
- Benjamin Galen
- Mount Sinai School of Medicine, One Gustave L. Levy Place, New York, NY 10029, USA
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Guzman G, Oh S, Shukla D, Valyi-Nagy T. Nectin-1 Expression in the Normal and Neoplastic Human Uterine Cervix. Arch Pathol Lab Med 2006; 130:1193-5. [PMID: 16879022 DOI: 10.5858/2006-130-1193-neitna] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
Context.—Nectin-1 is an immunoglobulin-like adhesion molecule that is widely expressed in epithelial tissues and participates in the formation of adherens junctions. Reduced expression of nectin-1 has been reported in invasive carcinomas of the human skin.
Objective.—To determine the pattern of nectin-1 expression in the normal, dysplastic, and neoplastic human uterine cervix.
Design.—This retrospective study was performed using immunohistochemistry of specimens of normal mucosa (n = 18) and preneoplastic and neoplastic conditions of the human uterine cervix including squamous dysplasia and invasive uterine cervical squamous carcinoma (n = 23). All specimens were graded according to intensity of cytoplasmic staining (0 = no staining; 4 = strongest intensity).
Results.—Strong widespread cytoplasmic nectin-1 reactivity was found in normal uterine cervical squamous and endocervical mucosa (mean grade = 2.63). In contrast, uterine cervical and endocervical stroma showed minimal to absent staining (mean grade = 0.58). There was a significant difference in staining intensity between normal mucosa versus stroma (P < .001, Wilcoxon matched pairs– signed ranks test). All squamous dysplasia and carcinoma specimens displayed strong cytoplasmic nectin-1 staining (mean grade = 3.08). The advancing edge of these carcinomas demonstrated significantly decreased or absent expression of nectin-1 (mean grade = 1.39) with significant difference in staining intensity at the center of invasive tumors versus the advancing edge (P = .004, Wilcoxon matched pairs–signed ranks test).
Conclusions.—Normal squamous mucosa, dysplasia, and invasive carcinomas of the human uterine cervix stain strongly with nectin-1, and this staining is reduced or absent in the advancing edge of invasive tumors. These findings suggest that down-regulation of nectin-1 may be associated with the loss of cell-to-cell adhesion at the advancing edge of invasive squamous carcinomas of the human uterine cervix.
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Affiliation(s)
- Grace Guzman
- Department of Pathology, University of Illinois, College of Medicine, Chicago.
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Okabe N, Ozaki-Kuroda K, Nakanishi H, Shimizu K, Takai Y. Expression patterns of nectins and afadin during epithelial remodeling in the mouse embryo. Dev Dyn 2004; 230:174-86. [PMID: 15108322 DOI: 10.1002/dvdy.20033] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Cell-cell adhesion plays key roles in tissue morphogenesis and organogenesis. Nectins are Ca2+-independent immunoglobulin-like cell adhesion molecules connected to the actin cytoskeleton through afadin. Nectins play roles in a variety of cell-cell junctions in cooperation with or independently of cadherins. Here, we examined the cellular localization of nectins and afadin throughout primitive streak, neural plate, and early organogenesis stages of mouse development. Nectin and afadin localization coincided with a honeycomb-shaped meshwork of actin filaments at adherens junctions of polarized epithelia, including neuroepithelium, epithelial somites, and facial primordia. As organogenesis progressed, nectin-2 expression was maintained in general columnar epithelia, whereas nectin-1 and -3 became highly concentrated at sites of neural morphogenesis. Moreover, nectin-1 was highly expressed in keratinocytes of the skin, developing hair follicles, and epithelium of developing teeth. These results suggest that nectins and afadin are involved in dynamic epithelial remodeling during mouse development.
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Affiliation(s)
- Noriko Okabe
- Department of Molecular Biology and Biochemistry, Osaka University Graduate School of Medicine/Faculty of Medicine, Suita, Osaka, Japan
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Krummenacher C, Baribaud F, Ponce de Leon M, Baribaud I, Whitbeck JC, Xu R, Cohen GH, Eisenberg RJ. Comparative usage of herpesvirus entry mediator A and nectin-1 by laboratory strains and clinical isolates of herpes simplex virus. Virology 2004; 322:286-99. [PMID: 15110526 DOI: 10.1016/j.virol.2004.02.005] [Citation(s) in RCA: 109] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2003] [Revised: 01/13/2004] [Accepted: 02/06/2004] [Indexed: 11/21/2022]
Abstract
The herpesvirus entry mediator A (HVEM/HveA) and nectin-1 (HveC/CD111) are two major receptors for herpes simplex virus (HSV). Although structurally unrelated, both receptors can independently mediate entry of wild-type (wt) HSV-1 and HSV-2 by interacting with the viral envelope glycoprotein D (gD). Laboratory strains with defined mutations in gD (e.g. rid1) do not use HVEM but use nectin-2 (HveB/CD112) for entry. The relative usage of HVEM and nectin-1 during HSV infection in vivo is not known. In the absence of a defined in vivo model, we used in vitro approaches to address this question. First, we screened HSV clinical isolates from various origins for receptor tropism and found that all used both HVEM and nectin-1. Second, we determined the numbers of surface receptors on various susceptible and resistant cell lines as well as on primary fibroblasts derived from an individual with cleft lip/palate ectodermal dysplasia (CLPED1). Although CLPED1 cells can only express a defective form of nectin-1, they allowed entry of wild type and mutant HSV strains by usage of either HVEM or nectin-2. Finally, we compared the ability of HVEM and nectin-1 to mediate entry when expressed at varying cell surface densities. Both receptors showed a direct relationship between the number of receptors and HSV susceptibility. Direct comparison of receptors suggests that nectin-1 is more efficient at promoting entry than HVEM. Overall, our data suggest that both receptors play a role during HSV infection in vivo and that both are highly efficient even at low levels of expression.
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Affiliation(s)
- Claude Krummenacher
- Department of Microbiology, School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Linehan MM, Richman S, Krummenacher C, Eisenberg RJ, Cohen GH, Iwasaki A. In vivo role of nectin-1 in entry of herpes simplex virus type 1 (HSV-1) and HSV-2 through the vaginal mucosa. J Virol 2004; 78:2530-6. [PMID: 14963155 PMCID: PMC369262 DOI: 10.1128/jvi.78.5.2530-2536.2004] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Herpes simplex virus type 2 (HSV-2) is transmitted through the genital mucosa during sexual encounters. In recent years, HSV-1 has also become commonly associated with primary genital herpes. The mechanism of viral entry of HSV-1 and HSV-2 in the female genital tract is unknown. In order to understand the molecular interactions required for HSV entry into the vaginal epithelium, we examined the expression of herpesvirus entry mediator nectin-1 in the vagina of human and mouse at different stages of their hormonal cycle. Nectin-1 was highly expressed in the epithelium of human vagina throughout the menstrual cycle, whereas the mouse vaginal epithelium expressed nectin-1 only during the stages of the estrous cycle in which mice are susceptible to vaginal HSV infection. Furthermore, the ability of nectin-1 to mediate viral entry following intravaginal inoculation was examined in a mouse model of genital herpes. Vaginal infection with either HSV-1 or HSV-2 was blocked by preincubation of the virus with soluble recombinant nectin-1. Viral entry through the vaginal mucosa was also inhibited by preincubation of HSV-2 with antibody against gD. Together, these results suggest the importance of nectin-1 in mediating viral entry for both HSV-1 and HSV-2 in the genital mucosa in female hosts.
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Affiliation(s)
- Melissa M Linehan
- Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, Connecticut 06520, USA
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