The Oncogene HER2: Its Signaling and Transforming Functions and Its Role in Human Cancer Pathogenesis
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Epha Receptors and Ephrin-A Ligands Are Upregulated by Monocytic
Mukai et al. BMC Cell Biology (2017) 18:28 DOI 10.1186/s12860-017-0144-x RESEARCHARTICLE Open Access EphA receptors and ephrin-A ligands are upregulated by monocytic differentiation/ maturation and promote cell adhesion and protrusion formation in HL60 monocytes Midori Mukai, Norihiko Suruga, Noritaka Saeki and Kazushige Ogawa* Abstract Background: Eph signaling is known to induce contrasting cell behaviors such as promoting and inhibiting cell adhesion/ spreading by altering F-actin organization and influencing integrin activities. We have previously demonstrated that EphA2 stimulation by ephrin-A1 promotes cell adhesion through interaction with integrins and integrin ligands in two monocyte/ macrophage cell lines. Although mature mononuclear leukocytes express several members of the EphA/ephrin-A subclass, their expression has not been examined in monocytes undergoing during differentiation and maturation. Results: Using RT-PCR, we have shown that EphA2, ephrin-A1, and ephrin-A2 expression was upregulated in murine bone marrow mononuclear cells during monocyte maturation. Moreover, EphA2 and EphA4 expression was induced, and ephrin-A4 expression was upregulated, in a human promyelocytic leukemia cell line, HL60, along with monocyte differentiation toward the classical CD14++CD16− monocyte subset. Using RT-PCR and flow cytometry, we have also shown that expression levels of αL, αM, αX, and β2 integrin subunits were upregulated in HL60 cells along with monocyte differentiation while those of α4, α5, α6, and β1 subunits were unchanged. Using a cell attachment stripe assay, we have shown that stimulation by EphA as well as ephrin-A, likely promoted adhesion to an integrin ligand- coated surface in HL60 monocytes. Moreover, EphA and ephrin-A stimulation likely promoted the formation of protrusions in HL60 monocytes. -
Ret Oncogene and Thyroid Carcinoma
ndrom Sy es tic & e G n e e n G e f T o Elisei et al., J Genet Syndr Gene Ther 2014, 5:1 Journal of Genetic Syndromes h l e a r n a DOI: 10.4172/2157-7412.1000214 r p u y o J & Gene Therapy ISSN: 2157-7412 Review Article Open Access Ret Oncogene and Thyroid Carcinoma Elisei R, Molinaro E, Agate L, Bottici V, Viola D, Biagini A, Matrone A, Tacito A, Ciampi R, Vivaldi A and Romei C* Endocrine Unit, Department of Clinical and Experimental Medicine, University of Pisa, Italy Abstract Thyroid cancer is a malignant neoplasm that originates from follicular or parafollicular thyroid cells and is categorized as papillary (PTC), follicular (FTC), anaplastic (ATC) or medullary thyroid carcinoma (MTC). The alteration of the Rearranged during trasfection (RET) (proto-oncogene, a gene coding for a tyrosine-kinase receptor involved in the control of cell differentiation and proliferation, has been found to cause PTC and MTC. In particular, RET/PTC rearrangements and RET point mutations are related to PTC and MTC, respectively. Although RET/PTC rearrangements have been identified in both spontaneous and radiation-induced PTC, they occur more frequently in radiation-associated tumors. RET/PTC rearrangements have also been reported in follicular adenomas. Although controversial, correlations between RET/PTC rearrangements, especially RET/PTC3, and a more aggressive phenotype and a more advanced stage have been identified. Germline point mutations in the RET proto-oncogene are associated with nearly all cases of hereditary MTC, and a strict correlation between genotype and phenotype has been demonstrated. -
Isoforms, Structures, and Functions of Versatile Spectraplakin MACF1
BMB Rep. 2016; 49(1): 37-44 BMB www.bmbreports.org Reports Contiributed Mini Review Isoforms, structures, and functions of versatile spectraplakin MACF1 Lifang Hu1, Peihong Su1, Runzhi Li1, Chong Yin1, Yan Zhang1, Peng Shang1, Tuanmin Yang2 & Airong Qian1,* 1Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environmental Biophysics, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, 2Honghui Hospital, Xi’an Jiaotong University College of Medicine, Xi’an, Shaanxi 710054, P. R. China Spectraplakins are crucially important communicators, linking ability of interacting with all three types of cytoskeletal fila- cytoskeletal components to each other and cellular junctions. ments, i.e., F-actin, MTs, and IFs (1). Microtubule actin crosslinking factor 1 (MACF1), also known Spectraplakins are exceptionally long and gigantic with mo- as actin crosslinking family 7 (ACF7), is a member of the spec- lecular weight of >500 kD. They are multi-domain cytoskele- traplakin family. It is expressed in numerous tissues and cells tal proteins and master orchestrators for coordinating cytoske- as one extensively studied spectraplakin. MACF1 has several letal elements by binding to F-actin, MTs, and IFs (1, 2). isoforms with unique structures and well-known function to be Spectraplakins are evolutionarily conserved. They belong to able to crosslink F-actin and microtubules. MACF1 is one ver- both spectrin and plakin superfamilies (3). “Spectraplakins” are satile spectraplakin with various functions in cell processes, named as combinations of “spectrin” and “plakin” because embryo development, tissue-specific functions, and human they share features of both spectrins and plakins (3, 4). So far, diseases. The importance of MACF1 has become more appa- mammalian spectraplakins have two members: microtubule rent in recent years. -
Original Article ERBB3, IGF1R, and TGFBR2 Expression Correlate With
Am J Cancer Res 2018;8(5):792-809 www.ajcr.us /ISSN:2156-6976/ajcr0077452 Original Article ERBB3, IGF1R, and TGFBR2 expression correlate with PDGFR expression in glioblastoma and participate in PDGFR inhibitor resistance of glioblastoma cells Kang Song1,2*, Ye Yuan1,2*, Yong Lin1,2, Yan-Xia Wang1,2, Jie Zhou1,2, Qu-Jing Gai1,2, Lin Zhang1,2, Min Mao1,2, Xiao-Xue Yao1,2, Yan Qin1,2, Hui-Min Lu1,2, Xiang Zhang1,2, You-Hong Cui1,2, Xiu-Wu Bian1,2, Xia Zhang1,2, Yan Wang1,2 1Department of Pathology, Institute of Pathology and Southwest Cancer Center, Southwest Hospital, Third Military Medical University, Chongqing 400038, China; 2Key Laboratory of Tumor Immunology and Pathology of Ministry of Education, Chongqing 400038, China. *Equal contributors. Received April 6, 2018; Accepted April 9, 2018; Epub May 1, 2018; Published May 15, 2018 Abstract: Glioma, the most prevalent malignancy in brain, is classified into four grades (I, II, III, and IV), and grade IV glioma is also known as glioblastoma multiforme (GBM). Aberrant activation of receptor tyrosine kinases (RTKs), including platelet-derived growth factor receptor (PDGFR), are frequently observed in glioma. Accumulating evi- dence suggests that PDGFR plays critical roles during glioma development and progression and is a promising drug target for GBM therapy. However, PDGFR inhibitor (PDGFRi) has failed in clinical trials, at least partially, due to the activation of other RTKs, which compensates for PDGFR inhibition and renders tumor cells resistance to PDGFRi. Therefore, identifying the RTKs responsible for PDGFRi resistance might provide new therapeutic targets to syner- getically enhance the efficacy of PDGFRi. -
A Gain-Of-Function P53-Mutant Oncogene Promotes Cell Fate Plasticity and Myeloid Leukemia Through the Pluripotency Factor FOXH1
Published OnlineFirst May 8, 2019; DOI: 10.1158/2159-8290.CD-18-1391 RESEARCH ARTICLE A Gain-of-Function p53-Mutant Oncogene Promotes Cell Fate Plasticity and Myeloid Leukemia through the Pluripotency Factor FOXH1 Evangelia Loizou1,2, Ana Banito1, Geulah Livshits1, Yu-Jui Ho1, Richard P. Koche3, Francisco J. Sánchez-Rivera1, Allison Mayle1, Chi-Chao Chen1, Savvas Kinalis4, Frederik O. Bagger4,5, Edward R. Kastenhuber1,6, Benjamin H. Durham7, and Scott W. Lowe1,8 Downloaded from cancerdiscovery.aacrjournals.org on September 27, 2021. © 2019 American Association for Cancer Research. Published OnlineFirst May 8, 2019; DOI: 10.1158/2159-8290.CD-18-1391 ABSTRACT Mutations in the TP53 tumor suppressor gene are common in many cancer types, including the acute myeloid leukemia (AML) subtype known as complex karyotype AML (CK-AML). Here, we identify a gain-of-function (GOF) Trp53 mutation that accelerates CK-AML initiation beyond p53 loss and, surprisingly, is required for disease maintenance. The Trp53 R172H muta- tion (TP53 R175H in humans) exhibits a neomorphic function by promoting aberrant self-renewal in leu- kemic cells, a phenotype that is present in hematopoietic stem and progenitor cells (HSPC) even prior to their transformation. We identify FOXH1 as a critical mediator of mutant p53 function that binds to and regulates stem cell–associated genes and transcriptional programs. Our results identify a context where mutant p53 acts as a bona fi de oncogene that contributes to the pathogenesis of CK-AML and suggests a common biological theme for TP53 GOF in cancer. SIGNIFICANCE: Our study demonstrates how a GOF p53 mutant can hijack an embryonic transcrip- tion factor to promote aberrant self-renewal. -
Review Article Multiple Endocrine Neoplasia Type 2 And
J Med Genet 2000;37:817–827 817 J Med Genet: first published as 10.1136/jmg.37.11.817 on 1 November 2000. Downloaded from Review article Multiple endocrine neoplasia type 2 and RET: from neoplasia to neurogenesis Jordan R Hansford, Lois M Mulligan Abstract diseases for families. Elucidation of genetic Multiple endocrine neoplasia type 2 (MEN mechanisms and their functional consequences 2) is an inherited cancer syndrome char- has also given us clues as to the broader acterised by medullary thyroid carcinoma systems disrupted in these syndromes which, in (MTC), with or without phaeochromocy- turn, have further implications for normal toma and hyperparathyroidism. MEN 2 is developmental or survival processes. The unusual among cancer syndromes as it is inherited cancer syndrome multiple endocrine caused by activation of a cellular onco- neoplasia type 2 (MEN 2) and its causative gene, RET. Germline mutations in the gene, RET, are a useful paradigm for both the gene encoding the RET receptor tyrosine impact of genetic characterisation on disease kinase are found in the vast majority of management and also for the much broader MEN 2 patients and somatic RET muta- developmental implications of these genetic tions are found in a subset of sporadic events. MTC. Further, there are strong associa- tions of RET mutation genotype and disease phenotype in MEN 2 which have The RET receptor tyrosine kinase led to predictions of tissue specific re- MEN 2 arises as a result of activating mutations of the RET (REarranged during quirements and sensitivities to RET activ- 1–5 ity. Our ability to identify genetically, with Transfection) proto-oncogene. -
Crosstalk Between Integrin and Receptor Tyrosine Kinase Signaling in Breast Carcinoma Progression
BMB reports Mini Review Crosstalk between integrin and receptor tyrosine kinase signaling in breast carcinoma progression Young Hwa Soung, John L. Clifford & Jun Chung* Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, Shreveport, Louisiana 71130 This review explored the mechanism of breast carcinoma pro- cancer originates from breast epithelial cells that are trans- gression by focusing on integrins and receptor tyrosine kinases formed into metastatic carcinomas. Metastatic potential and re- (or growth factor receptors). While the primary role of integrins sponsiveness to treatment vary depending on the expression of was previously thought to be solely as mediators of adhesive hormone receptors such as estrogen receptor and progesterone interactions between cells and extracellular matrices, it is now receptor (5), RTKs such as ErbB-2, epidermal growth factor re- believed that integrins also regulate signaling pathways that ceptor (EGFR), and hepatocyte growth factor receptor, c-Met control cancer cell growth, survival, and invasion. A large (6), and integrins (7). Major integrins expressed on breast epi- body of evidence suggests that the cooperation between in- thelial cells include α2β1, α3β1, αvβ3, αvβ5, αvβ6, α5β1, tegrin and receptor tyrosine kinase signaling regulates certain α6β1, and α6β4 (7). Among these, this review focuses on signaling functions that are important for cancer progression. αvβ3, α5β1, and α6β4, all of which are upregulated in in- Recent developments on the crosstalk between integrins and vasive breast carcinoma and have well established relation- receptor tyrosine kinases, and its implication in mammary tu- ships with RTKs (8). These integrins serve as receptors for vi- mor progression, are discussed. -
Wnt-Independent and Wnt-Dependent Effects of APC Loss on the Chemotherapeutic Response
International Journal of Molecular Sciences Review Wnt-Independent and Wnt-Dependent Effects of APC Loss on the Chemotherapeutic Response Casey D. Stefanski 1,2 and Jenifer R. Prosperi 1,2,3,* 1 Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46617, USA; [email protected] 2 Mike and Josie Harper Cancer Research Institute, South Bend, IN 46617, USA 3 Department of Biochemistry and Molecular Biology, Indiana University School of Medicine-South Bend, South Bend, IN 46617, USA * Correspondence: [email protected]; Tel.: +1-574-631-4002 Received: 30 September 2020; Accepted: 20 October 2020; Published: 22 October 2020 Abstract: Resistance to chemotherapy occurs through mechanisms within the epithelial tumor cells or through interactions with components of the tumor microenvironment (TME). Chemoresistance and the development of recurrent tumors are two of the leading factors of cancer-related deaths. The Adenomatous Polyposis Coli (APC) tumor suppressor is lost in many different cancers, including colorectal, breast, and prostate cancer, and its loss correlates with a decreased overall survival in cancer patients. While APC is commonly known for its role as a negative regulator of the WNT pathway, APC has numerous binding partners and functional roles. Through APC’s interactions with DNA repair proteins, DNA replication proteins, tubulin, and other components, recent evidence has shown that APC regulates the chemotherapy response in cancer cells. In this review article, we provide an overview of some of the cellular processes in which APC participates and how they impact chemoresistance through both epithelial- and TME-derived mechanisms. Keywords: adenomatous polyposis coli; chemoresistance; WNT signaling 1. -
Erbb3 Is Involved in Activation of Phosphatidylinositol 3-Kinase by Epidermal Growth Factor STEPHEN P
MOLECULAR AND CELLULAR BIOLOGY, June 1994, p. 3550-3558 Vol. 14, No. 6 0270-7306/94/$04.00+0 Copyright C 1994, American Society for Microbiology ErbB3 Is Involved in Activation of Phosphatidylinositol 3-Kinase by Epidermal Growth Factor STEPHEN P. SOLTOFF,l* KERMIT L. CARRAWAY III,1 S. A. PRIGENT,2 W. G. GULLICK,2 AND LEWIS C. CANTLEY' Division of Signal Transduction, Department ofMedicine, Beth Israel Hospital, Boston, Massachusetts 02115,1 and Molecular Oncology Laboratory, ICRF Oncology Group, Hammersmith Hospital, London W12 OHS, United Kingdom2 Received 11 October 1993/Returned for modification 11 November 1993/Accepted 24 February 1994 Conflicting results concerning the ability of the epidermal growth factor (EGF) receptor to associate with and/or activate phosphatidylinositol (Ptdlns) 3-kinase have been published. Despite the ability of EGF to stimulate the production of Ptdlns 3-kinase products and to cause the appearance of PtdIns 3-kinase activity in antiphosphotyrosine immunoprecipitates in several cell lines, we did not detect EGF-stimulated Ptdlns 3-kinase activity in anti-EGF receptor immunoprecipitates. This result is consistent with the lack of a phosphorylated Tyr-X-X-Met motif, the p85 Src homology 2 (SH2) domain recognition sequence, in this receptor sequence. The EGF receptor homolog, ErbB2 protein, also lacks this motif. However, the ErbB3 protein has seven repeats of the Tyr-X-X-Met motif in the carboxy-terminal unique domain. Here we show that in A431 cells, which express both the EGF receptor and ErbB3, Ptdlns 3-kinase coprecipitates with the ErbB3 protein (pl80eR3) in response to EGF. p180B3 is also shown to be tyrosine phosphorylated in response to EGF. -
Functional Analysis of Somatic Mutations Affecting Receptor Tyrosine Kinase Family in Metastatic Colorectal Cancer
Author Manuscript Published OnlineFirst on March 29, 2019; DOI: 10.1158/1535-7163.MCT-18-0582 Author manuscripts have been peer reviewed and accepted for publication but have not yet been edited. Functional analysis of somatic mutations affecting receptor tyrosine kinase family in metastatic colorectal cancer Leslie Duplaquet1, Martin Figeac2, Frédéric Leprêtre2, Charline Frandemiche3,4, Céline Villenet2, Shéhérazade Sebda2, Nasrin Sarafan-Vasseur5, Mélanie Bénozène1, Audrey Vinchent1, Gautier Goormachtigh1, Laurence Wicquart6, Nathalie Rousseau3, Ludivine Beaussire5, Stéphanie Truant7, Pierre Michel8, Jean-Christophe Sabourin9, Françoise Galateau-Sallé10, Marie-Christine Copin1,6, Gérard Zalcman11, Yvan De Launoit1, Véronique Fafeur1 and David Tulasne1 1 Univ. Lille, CNRS, Institut Pasteur de Lille, UMR 8161 - M3T – Mechanisms of Tumorigenesis and Target Therapies, F-59000 Lille, France. 2 Univ. Lille, Plateau de génomique fonctionnelle et structurale, CHU Lille, F-59000 Lille, France 3 TCBN - Tumorothèque Caen Basse-Normandie, F-14000 Caen, France. 4 Réseau Régional de Cancérologie – OncoBasseNormandie – F14000 Caen – France. 5 Normandie Univ, UNIROUEN, Inserm U1245, IRON group, Rouen University Hospital, Normandy Centre for Genomic and Personalized Medicine, F-76000 Rouen, France. 6 Tumorothèque du C2RC de Lille, F-59037 Lille, France. 7 Department of Digestive Surgery and Transplantation, CHU Lille, Univ Lille, 2 Avenue Oscar Lambret, 59037, Lille Cedex, France. 8 Department of hepato-gastroenterology, Rouen University Hospital, Normandie Univ, UNIROUEN, Inserm U1245, IRON group, F-76000 Rouen, France. 9 Department of Pathology, Normandy University, INSERM 1245, Rouen University Hospital, F 76 000 Rouen, France. 10 Department of Pathology, MESOPATH-MESOBANK, Centre León Bérard, Lyon, France. 11 Thoracic Oncology Department, CIC1425/CLIP2 Paris-Nord, Hôpital Bichat-Claude Bernard, Paris, France. -
1 Adhesion and Growth Factor Receptor Crosstalk Mechanisms
Adhesion and Growth Factor Receptor Crosstalk Mechanisms Controlling Cell Migration Joanna R. Thomas1,2, Nikki R. Paul3, Mark R. Morgan1† 1. Institute of Translational Medicine, University of Liverpool, Crown Street, Liverpool, L69 3BX, UK. 2. Present Address: Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA 3. Beatson Institute for Cancer Research, Garscube Estate, Switchback Road, Glasgow, G61 1BD, UK. † Corresponding author Correspondence to: Dr Mark R. Morgan, PhD, Cellular & Molecular Physiology, Institute of Translational Medicine, University of Liverpool, Crown Street, Liverpool, L69 3BX, UK. Tel: [+44](0)151-795-4992 / e-mail: [email protected] / Twitter: @M_MorganLab Keywords: Integrin, Growth Factor Receptor, Syndecan, Migration, Adhesion, Trafficking, Endocytosis, Signalling, Abbreviations: AKT - AKT Serine/Threonine Kinase c-MET - Hepatocyte growth factor receptor ECM - Extracellular matrix EGF - Epidermal growth factor FAK - Focal adhesion kinase EGFR - Epidermal growth factor receptor FAK - Focal Adhesion Kinase FGFR - Fibroblast growth factor receptor GFR - Growth factor receptor HSPG - heparan sulfate proteoglycans IAC - Integrin-associated complex MAPK - Mitogen activated protein kinase PI3K - Phosphoinositide 3-kinase PKC - Protein kinase C RCP - Rab-coupling protein RTK - Receptor tyrosine kinase TCPTP - T-cell protein tyrosine phosphatase / PTPN2 TGFβ - Transforming growth factor β TGFβR2 - Transforming growth factor β receptor 2 VEGFR2 - Vascular endothelial growth factor receptor 1 Abstract Cell migration requires cells to sense and interpret an array of extracellular signals to precisely co-ordinate adhesion dynamics, local application of mechanical force, polarity signalling and cytoskeletal dynamics. Adhesion receptors and growth factor receptors exhibit functional and signalling characteristics that individually contribute to cell migration. Integrins transmit bidirectional mechanical forces and transduce long-range intracellular signals. -
The Erbb Receptor Tyrosine Family As Signal Integrators
Endocrine-Related Cancer (2001) 8 151–159 The ErbB receptor tyrosine family as signal integrators N E Hynes, K Horsch, M A Olayioye and A Badache Friedrich Miescher Institute, PO Box 2543, CH-4002 Basel, Switzerland (Requests for offprints should be addressed to N E Hynes, Friedrich Miescher Institute, R-1066.206, Maulbeerstrasse 66, CH-4058 Basel, Switzerland. Email: [email protected]) (M A Olayioye is now at The Walter and Eliza Hall Institute of Medical Research, PO Royal Melbourne Hospital, Victoria 3050, Australia) Abstract ErbB receptor tyrosine kinases (RTKs) and their ligands have important roles in normal development and in human cancer. Among the ErbB receptors only ErbB2 has no direct ligand; however, ErbB2 acts as a co-receptor for the other family members, promoting high affinity ligand binding and enhancement of ligand-induced biological responses. These characteristics demonstrate the central role of ErbB2 in the receptor family, which likely explains why it is involved in the development of many human malignancies, including breast cancer. ErbB RTKs also function as signal integrators, cross-regulating different classes of membrane receptors including receptors of the cytokine family. Cross-regulation of ErbB RTKs and cytokines receptors represents another mechanism for controlling and enhancing tumor cell proliferation. Endocrine-Related Cancer (2001) 8 151–159 Introduction The EGF-related peptide growth factors The epidermal growth factor (EGF) or ErbB family of type ErbB receptors are activated by ligands, known as the I receptor tyrosine kinases (RTKs) has four members:EGF EGF-related peptide growth factors (reviewed in Peles & receptor, also termed ErbB1/HER1, ErbB2/Neu/HER2, Yarden 1993, Riese & Stern 1998).