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Li S, Wei Y, Sun X, Liu M, Zhu M, Yuan Y, Zhang J, Dong Y, Hu K, Ma S, Zhang X, Xu B, Jiang H, Gan L, Liu T. JUNB mediates oxaliplatin resistance via the MAPK signaling pathway in gastric cancer by chromatin accessibility and transcriptomic analysis. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1784-1796. [PMID: 37337631 PMCID: PMC10679881 DOI: 10.3724/abbs.2023119] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 05/19/2023] [Indexed: 06/21/2023] Open
Abstract
Currently, platinum-containing regimens are the most commonly used regimens for advanced gastric cancer patients, and chemotherapy resistance is one of the main reasons for treatment failure. Thus, it is important to reveal the mechanism of oxaliplatin resistance and to seek effective intervention strategies to improve chemotherapy sensitivity, thereby improving the survival and prognosis of gastric cancer patients. To understand the molecular mechanisms of oxaliplatin resistance, we generate an oxaliplatin-resistant gastric cancer cell line and conduct assay for transposase-accessible chromatin sequencing (ATAC-seq) and RNA sequencing (RNA-seq) for both parental and oxaliplatin-resistant AGS cells. A total of 3232 genomic regions are identified to have higher accessibility in oxaliplatin-resistant cells, and DNA-binding motif analysis identifies JUNB as the core transcription factor in the regulatory network. JUNB is overexpressed in oxaliplatin-resistant gastric cancer cells, and its upregulation is associated with poor prognosis in gastric cancer patients, which is validated by our tissue microarray data. Moreover, chromatin immunoprecipitation sequencing (ChIP-seq) analysis reveals that JUNB binds to the transcriptional start site of key genes involved in the MAPK signaling pathway. Knockdown of JUNB inhibits the MAPK signaling pathway and restores sensitivity to oxaliplatin. Combined treatment with the ERK inhibitor piperlongumine or MEK inhibitor trametinib effectively overcomes oxaliplatin resistance. This study provides evidence that JUNB mediates oxaliplatin resistance in gastric cancer by activating the MAPK pathway. The combination of MAPK inhibitors with oxaliplatin overcomes resistance to oxaliplatin, providing a promising treatment opportunity for oxaliplatin-resistant gastric cancer patients.
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Affiliation(s)
- Suyao Li
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Yichou Wei
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Xun Sun
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Mengling Liu
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Mengxuan Zhu
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Yitao Yuan
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Jiayu Zhang
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Yu Dong
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Keshu Hu
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
| | - Sining Ma
- Department of Obstetrics and GynecologyZhongshan HospitalShanghai200032China
| | - Xiuping Zhang
- Department of OncologyZhongshan Hospital (Xiamen)Fudan UniversityXiamen361004China
| | - Bei Xu
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Hesheng Jiang
- Department of SurgerySouthwest HealthcareSouthern California Medical Education ConsortiumTemecula Valley HospitalTemeculaCA92592USA
| | - Lu Gan
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
| | - Tianshu Liu
- Department of Medical OncologyZhongshan HospitalFudan UniversityShanghai200032China
- Cancer CenterZhongshan HospitalFudan UniversityShanghai200032China
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2
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Zhang Y, Cheng K, Choi J. TCR Pathway Mutations in Mature T Cell Lymphomas. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2023; 211:1450-1458. [PMID: 37931208 PMCID: PMC10715708 DOI: 10.4049/jimmunol.2200682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 06/06/2023] [Indexed: 11/08/2023]
Abstract
Mature T cell lymphomas are heterogeneous neoplasms that are aggressive and resistant to treatment. Many of these cancers retain immunological properties of their cell of origin. They express cytokines, cytotoxic enzymes, and cell surface ligands normally induced by TCR signaling in untransformed T cells. Until recently, their molecular mechanisms were unclear. Recently, high-dimensional studies have transformed our understanding of their cellular and genetic characteristics. Somatic mutations in the TCR signaling pathway drive lymphomagenesis by disrupting autoinhibitory domains, increasing affinity to ligands, and/or inducing TCR-independent signaling. Collectively, most of these mutations augment signaling pathways downstream of the TCR. Emerging data suggest that these mutations not only drive proliferation but also determine lymphoma immunophenotypes. For example, RHOA mutations are sufficient to induce disease-relevant CD4+ T follicular helper cell phenotypes. In this review, we describe how mutations in the TCR signaling pathway elucidate lymphoma pathophysiology but also provide insights into broader T cell biology.
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Affiliation(s)
- Yue Zhang
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Kathleen Cheng
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jaehyuk Choi
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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3
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Wu R, Lim MS. Updates in pathobiological aspects of anaplastic large cell lymphoma. Front Oncol 2023; 13:1241532. [PMID: 37810974 PMCID: PMC10556522 DOI: 10.3389/fonc.2023.1241532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Anaplastic large cell lymphomas (ALCL) encompass several distinct subtypes of mature T-cell neoplasms that are unified by the expression of CD30 and anaplastic cytomorphology. Identification of the cytogenetic abnormality t(2;5)(p23;q35) led to the subclassification of ALCLs into ALK+ ALCL and ALK- ALCL. According to the most recent World Health Organization (WHO) Classification of Haematolymphoid Tumours as well as the International Consensus Classification (ICC) of Mature Lymphoid Neoplasms, ALCLs encompass ALK+ ALCL, ALK- ALCL, and breast implant-associated ALCL (BI-ALCL). Approximately 80% of systemic ALCLs harbor rearrangement of ALK, with NPM1 being the most common partner gene, although many other fusion partner genes have been identified to date. ALK- ALCLs represent a heterogeneous group of lymphomas with distinct clinical, immunophenotypic, and genetic features. A subset harbor recurrent rearrangement of genes, including TYK2, DUSP22, and TP63, with a proportion for which genetic aberrations have yet to be characterized. Although primary cutaneous ALCL (pc-ALCL) is currently classified as a subtype of primary cutaneous T-cell lymphoma, due to the large anaplastic and pleomorphic morphology together with CD30 expression in the malignant cells, this review also discusses the pathobiological features of this disease entity. Genomic and proteomic studies have contributed significant knowledge elucidating novel signaling pathways that are implicated in ALCL pathogenesis and represent candidate targets of therapeutic interventions. This review aims to offer perspectives on recent insights regarding the pathobiological and genetic features of ALCL.
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Affiliation(s)
| | - Megan S. Lim
- Department of Pathology and Laboratory Medicine, Memorial Sloan Kettering Cancer Center, New York, NY, United States
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4
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Kaur G, Sharma D, Bisen S, Mukhopadhyay CS, Gurdziel K, Singh NK. Vascular cell-adhesion molecule 1 (VCAM-1) regulates JunB-mediated IL-8/CXCL1 expression and pathological neovascularization. Commun Biol 2023; 6:516. [PMID: 37179352 PMCID: PMC10183029 DOI: 10.1038/s42003-023-04905-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
Vascular adhesion molecules play an important role in various immunological disorders, particularly in cancers. However, little is known regarding the role of these adhesion molecules in proliferative retinopathies. We observed that IL-33 regulates VCAM-1 expression in human retinal endothelial cells and that genetic deletion of IL-33 reduces hypoxia-induced VCAM-1 expression and retinal neovascularization in C57BL/6 mice. We found that VCAM-1 via JunB regulates IL-8 promoter activity and expression in human retinal endothelial cells. In addition, our study outlines the regulatory role of VCAM-1-JunB-IL-8 signaling on retinal endothelial cell sprouting and angiogenesis. Our RNA sequencing results show an induced expression of CXCL1 (a murine functional homolog of IL-8) in the hypoxic retina, and intravitreal injection of VCAM-1 siRNA not only decreases hypoxia-induced VCAM-1-JunB-CXCL1 signaling but also reduces OIR-induced sprouting and retinal neovascularization. These findings suggest that VCAM-1-JunB-IL-8 signaling plays a crucial role in retinal neovascularization, and its antagonism might provide an advanced treatment option for proliferative retinopathies.
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Affiliation(s)
- Geetika Kaur
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, School of Medicine, Wayne State University, Detroit, MI, 48202, USA
| | - Deepti Sharma
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, School of Medicine, Wayne State University, Detroit, MI, 48202, USA
| | - Shivantika Bisen
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, School of Medicine, Wayne State University, Detroit, MI, 48202, USA
| | - Chandra Sekhar Mukhopadhyay
- School of Animal Biotechnology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, 141004, India
| | - Katherine Gurdziel
- Institute of Environmental Health Sciences and Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, 48202, USA
| | - Nikhlesh K Singh
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA.
- Department of Ophthalmology, Visual and Anatomical Sciences, School of Medicine, Wayne State University, Detroit, MI, 48202, USA.
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5
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Kojima N, Mori T, Motoi T, Kobayashi E, Yoshida M, Yatabe Y, Ichikawa H, Kawai A, Yonemori K, Antonescu CR, Yoshida A. Frequent CD30 Expression in an Emerging Group of Mesenchymal Tumors With NTRK, BRAF, RAF1, or RET Fusions. Mod Pathol 2023; 36:100083. [PMID: 36788089 PMCID: PMC10373933 DOI: 10.1016/j.modpat.2022.100083] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 01/12/2023]
Abstract
Neurotrophic tyrosine receptor kinase (NTRK) fusions define infantile fibrosarcomas in young children and NTRK-rearranged spindle-cell tumors in older children and adults, which share characteristic spindle-cell histology and CD34 or S100 protein expression. Similar phenotypes were identified in tumors with BRAF, RAF1, or RET fusions, suggesting a unifying concept of "spindle-cell tumors with kinase gene fusions." In this study, we investigated CD30 expression in 38 mesenchymal tumors with kinase gene fusions using immunohistochemistry. CD30 was expressed in 15 of 22 NTRK-rearranged tumors and 12 of 16 tumors with BRAF, RAF1, or RET fusions. In total, CD30 was expressed in 27 of the 38 tumors (71%), with >50% CD30-positive cells in 21 tumors and predominantly moderate or strong staining in 24 tumors. CD34 and S100 protein were also expressed in 71% and 69% of the tumors, respectively. In contrast, CD30 was significantly less frequently expressed in other mesenchymal tumor types that histologically mimic kinase fusion-positive tumors (9 of 150 tumors, 6%), of which none showed >50% or predominantly strong staining. Among these mimicking tumors, malignant peripheral nerve sheath tumors occasionally (30%) expressed CD30, albeit in a weak focal manner in most positive cases. CD30 was also expressed in 3 of 15 separately analyzed ALK- or ROS1-positive inflammatory myofibroblastic tumors. Frequent expression of CD30 enhances the shared phenotype of spindle-cell tumors with NTRK and other kinase gene fusions, and its sensitivity seems similar to that of CD34 and S100 protein. Although moderate sensitivity hampers its use as a screening tool, CD30 expression could be valuable to rapidly identify high-yield candidates for molecular workup, particularly in communities that lack routine genetic analysis and/or for tumors with BRAF, RAF1, or RET fusions.
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Affiliation(s)
- Naoki Kojima
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan
| | - Taisuke Mori
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan; Division of Molecular Pathology, National Cancer Center Research Institute, Tokyo, Japan
| | - Toru Motoi
- Department of Pathology, Komagome Hospital, Tokyo, Japan
| | - Eisuke Kobayashi
- Department of Musculoskeletal Oncology, National Cancer Center Hospital, Tokyo, Japan; Rare Cancer Center, National Cancer Center Hospital, Tokyo, Japan
| | - Masayuki Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan
| | - Yasushi Yatabe
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan; Division of Molecular Pathology, National Cancer Center Research Institute, Tokyo, Japan
| | - Hitoshi Ichikawa
- Department of Clinical Genomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Akira Kawai
- Department of Musculoskeletal Oncology, National Cancer Center Hospital, Tokyo, Japan; Rare Cancer Center, National Cancer Center Hospital, Tokyo, Japan
| | - Kan Yonemori
- Rare Cancer Center, National Cancer Center Hospital, Tokyo, Japan; Department of Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Cristina R Antonescu
- Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Akihiko Yoshida
- Department of Diagnostic Pathology, National Cancer Center Hospital, Tokyo, Japan; Rare Cancer Center, National Cancer Center Hospital, Tokyo, Japan.
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6
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Garces de Los Fayos Alonso I, Zujo L, Wiest I, Kodajova P, Timelthaler G, Edtmayer S, Zrimšek M, Kollmann S, Giordano C, Kothmayer M, Neubauer HA, Dey S, Schlederer M, Schmalzbauer BS, Limberger T, Probst C, Pusch O, Högler S, Tangermann S, Merkel O, Schiefer AI, Kornauth C, Prutsch N, Zimmerman M, Abraham B, Anagnostopoulos J, Quintanilla-Martinez L, Mathas S, Wolf P, Stoiber D, Staber PB, Egger G, Klapper W, Woessmann W, Look TA, Gunning P, Turner SD, Moriggl R, Lagger S, Kenner L. PDGFRβ promotes oncogenic progression via STAT3/STAT5 hyperactivation in anaplastic large cell lymphoma. Mol Cancer 2022; 21:172. [PMID: 36045346 PMCID: PMC9434917 DOI: 10.1186/s12943-022-01640-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 07/31/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Anaplastic large cell lymphoma (ALCL) is an aggressive non-Hodgkin T cell lymphoma commonly driven by NPM-ALK. AP-1 transcription factors, cJUN and JUNb, act as downstream effectors of NPM-ALK and transcriptionally regulate PDGFRβ. Blocking PDGFRβ kinase activity with imatinib effectively reduces tumor burden and prolongs survival, although the downstream molecular mechanisms remain elusive. METHODS AND RESULTS In a transgenic mouse model that mimics PDGFRβ-driven human ALCL in vivo, we identify PDGFRβ as a driver of aggressive tumor growth. Mechanistically, PDGFRβ induces the pro-survival factor Bcl-xL and the growth-enhancing cytokine IL-10 via STAT5 activation. CRISPR/Cas9 deletion of both STAT5 gene products, STAT5A and STAT5B, results in the significant impairment of cell viability compared to deletion of STAT5A, STAT5B or STAT3 alone. Moreover, combined blockade of STAT3/5 activity with a selective SH2 domain inhibitor, AC-4-130, effectively obstructs tumor development in vivo. CONCLUSIONS We therefore propose PDGFRβ as a novel biomarker and introduce PDGFRβ-STAT3/5 signaling as an important axis in aggressive ALCL. Furthermore, we suggest that inhibition of PDGFRβ or STAT3/5 improve existing therapies for both previously untreated and relapsed/refractory ALK+ ALCL patients.
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Affiliation(s)
- I Garces de Los Fayos Alonso
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - L Zujo
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
- Division of Nuclear Medicine, Medical University of Vienna, 1090, Vienna, Austria
| | - I Wiest
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
- Division of Nuclear Medicine, Medical University of Vienna, 1090, Vienna, Austria
| | - P Kodajova
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - G Timelthaler
- Center for Cancer Research, Medical University of Vienna, 1090, Vienna, Austria
| | - S Edtmayer
- Division Pharmacology, Department of Pharmacology, Physiology and Microbiology, Karl Landsteiner University of Health Sciences, 3500, Krems, Austria
| | - M Zrimšek
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - S Kollmann
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - C Giordano
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - M Kothmayer
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
- Centre for Anatomy and Cell Biology, Medical University of Vienna, 1090, Vienna, Austria
| | - H A Neubauer
- Institute of Animal Breeding and Genetics, Unit of Functional Cancer Genomics, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - S Dey
- Department of Dermatology, Medical University of Graz, 8036, Graz, Austria
- Center for Medical Research (ZMF), Medical University of Graz, 8010, Graz, Austria
| | - M Schlederer
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - B S Schmalzbauer
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - T Limberger
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Division of Nuclear Medicine, Medical University of Vienna, 1090, Vienna, Austria
- CBMed Core Lab, Medical University of Vienna, 1090, Vienna, Austria
| | - C Probst
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
- Division of Nuclear Medicine, Medical University of Vienna, 1090, Vienna, Austria
| | - O Pusch
- Centre for Anatomy and Cell Biology, Medical University of Vienna, 1090, Vienna, Austria
| | - S Högler
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - S Tangermann
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - O Merkel
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - A I Schiefer
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
| | - C Kornauth
- Department of Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, 1090, Vienna, Austria
- Comprehensive Cancer Center Vienna, Vienna General Hospital, Medical University of Vienna, 1090, Vienna, Austria
| | - N Prutsch
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - M Zimmerman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - B Abraham
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - J Anagnostopoulos
- Institute of Pathology, University of Wuerzburg, 97080, Würzburg, Germany
- Institute of Pathology, Charité-Medical University of Berlin, 10117, Berlin, Germany
| | - L Quintanilla-Martinez
- Institute of Pathology and Neuropathology and Cluster of excellence iFIT, "Image-Guided and Functionally Instructed Tumor Therapy", University of Tübingen, 72076, Tübingen, Germany
| | - S Mathas
- Department of Hematology, Oncology, and Cancer Immunology, Charité-Medical University of Berlin, 12200, Berlin, Germany
- German Cancer Consortium (DKTK) German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany
- Max-Delbrück-Center (MDC) for Molecular Medicine, 13125, Berlin, Germany
- Experimental and Clinical Research Center, a joint cooperation between the Charité and the MDC, 13125, Berlin, Germany
| | - P Wolf
- Department of Dermatology, Medical University of Graz, 8036, Graz, Austria
| | - D Stoiber
- Division Pharmacology, Department of Pharmacology, Physiology and Microbiology, Karl Landsteiner University of Health Sciences, 3500, Krems, Austria
| | - P B Staber
- Department of Medicine I, Division of Hematology and Hemostaseology, Medical University of Vienna, 1090, Vienna, Austria
- Comprehensive Cancer Center Vienna, Vienna General Hospital, Medical University of Vienna, 1090, Vienna, Austria
| | - G Egger
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria
- Comprehensive Cancer Center Vienna, Vienna General Hospital, Medical University of Vienna, 1090, Vienna, Austria
- Boltzmann Institute Applied Diagnostics, 1090, Vienna, Austria
| | - W Klapper
- Department of Pathology, Hematopathology Section and Lymph Node Registry, University of Kiel/University Hospital Schleswig-Holstein, 24105, Kiel, Germany
| | - W Woessmann
- Pediatric Hematology and Oncology, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - T A Look
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - P Gunning
- Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON, L5L 1C6, Canada
- Department of Chemistry, University of Toronto, Toronto, ON, M5S 3H6, Canada
| | - S D Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, CB20QQ, UK
- Central European Institute of Technology (CEITEC), Masaryk University, Brno, Czech Republic
| | - R Moriggl
- Institute of Animal Breeding and Genetics, Unit of Functional Cancer Genomics, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - S Lagger
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria
| | - L Kenner
- Department of Pathology, Medical University of Vienna, 1090, Vienna, Austria.
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna, 1210, Vienna, Austria.
- Division of Nuclear Medicine, Medical University of Vienna, 1090, Vienna, Austria.
- Center for Medical Research (ZMF), Medical University of Graz, 8010, Graz, Austria.
- CBMed Core Lab, Medical University of Vienna, 1090, Vienna, Austria.
- Christian Doppler Laboratory of Applied Metabolomics, Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, 1090, Vienna, Austria.
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7
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Shen H, Huang F, Zhang X, Ojo OA, Li Y, Trummell HQ, Anderson JC, Fiveash J, Bredel M, Yang ES, Willey CD, Chong Z, Bonner JA, Shi LZ. Selective suppression of melanoma lacking IFN-γ pathway by JAK inhibition depends on T cells and host TNF signaling. Nat Commun 2022; 13:5013. [PMID: 36008408 PMCID: PMC9411168 DOI: 10.1038/s41467-022-32754-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 08/16/2022] [Indexed: 11/09/2022] Open
Abstract
Therapeutic resistance to immune checkpoint blockers (ICBs) in melanoma patients is a pressing issue, of which tumor loss of IFN-γ signaling genes is a major underlying mechanism. However, strategies of overcoming this resistance mechanism have been largely elusive. Moreover, given the indispensable role of tumor-infiltrating T cells (TILs) in ICBs, little is known about how tumor-intrinsic loss of IFN-γ signaling (IFNγR1KO) impacts TILs. Here, we report that IFNγR1KO melanomas have reduced infiltration and function of TILs. IFNγR1KO melanomas harbor a network of constitutively active protein tyrosine kinases centered on activated JAK1/2. Mechanistically, JAK1/2 activation is mediated by augmented mTOR. Importantly, JAK1/2 inhibition with Ruxolitinib selectively suppresses the growth of IFNγR1KO but not scrambled control melanomas, depending on T cells and host TNF. Together, our results reveal an important role of tumor-intrinsic IFN-γ signaling in shaping TILs and manifest a targeted therapy to bypass ICB resistance of melanomas defective of IFN-γ signaling.
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Affiliation(s)
- Hongxing Shen
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA
| | - Fengyuan Huang
- Department of Genetics and Informatics Institute, UAB-SOM, Birmingham, AL, USA
| | - Xiangmin Zhang
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI, 48201, USA
| | - Oluwagbemiga A Ojo
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA
| | - Yuebin Li
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA
| | - Hoa Quang Trummell
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA
| | - Joshua C Anderson
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA
| | - John Fiveash
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA.,O'Neal Comprehensive Cancer Center, UAB-SOM, Birmingham, AL, USA
| | - Markus Bredel
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA.,O'Neal Comprehensive Cancer Center, UAB-SOM, Birmingham, AL, USA
| | - Eddy S Yang
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA.,O'Neal Comprehensive Cancer Center, UAB-SOM, Birmingham, AL, USA
| | - Christopher D Willey
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA.,O'Neal Comprehensive Cancer Center, UAB-SOM, Birmingham, AL, USA
| | - Zechen Chong
- Department of Genetics and Informatics Institute, UAB-SOM, Birmingham, AL, USA. .,O'Neal Comprehensive Cancer Center, UAB-SOM, Birmingham, AL, USA.
| | - James A Bonner
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA. .,O'Neal Comprehensive Cancer Center, UAB-SOM, Birmingham, AL, USA.
| | - Lewis Zhichang Shi
- Department of Radiation Oncology, Heersink School of Medicine, University of Alabama at Birmingham (UAB-SOM), Birmingham, AL, 35233, USA. .,O'Neal Comprehensive Cancer Center, UAB-SOM, Birmingham, AL, USA. .,Department of Microbiology, UAB-SOM, Birmingham, AL, USA. .,Department of Pharmacology and Toxicology, UAB-SOM, Birmingham, AL, USA. .,Programs in Immunology, UAB-SOM, Birmingham, AL, USA.
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8
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Amino acid sensor GCN2 promotes SARS-CoV-2 receptor ACE2 expression in response to amino acid deprivation. Commun Biol 2022; 5:651. [PMID: 35778545 PMCID: PMC9249868 DOI: 10.1038/s42003-022-03609-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 06/21/2022] [Indexed: 12/14/2022] Open
Abstract
Angiotensin-converting enzyme 2 (ACE2) has been identified as a primary receptor for severe acute respiratory syndrome coronaviruses 2 (SARS-CoV-2). Here, we investigated the expression regulation of ACE2 in enterocytes under amino acid deprivation conditions. In this study, we found that ACE2 expression was upregulated upon all or single essential amino acid deprivation in human colonic epithelial CCD841 cells. Furthermore, we found that knockdown of general control nonderepressible 2 (GCN2) reduced intestinal ACE2 mRNA and protein levels in vitro and in vivo. Consistently, we revealed two GCN2 inhibitors, GCN2iB and GCN2-IN-1, downregulated ACE2 protein expression in CCD841 cells. Moreover, we found that increased ACE2 expression in response to leucine deprivation was GCN2 dependent. Through RNA-sequencing analysis, we identified two transcription factors, MAFB and MAFF, positively regulated ACE2 expression under leucine deprivation in CCD841 cells. These findings demonstrate that amino acid deficiency increases ACE2 expression and thereby likely aggravates intestinal SARS-CoV-2 infection. Amino acid deprivation increases ACE2 expression in the gut, potentially aggravating SARS-CoV-2 infection.
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9
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Chioureas D, Beck J, Baltatzis G, Vardaki I, Fonseca P, Tsesmetzis N, Vega F, Leventaki V, Eliopoulos AG, Drakos E, Rassidakis GZ, Panaretakis T. ALK+ Anaplastic Large Cell Lymphoma (ALCL)-Derived Exosomes Carry ALK Signaling Proteins and Interact with Tumor Microenvironment. Cancers (Basel) 2022; 14:cancers14122939. [PMID: 35740600 PMCID: PMC9221431 DOI: 10.3390/cancers14122939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 06/01/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary ALK+ anaplastic large cell lymphoma (ALK+ ALCL) is a distinct type of aggressive non-Hodgkin lymphoma of T-cell origin, which is characterized by overexpression and activation of ALK kinase due to chromosomal translocations of the gene. The most frequent chromosomal aberration is the t(2;5) resulting in the NPM-ALK chimeric protein, which exerts its oncogenic functions through activation of multiple oncogenic pathways. Exosomes, the best characterized type of extracellular vesicles, are secreted from the tumor cells, thus transferring signals to other cells that uptake exosomes. In this study, we demonstrate that ALK+ ALCL cells secrete exosomes that carry critical molecules of ALK signaling, which can be taken up by other cells with significant biologic effects including functional interactions with tumor microenvironment cells, which may contribute to tumor aggressiveness and possibly resistance to treatment. Abstract The oncogenic pathways activated by the NPM-ALK chimeric kinase of ALK+ anaplastic large cell lymphoma (ALCL) are well characterized; however, the potential interactions of ALK signaling with the microenvironment are not yet known. Here we report that ALK+ ALCL-derived exosomes contain critical components of ALK signaling as well as CD30, and that exosome uptake by lymphoid cells led to increased proliferation and expression of critical antiapoptotic proteins by the recipient cells. The bone marrow fibroblasts highly uptake ALK+ ALCL-derived exosomes and acquire a cancer-associated fibroblast (CAF) phenotype. Moreover, exosome-mediated activation of stromal cells altered the cytokine profile of the microenvironment. These interactions may contribute to tumor aggressiveness and possibly resistance to treatment.
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Affiliation(s)
- Dimitrios Chioureas
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
| | - Janina Beck
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
| | - George Baltatzis
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
| | - Ioulia Vardaki
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
| | - Pedro Fonseca
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
| | - Nikolaos Tsesmetzis
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
| | - Francisco Vega
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Vasiliki Leventaki
- Department of Pathology, Children’s Hospital of Wisconsin & Medical College of Wisconsin, Milwaukee, WI 53226, USA;
| | - Aristides G. Eliopoulos
- Department of Biology, School of Medicine, National and Kapodistrian University of Athens, 115 27 Athens, Greece;
- Center of Basic Research, Biomedical Research Foundation of the Academy of Athens, 115 27 Athens, Greece
| | - Elias Drakos
- Department of Pathology, University of Crete Medical School, 715 00 Heraklion, Greece;
| | - George Z. Rassidakis
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
- Department of Clinical Pathology and Cancer Diagnostics, Karolinska University Hospital, SE-17176 Stockholm, Sweden
- Correspondence: ; Tel.: +46-851776162
| | - Theocharis Panaretakis
- Department of Oncology and Pathology, Karolinska Institutet, SE-17176 Stockholm, Sweden; (D.C.); (J.B.); (G.B.); (I.V.); (P.F.); (N.T.); (T.P.)
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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10
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Wang Y, He J, Xu M, Xue Q, Zhu C, Liu J, Zhang Y, Shi W. Holistic View of ALK TKI Resistance in ALK-Positive Anaplastic Large Cell Lymphoma. Front Oncol 2022; 12:815654. [PMID: 35211406 PMCID: PMC8862178 DOI: 10.3389/fonc.2022.815654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/04/2022] [Indexed: 11/23/2022] Open
Abstract
Anaplastic lymphoma kinase (ALK) is a receptor tyrosine kinase expressed at early stages of normal development and in various cancers including ALK-positive anaplastic large cell lymphoma (ALK+ ALCL), in which it is the main therapeutic target. ALK tyrosine kinase inhibitors (ALK TKIs) have greatly improved the prognosis of ALK+ALCL patients, but the emergence of drug resistance is inevitable and limits the applicability of these drugs. Although various mechanisms of resistance have been elucidated, the problem persists and there have been relatively few relevant clinical studies. This review describes research progress on ALK+ ALCL including the application and development of new therapies, especially in relation to drug resistance. We also propose potential treatment strategies based on current knowledge to inform the design of future clinical trials.
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Affiliation(s)
- Yuan Wang
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China.,Nantong University School of Medicine, Nantong, China
| | - Jing He
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China.,Nantong University School of Medicine, Nantong, China
| | - Manyu Xu
- Department of Clinical Biobank, Affiliated Hospital of Nantong University, Nantong, China
| | - Qingfeng Xue
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China
| | - Cindy Zhu
- Department of Psychology, University of California, Los Angeles (UCLA), Los Angeles, CA, United States
| | - Juan Liu
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China.,Nantong University School of Medicine, Nantong, China
| | - Yaping Zhang
- Department of Hematology, Affiliated Hospital of Nantong University, Nantong, China
| | - Wenyu Shi
- Department of Oncology, Affiliated Hospital of Nantong University, Nantong, China.,Department of Hematology, Affiliated Hospital of Nantong University, Nantong, China
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11
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Quinn CH, Beierle AM, Williams AP, Marayati R, Bownes LV, Markert HR, Aye JM, Stewart JE, Mroczek-Musulman E, Crossman DK, Yoon KJ, Beierle EA. Downregulation of PDGFRß Signaling Overcomes Crizotinib Resistance in a TYRO3 and ALK Mutated Neuroendocrine-Like Tumor. Transl Oncol 2021; 14:101099. [PMID: 33887553 PMCID: PMC8086143 DOI: 10.1016/j.tranon.2021.101099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/03/2021] [Indexed: 01/04/2023] Open
Abstract
Patient-derived xenografts provide significant advantages over long-term passage cell lines when investigating efficacy of treatments for solid tumors. Our laboratory encountered a high-grade, metastatic, neuroendocrine-like tumor from a pediatric patient that presented with a unique genetic profile. In particular, mutations in TYRO3 and ALK were identified. We established a human patient-derived xenoline (PDX) of this tumor for use in the current study. We investigated the effect of crizotinib, a chemotherapeutic known to effectively target both TYRO3 and ALK mutations. Crizotinib effectively decreased viability, proliferation, growth, and the metastatic properties of the PDX tumor through downregulation of STAT3 signaling, but expression of PDGFRß was increased. Sunitinib is a small molecule inhibitor of PDGFRß and was studied in this PDX independently and in combination with crizotinib. Sunitinib alone decreased viability, proliferation, and growth in vitro and decreased tumor growth in vivo. In combination, sunitinib was able to overcome potential crizotinib-induced resistance through downregulation of ERK 1/2 activity and PDGFRß receptor expression; consequently, tumor growth was significantly decreased both in vitro and in vivo. Through the use of the PDX, it was possible to identify crizotinib as a less effective therapeutic for this tumor and suggest that targeting PDGFRß would be more effective. These findings may translate to other solid tumors that present with the same genetic mutations.
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Affiliation(s)
- Colin H Quinn
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States
| | - Andee M Beierle
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States
| | - Adele P Williams
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States
| | - Raoud Marayati
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States
| | - Laura V Bownes
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States
| | - Hooper R Markert
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States
| | - Jamie M Aye
- Division of Pediatric Hematology Oncology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL 35233, United States
| | - Jerry E Stewart
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States
| | | | - David K Crossman
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL 35233, United States
| | - Karina J Yoon
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL 35233, United States
| | - Elizabeth A Beierle
- Division of Pediatric Surgery, Department of Surgery, University of Alabama at Birmingham, 1600 7th Ave. South, Lowder, Room 300, Birmingham, AL 35233, United States.
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12
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Garbin A, Lovisa F, Holmes AB, Damanti CC, Gallingani I, Carraro E, Accordi B, Veltri G, Pizzi M, d'Amore ESG, Pillon M, Biffi A, Basso K, Mussolin L. miR-939 acts as tumor suppressor by modulating JUNB transcriptional activity in pediatric anaplastic large cell lymphoma. Haematologica 2021; 106:610-613. [PMID: 32299901 PMCID: PMC7849582 DOI: 10.3324/haematol.2019.241307] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 04/09/2020] [Indexed: 12/13/2022] Open
Affiliation(s)
- Anna Garbin
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Federica Lovisa
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Antony B Holmes
- Institute for Cancer Genetics, Columbia University, New York, NY, USA
| | - Carlotta C Damanti
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Ilaria Gallingani
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Elisa Carraro
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Benedetta Accordi
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Giulia Veltri
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Marco Pizzi
- Surgical Pathology and Cytopathology Unit, Department of Medicine, University of Padova, Italy
| | | | - Marta Pillon
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Alessandra Biffi
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
| | - Katia Basso
- Institute for Cancer Genetics and Dept of Pathology and Cell Biology, Columbia University, New York, USA
| | - Lara Mussolin
- Dept Women's and Children's Health, Clinic of Pediatric Hemato-Oncology, University of Padua, Italy
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13
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Wu Z, Nicoll M, Ingham RJ. AP-1 family transcription factors: a diverse family of proteins that regulate varied cellular activities in classical hodgkin lymphoma and ALK+ ALCL. Exp Hematol Oncol 2021; 10:4. [PMID: 33413671 PMCID: PMC7792353 DOI: 10.1186/s40164-020-00197-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 01/07/2023] Open
Abstract
Classical Hodgkin lymphoma (cHL) and anaplastic lymphoma kinase-positive, anaplastic large cell lymphoma (ALK+ ALCL) are B and T cell lymphomas respectively, which express the tumour necrosis factor receptor superfamily member, CD30. Another feature shared by cHL and ALK+ ALCL is the aberrant expression of multiple members of the activator protein-1 (AP-1) family of transcription factors which includes proteins of the Jun, Fos, ATF, and Maf subfamilies. In this review, we highlight the varied roles these proteins play in the pathobiology of these lymphomas including promoting proliferation, suppressing apoptosis, and evading the host immune response. In addition, we discuss factors contributing to the elevated expression of these transcription factors in cHL and ALK+ ALCL. Finally, we examine therapeutic strategies for these lymphomas that exploit AP-1 transcriptional targets or the signalling pathways they regulate.
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Affiliation(s)
- Zuoqiao Wu
- grid.17089.37Department of Medical Microbiology and Immunology, Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Canada ,grid.17063.330000 0001 2157 2938Present Address: Department of Medicine, University of Toronto, Toronto, Canada
| | - Mary Nicoll
- grid.17089.37Department of Medical Microbiology and Immunology, Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Canada ,grid.14709.3b0000 0004 1936 8649Present Address: Department of Biology, McGill University, Montreal, Canada
| | - Robert J. Ingham
- grid.17089.37Department of Medical Microbiology and Immunology, Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Canada
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14
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Kumar R, Mani AM, Singh NK, Rao GN. PKCθ-JunB axis via upregulation of VEGFR3 expression mediates hypoxia-induced pathological retinal neovascularization. Cell Death Dis 2020; 11:325. [PMID: 32382040 PMCID: PMC7206019 DOI: 10.1038/s41419-020-2522-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 04/17/2020] [Accepted: 04/20/2020] [Indexed: 12/30/2022]
Abstract
Pathological retinal neovascularization is the most common cause of vision loss. PKCθ has been shown to play a role in type 2 diabetes, which is linked to retinal neovascularization. Based on these clues, we have studied the role of PKCθ and its downstream target genes JunB and VEGFR3 in retinal neovascularization using global and tissue-specific knockout mouse models along with molecular biological approaches. Here, we show that vascular endothelial growth factor A (VEGFA) induces PKCθ phosphorylation in human retinal microvascular endothelial cells (HRMVECs) and downregulation of its levels attenuates VEGFA-induced HRMVECs migration, sprouting and tube formation. Furthermore, the whole body deletion of PKCθ or EC-specific deletion of its target gene JunB inhibited hypoxia-induced retinal EC proliferation, tip cell formation and neovascularization. VEGFA also induced VEGFR3 expression via JunB downstream to PKCθ in the regulation of HRMVEC migration, sprouting, and tube formation in vitro and OIR-induced retinal EC proliferation, tip cell formation and neovascularization in vivo. In addition, VEGFA-induced VEGFR3 expression requires VEGFR2 activation upstream to PKCθ-JunB axis both in vitro and in vivo. Depletion of VEGFR2 or VEGFR3 levels attenuated VEGFA-induced HRMVEC migration, sprouting and tube formation in vitro and retinal neovascularization in vivo and it appears that these events were dependent on STAT3 activation. Furthermore, the observations using soluble VEGFR3 indicate that VEGFR3 mediates its effects on retinal neovascularization in a ligand dependent and independent manner downstream to VEGFR2. Together, these observations suggest that PKCθ-dependent JunB-mediated VEGFR3 expression targeting STAT3 activation is required for VEGFA/VEGFR2-induced retinal neovascularization.
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Affiliation(s)
- Raj Kumar
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Arul M Mani
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Nikhlesh K Singh
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Gadiparthi N Rao
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA.
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15
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Kallergi G, Hoffmann O, Bittner AK, Papadimitriou L, Katsarou SD, Zacharopoulou N, Zervakis M, Sfakianakis S, Stournaras C, Georgoulias V, Kimmig R, Kasimir-Bauer S. CXCR4 and JUNB double-positive disseminated tumor cells are detected frequently in breast cancer patients at primary diagnosis. Ther Adv Med Oncol 2020; 12:1758835919895754. [PMID: 32426042 PMCID: PMC7222234 DOI: 10.1177/1758835919895754] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 11/18/2019] [Indexed: 12/24/2022] Open
Abstract
Background: The chemokine receptor CXCR4 and the transcription factor JUNB, expressed on a variety of tumor cells, seem to play an important role in the metastatic process. Since disseminated tumor cells (DTCs) in the bone marrow (BM) have been associated with worse outcomes, we evaluated the expression of CXCR4 and JUNB in DTCs of primary, nonmetastatic breast cancer (BC) patients before the onset of any systemic treatment. Methods: Bilateral BM (10 ml) aspirations of 39 hormone receptor (HR)-positive, HER2-negative BC patients were assessed for the presence of DTCs using the following combination of antibodies: pan-cytokeratin (A45-B/B3)/CXCR4/JUNB. An expression pattern of the examined proteins was created using confocal laser scanning microscopy, Image J software and BC cell lines. Results: CXCR4 was overexpressed in cancer cells and DTCs, with the following hierarchy of expression: SKBR3 > MCF7 > DTCs > MDA-MB231. Accordingly, the expression pattern of JUNB was: DTCs > MDA-MB231 > SKBR3 > MCF7. The mean intensity of CXCR4 (6411 ± 334) and JUNB (27725.64 ± 470) in DTCs was statistically higher compared with BM hematopoietic cells (2009 ± 456, p = 0.001; and 11112.89 ± 545, p = 0.001, respectively). The (CXCR4+JUNB+CK+) phenotype was the most frequently detected [90% (35/39)], followed by the (CXCR4–JUNB+CK+) phenotype [36% (14/39)]. However, (CXCR4+JUNB–CK+) tumor cells were found in only 5% (3/39) of patients. Those patients harboring DTCs with the (CXCR4+JUNB+CK+) phenotype revealed lower overall survival (Cox regression: p = 0.023). Conclusions: (CXCR4+JUNB+CK+)-expressing DTCs, detected frequently in the BM of BC patients, seem to identify a subgroup of patients at higher risk for relapse that may be considered for close follow up.
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Affiliation(s)
| | - Oliver Hoffmann
- Department of Gynecology and Obstetrics, University Hospital Essen, Essen, Germany
| | - Ann-Kathrin Bittner
- Department of Gynecology and Obstetrics, University Hospital Essen, Essen, Germany
| | - Lina Papadimitriou
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, (IESL-FORTH), Heraklion, Greece
| | | | - Nefeli Zacharopoulou
- Department of Biochemistry, Medical School, University of Crete, Heraklion, Greece
| | - Michalis Zervakis
- Digital Image and Signal Processing Laboratory, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece
| | - Stelios Sfakianakis
- Institute of Computer Science, Foundation for Research and Technology-Hellas, (IESL-FORTH), Heraklion, Greece
| | - Christos Stournaras
- Department of Biochemistry, Medical School, University of Crete, Heraklion, Greece
| | | | - Rainer Kimmig
- Department of Gynecology and Obstetrics, University Hospital Essen, Essen, Germany
| | - Sabine Kasimir-Bauer
- Department of Gynecology and Obstetrics, University Hospital Essen, Essen, Germany
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16
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Kallergi G, Tsintari V, Sfakianakis S, Bei E, Lagoudaki E, Koutsopoulos A, Zacharopoulou N, Alkahtani S, Alarifi S, Stournaras C, Zervakis M, Georgoulias V. The prognostic value of JUNB-positive CTCs in metastatic breast cancer: from bioinformatics to phenotypic characterization. Breast Cancer Res 2019; 21:86. [PMID: 31370904 PMCID: PMC6676640 DOI: 10.1186/s13058-019-1166-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 07/01/2019] [Indexed: 12/19/2022] Open
Abstract
Background Circulating tumor cells (CTCs) are important for metastatic dissemination of cancer. They can provide useful information, regarding biological features and tumor heterogeneity; however, their detection and characterization are difficult due to their limited number in the bloodstream and their mesenchymal characteristics. Therefore, new biomarkers are needed to address these questions. Methods Bioinformatics functional enrichment analysis revealed a subgroup of 24 genes, potentially overexpressed in CTCs. Among these genes, the chemokine receptor CXCR4 plays a central role. After prioritization according to the CXCR4 corresponding pathways, five molecules (JUNB, YWHAB, TYROBP, NFYA, and PRDX1) were selected for further analysis in biological samples. The SKBR3, MDA-MB231, and MCF7 cell lines, as well as PBMCs from normal (n = 10) blood donors, were used as controls to define the expression pattern of all the examined molecules. Consequently, 100 previously untreated metastatic breast cancer (mBC) patients (n = 100) were analyzed using the following combinations of antibodies: CK (cytokeratin)/CXCR4/JUNB, CK/NFYA/ΥWHΑΒ (14-3-3), and CK/TYROBP/PRDX1. A threshold value for every molecule was considered the mean expression in normal PBMCs. Results Quantification of CXCR4 revealed overexpression of the receptor in SKBR3 and in CTCs, following the subsequent scale (SKBR3>CTCs>Hela>MCF7>MDA-MB231). JUNB was also overexpressed in CTCs (SKBR3>CTCs>MCF7>MDA-MB231>Hela). According to the defined threshold for each molecule, CXCR4-positive CTCs were identified in 90% of the patients with detectable tumor cells in their blood. In addition, 65%, 75%, 14.3%, and 12.5% of the patients harbored JUNB-, TYROBP-, NFYA-, and PRDX-positive CTCs, respectively. Conversely, none of the patients revealed YWHAB-positive CTCs. Interestingly, JUNB expression in CTCs was phenotypically and statistically enhanced compared to patients’ blood cells (p = 0.002) providing a possible new biomarker for CTCs. Furthermore, the detection of JUNB-positive CTCs in patients was associated with poorer PFS (p = 0.015) and OS (p = 0.002). Moreover, JUNB staining of 11 primary and 4 metastatic tumors from the same cohort of patients revealed a dramatic increase of JUNB expression in metastasis. Conclusions CXCR4, JUNB, and TYROBP were overexpressed in CTCs, but only the expression of JUNB was associated with poor prognosis, providing a new biomarker and a potential therapeutic target for the elimination of CTCs. Electronic supplementary material The online version of this article (10.1186/s13058-019-1166-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Galatea Kallergi
- Laboratory of Τumor Cell Βiology, Medical School, University of Crete, Heraklion, Greece. .,Department of Biochemistry, Medical School, University of Crete, Voutes, 70013, Heraklion, Crete, Greece. .,Hellenic Oncology Research Group (HORG), Athens, Greece.
| | - Vasileia Tsintari
- Department of Oncology, Hematology, Rheumatology, Immunology and Pulmology, University Hospital, Tübingen, Germany
| | - Stelios Sfakianakis
- Computational BioMedicine Laboratory, Institute of Computer Science, Foundation for Research and Technology, Heraklion, Greece
| | - Ekaterini Bei
- Digital Image and Signal Processing Laboratory, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece
| | - Eleni Lagoudaki
- Department of Pathology, University General Hospital of Heraklion, Heraklion, Crete, Greece
| | | | - Nefeli Zacharopoulou
- Department of Biochemistry, Medical School, University of Crete, Voutes, 70013, Heraklion, Crete, Greece
| | - Saad Alkahtani
- Department of Biochemistry, Medical School, University of Crete, Voutes, 70013, Heraklion, Crete, Greece.,Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Saud Alarifi
- Department of Biochemistry, Medical School, University of Crete, Voutes, 70013, Heraklion, Crete, Greece.,Department of Zoology, Science College, King Saud University, Riyadh, Saudi Arabia
| | - Christos Stournaras
- Department of Biochemistry, Medical School, University of Crete, Voutes, 70013, Heraklion, Crete, Greece
| | - Michalis Zervakis
- Digital Image and Signal Processing Laboratory, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece
| | - Vassilis Georgoulias
- Laboratory of Τumor Cell Βiology, Medical School, University of Crete, Heraklion, Greece.,Hellenic Oncology Research Group (HORG), Athens, Greece
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17
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Wang R, Li L, Duan A, Li Y, Liu X, Miao Q, Gong J, Zhen Y. Crizotinib enhances anti-CD30-LDM induced antitumor efficacy in NPM-ALK positive anaplastic large cell lymphoma. Cancer Lett 2019; 448:84-93. [PMID: 30742941 DOI: 10.1016/j.canlet.2019.02.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/28/2019] [Accepted: 02/01/2019] [Indexed: 12/21/2022]
Abstract
Combining antibody-drug conjugates (ADCs) with targeted small-molecule inhibitors can enhance antitumor effects beyond those attainable with monotherapy. In this study, we investigated the therapeutic combination of a CD30-targeting ADC (anti-CD30-lidamycin [LDM]) with a small-molecule inhibitor (crizotinib) of nucleophosmin-anaplastic lymphoma kinase NPM-ALK in CD30+/ALK+ anaplastic large cell lymphoma (ALCL). In vitro, anti-CD30-LDM showed strong synergistic antiproliferative activity when combined with crizotinib. Furthermore, treatment with anti-CD30-LDM plus crizotinib resulted in a stronger induction of cell apoptosis than monotherapy with either treatment. Western blot analysis revealed that ERK1/2 phosphorylation was increased in response to anti-CD30-LDM-induced DNA damage. Interestingly, the addition of crizotinib inhibited the expression of phosphorylated ERK1/2 and further augmented anti-CD30-LDM-mediated apoptosis, providing a potential synergistic mechanism for DNA-damaging agents combined with NPM-ALK inhibitors. In Karpas299 and SU-DHL-1 xenograft models, anti-CD30-LDM plus crizotinib was more effective in inhibiting tumor growth than either treatment alone. This research demonstrated for the first time that the combination of anti-CD30-LDM and crizotinib exhibits a synergistic inhibitory effect in tumor cells. These results provide scientific support for future clinical evaluations of anti-CD30-LDM, or other DNA-damaging agents, combined with NPM-ALK inhibitors.
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Affiliation(s)
- Rong Wang
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; Department of Blood Transfusion, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Liang Li
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Aijun Duan
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Yi Li
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xiujun Liu
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Qingfang Miao
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
| | - Jianhua Gong
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
| | - Yongsu Zhen
- NHC Key Laboratory of Biotechnology of Antibiotics, Department of Oncology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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18
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The c-Jun and JunB transcription factors facilitate the transit of classical Hodgkin lymphoma tumour cells through G 1. Sci Rep 2018; 8:16019. [PMID: 30375407 PMCID: PMC6207696 DOI: 10.1038/s41598-018-34199-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 10/07/2018] [Indexed: 12/29/2022] Open
Abstract
Classical Hodgkin Lymphoma (cHL) is primarily a B cell lymphoid neoplasm and a member of the CD30–positive lymphomas. cHL and the other CD30–positive lymphomas are characterized by the elevated expression and/or constitutive activation of the activator protein-1 (AP-1) family transcription factors, c-Jun and JunB; however, the specific roles they play in the pathobiology of cHL are unclear. In this report we show that reducing either c-Jun or JunB expression with short-hairpin RNAs (shRNAs) reduced the growth of cHL cell lines in vitro and in vivo, primarily through impairing cell cycle transition through G1. We further investigated the effect of c-Jun and JunB knock-down on proliferation in another CD30–positive lymphoma, anaplastic lymphoma kinase-positive, anaplastic large cell lymphoma (ALK+ ALCL). We found that JunB knock-down in most ALK+ ALCL cell lines examined also resulted in reduced proliferation that was associated with a G0/G1 cell cycle defect. In contrast, c-Jun knock-down in multiple ALK+ ALCL cell lines had no effect on proliferation. In summary, this study directly establishes that both c-Jun and JunB play roles in promoting HRS cell proliferation. Furthermore, we demonstrate there are similarities and differences in c-Jun and JunB function between cHL and ALK+ ALCL.
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19
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Harwood FC, Klein Geltink RI, O’Hara BP, Cardone M, Janke L, Finkelstein D, Entin I, Paul L, Houghton PJ, Grosveld GC. ETV7 is an essential component of a rapamycin-insensitive mTOR complex in cancer. SCIENCE ADVANCES 2018; 4:eaar3938. [PMID: 30258985 PMCID: PMC6156121 DOI: 10.1126/sciadv.aar3938] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 08/03/2018] [Indexed: 05/14/2023]
Abstract
The mechanistic target of rapamycin (mTOR) serine/threonine kinase, a critical regulator of cell proliferation, is frequently deregulated in human cancer. Although rapamycin inhibits the two canonical mTOR complexes, mTORC1 and mTORC2, it often shows minimal benefit as an anticancer drug. This is caused by rapamycin resistance of many different tumors, and we show that a third mTOR complex, mTORC3, contributes to this resistance. The ETS (E26 transformation-specific) transcription factor ETV7 interacts with mTOR in the cytoplasm and assembles mTORC3, which is independent of ETV7's transcriptional activity. This complex exhibits bimodal mTORC1/2 activity but is devoid of crucial mTORC1/2 components. Many human cancers activate mTORC3 at considerable frequency, and tumor cell lines that lose mTORC3 expression become rapamycin-sensitive. We show mTORC3's tumorigenicity in a rhabdomyosarcoma mouse model in which transgenic ETV7 expression accelerates tumor onset and promotes tumor penetrance. Discovery of mTORC3 represents an mTOR paradigm shift and identifies a novel target for anticancer drug development.
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Affiliation(s)
- Franklin C. Harwood
- Department of Genetics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | | | - Brendan P. O’Hara
- Department of Genetics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Monica Cardone
- Department of Genetics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Laura Janke
- Department of Veterinary Pathology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - David Finkelstein
- Department of Computational Biology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Igor Entin
- Department of Genetics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Leena Paul
- Department of Genetics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Peter J. Houghton
- Greehey Children’s Cancer Research Institute, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Gerard C. Grosveld
- Department of Genetics, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
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20
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Zhu G, Liu X, Fang Y, Zhai B, Xu R, Han G, Chen G, Xiao H, Hou C, Shen B, Li Y, Iwakura Y, Wang L, Jiang Z, Ma N, Liu G, Wang R. Increased mTOR cancels out the effect of reduced Xbp-1 on antibody secretion in IL-1α-deficient B cells. Cell Immunol 2018; 328:9-17. [DOI: 10.1016/j.cellimm.2018.02.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 02/05/2018] [Accepted: 02/22/2018] [Indexed: 12/27/2022]
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21
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Kunchala P, Kuravi S, Jensen R, McGuirk J, Balusu R. When the good go bad: Mutant NPM1 in acute myeloid leukemia. Blood Rev 2018; 32:167-183. [DOI: 10.1016/j.blre.2017.11.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 10/19/2017] [Accepted: 11/02/2017] [Indexed: 12/26/2022]
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22
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The Role of Activator Protein-1 (AP-1) Family Members in CD30-Positive Lymphomas. Cancers (Basel) 2018; 10:cancers10040093. [PMID: 29597249 PMCID: PMC5923348 DOI: 10.3390/cancers10040093] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 03/21/2018] [Accepted: 03/25/2018] [Indexed: 12/14/2022] Open
Abstract
The Activator Protein-1 (AP-1) transcription factor (TF) family, composed of a variety of members including c-JUN, c-FOS and ATF, is involved in mediating many biological processes such as proliferation, differentiation and cell death. Since their discovery, the role of AP-1 TFs in cancer development has been extensively analysed. Multiple in vitro and in vivo studies have highlighted the complexity of these TFs, mainly due to their cell-type specific homo- or hetero-dimerization resulting in diverse transcriptional response profiles. However, as a result of the increasing knowledge of the role of AP-1 TFs in disease, these TFs are being recognized as promising therapeutic targets for various malignancies. In this review, we focus on the impact of deregulated expression of AP-1 TFs in CD30-positive lymphomas including Classical Hodgkin Lymphoma and Anaplastic Large Cell Lymphoma.
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23
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De Pas T, Pala L, Catania C, Conforti F. Molecular and clinical features of second-generation anaplastic lymphoma kinase inhibitors: ceritinib. Future Oncol 2017; 13:2629-2644. [DOI: 10.2217/fon-2017-0262] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The discovery of ALK rearrangement in non-small-cell lung cancer (NSCLC) triggered rapid clinical development of a family of specific drugs targeting this alteration, called ALK inhibitors. Despite high rate of responses, the vast majority of patients treated with first-generation ALK inhibitor crizotinib will ultimately develop disease progression. The second-generation ALK inhibitor, ceritinib, is an oral, small-molecule that inhibits the ALK kinase activity with a potency 20-fold greater than crizotinib, being able to tackle some of the principal mechanisms of resistance to crizotinib. Evidences from five large prospective clinical trials have so far showed impressive activity of ceritinib in ALK inhibitor pretreated and naive NSCLC patients. This review will focus on the preclinical and clinical data available regarding ceritinib pharmacology, clinical efficacy and safety profile.
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Affiliation(s)
- Tommaso De Pas
- Medical Oncology of Melanoma & Sarcoma Unit, European Institute of Oncology, Via Ripamonti, 435, 20141 Milan, Italy
| | - Laura Pala
- Medical Oncology of Melanoma & Sarcoma Unit, European Institute of Oncology, Via Ripamonti, 435, 20141 Milan, Italy
| | - Chiara Catania
- Medical Oncology Unit of Respiratory Tract, European Institute of Oncology, Via Ripamonti, 435, 20141 Milan, Italy
| | - Fabio Conforti
- Medical Oncology of Melanoma & Sarcoma Unit, European Institute of Oncology, Via Ripamonti, 435, 20141 Milan, Italy
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24
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Hassler MR, Pulverer W, Lakshminarasimhan R, Redl E, Hacker J, Garland GD, Merkel O, Schiefer AI, Simonitsch-Klupp I, Kenner L, Weisenberger DJ, Weinhaeusel A, Turner SD, Egger G. Insights into the Pathogenesis of Anaplastic Large-Cell Lymphoma through Genome-wide DNA Methylation Profiling. Cell Rep 2017; 17:596-608. [PMID: 27705804 PMCID: PMC6066089 DOI: 10.1016/j.celrep.2016.09.018] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 07/29/2016] [Accepted: 09/04/2016] [Indexed: 01/06/2023] Open
Abstract
Aberrant DNA methylation patterns in malignant cells allow insight into tumor evolution and development and can be used for disease classification. Here, we describe the genome-wide DNA methylation signatures of NPM-ALK-positive (ALK+) and NPM-ALK-negative (ALK−) anaplastic large-cell lymphoma (ALCL). We find that ALK+ and ALK− ALCL share common DNA methylation changes for genes involved in T cell differentiation and immune response, including TCR and CTLA-4, without an ALK-specific impact on tumor DNA methylation in gene promoters. Furthermore, we uncover a close relationship between global ALCL DNA methylation patterns and those in distinct thymic developmental stages and observe tumor-specific DNA hypomethylation in regulatory regions that are enriched for conserved transcription factor binding motifs such as AP1. Our results indicate similarity between ALCL tumor cells and thymic T cell subsets and a direct relationship between ALCL oncogenic signaling and DNA methylation through transcription factor induction and occupancy.
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Affiliation(s)
- Melanie R Hassler
- Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria
| | - Walter Pulverer
- Health & Environment Department, Molecular Diagnostics, Austrian Institute of Technology (AIT), 1190 Vienna, Austria
| | - Ranjani Lakshminarasimhan
- Department of Urology, Norris Comprehensive Cancer Center, University of Southern California-Los Angeles, Los Angeles, CA 90089, USA
| | - Elisa Redl
- Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria
| | - Julia Hacker
- Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria
| | - Gavin D Garland
- Division of Molecular Histopathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Olaf Merkel
- Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria; European Research Initiative on ALK-Related Malignancies (ERIA), Cambridge CB2 0QQ, UK
| | - Ana-Iris Schiefer
- Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria
| | | | - Lukas Kenner
- Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria; Ludwig Boltzmann Institute for Cancer Research, 1090 Vienna, Austria; Unit of Pathology of Laboratory Animals (UPLA), University of Veterinary Medicine Vienna, 1210 Vienna, Austria; European Research Initiative on ALK-Related Malignancies (ERIA), Cambridge CB2 0QQ, UK
| | - Daniel J Weisenberger
- Department of Biochemistry and Molecular Biology, Norris Comprehensive Cancer Center, University of Southern California-Los Angeles, Los Angeles, CA 90089, USA
| | - Andreas Weinhaeusel
- Health & Environment Department, Molecular Diagnostics, Austrian Institute of Technology (AIT), 1190 Vienna, Austria
| | - Suzanne D Turner
- Division of Molecular Histopathology, Department of Pathology, University of Cambridge, Cambridge CB2 0QQ, UK; European Research Initiative on ALK-Related Malignancies (ERIA), Cambridge CB2 0QQ, UK
| | - Gerda Egger
- Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria; European Research Initiative on ALK-Related Malignancies (ERIA), Cambridge CB2 0QQ, UK.
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25
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Abstract
A vast array of oncogenic variants has been identified for anaplastic lymphoma kinase (ALK). Therefore, there is a need to better understand the role of ALK in cancer biology in order to optimise treatment strategies. This review summarises the latest research on the receptor tyrosine kinase ALK, and how this information can guide the management of patients with cancer that is ALK-positive. A variety of ALK gene alterations have been described across a range of tumour types, including point mutations, deletions and rearrangements. A wide variety of ALK fusions, in which the kinase domain of ALK and the amino-terminal portion of various protein partners are fused, occur in cancer, with echinoderm microtubule-associated protein-like 4 (EML4)-ALK being the most prevalent in non-small-cell lung cancer (NSCLC). Different ALK fusion proteins can mediate different signalling outputs, depending on properties such as subcellular localisation and protein stability. The ALK fusions found in tumours lack spatial and temporal regulation, which can also affect dimerisation and substrate specificity. Two ALK tyrosine kinase inhibitors (TKIs), crizotinib and ceritinib, are currently approved in Europe for use in ALK-positive NSCLC and several others are in development. These ALK TKIs bind slightly differently within the ATP-binding pocket of the ALK kinase domain and are associated with the emergence of different resistance mutation patterns during therapy. This emphasises the need to tailor the sequence of ALK TKIs according to the ALK signature of each patient. Research into the oncogenic functions of ALK, and fast paced development of ALK inhibitors, has substantially improved outcomes for patients with ALK-positive NSCLC. Limited data are available surrounding the physiological ligand-stimulated activation of ALK signalling and further research is needed. Understanding the role of ALK in tumour biology is key to further optimising therapeutic strategies for ALK-positive disease.
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Affiliation(s)
- B Hallberg
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - R H Palmer
- Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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26
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Hu L, Zhang X, Wang J, Wang S, Amin HM, Shi P. Involvement of oncogenic tyrosine kinase NPM-ALK in trifluoperazine-induced cell cycle arrest and apoptosis in ALK+ anaplastic large cell lymphoma. Hematology 2017; 23:284-290. [DOI: 10.1080/10245332.2017.1396045] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Affiliation(s)
- Linlin Hu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, People’s Republic of China
- Key Laboratory of Organofluorine Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Shanghai, People’s Republic of China
| | - Xiaonan Zhang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, People’s Republic of China
| | - Jian Wang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, People’s Republic of China
| | - Song Wang
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, People’s Republic of China
| | - Hesham M. Amin
- Department of Hematopathology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA
| | - Ping Shi
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, People’s Republic of China
- Key Laboratory of Organofluorine Chemistry, Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Shanghai, People’s Republic of China
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27
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An Exploration into the Origins and Pathogenesis of Anaplastic Large Cell Lymphoma, Anaplastic Lymphoma Kinase (ALK)-Positive. Cancers (Basel) 2017. [PMCID: PMC5664080 DOI: 10.3390/cancers9100141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
T-cell non-Hodgkin lymphoma is a heterogeneous disease ranging from malignancies arising from thymic T cells halted in development, through to mature, circulating peripheral T cells. The latter cases are diagnostically problematic with many entering the category of peripheral T-cell lymphoma, not otherwise specified (PTCL, NOS). Anaplastic large cell lymphoma (ALCL) is one of the exceptions to this whereby aberrant expression of anaplastic lymphoma kinase (ALK) and the distinctive presence of cell surface CD30 places this entity in its own class. Besides the expression of a well-studied oncogenic translocation, ALCL, ALK+ may also have a unique pathogenesis with a thymic origin like T lymphoblastic lymphoma but a peripheral presentation akin to PTCL. This perspective discusses evidence towards the potential origin of ALCL, ALK+, and mechanisms that may give rise to its unique phenotype.
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28
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Composite Lymphomas and the Relationship of Hodgkin Lymphoma to Non-Hodgkin Lymphomas. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/978-3-319-68094-1_7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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29
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Zou H, Zhu XX, Zhang GB, Ma Y, Wu Y, Huang DS. Silibinin: an old drug for hematological disorders. Oncotarget 2017; 8:89307-89314. [PMID: 29179521 PMCID: PMC5687691 DOI: 10.18632/oncotarget.19153] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 06/27/2017] [Indexed: 12/16/2022] Open
Abstract
Introduction Silibinin (silybin), a non-toxic natural polyphenolic flavonoid, is the principal and the most biologically active component of silymarin. It is efficient in the treatment of acute and chronic liver disorders caused by toxins, drug, alcohol, hepatitis, and gall bladder disorders. Further, in our previous studies, we explored the anti-cancer efficacy in common cancers, such as lung, prostatic, colon, breast, bladder, as well as, hepatocellular carcinoma. Interestingly, silibinin is still not solely limited to the treatment of these diseases. Recent research endeavors suggest that silibinin may function diversely and serve as a novel therapy for hematological disorders. Areas covered It discovered several interesting viewpoints in the widely studied mechanisms of silibinin in the hematological disorders. Expert commentary In this report, we review the up-to-date findings of more potency roles of silibinin in β-thalassemia (β-TM), acute myeloid leukemia (AML), anaplastic large cell lymphoma (ALCL) and multiple myelomas (MM) therapy and attempt to clarify the mechanisms underlying its effects. There are two viewpoints: First, The functional mechanisms of silibinin in AML cells via regulating cell differentiation to exert anti-cancer effect; Second, combination treatment strategy may be a good choice.
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Affiliation(s)
- Hai Zou
- Department of Cardiology, Zhejiang Provincial People's Hospital, Hangzhou 310000, China.,People's Hospital of Hangzhou Medical College, Hangzhou 310000, China
| | - Xing-Xing Zhu
- Department of Nephrology, Zhejiang Provincial People's Hospital, Hangzhou 310000, China.,People's Hospital of Hangzhou Medical College, Hangzhou 310000, China
| | - Guo-Bing Zhang
- Department of Pharmacy, Zhejiang Provincial People's Hospital, Hangzhou 310000, China.,People's Hospital of Hangzhou Medical College, Hangzhou 310000, China
| | - Yuan Ma
- Department of Cardiology, Zhejiang Provincial People's Hospital, Hangzhou 310000, China.,People's Hospital of Hangzhou Medical College, Hangzhou 310000, China
| | - Yi Wu
- Department of Hematology, Zhejiang Provincial People's Hospital, Hangzhou 310000, China.,People's Hospital of Hangzhou Medical College, Hangzhou 310000, China
| | - Dong-Sheng Huang
- Department of Hepatobiliary Surgery, Zhejiang Provincial People's Hospital, Hangzhou 310000, China.,People's Hospital of Hangzhou Medical College, Hangzhou 310000, China
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30
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Egger G, Turner SD. New avenues for targeted therapies and biomarkers in anaplastic large cell lymphoma. Epigenomics 2017; 9:97-100. [PMID: 28097892 DOI: 10.2217/epi-2016-0159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Gerda Egger
- Clinical Institute of Pathology, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria.,Ludwig Boltzmann Institute Applied Diagnostics, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Suzanne D Turner
- Division of Molecular Histopathology, Department of Pathology, University of Cambridge, Lab Block Level 3, Addenbrooke's Hospital, Cambridge CB20QQ, UK
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31
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Tsuyama N, Sakamoto K, Sakata S, Dobashi A, Takeuchi K. Anaplastic large cell lymphoma: pathology, genetics, and clinical aspects. J Clin Exp Hematop 2017; 57:120-142. [PMID: 29279550 PMCID: PMC6144189 DOI: 10.3960/jslrt.17023] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Revised: 11/19/2017] [Accepted: 11/21/2017] [Indexed: 12/20/2022] Open
Abstract
Anaplastic large cell lymphoma (ALCL) was first described in 1985 as a large-cell neoplasm with anaplastic morphology immunostained by the Ki-1 antibody, which recognizes CD30. In 1994, the nucleophosmin (NPM)-anaplastic lymphoma kinase (ALK) fusion receptor tyrosine kinase was identified in a subset of patients, leading to subdivision of this disease into ALK-positive and -negative ALCL in the present World Health Organization classification. Due to variations in morphology and immunophenotype, which may sometimes be atypical for lymphoma, many differential diagnoses should be considered, including solid cancers, lymphomas, and reactive processes. CD30 and ALK are key molecules involved in the pathogenesis, diagnosis, and treatment of ALCL. In addition, signal transducer and activator of transcription 3 (STAT3)-mediated mechanisms are relevant in both types of ALCL, and fusion/mutated receptor tyrosine kinases other than ALK have been reported in ALK-negative ALCL. ALK-positive ALCL has a better prognosis than ALK-negative ALCL or other peripheral T-cell lymphomas. Patients with ALK-positive ALCL are usually treated with anthracycline-based regimens, such as combination cyclophosphamide, doxorubicin, vincristine, and prednisolone (CHOP) or CHOEP (CHOP plus etoposide), which provide a favorable prognosis, except in patients with multiple International Prognostic Index factors. For targeted therapies, an anti-CD30 monoclonal antibody linked to a synthetic antimitotic agent (brentuximab vedotin) and ALK inhibitors (crizotinib, alectinib, and ceritinib) are being used in clinical settings.
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32
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The AP-1 transcription factor JunB is essential for multiple myeloma cell proliferation and drug resistance in the bone marrow microenvironment. Leukemia 2016; 31:1570-1581. [PMID: 27890927 DOI: 10.1038/leu.2016.358] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 11/08/2016] [Accepted: 11/11/2016] [Indexed: 12/13/2022]
Abstract
Despite therapeutic advances, multiple myeloma (MM) remains an incurable disease, predominantly because of the development of drug resistance. The activator protein-1 (AP-1) transcription factor family has been implicated in a multitude of physiologic processes and tumorigenesis; however, its role in MM is largely unknown. Here we demonstrate specific and rapid induction of the AP-1 family member JunB in MM cells when co-cultured with bone marrow stromal cells. Supporting a functional key role of JunB in MM pathogenesis, knockdown of JUNB significantly inhibited in vitro MM cell proliferation and survival. Consistently, induced silencing of JUNB markedly decreased tumor growth in a murine MM model of the microenvironment. Subsequent gene expression profiling revealed a role for genes associated with apoptosis, DNA replication and metabolism in driving the JunB-mediated phenotype in MM cells. Importantly, knockdown of JUNB restored the response to dexamethasone in dexamethasone-resistant MM cells. Moreover, 4-hydroxytamoxifen-induced activation of a JunB-ER fusion protein protected dexamethasone-sensitive MM cells against dexamethasone- and bortezomib-induced cytotoxicity. In summary, our results demonstrate for the first time a specific role for AP-1/JunB in MM cell proliferation, survival and drug resistance, thereby strongly supporting that this transcription factor is a promising new therapeutic target in MM.
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33
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Zhao Z, Verma V, Zhang M. Anaplastic lymphoma kinase: Role in cancer and therapy perspective. Cancer Biol Ther 2016; 16:1691-701. [PMID: 26529396 DOI: 10.1080/15384047.2015.1095407] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Anaplastic lymphoma kinase (ALK) is correlated with oncogenesis in different types of cancers, such as anaplastic large cell lymphoma, lung cancer, neuroblastoma, and even breast cancer, by abnormal fusion of ALK or non-fusion ALK activation. ALK is a receptor tyrosine kinase, with a single transmembrane domain, that plays an important role in development. Upon ligand binding to the extracellular domain, the receptor undergoes dimerization and subsequent autophosphorylation of the intracellular kinase domain. In recent years, ALK inhibitors have been developed for cancer treatment. These inhibitors target ALK activity and show effectiveness in ALK-positive non-small cell lung cancer. However, acquired treatment resistance makes the future of this therapy unclear; new strategies are underway to overcome the limitations of current ALK inhibitors.
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Affiliation(s)
- Zhihong Zhao
- a Munroe-Meyer Institute; University of Nebraska Medical Center ; Omaha , NE , USA
| | - Vivek Verma
- b Department of Radiation Oncology ; University of Nebraska Medical Center ; Omaha , NE , USA
| | - Mutian Zhang
- b Department of Radiation Oncology ; University of Nebraska Medical Center ; Omaha , NE , USA
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Papoudou-Bai A, Hatzimichael E, Barbouti A, Kanavaros P. Expression patterns of the activator protein-1 (AP-1) family members in lymphoid neoplasms. Clin Exp Med 2016; 17:291-304. [PMID: 27600282 DOI: 10.1007/s10238-016-0436-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Accepted: 08/23/2016] [Indexed: 12/22/2022]
Abstract
The activator protein-1 (AP-1) is a dimeric transcription factor composed of proteins belonging to the Jun (c-Jun, JunB and JunD), Fos (c-Fos, FosB, Fra1 and Fra2) and activating transcription factor protein families. AP-1 is involved in various cellular events including differentiation, proliferation, survival and apoptosis. Deregulated expression of AP-1 transcription factors is implicated in the pathogenesis of various lymphomas such as classical Hodgkin lymphomas, anaplastic large cell lymphomas, diffuse large B cell lymphomas and adult T cell leukemia/lymphoma. The main purpose of this review is the analysis of the expression patterns of AP-1 transcription factors in order to gain insight into the histophysiology of lymphoid tissues and the pathology of lymphoid malignancies.
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Affiliation(s)
| | | | - Alexandra Barbouti
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, University of Ioannina, Ioannina, Greece
| | - Panagiotis Kanavaros
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, University of Ioannina, Ioannina, Greece.
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Molavi O, Samadi N, Wu C, Lavasanifar A, Lai R. Silibinin suppresses NPM-ALK, potently induces apoptosis and enhances chemosensitivity in ALK-positive anaplastic large cell lymphoma. Leuk Lymphoma 2015; 57:1154-62. [PMID: 26133723 DOI: 10.3109/10428194.2015.1068306] [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] [Indexed: 12/11/2022]
Abstract
Nucleophosmin-anaplastic lymphoma kinase (NPM-ALK), an oncogenic fusion protein carrying constitutively active tyrosine kinase, is known to be central to the pathogenesis of ALK-positive anaplastic large cell lymphoma (ALK+ALCL). Here, it is reported that silibinin, a non-toxic naturally-occurring compound, potently suppressed NPM-ALK and effectively inhibited the growth and soft agar colony formation of ALK+ALCL cells. By western blots, it was found that silibinin efficiently suppressed the phosphorylation/activation of NPM-ALK and its key substrates/downstream mediators (including STAT3, MEK/ERK and Akt) in a time- and dose-dependent manner. Correlating with these observations, silibinin suppressed the expression of Bcl-2, survivin and JunB, all of which are found to be upregulated by NPM-ALK and pathogenetically important in ALK+ALCL. Lastly, silibinin augmented the chemosensitivity of ALK+ALCL cells to doxorubicin, particularly the small cell sub-set expressing the transcriptional activity of Sox2, an embryonic stem cell marker. To conclude, the findings suggest that silibinin might be useful in treating ALK+ALCL.
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Affiliation(s)
- Ommoleila Molavi
- a Faculty of Pharmacy, Tabriz University of Medical Sciences , Tabriz , Iran.,b Department of Laboratory Medicine and Pathology , Faculty of Medicine and Dentistry, University of Alberta , Edmonton , Alberta , Canada
| | - Nasser Samadi
- c Department of Biochemistry , Faculty of Medicine, Tabriz University of Medicine , Tabriz , Iran
| | - Chengsheng Wu
- b Department of Laboratory Medicine and Pathology , Faculty of Medicine and Dentistry, University of Alberta , Edmonton , Alberta , Canada
| | - Afsaneh Lavasanifar
- d Faculty of Pharmacy and Pharmaceutical Science, University of Alberta , Edmonton , Alberta , Canada
| | - Raymond Lai
- b Department of Laboratory Medicine and Pathology , Faculty of Medicine and Dentistry, University of Alberta , Edmonton , Alberta , Canada
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Atsaves V, Zhang R, Ruder D, Pan Y, Leventaki V, Rassidakis GZ, Claret FX. Constitutive control of AKT1 gene expression by JUNB/CJUN in ALK+ anaplastic large-cell lymphoma: a novel crosstalk mechanism. Leukemia 2015; 29:2162-72. [PMID: 25987255 PMCID: PMC4633353 DOI: 10.1038/leu.2015.127] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Revised: 05/05/2015] [Accepted: 05/07/2015] [Indexed: 01/10/2023]
Abstract
Anaplastic lymphoma kinase-positive (ALK+) anaplastic large-cell lymphoma (ALCL) is an aggressive T-cell non-Hodgkin lymphoma characterized by the t(2;5), resulting in the overexpression of nucleophosmin (NPM)-ALK, which is known to activate the phosphatidylinositol-3-kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) pathway, resulting in cell cycle and apoptosis deregulation. ALK+ ALCL is also characterized by strong activator protein-1 (AP-1) activity and overexpression of two AP-1 transcription factors, CJUN and JUNB. Here, we hypothesized that a biologic link between AP-1 and AKT kinase may exist, thus contributing to ALCL oncogenesis. We show that JUNB and CJUN bind directly to the AKT1 promoter, inducing AKT1 transcription in ALK+ ALCL. Knockdown of JUNB and CJUN in ALK+ ALCL cell lines downregulated AKT1 mRNA and promoter activity and was associated with lower AKT1 protein expression and activation. We provide evidence that this is a transcriptional control mechanism shared by other cell types even though it may operate in a way that is cell context-specific. In addition, STAT3 (signal transducer and activator of transcription 3)-induced control of AKT1 transcription was functional in ALK+ ALCL and blocking of STAT3 and AP-1 signaling synergistically affected cell proliferation and colony formation. Our findings uncover a novel transcriptional crosstalk mechanism that links AP-1 and AKT kinase, which coordinate uncontrolled cell proliferation and survival in ALK+ ALCL.
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Affiliation(s)
- V Atsaves
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,GP Livanos and M Simou Laboratories, First Department of Critical Care Medicine and Pulmonary Services, Medical School of Athens University, 'Evangelismos' Hospital, Athens, Greece
| | - R Zhang
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - D Ruder
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Y Pan
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Wuxi Medical School and Affiliated Hospital, Jiangnan University, Wuxi, China
| | - V Leventaki
- Department of Pathology, Saint Jude Children's Hospital, Memphis, TN, USA
| | - G Z Rassidakis
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Pathology and Cytology, Karolinska University Hospital and Karolinska Institute, Stockholm, Sweden
| | - F X Claret
- Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Experimental Therapeutics Academic Program and Cancer Biology Program, The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX, USA
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Papoudou-Bai A, Goussia A, Batistatou A, Stefanou D, Malamou-Mitsi V, Kanavaros P. The expression levels of JunB, JunD and p-c-Jun are positively correlated with tumor cell proliferation in diffuse large B-cell lymphomas. Leuk Lymphoma 2015; 57:143-50. [PMID: 25813203 DOI: 10.3109/10428194.2015.1034704] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We analyzed the expression of Jun family in relation to CD30 expression, cell proliferation and B-cell differentiation immunophenotypes [Germinal Center and non-Germinal Center] in diffuse large B-cell lymphomas (DLBCL). Expression and high expression of phosphorylated-c-Jun (p-c-Jun), JunB, JunD and CD30 (cut-off scores 20% and 50%, respectively) was found in 18/103, 49/103, 72/101 and 26/102 cases, respectively, and in 6/103, 27/103, 60/101 and 21/102 cases, respectively. The following significant positive correlations were observed: (a) JunB with cyclin A (p = 0.046), cyclin B1 (p = 0.033), cyclin E (p = 0.003), MUM-1 (p = 0.002) and CD30 (p < 0.001), (b) JunD with Ki67 (p = 0.002) and cyclin E (p = 0.014), (c) p-c-Jun with CD30 (p = 0.015), and (d) high p-c-Jun with cyclin A (p = 0.034). The positive correlation between expression of JunB, JunD and p-c-Jun and tumor cell proliferation in DLBCL, suggests that increased JunB, JunD and p-c-Jun expression may be involved in the pathogenesis of DLBCL by increasing tumor cell proliferation.
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Affiliation(s)
| | - Anna Goussia
- a Department of Pathology , Medical Faculty , University of Ioannina, Ioannina , Greece
| | - Anna Batistatou
- a Department of Pathology , Medical Faculty , University of Ioannina, Ioannina , Greece
| | - Dimitrios Stefanou
- a Department of Pathology , Medical Faculty , University of Ioannina, Ioannina , Greece
| | | | - Panagiotis Kanavaros
- b Department of Anatomy-Histology-Embryology , Medical Faculty , University of Ioannina, Ioannina , Greece
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Novel ALK inhibitors in clinical use and development. J Hematol Oncol 2015; 8:17. [PMID: 25888090 PMCID: PMC4349797 DOI: 10.1186/s13045-015-0122-8] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 02/13/2015] [Indexed: 12/15/2022] Open
Abstract
Anaplastic lymphoma kinase 1 (ALK-1) is a member of the insulin receptor tyrosine kinase family. ALK-1 was initially found in anaplastic large cell lymphoma (ALCL). ALK mutations have also been implicated in the pathogenesis of non-small cell lung cancer (NSCLC) and other solid tumors. Multiple small molecule inhibitors with activity against ALK and related oncoproteins are under clinical development. Two of them, crizotinib and ceritinib, have been approved by FDA for treatment of locally advanced and metastatic NSCLC. More agents (alectinib, ASP3026, X396) with improved safety, selectivity, and potency are in the pipeline. Dual inhibitors targeting ALK and EGFRm (AP26113), TRK (TSR011), FAK (CEP-37440), or ROS1 (RXDX-101, PF-06463922) are under active clinical development.
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Vishwamitra D, Curry CV, Alkan S, Song YH, Gallick GE, Kaseb AO, Shi P, Amin HM. The transcription factors Ik-1 and MZF1 downregulate IGF-IR expression in NPM-ALK⁺ T-cell lymphoma. Mol Cancer 2015; 14:53. [PMID: 25884514 PMCID: PMC4415347 DOI: 10.1186/s12943-015-0324-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Accepted: 02/17/2015] [Indexed: 01/18/2023] Open
Abstract
Background The type I insulin-like growth factor receptor (IGF-IR) tyrosine kinase promotes the survival of an aggressive subtype of T-cell lymphoma by interacting with nucleophosmin-anaplastic lymphoma kinase (NPM-ALK) oncogenic protein. NPM-ALK+ T-cell lymphoma exhibits much higher levels of IGF-IR than normal human T lymphocytes. The mechanisms underlying increased expression of IGF-IR in this lymphoma are not known. We hypothesized that upregulation of IGF-IR could be attributed to previously unrecognized defects that inherently exist in the transcriptional machinery in NPM-ALK+ T-cell lymphoma. Methods and results Screening studies showed substantially lower levels of the transcription factors Ikaros isoform 1 (Ik-1) and myeloid zinc finger 1 (MZF1) in NPM-ALK+ T-cell lymphoma cell lines and primary tumor tissues from patients than in human T lymphocytes. A luciferase assay supported that Ik-1 and MZF1 suppress IGF-IR gene promoter. Furthermore, ChIP assay showed that these transcription factors bind specific sites located within the IGF-IR gene promoter. Forced expression of Ik-1 or MZF1 in the lymphoma cells decreased IGF-IR mRNA and protein. This decrease was associated with downregulation of pIGF-IR, and the phosphorylation of its interacting proteins IRS-1, AKT, and NPM-ALK. In addition, overexpression of Ik-1 and MZF1 decreased the viability, proliferation, migration, and anchorage-independent colony formation of the lymphoma cells. Conclusions Our results provide novel evidence that the aberrant decreases in Ik-1 and MZF1 contribute significantly to the pathogenesis of NPM-ALK+ T-cell lymphoma through the upregulation of IGF-IR expression. These findings could be exploited to devise new strategies to eradicate this lymphoma. Electronic supplementary material The online version of this article (doi:10.1186/s12943-015-0324-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Deeksha Vishwamitra
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas, USA. .,The University of Texas Graduate School of Biomedical Sciences, Houston, TX, 77030, USA.
| | - Choladda V Curry
- Department of Pathology and Immunology, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas, USA.
| | - Serhan Alkan
- Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, California, USA.
| | - Yao-Hua Song
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, First Affiliated Hospital, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China.
| | - Gary E Gallick
- The University of Texas Graduate School of Biomedical Sciences, Houston, TX, 77030, USA. .,Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
| | - Ahmed O Kaseb
- Department of Gastrointestinal Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
| | - Ping Shi
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, China.
| | - Hesham M Amin
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, Texas, USA. .,The University of Texas Graduate School of Biomedical Sciences, Houston, TX, 77030, USA.
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Kiss I, Unger C, Huu CN, Atanasov AG, Kramer N, Chatruphonprasert W, Brenner S, McKinnon R, Peschel A, Vasas A, Lajter I, Kain R, Saiko P, Szekeres T, Kenner L, Hassler MR, Diaz R, Frisch R, Dirsch VM, Jäger W, de Martin R, Bochkov VN, Passreiter CM, Peter-Vörösmarty B, Mader RM, Grusch M, Dolznig H, Kopp B, Zupko I, Hohmann J, Krupitza G. Lobatin B inhibits NPM/ALK and NF-κB attenuating anaplastic-large-cell-lymphomagenesis and lymphendothelial tumour intravasation. Cancer Lett 2014; 356:994-1006. [PMID: 25444930 DOI: 10.1016/j.canlet.2014.11.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 11/08/2014] [Accepted: 11/11/2014] [Indexed: 10/24/2022]
Abstract
An apolar extract of the traditional medicinal plant Neurolaena lobata inhibited the expression of the NPM/ALK chimera, which is causal for the majority of anaplastic large cell lymphomas (ALCLs). Therefore, an active principle of the extract, the furanoheliangolide sesquiterpene lactone lobatin B, was isolated and tested regarding the inhibition of ALCL expansion and tumour cell intravasation through the lymphendothelium. ALCL cell lines, HL-60 cells and PBMCs were treated with plant compounds and the ALK inhibitor TAE-684 to measure mitochondrial activity, proliferation and cell cycle progression and to correlate the results with protein- and mRNA-expression of selected gene products. Several endpoints indicative for cell death were analysed after lobatin B treatment. Tumour cell intravasation through lymphendothelial monolayers was measured and potential causal mechanisms were investigated analysing NF-κB- and cytochrome P450 activity, and 12(S)-HETE production. Lobatin B inhibited the expression of NPM/ALK, JunB and PDGF-Rβ, and attenuated proliferation of ALCL cells by arresting them in late M phase. Mitochondrial activity remained largely unaffected upon lobatin B treatment. Nevertheless, caspase 3 became activated in ALCL cells. Also HL-60 cell proliferation was attenuated whereas PBMCs of healthy donors were not affected by lobatin B. Additionally, tumour cell intravasation, which partly depends on NF-κB, was significantly suppressed by lobatin B most likely due to its NF-κB-inhibitory property. Lobatin B, which was isolated from a plant used in ethnomedicine, targets malignant cells by at least two properties: I) inhibition of NPM/ALK, thereby providing high specificity in combating this most prevalent fusion protein occurring in ALCL; II) inhibition of NF-κB, thereby not affecting normal cells with low constitutive NF-κB activity. This property also inhibits tumour cell intravasation into the lymphatic system and may provide an option to manage this early step of metastatic progression.
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Affiliation(s)
- Izabella Kiss
- Institute of Medical Genetics, Medical University of Vienna, Waehringer Strasse 10, A-1090 Vienna, Austria; Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
| | - Christine Unger
- Institute of Medical Genetics, Medical University of Vienna, Waehringer Strasse 10, A-1090 Vienna, Austria
| | - Chi Nguyen Huu
- Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
| | | | - Nina Kramer
- Institute of Medical Genetics, Medical University of Vienna, Waehringer Strasse 10, A-1090 Vienna, Austria
| | - Waranya Chatruphonprasert
- Department of Clinical Pharmacy and Diagnostics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria; Department of Preclinic, Faculty of Medicine, Mahasarakham University, Mahasarakham 44000, Thailand
| | - Stefan Brenner
- Department of Clinical Pharmacy and Diagnostics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Ruxandra McKinnon
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Andrea Peschel
- Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
| | - Andrea Vasas
- Department of Pharmacognosy, University of Szeged, Eotvos Str. 6, H-6720 Szeged, Hungary
| | - Ildiko Lajter
- Department of Pharmacognosy, University of Szeged, Eotvos Str. 6, H-6720 Szeged, Hungary
| | - Renate Kain
- Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
| | - Philipp Saiko
- Department of Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, Waehringer Guertel 18-20, Austria
| | - Thomas Szekeres
- Department of Medical and Chemical Laboratory Diagnostics, Medical University of Vienna, Waehringer Guertel 18-20, Austria
| | - Lukas Kenner
- Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria; Ludwig Boltzmann Institute for Cancer Research, LBI-CR, Waehringerstrasse 13a, 1090 Vienna, Austria; Unit of Pathology of Laboratory Animals, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
| | - Melanie R Hassler
- Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
| | - Rene Diaz
- Institute for Ethnobiology, Playa Diana, San José, Petén, Guatemala
| | - Richard Frisch
- Institute for Ethnobiology, Playa Diana, San José, Petén, Guatemala
| | - Verena M Dirsch
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Walter Jäger
- Department of Clinical Pharmacy and Diagnostics, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Rainer de Martin
- Department of Vascular Biology and Thrombosis Research, Center of Biomolecular Medicine and Pharmacology, Medical University of Vienna, Schwarzspanierstraße 17, A-1090 Vienna, Austria
| | - Valery N Bochkov
- Institute of Pharmaceutical Sciences, University of Graz, Schubertstraße 1, A-8010 Graz, Austria
| | - Claus M Passreiter
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine-University Düsseldorf, Universitätsstrasse 1, D-40225 Düsseldorf, Germany
| | - Barbara Peter-Vörösmarty
- Department of Medicine I, Division: Institute of Cancer Research, Comprehensive Cancer Center, Medical University Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Robert M Mader
- Department of Medicine I, Comprehensive Cancer Center, Medical University Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
| | - Michael Grusch
- Department of Medicine I, Division: Institute of Cancer Research, Comprehensive Cancer Center, Medical University Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Helmut Dolznig
- Institute of Medical Genetics, Medical University of Vienna, Waehringer Strasse 10, A-1090 Vienna, Austria
| | - Brigitte Kopp
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, A-1090 Vienna, Austria
| | - Istvan Zupko
- Department of Pharmacodynamics and Biopharmacy, University of Szeged, H-6720 Szeged, Hungary
| | - Judit Hohmann
- Department of Pharmacognosy, University of Szeged, Eotvos Str. 6, H-6720 Szeged, Hungary
| | - Georg Krupitza
- Clinical Institute of Pathology, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria.
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Atsaves V, Lekakis L, Drakos E, Leventaki V, Ghaderi M, Baltatzis GE, Chioureas D, Jones D, Feretzaki M, Liakou C, Panayiotidis P, Gorgoulis V, Patsouris E, Medeiros LJ, Claret FX, Rassidakis GZ. The oncogenic JUNB/CD30 axis contributes to cell cycle deregulation in ALK+ anaplastic large cell lymphoma. Br J Haematol 2014; 167:514-23. [DOI: 10.1111/bjh.13079] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Accepted: 06/26/2014] [Indexed: 12/22/2022]
Affiliation(s)
- Vassilis Atsaves
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
- First Department of Pathology; National and Kapodistrian University of Athens; Athens Greece
| | - Lazaros Lekakis
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - Elias Drakos
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
- Department of Pathology; University of Crete Medical School; Heraklion Greece
| | - Vasiliki Leventaki
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - Mehran Ghaderi
- Department of Pathology and Cytology; Karolinska University Hospital & Karolinska Institute; Stockholm Sweden
| | - George E. Baltatzis
- First Department of Pathology; National and Kapodistrian University of Athens; Athens Greece
| | - Dimitris Chioureas
- Department of Pathology and Cytology; Karolinska University Hospital & Karolinska Institute; Stockholm Sweden
| | - Dan Jones
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - Marianna Feretzaki
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - Chryssoula Liakou
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - Panayiotis Panayiotidis
- First Department of Propedeutic Medicine; National and Kapodistrian University of Athens; Athens Greece
| | - Vassilis Gorgoulis
- Laboratory of Histology and Embryology; National and Kapodistrian University of Athens; Athens Greece
| | - Efstratios Patsouris
- First Department of Pathology; National and Kapodistrian University of Athens; Athens Greece
| | - L. Jeffrey Medeiros
- Department of Pathology and Cytology; Karolinska University Hospital & Karolinska Institute; Stockholm Sweden
| | - Francois X. Claret
- Department of Systems Biology; The University of Texas MD Anderson Cancer Center; Houston TX USA
| | - George Z. Rassidakis
- Department of Hematopathology; The University of Texas MD Anderson Cancer Center; Houston TX USA
- First Department of Pathology; National and Kapodistrian University of Athens; Athens Greece
- Department of Pathology and Cytology; Karolinska University Hospital & Karolinska Institute; Stockholm Sweden
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Molecular and functional characterizations of the association and interactions between nucleophosmin-anaplastic lymphoma kinase and type I insulin-like growth factor receptor. Neoplasia 2014; 15:669-83. [PMID: 23730215 DOI: 10.1593/neo.122012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 03/23/2013] [Accepted: 03/25/2013] [Indexed: 01/08/2023] Open
Abstract
Nucleophosmin-anaplastic lymphoma kinase (NPM-ALK) is aberrantly expressed in a subset of T cell lymphoma that commonly affects children and young adults. NPM-ALK possesses significant oncogenic potential that was previously documented using in vitro and in vivo experimental models. The exact mechanisms by which NPM-ALK induces its effects are poorly understood. We have recently demonstrated that NPM-ALK is physically associated with type I insulin-like growth factor receptor (IGF-IR). A positive feedback loop appears to exist between NPM-ALK and IGF-IR through which these two kinases interact to potentiate their effects. We have also found that a single mutation of the Tyr(644) or Tyr(664) residue of the C terminus of NPM-ALK to phenylalanine decreases significantly, but does not completely abolish, the association between NPM-ALK and IGF-IR. The purpose of this study was to determine whether the dual mutation of Tyr(644) and Tyr(664) abrogates the association and interactions between NPM-ALK and IGF-IR. We also examined the impact of this dual mutation on the oncogenic potential of NPM-ALK. Our results show that NPM-ALK(Y644,664F) completely lacks association with IGF-IR. Importantly, we found that the dual mutation of Tyr(644) and Tyr(664) diminishes the oncogenic effects of NPM-ALK, including its ability to induce anchorage-independent colony formation and to sustain cellular transformation, proliferation, and migration. Furthermore, the association between NPM-ALK and IGF-IR through Tyr(644) and Tyr(664) appears to contribute to maintaining the stability of NPM-ALK protein. Our results provide novel insights into the mechanisms by which NPM-ALK induces its oncogenic effects through interactions with IGF-IR in this aggressive lymphoma.
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ALK: Anaplastic lymphoma kinase. Mol Oncol 2013. [DOI: 10.1017/cbo9781139046947.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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45
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Jun proteins and AP-1 in tumorigenesis. Mol Oncol 2013. [DOI: 10.1017/cbo9781139046947.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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46
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Schmid DI, Schwertz H, Jiang H, Campbell RA, Weyrich AS, McIntyre TM, Zimmerman GA, Kraiss LW. Translational control of JunB, an AP-1 transcription factor, in activated human endothelial cells. J Cell Biochem 2013; 114:1519-28. [PMID: 23297064 DOI: 10.1002/jcb.24493] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Accepted: 12/18/2012] [Indexed: 12/31/2022]
Abstract
Stimulated endothelial cells (EC) assume an activated phenotype with pro-inflammatory and prothrombotic features, requiring new gene and protein expression. New protein synthesis in activated EC is largely regulated by transcriptional events controlled by a variety of transcription factors. However, post-transcriptional control of gene expression also influences phenotype and allows the cell to alter protein expression in a faster and more direct way than is typically possible with transcriptional mechanisms. We sought to demonstrate that post-transcriptional control of gene expression occurs during EC activation. Using thrombin-activated EC and a high-throughput, microarray-based approach, we identified a number of gene products that may be regulated through post-transcriptional mechanisms, including the AP-1 transcription factor JunB. Using polysome profiling, cytoplasts and other standard cell biologic techniques, JunB is shown to be regulated at a post-transcriptional level during EC activation. In activated EC, the AP-1 transcription factor JunB, is regulated on a post-transcriptional level. Signal-dependent control of translation may regulate transcription factor expression and therefore, subsequent transcriptional events in stimulated EC.
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Affiliation(s)
- Douglas I Schmid
- Division of Vascular Surgery, University of Utah Health Sciences Center, Salt Lake City, Utah 84132, USA
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47
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Abstract
The burgeoning field of anaplastic lymphoma kinase (ALK) in cancer encompasses many cancer types, from very rare cancers to the more prevalent non-small-cell lung cancer (NSCLC). The common activation of ALK has led to the use of the ALK tyrosine kinase inhibitor (TKI) crizotinib in a range of patient populations and to the rapid development of second-generation drugs targeting ALK. In this Review, we discuss our current understanding of ALK function in human cancer and the implications for tumour treatment.
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MESH Headings
- Anaplastic Lymphoma Kinase
- Animals
- Antineoplastic Agents/therapeutic use
- Caenorhabditis elegans Proteins/physiology
- Cell Transformation, Neoplastic/genetics
- Clinical Trials as Topic
- Crizotinib
- Drosophila Proteins/physiology
- Drug Resistance, Neoplasm
- Enzyme Induction
- Gene Expression Regulation, Developmental
- Gene Expression Regulation, Neoplastic
- Humans
- Lymphoma, Large-Cell, Anaplastic/enzymology
- Lymphoma, Large-Cell, Anaplastic/genetics
- Mice
- Models, Biological
- Models, Molecular
- Mutation
- Neoplasm Proteins/biosynthesis
- Neoplasm Proteins/chemistry
- Neoplasm Proteins/genetics
- Neoplasm Proteins/physiology
- Neoplasms/drug therapy
- Neoplasms/enzymology
- Neoplasms/genetics
- Oncogene Proteins, Fusion/genetics
- Oncogene Proteins, Fusion/physiology
- Protein Conformation
- Protein-Tyrosine Kinases/physiology
- Pyrazoles/therapeutic use
- Pyridines/therapeutic use
- Receptor Protein-Tyrosine Kinases/biosynthesis
- Receptor Protein-Tyrosine Kinases/chemistry
- Receptor Protein-Tyrosine Kinases/genetics
- Receptor Protein-Tyrosine Kinases/physiology
- Signal Transduction
- Translocation, Genetic
- Zebrafish Proteins/physiology
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Affiliation(s)
- Bengt Hallberg
- Department of Molecular Biology, Building 6L, Umeå University, Umeå S-90187, Sweden
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48
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Lee JKH, Pearson JD, Maser BE, Ingham RJ. Cleavage of the JunB transcription factor by caspases generates a carboxyl-terminal fragment that inhibits activator protein-1 transcriptional activity. J Biol Chem 2013; 288:21482-95. [PMID: 23749999 DOI: 10.1074/jbc.m113.485672] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The activator protein-1 (AP-1) family transcription factor, JunB, is an important regulator of proliferation, apoptosis, differentiation, and the immune response. In this report, we show that JunB is cleaved in a caspase-dependent manner in apoptotic anaplastic lymphoma kinase-positive, anaplastic large cell lymphoma cell lines and that ectopically expressed JunB is cleaved in murine RAW 264.7 macrophage cells treated with the NALP1b inflammasome activator, anthrax lethal toxin. In both cases, we identify aspartic acid 137 as the caspase cleavage site and demonstrate that JunB can be directly cleaved in vitro by multiple caspases at this site. Cleavage of JunB at aspartic acid 137 separates the N-terminal transactivation domain from the C-terminal DNA binding and dimerization domains, and we show that the C-terminal cleavage fragment retains both DNA binding activity and the ability to interact with AP-1 family transcription factors. Furthermore, this fragment interferes with the binding of full-length JunB to AP-1 sites and inhibits AP-1-dependent transcription. In summary, we have identified and characterized a novel mechanism of JunB post-translational modification and demonstrate that the C-terminal JunB caspase cleavage product functions as a potent inhibitor of AP-1-dependent transcription.
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Affiliation(s)
- Jason K H Lee
- Department of Medical Microbiology and Immunology, University of Alberta, University of Alberta, Edmonton, Alberta T6G 2E1, Canada
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49
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Abstract
Systemic anaplastic large-cell lymphoma (ALCL) is a rare, mature T-cell non-Hodgkin lymphoma. Anaplastic large-cell lymphoma cells express the surface antigen CD30, and more than half express the anaplastic lymphoma kinase (ALK) protein. These 2 proteins provide unique therapeutic targets in ALCL. Remission rates in ALCL with combination chemotherapy are approximately 80%, but relapse after first-line therapy is common. Brentuximab vedotin is a US Food and Drug Administration-approved, antibody-drug conjugate that combines an anti-CD30 antibody with monomethylauristatin E, a potent antimicrotubule agent. Response rates to brentuximab vedotin in patients with relapsed/refractory ALK and ALK ALCL have exceeded 80% with frequent complete responses and a median duration of response greater than 1 year. Brentuximab vedotin in combination with chemotherapy is being explored as a first-line therapy in ALCL. Crizotinib is an inhibitor of ALK tyrosine kinase that has been approved for the treatment of ALK non-small cell lung cancer. Successful treatment of ALK ALCL with crizotinib has been reported in pediatric patients and small case series leading to ongoing trials in relapsed/refractory ALCL. Brentuximab vedotin and crizotinib represent major advances in the treatment of ALK and ALK ALCL and will likely result in marked improvement in prognosis for this subset of aggressive lymphomas.
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50
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Zhu H, Vishwamitra D, Curry CV, Manshouri R, Diao L, Khan A, Amin HM. NPM-ALK up-regulates iNOS expression through a STAT3/microRNA-26a-dependent mechanism. J Pathol 2013; 230:82-94. [PMID: 23338972 DOI: 10.1002/path.4171] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2012] [Revised: 12/28/2012] [Accepted: 01/11/2013] [Indexed: 12/30/2022]
Abstract
NPM-ALK chimeric oncogene is aberrantly expressed in an aggressive subset of T-cell lymphomas that frequently occurs in children and young adults. The mechanisms underlying the oncogenic effects of NPM-ALK are not completely elucidated. Inducible nitric oxide synthase (iNOS) promotes the survival and maintains the malignant phenotype of cancer cells by generating NO, a highly active free radical. We tested the hypothesis that iNOS is deregulated in NPM-ALK(+) T-cell lymphoma and promotes the survival of this lymphoma. In line with this possibility, an iNOS inhibitor and NO scavenger decreased the viability, adhesion, and migration of NPM-ALK(+) T-cell lymphoma cells, and an NO donor reversed these effects. Moreover, the NO donor salvaged the viability of lymphoma cells treated with ALK inhibitors. In further support of an important role of iNOS, we found iNOS protein to be highly expressed in NPM-ALK(+) T-cell lymphoma cell lines and in 79% of primary tumours but not in human T lymphocytes. Although expression of iNOS mRNA was identified in NPM-ALK(+) T-cell lymphoma cell lines and tumours, iNOS mRNA was remarkably elevated in T lymphocytes, suggesting post-transcriptional regulation. Consistently, we found that miR-26a contains potential binding sites and interacts with the 3'-UTR of iNOS. In addition, miR-26a was significantly decreased in NPM-ALK(+) T-cell lymphoma cell lines and tumours compared with T lymphocytes and reactive lymph nodes. Restoration of miR-26a in lymphoma cells abrogated iNOS protein expression and decreased NO production and cell viability, adhesion, and migration. Importantly, the effects of miR-26a were substantially attenuated when the NO donor was simultaneously used to treat lymphoma cells. Our investigation of the mechanisms underlying the decrease in miR-26a in this lymphoma revealed novel evidence that STAT3, a major downstream substrate of NPM-ALK tyrosine kinase activity, suppresses MIR26A1 gene expression.
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Affiliation(s)
- Haifeng Zhu
- Department of Hematopathology, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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