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Chen A, Li S, Gui J, Zhou H, Zhu L, Mi Y. Mechanisms of tropomyosin 3 in the development of malignant tumors. Heliyon 2024; 10:e35723. [PMID: 39170461 PMCID: PMC11336884 DOI: 10.1016/j.heliyon.2024.e35723] [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: 04/30/2024] [Revised: 08/01/2024] [Accepted: 08/02/2024] [Indexed: 08/23/2024] Open
Abstract
Tropomyosin (TPM) is an important regulatory protein that binds to actin in fine myofilaments, playing a crucial role in the regulation of muscle contraction. TPM3, as one of four tropomyosin genes, is notably prevalent in eukaryotic cells. Traditionally, abnormal gene expression of TPM3 has been exclusively associated with myopathy. However, recent years have witnessed a surge in studies highlighting the close correlation between abnormal expression of TPM3 and the onset, progression, metastasis, and prognosis of various malignant tumors. In light of this, investigating the mechanisms underlying the pathogenetic role of TPM3 holds significant promise for early diagnosis and more effective treatment strategies. This article aims to provide an insightful review of the structural characteristics of TPM3 and its intricate role in the occurrence and development of malignant tumors.
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Affiliation(s)
- Anjie Chen
- Department of Urology, Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, 214122, Jiangsu Province, China
- Wuxi School of Medicine, Jiangnan University, 1800 Lihudadao, Wuxi, 214122, Jiangsu Province, China
| | - Sixin Li
- Department of Urology, Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, 214122, Jiangsu Province, China
- Wuxi School of Medicine, Jiangnan University, 1800 Lihudadao, Wuxi, 214122, Jiangsu Province, China
| | - Jiandong Gui
- Department of Urology, Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, 214122, Jiangsu Province, China
- Wuxi School of Medicine, Jiangnan University, 1800 Lihudadao, Wuxi, 214122, Jiangsu Province, China
| | - Hangsheng Zhou
- Department of Urology, Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, 214122, Jiangsu Province, China
- Wuxi School of Medicine, Jiangnan University, 1800 Lihudadao, Wuxi, 214122, Jiangsu Province, China
| | - Lijie Zhu
- Department of Urology, Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, 214122, Jiangsu Province, China
| | - Yuanyuan Mi
- Department of Urology, Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, 214122, Jiangsu Province, China
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Khoubila N, Sraidi S, Madani A, Tazi I. Anaplastic Large-cell Lymphoma in Children: State of the Art in 2023. J Pediatr Hematol Oncol 2024; 46:217-224. [PMID: 38912833 DOI: 10.1097/mph.0000000000002875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 04/04/2024] [Indexed: 06/25/2024]
Abstract
Anaplastic large-cell lymphoma is a rare disease and account for approximately 10% to 15% of pediatric non-Hodgkin lymphomas. They are characterized by extended stages, a high frequency of B signs and extra nodal involvement. Multiagent chemotherapy cures ∽60% to 75% of patients and relapse occurs in 35% of cases. For relapsed patients, various treatments ranging from vinblastine monotherapy to therapeutic intensification with hematopoietic stem cell transplantation have been evaluated, but there is currently no consensus on the optimal therapeutic strategy. New therapeutic perspectives are being evaluated for relapses and refractory forms as well as high-risk forms including monoclonal antibodies (Anti CD30), ALK inhibitors, and CART cells.
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Affiliation(s)
- Nisrine Khoubila
- Department of Hematology and Pediatric Oncology, Hospital 20 August 1953, CHU Ibn Rochd, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca
| | - Sofia Sraidi
- Department of Hematology and Pediatric Oncology, Hospital 20 August 1953, CHU Ibn Rochd, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca
| | - Abdellah Madani
- Department of Hematology and Pediatric Oncology, Hospital 20 August 1953, CHU Ibn Rochd, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca
| | - Illias Tazi
- Department of Clinical Hematology, CHU Mohamed VI, Cadi Ayyad University, Marrakech, Morocco
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3
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Kalinova M, Mrhalova M, Kabickova E, Svaton M, Skotnicova A, Prouzova Z, Krenova Z, Kolenova A, Divoka M, Fronkova E, Kodet R. Molecular Screening in Anaplastic Lymphoma Kinase-Positive Anaplastic Large Cell Lymphoma: Anaplastic Lymphoma Kinase Analysis, Next-Generation Sequencing Fusion Gene Detection, and T-Cell Receptor Immunoprofiling. Mod Pathol 2024; 37:100428. [PMID: 38266918 DOI: 10.1016/j.modpat.2024.100428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 12/08/2023] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
Anaplastic lymphoma kinase-positive anaplastic large cell lymphoma (ALK+ ALCL) originates from the T-lineage and is marked by rearrangements of the ALK gene. More than 10 fusion partners with the ALK gene are known, with the most common being the t(2;5)(p23;q35) translocation resulting in the NPM1::ALK fusion. In 10% to 20% of the ALK+ ALCL cases, the ALK gene fuses with various other partners. Modern molecular techniques, especially next-generation sequencing (NGS), have eased the identification of ALK gene fusion partners and have allowed in-depth characterization of the T-cell receptor (TCR) repertoire. We devised a real-time quantitative reverse-transcription polymerase chain reaction to measure the expression of the translocated portion of the ALK gene. Fusion partners for the ALK gene were analyzed using rapid amplification of 5'cDNA ends (RACE) method or NGS. TCR immunoprofiling was performed by amplicon NGS. We studied 96 ALK+ ALCL patients. NPM1::ALK fusion gene was observed in 71 patients, ATIC::ALK in 9, and TPM3::ALK in 3. CLTC::ALK, MYH9::ALK, and RNF213::ALK fusions were identified in 2 patients each. We also discovered the TPM4::ALK and SATB1::ALK fusion genes, plus the following 2 previously unidentified ALK+ ALCL fusions: SQSTM1::ALK and CAPRIN1::ALK. High expression of the translocated ALK gene segment was observed in all 93 analyzed samples. TCR testing was conducted on 23 patients with available DNA. In 18 (78%) patients, we discerned at least one (ranging from 1 to 4) clonal TCR rearrangement. In 59% of the patients, clonal TCR beta junctions corresponded with sequences previously observed in both healthy donors and under various pathological conditions. Reverse-transcriptase quantitative detection of ALK expression is a fast and reliable method for both diagnosing and monitoring treatment response in ALK+ ALCL patients, irrespective of the ALK gene translocation. NGS reveals new ALK translocation partners. Both malignant and reactive TCR repertoires in ALK+ ALCL patients are unique and do not consistently occur among different patients.
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Affiliation(s)
- Marketa Kalinova
- Department of Pathology, 3rd Faculty of Medicine, Charles University, Prague, Czech Republic; Central Laboratories, Faculty Hospital Kralovske Vinohrady, Prague, Czech Republic; Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic.
| | - Marcela Mrhalova
- Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Edita Kabickova
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Michael Svaton
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Aneta Skotnicova
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic
| | - Zuzana Prouzova
- Department of Pathology, 3rd Faculty of Medicine, Charles University, Prague, Czech Republic; Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic; Department of Pathology, 1st Faculty of Medicine, VFN, Charles University, Prague, Czech Republic
| | - Zdenka Krenova
- Department of Pediatric Oncology, University Hospital Brno, Brno, Czech Republic; Department of Pediatrics, Faculty of Medicine Masaryk University, Brno, Czech Republic
| | - Alexandra Kolenova
- Department of Pediatric Hematology and Oncology, Faculty of Medicine, Comenius University Bratislava, Bratislava, Slovak Republic
| | - Martina Divoka
- Department of Hematooncology, Faculty Hospital Olomouc, Olomouc, Czech Republic
| | - Eva Fronkova
- CLIP, Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic.
| | - Roman Kodet
- Department of Pathology and Molecular Medicine, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic
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4
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Abramov DS, Fedorova AS, Tuzova EA, Myakova NV, Konovalov DM. [ALK-positive anaplastic large cell lymphoma of paranasal sinuses: two cases report and literature review]. Arkh Patol 2024; 86:42-47. [PMID: 39073541 DOI: 10.17116/patol20248604142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
ALK-positive anaplastic large cell lymphoma is a rare T-cell lymphoma with ALK gene rearrangement that develops in children and young adults. The disease almost always affects the lymph nodes, and extranodal areas are also frequently involved. This article describes two cases of atypical localization of ALK-positive anaplastic large cell lymphoma with involvement of the paranasal sinuses.
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Affiliation(s)
- D S Abramov
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - A S Fedorova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - E A Tuzova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - N V Myakova
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - D M Konovalov
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology, Moscow, Russia
- Russian Medical Academy of Continuous Professional Education, Moscow, Russia
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Drieux F, Lemonnier F, Gaulard P. How molecular advances may improve the diagnosis and management of PTCL patients. Front Oncol 2023; 13:1202964. [PMID: 37427095 PMCID: PMC10328093 DOI: 10.3389/fonc.2023.1202964] [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: 04/09/2023] [Accepted: 05/22/2023] [Indexed: 07/11/2023] Open
Abstract
Peripheral T-cell lymphomas (PTCL) comprised more than 30 rare heterogeneous entities, representing 10 to 15% of adult non-Hodgkin lymphomas. Although their diagnosis is still mainly based on clinical, pathological, and phenotypic features, molecular studies have allowed for a better understanding of the oncogenic mechanisms involved and the refinement of many PTCL entities in the recently updated classifications. The prognosis remains poor for most entities (5-year overall survival < 30%), with current conventional therapies based on anthracyclin-based polychemotherapy regimen, despite many years of clinical trials. The recent use of new targeted therapies appears to be promising for relapsed/refractory patients, such as demethylating agents in T-follicular helper (TFH) PTCL. However further studies are needed to evaluate the proper combination of these drugs in the setting of front-line therapy. In this review, we will summarize the oncogenic events for the main PTCL entities and report the molecular targets that have led to the development of new therapies. We will also discuss the development of innovative high throughput technologies that aid the routine workflow for the histopathological diagnosis and management of PTCL patients.
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Affiliation(s)
- Fanny Drieux
- Service d’Anatomie et de Cytologie Pathologiques, INSERM U1245, Centre Henri Becquerel, Rouen, France
| | - François Lemonnier
- Unité hémopathies Lymphoïdes, Hôpitaux Universitaires Henri Mondor, Assistance Publique des Hôpitaux de Paris, Créteil, France
- Institut Mondor de Recherche Biomédicale, INSERM U955, Université Paris Est Créteil, Créteil, France
| | - Philippe Gaulard
- Institut Mondor de Recherche Biomédicale, INSERM U955, Université Paris Est Créteil, Créteil, France
- Département de Pathologie, Hôpitaux Universitaires Henri Mondor, Assistance Publique des Hôpitaux de Paris, Créteil, France
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6
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Yu Y, Wang Z, Wang L, Wang Q, Tang R, Xiang S, Deng Q, Hou T, Sun H. Deciphering the Shared and Specific Drug Resistance Mechanisms of Anaplastic Lymphoma Kinase via Binding Free Energy Computation. RESEARCH (WASHINGTON, D.C.) 2023; 6:0170. [PMID: 37342628 PMCID: PMC10278961 DOI: 10.34133/research.0170] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 05/25/2023] [Indexed: 06/23/2023]
Abstract
Anaplastic lymphoma kinase (ALK), a tyrosine receptor kinase, has been proven to be associated with the occurrence of numerous malignancies. Although there have been already at least 3 generations of ALK inhibitors approved by FDA or in clinical trials, the occurrence of various mutations seriously attenuates the effectiveness of the drugs. Unfortunately, most of the drug resistance mechanisms still remain obscure. Therefore, it is necessary to reveal the bottom reasons of the drug resistance mechanisms caused by the mutations. In this work, on the basis of verifying the accuracy of 2 main kinds of binding free energy calculation methodologies [end-point method of Molecular Mechanics with Poisson-Boltzmann/Generalized Born and Surface Area (MM/PB(GB)SA) and alchemical method of Thermodynamic Integration (TI)], we performed a systematic analysis on the ALK systems to explore the underlying shared and specific drug resistance mechanisms, covering the one-drug-multiple-mutation and multiple-drug-one-mutation cases. Through conventional molecular dynamics (cMD) simulation in conjunction with MM/PB(GB)SA and umbrella sampling (US) in conjunction with contact network analysis (CNA), the resistance mechanisms of the in-pocket, out-pocket, and multiple-site mutations were revealed. Especially for the out-pocket mutation, a possible transfer chain of the mutation effect was revealed, and the reason why different drugs exhibited various sensitivities to the same mutation was also uncovered. The proposed mechanisms may be prevalent in various drug resistance cases.
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Affiliation(s)
- Yang Yu
- Department of Medicinal Chemistry,
China Pharmaceutical University, Nanjing 210009, Jiangsu, P. R. China
| | - Zhe Wang
- Innovation Institute for Artificial Intelligence in Medicine ofZhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, Zhejiang, P. R. China
| | - Lingling Wang
- Department of Medicinal Chemistry,
China Pharmaceutical University, Nanjing 210009, Jiangsu, P. R. China
| | - Qinghua Wang
- Department of Medicinal Chemistry,
China Pharmaceutical University, Nanjing 210009, Jiangsu, P. R. China
| | - Rongfan Tang
- Department of Medicinal Chemistry,
China Pharmaceutical University, Nanjing 210009, Jiangsu, P. R. China
| | - Sutong Xiang
- Department of Medicinal Chemistry,
China Pharmaceutical University, Nanjing 210009, Jiangsu, P. R. China
| | - Qirui Deng
- Department of Medicinal Chemistry,
China Pharmaceutical University, Nanjing 210009, Jiangsu, P. R. China
| | - Tingjun Hou
- Innovation Institute for Artificial Intelligence in Medicine ofZhejiang University, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, Zhejiang, P. R. China
| | - Huiyong Sun
- Department of Medicinal Chemistry,
China Pharmaceutical University, Nanjing 210009, Jiangsu, P. R. China
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Kong Y, Jiang C, Wei G, Sun K, Wang R, Qiu T. Small Molecule Inhibitors as Therapeutic Agents Targeting Oncogenic Fusion Proteins: Current Status and Clinical. Molecules 2023; 28:4672. [PMID: 37375228 DOI: 10.3390/molecules28124672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 05/30/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
Oncogenic fusion proteins, arising from chromosomal rearrangements, have emerged as prominent drivers of tumorigenesis and crucial therapeutic targets in cancer research. In recent years, the potential of small molecular inhibitors in selectively targeting fusion proteins has exhibited significant prospects, offering a novel approach to combat malignancies harboring these aberrant molecular entities. This review provides a comprehensive overview of the current state of small molecular inhibitors as therapeutic agents for oncogenic fusion proteins. We discuss the rationale for targeting fusion proteins, elucidate the mechanism of action of inhibitors, assess the challenges associated with their utilization, and provide a summary of the clinical progress achieved thus far. The objective is to provide the medicinal community with current and pertinent information and to expedite the drug discovery programs in this area.
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Affiliation(s)
- Yichao Kong
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Caihong Jiang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Guifeng Wei
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Kai Sun
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Ruijie Wang
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
| | - Ting Qiu
- School of Pharmacy, Hangzhou Normal University, Hangzhou 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou 311121, China
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Qiu YF, Song LH, Jiang GL, Zhang Z, Liu XY, Wang G. Hallmarks of Anaplastic Lymphoma Kinase Inhibitors with Its Quick Emergence of Drug Resistance. PHARMACEUTICAL FRONTS 2022. [DOI: 10.1055/s-0042-1758542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Anaplastic lymphoma kinase (ALK) is one of the most popular targets for anticancer therapies. In the past decade, the use of anaplastic lymphoma tyrosine kinase inhibitors (ALK-TKIs), including crizotinib and ceritinib, has been a reliable and standard options for patients with lung cancer, particularly for patients with nonsmall cell lung carcinoma. ALK-targeted therapies initially benefit the patients, yet, resistance eventually occurs. Therefore, resistance mechanisms of ALK-TKIs and the solutions have become a formidable challenge in the development of ALK inhibitors. In this review, based on the knowledge of reported ALK inhibitors, we illustrated the crystal structures of ALK, summarized the resistance mechanisms of ALK-targeted drugs, and proposed potential therapeutic strategies to prevent or overcome the resistance.
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Affiliation(s)
- Yong-Fu Qiu
- Novel Technology Center of Pharmaceutical Chemistry, Shanghai Institute of Pharmaceutical Industry, Co., Ltd., China State Institute of Pharmaceutical Industry, Shanghai, People's Republic of China
| | - Lian-Hua Song
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, People's Republic of China
| | - Gang-Long Jiang
- Novel Technology Center of Pharmaceutical Chemistry, Shanghai Institute of Pharmaceutical Industry, Co., Ltd., China State Institute of Pharmaceutical Industry, Shanghai, People's Republic of China
| | - Zhen Zhang
- Novel Technology Center of Pharmaceutical Chemistry, Shanghai Institute of Pharmaceutical Industry, Co., Ltd., China State Institute of Pharmaceutical Industry, Shanghai, People's Republic of China
- School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, People's Republic of China
| | - Xu-Yan Liu
- Novel Technology Center of Pharmaceutical Chemistry, Shanghai Institute of Pharmaceutical Industry, Co., Ltd., China State Institute of Pharmaceutical Industry, Shanghai, People's Republic of China
| | - Guan Wang
- Novel Technology Center of Pharmaceutical Chemistry, Shanghai Institute of Pharmaceutical Industry, Co., Ltd., China State Institute of Pharmaceutical Industry, Shanghai, People's Republic of China
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Aepala MR, Peiris MN, Jiang Z, Yang W, Meyer AN, Donoghue DJ. Nefarious NTRK oncogenic fusions in pediatric sarcomas: Too many to Trk. Cytokine Growth Factor Rev 2022; 68:93-106. [PMID: 36153202 DOI: 10.1016/j.cytogfr.2022.08.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/20/2022] [Accepted: 08/22/2022] [Indexed: 01/30/2023]
Abstract
Neurotrophic Tyrosine Receptor Kinase (NTRK) genes undergo chromosomal translocations to create novel open reading frames coding for oncogenic fusion proteins; the N-terminal portion, donated by various partner genes, becomes fused to the tyrosine kinase domain of either NTRK1, NTRK2, or NTRK3. NTRK fusion proteins have been identified as driver oncogenes in a wide variety of tumors over the past three decades, including Pediatric Gliomas, Papillary Thyroid Carcinoma, Spitzoid Neoplasms, Glioblastoma, and additional tumors. Importantly, NTRK fusions function as drivers of pediatric sarcomas, accounting for approximately 15% of childhood cancers including Infantile Fibrosarcoma (IFS), a subset of pediatric soft tissue sarcoma (STS). While tyrosine kinase inhibitors (TKIs), such as larotrectinib and entrectinib, have demonstrated profound results against NTRK fusion-positive cancers, acquired resistance to these TKIs has resulted in the formation of gatekeeper, solvent-front, and compound mutations. We present a comprehensive compilation of oncogenic fusions involving NTRKs focusing specifically on pediatric STS, examining their biological signaling pathways and mechanisms of activation. The importance of an obligatory dimerization or multimerization domain, invariably donated by the N-terminal fusion partner, is discussed using characteristic fusions that occur in pediatric sarcomas. In addition, examples are presented of oncogenic fusion proteins in which the N-terminal partners may contribute additional biological activities beyond an oligomerization domain. Lastly, therapeutic approaches to the treatment of pediatric sarcoma will be presented, using first generation and second-generation agents such as selitrectinib and repotrectinib.
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Affiliation(s)
- Megha R Aepala
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0367, USA
| | - Malalage N Peiris
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0367, USA
| | - Zian Jiang
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0367, USA
| | - Wei Yang
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0367, USA
| | - April N Meyer
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0367, USA
| | - Daniel J Donoghue
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA 92093-0367, USA; UCSD Moores Cancer Center, University of California San Diego, La Jolla, CA 92093-0367, USA.
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10
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Martin D, Smith SC, Chesney A, Jackson-Cook C, Pillappa R. Too Sensitive or Just Right? Am J Clin Pathol 2022; 158:283-290. [PMID: 35482487 DOI: 10.1093/ajcp/aqac043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 03/14/2022] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES To compare the performance of the rabbit monoclonal antihuman CD246 antibody (D5F3 clone) with the established ALK1 clone for immunohistochemical assessment of anaplastic large cell lymphoma (ALCL). METHODS Archival cases of ALCL (n = 27) were assessed immunohistochemically by use of ALK1 and D5F3 clones under standard Clinical Laboratory Improvement Amendments-compliant conditions. The intensity of cytoplasmic staining (0 = none; 1 = faint; 2 = moderate; 3+ = strong) and proportion of neoplastic cells (0%, <5%, 5%-50%, >50%) were evaluated and compared with clinical ALK break-apart fluorescence in situ hybridization (FISH) assays. RESULTS Nine ALCL specimens were positive for ALK expression by ALK1 staining (33%; 1 = 1+; 0 = 2+; 8 = 3+), while 14 were positive by D5F3 staining (48%; 3 = 1+; 1 = 2+; 10 = 3+). Across the cohort, D5F3 staining showed a significantly greater proportion of cells staining positive (P = .02) and greater intensity (P = .03). Of 3 cases positive for D5F3 only with FISH results, none showed rearrangements, although 1 showed copy number gains at the ALK locus in a subset of cells. CONCLUSIONS Overall, D5F3 showed greater stain intensity and proportion staining than ALK1 in ALK-positive ALCL cases, which is especially helpful in limited samples. Caution and consideration of orthogonal ALK testing types is recommended, especially for cases with weak or focal staining.
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Affiliation(s)
- Dana Martin
- Department of Pathology, Virginia Commonwealth University (VCU) School of Medicine, Richmond, VA, USA
| | - Steven C Smith
- Department of Pathology, Virginia Commonwealth University (VCU) School of Medicine, Richmond, VA, USA
- Department of Surgery, Virginia Commonwealth University (VCU) School of Medicine, Richmond, VA, USA
| | - Alden Chesney
- Department of Pathology, Virginia Commonwealth University (VCU) School of Medicine, Richmond, VA, USA
| | - Colleen Jackson-Cook
- Department of Pathology, Virginia Commonwealth University (VCU) School of Medicine, Richmond, VA, USA
- Department of Human and Molecular Genetics, VCU Health, Richmond, VA, USA
| | - Raghavendra Pillappa
- Department of Pathology, Virginia Commonwealth University (VCU) School of Medicine, Richmond, VA, USA
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11
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Anaplastic Large Cell Lymphoma: Molecular Pathogenesis and Treatment. Cancers (Basel) 2022; 14:cancers14071650. [PMID: 35406421 PMCID: PMC8997054 DOI: 10.3390/cancers14071650] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 11/25/2022] Open
Abstract
Simple Summary Anaplastic large cell lymphoma is a rare type of disease that occurs throughout the world and has four subtypes. A summary and comparison of these subtypes can assist with advancing our knowledge of the mechanism and treatment of ALCL, which is helpful in making progress in this field. Abstract Anaplastic large cell lymphoma (ALCL) is an uncommon type of non-Hodgkin’s lymphoma (NHL), as well as one of the subtypes of T cell lymphoma, accounting for 1 to 3% of non-Hodgkin’s lymphomas and around 15% of T cell lymphomas. In 2016, the World Health Organization (WHO) classified anaplastic large cell lymphoma into four categories: ALK-positive ALCL (ALK+ALCL), ALK-negative ALCL (ALK−ALCL), primary cutaneous ALCL (pcALCL), and breast-implant-associated ALCL (BIA-ALCL), respectively. Clinical symptoms, gene changes, prognoses, and therapy differ among the four types. Large lymphoid cells with copious cytoplasm and pleomorphic characteristics with horseshoe-shaped or reniform nuclei, for example, are found in both ALK+ and ALK−ALCL. However, their epidemiology and pathogenetic origins are distinct. BIA-ALCL is currently recognized as a new provisional entity, which is a noninvasive disease with favorable results. In this review, we focus on molecular pathogenesis and management of anaplastic large cell lymphoma.
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12
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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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13
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Qiu L, Cho JH, Jelloul FZ, Vega F. SOHO State of the Art Updates and Next Questions: Pathology and Pathogenesis of Nodal Peripheral T-Cell Lymphomas. CLINICAL LYMPHOMA MYELOMA & LEUKEMIA 2021; 22:287-296. [PMID: 34776400 DOI: 10.1016/j.clml.2021.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/30/2021] [Accepted: 10/09/2021] [Indexed: 10/20/2022]
Abstract
Peripheral T-cell lymphomas (PTCLs) are a heterogeneous and often clinically aggressive group of neoplasms derived from mature post-thymic T-lymphocytes. These neoplasms are rare and usually diagnostically challenging. Our understanding of the pathogenesis of PTCL is increasing and this improved knowledge is leading us to better molecular characterization, more objective and accurate diagnostic criteria, more effective risk assessment, and potentially better treatments. The focus of this paper is to present a brief overview of the current pathology criteria and molecular and genetic features of nodal peripheral T-cell lymphomas focusing on distinct genetically and molecularly defined subgroups that are being recognized within each major nodal PTCL category. It is expected that the molecular stratification will improve the diagnosis and will provide novel therapeutic opportunities (biomarker-driven and targeted therapies) that might benefit and change the outcomes of patients with these neoplasms.
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Affiliation(s)
- Lianqun Qiu
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Jeong Hee Cho
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Fatima Zahra Jelloul
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Francisco Vega
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas; UT Health Graduate School of Biomedical Sciences, Houston, Texas.
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14
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Drieux F, Ruminy P, Sater V, Marchand V, Fataccioli V, Lanic MD, Viennot M, Viailly PJ, Sako N, Robe C, Dupuy A, Vallois D, Veresezan L, Poullot E, Picquenot JM, Bossard C, Parrens M, Lemonnier F, Jardin F, de Leval L, Gaulard P. Detection of Gene Fusion Transcripts in Peripheral T-Cell Lymphoma Using a Multiplexed Targeted Sequencing Assay. J Mol Diagn 2021; 23:929-940. [PMID: 34147695 DOI: 10.1016/j.jmoldx.2021.04.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 04/19/2021] [Accepted: 04/28/2021] [Indexed: 10/21/2022] Open
Abstract
The genetic basis of peripheral T-cell lymphoma (PTCL) is complex and encompasses several recurrent fusion transcripts discovered over the past years by means of massive parallel sequencing. However, there is currently no affordable and rapid technology for their simultaneous detection in clinical samples. Herein, we developed a multiplex ligation-dependent RT-PCR-based assay, followed by high-throughput sequencing, to detect 33 known PTCL-associated fusion transcripts. Anaplastic lymphoma kinase (ALK) fusion transcripts were detected in 15 of 16 ALK-positive anaplastic large-cell lymphomas. The latter case was further characterized by a novel SATB1_ALK fusion transcript. Among 239 other PTCLs, representative of nine entities, non-ALK fusion transcripts were detected in 24 samples, mostly of follicular helper T-cell (TFH) derivation. The most frequent non-ALK fusion transcript was ICOS_CD28 in nine TFH-PTCLs, one PTCL not otherwise specified, and one adult T-cell leukemia/lymphoma, followed by VAV1 rearrangements with multiple partners (STAP2, THAP4, MYO1F, and CD28) in five samples (three PTCL not otherwise specified and two TFH-PTCLs). The other rearrangements were CTLA4_CD28 (one TFH-PTCL), ITK_SYK (two TFH-PTCLs), ITK_FER (one TFH-PTCL), IKZF2_ERBB4 (one TFH-PTCL and one adult T-cell leukemia/lymphoma), and TP63_TBL1XR1 (one ALK-negative anaplastic large-cell lymphoma). All fusions detected by our assay were validated by conventional RT-PCR and Sanger sequencing in 30 samples with adequate material. The simplicity and robustness of this targeted multiplex assay make it an attractive tool for the characterization of these heterogeneous diseases.
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Affiliation(s)
- Fanny Drieux
- INSERM U1245, Centre Henri Becquerel, Rouen, France; Pathology Department, Centre Henri Becquerel, Rouen, France; INSERM U955, Université Paris-Est, Créteil, France
| | | | | | | | - Virginie Fataccioli
- INSERM U955, Université Paris-Est, Créteil, France; Pathology Department, Groupe Hospitalier Henri Mondor, AP-HP, Créteil, France
| | | | | | | | - Nouhoum Sako
- INSERM U955, Université Paris-Est, Créteil, France
| | | | | | - David Vallois
- Institute of Pathology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | | | - Elsa Poullot
- INSERM U955, Université Paris-Est, Créteil, France; Pathology Department, Groupe Hospitalier Henri Mondor, AP-HP, Créteil, France
| | | | | | - Marie Parrens
- Pathology Department, Hôpital Haut-Lévêque, Bordeaux, France
| | - François Lemonnier
- INSERM U955, Université Paris-Est, Créteil, France; Hematology Department, Lymphoma Unit, Henri Mondor Hospital, Public Assistance Hospital of Paris, Créteil, France
| | | | - Laurence de Leval
- Institute of Pathology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Philippe Gaulard
- INSERM U955, Université Paris-Est, Créteil, France; Pathology Department, Groupe Hospitalier Henri Mondor, AP-HP, Créteil, France.
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15
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Abstract
OBJECTIVES This review describes our approach to the diagnosis of all 4 anaplastic large cell lymphoma (ALCL) entities. METHODS ALCLs are a group of CD30-positive mature T-cell lymphomas with similar morphologic and phenotypic characteristics but variable clinical and genetic features. They include systemic ALK-positive ALCL, systemic ALK-negative ALCL, primary cutaneous ALCL, and the recently described provisional entity breast implant-associated ALCL. RESULTS In cases with classic features, the diagnosis of ALCL is often straightforward. However, variant histology, the importance of clinical history, and multiple antigenic aberrancies all present challenges to accurate diagnosis and subclassification. CONCLUSIONS A systematic approach to the diagnosis of ALCL and awareness of potential mimics are critical to avoid misdiagnosis. It is also crucial to correctly identify localized forms of ALCL to avoid classification as systemic ALCL and subsequent overtreatment.
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Affiliation(s)
- Catalina Amador
- Department of Pathology and Microbiology, University of Nebraska, Omaha, NE, USA
| | - Andrew L Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
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16
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Uchihara Y, Tago K, Tamura H, Funakoshi‐Tago M. EBP2, a novel NPM-ALK-interacting protein in the nucleolus, contributes to the proliferation of ALCL cells by regulating tumor suppressor p53. Mol Oncol 2021; 15:167-194. [PMID: 33040459 PMCID: PMC7782078 DOI: 10.1002/1878-0261.12822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/20/2020] [Accepted: 10/07/2020] [Indexed: 12/27/2022] Open
Abstract
The oncogenic fusion protein nucleophosmin-anaplastic lymphoma kinase (NPM-ALK), found in anaplastic large-cell lymphoma (ALCL), localizes to the cytosol, nucleoplasm, and nucleolus. However, the relationship between its localization and transforming activity remains unclear. We herein demonstrated that NPM-ALK localized to the nucleolus by binding to nucleophosmin 1 (NPM1), a nucleolar protein that exhibits shuttling activity between the nucleolus and cytoplasm, in a manner that was dependent on its kinase activity. In the nucleolus, NPM-ALK interacted with Epstein-Barr virus nuclear antigen 1-binding protein 2 (EBP2), which is involved in rRNA biosynthesis. Moreover, enforced expression of NPM-ALK induced tyrosine phosphorylation of EBP2. Knockdown of EBP2 promoted the activation of the tumor suppressor p53, leading to G0 /G1 -phase cell cycle arrest in Ba/F3 cells transformed by NPM-ALK and ALCL patient-derived Ki-JK cells, but not ALCL patient-derived SUDH-L1 cells harboring p53 gene mutation. In Ba/F3 cells transformed by NPM-ALK and Ki-JK cells, p53 activation induced by knockdown of EBP2 was significantly inhibited by Akt inhibitor GDC-0068, mTORC1 inhibitor rapamycin, and knockdown of Raptor, an essential component of mTORC1. These results suggest that the knockdown of EBP2 triggered p53 activation through the Akt-mTORC1 pathway in NPM-ALK-positive cells. Collectively, the present results revealed the critical repressive mechanism of p53 activity by EBP2 and provide a novel therapeutic strategy for the treatment of ALCL.
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Affiliation(s)
- Yuki Uchihara
- Division of Hygienic ChemistryFaculty of PharmacyKeio UniversityTokyoJapan
| | - Kenji Tago
- Division of Structural BiochemistryDepartment of BiochemistryJichi Medical UniversityShimotsuke‐shiJapan
| | - Hiroomi Tamura
- Division of Hygienic ChemistryFaculty of PharmacyKeio UniversityTokyoJapan
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17
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Quelen C, Grand D, Sarot E, Brugières L, Sibon D, Pradines A, Laurent C, Brousset P, Lamant L. Minimal Residual Disease Monitoring Using a 3'ALK Universal Probe Assay in ALK-Positive Anaplastic Large-Cell Lymphoma: ddPCR, an Attractive Alternative Method to Real-Time Quantitative PCR. J Mol Diagn 2020; 23:131-139. [PMID: 33246076 DOI: 10.1016/j.jmoldx.2020.11.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 10/06/2020] [Accepted: 11/03/2020] [Indexed: 12/20/2022] Open
Abstract
In ALK-positive anaplastic large-cell lymphomas, positive qualitative PCR for NPM1-anaplastic lymphoma kinase (ALK) in peripheral blood and/or bone marrow at diagnosis and during treatment are associated with a higher risk of treatment failure. Real-time quantitative PCR allows identification of very high risk patients. However, this latter technique initially designed for patients with lymphomas carrying the most frequent NPM1-ALK translocation necessitates calibration curves, limiting interlaboratory reproducibility. An ALK universal quantitative PCR based on 3'ALK transcript amplification was designed to allow the detection of all ALK fusion transcripts. The absolute concordance of 3'ALK quantitative PCR results were validated with the routine NPM1-ALK qualitative and quantitative PCR on 46 samples. The universality of ALK fusion transcript detection also was validated on TPM3-, ALO17-, and ATIC-ALK-positive samples, and the EML4-ALK-positive cell line. Digital droplet PCR using the 3'ALK universal probe showed highly concordant results with 3'ALK universal quantitative PCR. A major benefit of digital droplet PCR is a reduced experimental set-up compared with quantitative PCR, without generation of standard curves, leading to a reliable protocol for multilaboratory validation in multicenter clinical trials essential for this rare pathology. Our ALK universal method could be used for the screening of ALK fusion transcripts in liquid biopsy specimens of other ALK-positive tumors, including non-small cell lung carcinomas.
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Affiliation(s)
- Cathy Quelen
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France; Université Toulouse III-Paul-Sabatier, Toulouse, France; Cancer Research Center of Toulouse, INSERM UMR 1037, ERL5294 CNRS, Université Toulouse III-Paul-Sabatier, Toulouse, France
| | - David Grand
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France
| | - Emeline Sarot
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France
| | - Laurence Brugières
- Department of Children and Adolescents Oncology, Gustave Roussy Cancer Center, Paris-Saclay University, Villejuif
| | - David Sibon
- Department of Hematology, Hopital Necker-Enfants Malades, Paris, France
| | - Anne Pradines
- Medical Laboratory, Claudius Regaud Institute, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France
| | - Camille Laurent
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France; Cancer Research Center of Toulouse, INSERM UMR 1037, ERL5294 CNRS, Université Toulouse III-Paul-Sabatier, Toulouse, France
| | - Pierre Brousset
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France; Cancer Research Center of Toulouse, INSERM UMR 1037, ERL5294 CNRS, Université Toulouse III-Paul-Sabatier, Toulouse, France
| | - Laurence Lamant
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, Toulouse, France; Cancer Research Center of Toulouse, INSERM UMR 1037, ERL5294 CNRS, Université Toulouse III-Paul-Sabatier, Toulouse, France.
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18
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Agarwal I, Sabatini L, Alikhan MB. Diagnostic Capability of Next-Generation Sequencing Fusion Analysis in Identifying a Rare CASE of TRAF1-ALK-Associated Anaplastic Large Cell Lymphoma. Front Oncol 2020; 10:730. [PMID: 32457846 PMCID: PMC7225296 DOI: 10.3389/fonc.2020.00730] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 04/16/2020] [Indexed: 12/02/2022] Open
Abstract
Background: Anaplastic lymphoma kinase (ALK)-positive anaplastic large cell lymphoma (ALCL) is a rare T-cell neoplasm, accounting for approximately 3% of adult non-Hodgkin lymphomas. Although NPM1 is the most common fusion partner with ALK, many others have been described, necessitating break-apart FISH studies for confirmation of the diagnosis. TNF receptor-associated factor 1 (TRAF1) is a rare ALK partner that is thought to confer a worse prognosis in patients. We describe the utility of next-generation sequencing (NGS) RNA analysis in detection of this uncommon ALK partner. Case Description: A 42-year-old male with cervical lymphadenopathy presented for excisional biopsy. Following a tissue diagnosis of ALCL, ALK+, RNA from the biopsy was extracted from Formalin-fixed paraffin-embedded (FFPE) tissue and prepared for Anchored Multiplex PCR using the Archer® FusionPlex® v2 assay, which employs unidirectional gene-specific primers using NGS to detect novel or unknown gene partners. Results: Histologic evaluation of the excised lymph node showed atypical cells, including “horseshoe/kidney”-shaped nuclei. Neoplastic cells were immunoreactive against CD30, ALK (diffuse, cytoplasmic), CD2, CD4, granzyme B, and TIA-1. A diagnosis of ALCL, ALK+ was made. The pattern of ALK immunostaining suggested a non-NPM1-associated ALK translocation pattern, prompting further investigation. NGS fusion analysis showed a translocation involving exon 7 of TRAF1 and exon 20 of ALK. Conclusion: ALK positivity suggests an overall favorable prognosis of ALCL as compared to ALK-negative cases. However, in the rare published cases of TRAF1-ALK, an aggressive clinical course has been observed, which may reflect the aggressive propensity of this particular fusion, as these cases appear to be refractory to standard chemotherapy and also to the first generation ALK inhibitors. This study highlights the advantage of using NGS in RNA-based fusion assays to detect rare translocations, which can be of some clinical importance in detecting rare but aggressive fusion partners of ALK. As these technologies become more available, there is potential to identify such changes and effectively stratify the prognosis of ALCL patients.
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Affiliation(s)
- Indu Agarwal
- Department of Pathology and Laboratory Medicine, NorthShore University HealthSystem, Evanston, IL, United States
| | - Linda Sabatini
- Department of Pathology and Laboratory Medicine, NorthShore University HealthSystem, Evanston, IL, United States
| | - Mir B Alikhan
- Department of Pathology and Laboratory Medicine, NorthShore University HealthSystem, Evanston, IL, United States
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19
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Nam Y, Hwang D, Kim N, Seo HS, Selim KB, Sim T. Identification of 1 H-pyrazolo[3,4-b]pyridine derivatives as potent ALK-L1196M inhibitors. J Enzyme Inhib Med Chem 2019; 34:1426-1438. [PMID: 31401883 PMCID: PMC6713165 DOI: 10.1080/14756366.2019.1639694] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Anaplastic lymphoma kinase (ALK) has been recognised as a promising molecular target of targeted therapy for NSCLC. We performed SAR study of pyrazolo[3,4-b]pyridines to override crizotinib resistance caused by ALK-L1196M mutation and identified a novel and potent L1196M inhibitor, 10g. 10g displayed exceptional enzymatic activities (<0.5 nM of IC50) against ALK-L1196M as well as against ALK-wt. In addition, 10g is an extremely potent inhibitor of ROS1 (<0.5 nM of IC50) and displays excellent selectivity over c-Met. Moreover, 10g strongly suppresses proliferation of ALK-L1196M-Ba/F3 and H2228 cells harbouring EML4-ALK via apoptosis and the ALK signalling blockade. The results of molecular docking studies reveal that, in contrast to crizotinib, 10g engages in a favourable interaction with M1196 in the kinase domain of ALK-L1196M and hydrogen bonding with K1150 and E1210. This SAR study has provided a useful insight into the design of novel and potent inhibitors against ALK gatekeeper mutant.
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Affiliation(s)
- Yunju Nam
- a KU-KIST Graduate School of Converging Science and Technology, Korea University , Seoul , Republic of Korea
| | - Dongkeun Hwang
- a KU-KIST Graduate School of Converging Science and Technology, Korea University , Seoul , Republic of Korea
| | - Namdoo Kim
- b NDBio Therapeutics Inc. , Incheon , Republic of Korea
| | - Hong-Seog Seo
- a KU-KIST Graduate School of Converging Science and Technology, Korea University , Seoul , Republic of Korea.,c Cardiovascular Center, Korea University Guro Hospital , Seoul , Republic of Korea
| | - Khalid B Selim
- d Chemical Kinomics Research Center, Korea Institute of Science and Technology (KIST) , Seoul , Republic of Korea.,e Department of Pharmaceutical Organic Chemistry, Mansoura University , Mansoura , Egypt
| | - Taebo Sim
- a KU-KIST Graduate School of Converging Science and Technology, Korea University , Seoul , Republic of Korea.,d Chemical Kinomics Research Center, Korea Institute of Science and Technology (KIST) , Seoul , Republic of Korea
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20
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Satou A, Bennani NN, Feldman AL. Update on the classification of T-cell lymphomas, Hodgkin lymphomas, and histiocytic/dendritic cell neoplasms. Expert Rev Hematol 2019; 12:833-843. [PMID: 31365276 DOI: 10.1080/17474086.2019.1647777] [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] [Indexed: 12/15/2022]
Abstract
Introduction: The classification of lymphomas is based on the postulated normal counterparts of lymphoid neoplasms and currently constitutes over 100 definite or provisional entities. As this number of entities implies, lymphomas show marked pathological, genetic, and clinical heterogeneity. Recent molecular findings have significantly advanced our understanding of lymphomas. Areas covered: The World Health Organization (WHO) classification of lymphoid neoplasms was updated in 2017. The present review summarizes the new findings that have been gained in the areas of mature T-cell neoplasms, Hodgkin lymphomas, and histiocytic/dendritic cell neoplasms since the publication of the 2017 WHO classification. Expert opinion: Although formal revisions to the WHO classification are published only periodically, our understanding of the pathologic, genetic, and clinical features of lymphoid neoplasms is constantly evolving, particularly in the age of -omics technologies and targeted therapeutics. Even in the relatively short time since the publication of the 2017 WHO classification, many significant findings have been identified in the entities covered in this review.
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Affiliation(s)
- Akira Satou
- Department of Laboratory Medicine and Pathology, Mayo Clinic , Rochester , MN , USA.,Department of Surgical Pathology, Aichi Medical University Hospital , Nagakute , Aichi , Japan
| | - N Nora Bennani
- Division of Hematology, Mayo Clinic , Rochester , MN , USA
| | - Andrew L Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic , Rochester , MN , USA
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21
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Janostiak R, Malvi P, Wajapeyee N. Anaplastic Lymphoma Kinase Confers Resistance to BRAF Kinase Inhibitors in Melanoma. iScience 2019; 16:453-467. [PMID: 31229894 PMCID: PMC6593146 DOI: 10.1016/j.isci.2019.06.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 05/14/2019] [Accepted: 06/01/2019] [Indexed: 01/21/2023] Open
Abstract
Melanoma frequently harbors oncogenic mutations in the BRAF gene, which drives melanoma growth. Therefore, BRAF kinase inhibitors (BRAFi) are developed and approved for treating BRAF-mutant melanoma. However, the efficacy of BRAFi is limited due to acquired resistance, and in over 40% of melanoma, the causes of BRAFi resistance remain unknown. Here, using a human phospho-receptor tyrosine kinase array we identified Anaplastic Lymphoma Kinase (ALK) as a driver of acquired BRAFi resistance in melanoma. We found that ALK ligand FAM150A was necessary for ALK activation and ALK via the PI3K/AKT pathway was sufficient to confer resistance to BRAFi. ALK inhibitor (ALKi) ceritinib inhibited BRAFi-resistant melanoma in cell culture and mice. Residual BRAFi and ALKi dual resistant melanoma cells from ceritinib-treated mice were sensitive to a broad-spectrum anti-apoptotic protein inhibitor, AT101. Collectively, our results provide a framework for treating BRAF-mutant melanoma that sequentially uses different targeted therapies based on post-treatment tumor evolution. ALK confers resistance to BRAF inhibitors in melanoma via the PI3K/AKT pathway Pharmacological inhibition of ALK inhibits BRAF inhibitor-resistant melanoma An ALK ligand, FAM150A, activates ALK in BRAF inhibitor-resistant melanoma BRAF inhibitor and ALK inhibitor dual resistant melanoma are sensitive to AT101
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Affiliation(s)
- Radoslav Janostiak
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Parmanand Malvi
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Narendra Wajapeyee
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06510, USA.
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22
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Takeuchi K. Discovery Stories of RET Fusions in Lung Cancer: A Mini-Review. Front Physiol 2019; 10:216. [PMID: 30941048 PMCID: PMC6433883 DOI: 10.3389/fphys.2019.00216] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 02/20/2019] [Indexed: 12/29/2022] Open
Abstract
In 2004, a chemical inhibitor of the kinase activity of EGFR was reported to be effective in a subset of lung cancer patients with activating somatic mutations of EGFR. It remained unclear, however, whether kinase fusion genes also play a major role in the pathogenesis of lung cancers. The discovery of the EML4-ALK fusion kinase in 2007 was a breakthrough for this situation, and kinase fusion genes now form a group of relevant targetable oncogenes in lung cancer. In this mini-review article, the discovery of REarrangement during Transfection fusions, the third kinase fusion gene in lung cancer, is briefly described.
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Affiliation(s)
- Kengo Takeuchi
- Division of Pathology, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan.,Pathology Project for Molecular Targets, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
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23
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Nikitski AV, Rominski SL, Wankhede M, Kelly LM, Panebianco F, Barila G, Altschuler DL, Nikiforov YE. Mouse Model of Poorly Differentiated Thyroid Carcinoma Driven by STRN-ALK Fusion. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:2653-2661. [PMID: 30125543 DOI: 10.1016/j.ajpath.2018.07.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/18/2018] [Accepted: 07/19/2018] [Indexed: 12/24/2022]
Abstract
Chromosomal rearrangements of the ALK gene, which lead to constitutive activation of ALK tyrosine kinase, are found in various cancers. In thyroid cancers, ALK fusions, most commonly the STRN-ALK fusion, are detected in papillary thyroid cancer and with higher frequency in poorly differentiated and anaplastic thyroid cancers. Our aim was to establish a mouse model of thyroid-specific expression of STRN-ALK and to test whether this fusion drives the development of thyroid cancer with a propensity for dedifferentiation. Transgenic Tg-STRN-ALK mice with thyroglobulin-controlled expression of STRN-ALK were generated and aged with or without goitrogen treatment. Thyroids from these mice were subjected to histologic and immunohistochemical analysis. Transgenic mice with thyroid-specific expression of STRN-ALK developed poorly differentiated thyroid tumors by the age of 12 months in 22% of mice without goitrogen treatment and in 36% of mice with goitrogen treatment. Histologically and immunohistochemically, the tumors resembled poorly differentiated thyroid cancers in humans, demonstrating a solid growth pattern with sheets of round or spindle-shaped cells, decreased expression of thyroglobulin, and a tendency to lose E-cadherin. In this study, we report a novel mouse model of poorly differentiated thyroid cancer driven by the STRN-ALK oncogene with phenotypic features closely recapitulating human tumor, and with a more pronounced phenotype after additional thyroid-stimulating hormone stimulation.
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Affiliation(s)
| | - Susan L Rominski
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Mamta Wankhede
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Lindsey M Kelly
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | - Guillermo Barila
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Daniel L Altschuler
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Yuri E Nikiforov
- Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania.
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Lobello C, Bikos V, Janikova A, Pospisilova S. The Role of Oncogenic Tyrosine Kinase NPM-ALK in Genomic Instability. Cancers (Basel) 2018; 10:cancers10030064. [PMID: 29510549 PMCID: PMC5876639 DOI: 10.3390/cancers10030064] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 02/20/2018] [Accepted: 02/27/2018] [Indexed: 12/16/2022] Open
Abstract
Genomic stability is crucial for cell life and transmitting genetic material is one of the primary tasks of the cell. The cell needs to be able to recognize any possible error and quickly repair it, and thus, cells have developed several mechanisms to detect DNA damage and promote repair during evolution. The DNA damage response (DDR) and DNA repair pathways ensure the control of possible errors that could impair the duplication of genetic information and introduce variants in the DNA. Endogenous and exogenous factors compromise genomic stability and cause dysregulation in the DDR and DNA repair pathways. Cancer cells often impair these mechanisms to overcome cellular barriers (cellular senescence and/or apoptosis), leading to malignancy. NPM (nucleophosmin)-ALK (anaplastic lymphoma kinase) is an oncogenic tyrosine kinase that is involved in the development of anaplastic large cell lymphoma (ALCL). NPM-ALK is known to be involved in the activation of proliferative and anti-apoptotic signaling pathways. New evidence reveals that NPM-ALK translocation also impairs the ability of cells to maintain the genomic stability through both DDR and DNA repair pathways. This review aims to highlight the role of the oncogenic tyrosine kinase NPM-ALK in the cell, and pointing to new possible therapeutic strategies.
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Affiliation(s)
- Cosimo Lobello
- Central European Institute of Technology (CEITEC), Masaryk University, Kamenice 5, 62500 Brno, Czech Republic.
| | - Vasilis Bikos
- Central European Institute of Technology (CEITEC), Masaryk University, Kamenice 5, 62500 Brno, Czech Republic.
| | - Andrea Janikova
- Department of Internal Medicine-Hematology and Oncology, University Hospital Brno, 62500 Brno, Czech Republic.
| | - Sarka Pospisilova
- Central European Institute of Technology (CEITEC), Masaryk University, Kamenice 5, 62500 Brno, Czech Republic.
- Department of Internal Medicine-Hematology and Oncology, University Hospital Brno, 62500 Brno, Czech Republic.
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Lin JJ, Riely GJ, Shaw AT. Targeting ALK: Precision Medicine Takes on Drug Resistance. Cancer Discov 2017; 7:137-155. [PMID: 28122866 PMCID: PMC5296241 DOI: 10.1158/2159-8290.cd-16-1123] [Citation(s) in RCA: 358] [Impact Index Per Article: 51.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 12/13/2016] [Accepted: 12/14/2016] [Indexed: 12/14/2022]
Abstract
Anaplastic lymphoma kinase (ALK) is a validated molecular target in several ALK-rearranged malignancies, including non-small cell lung cancer. However, the clinical benefit of targeting ALK using tyrosine kinase inhibitors (TKI) is almost universally limited by the emergence of drug resistance. Diverse mechanisms of resistance to ALK TKIs have now been discovered, and these basic mechanisms are informing the development of novel therapeutic strategies to overcome resistance in the clinic. In this review, we summarize the current successes and challenges of targeting ALK. SIGNIFICANCE Effective long-term treatment of ALK-rearranged cancers requires a mechanistic understanding of resistance to ALK TKIs so that rational therapies can be selected to combat resistance. This review underscores the importance of serial biopsies in capturing the dynamic therapeutic vulnerabilities within a patient's tumor and offers a perspective into the complexity of on-target and off-target ALK TKI resistance mechanisms. Therapeutic strategies that can successfully overcome, and potentially prevent, these resistance mechanisms will have the greatest impact on patient outcome. Cancer Discov; 7(2); 137-55. ©2017 AACR.
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Affiliation(s)
- Jessica J Lin
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts
| | - Gregory J Riely
- Memorial Sloan Kettering Cancer Center, Weill Cornell Medical College, New York, New York
| | - Alice T Shaw
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts.
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Holla VR, Elamin YY, Bailey AM, Johnson AM, Litzenburger BC, Khotskaya YB, Sanchez NS, Zeng J, Shufean MA, Shaw KR, Mendelsohn J, Mills GB, Meric-Bernstam F, Simon GR. ALK: a tyrosine kinase target for cancer therapy. Cold Spring Harb Mol Case Stud 2017; 3:a001115. [PMID: 28050598 PMCID: PMC5171696 DOI: 10.1101/mcs.a001115] [Citation(s) in RCA: 111] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The anaplastic lymphoma kinase (ALK) gene plays an important physiologic role in the development of the brain and can be oncogenically altered in several malignancies, including non-small-cell lung cancer (NSCLC) and anaplastic large cell lymphomas (ALCL). Most prevalent ALK alterations are chromosomal rearrangements resulting in fusion genes, as seen in ALCL and NSCLC. In other tumors, ALK copy-number gains and activating ALK mutations have been described. Dramatic and often prolonged responses are seen in patients with ALK alterations when treated with ALK inhibitors. Three of these—crizotinib, ceritinib, and alectinib—are now FDA approved for the treatment of metastatic NSCLC positive for ALK fusions. However, the emergence of resistance is universal. Newer ALK inhibitors and other targeting strategies are being developed to counteract the newly emergent mechanism(s) of ALK inhibitor resistance. This review outlines the recent developments in our understanding and treatment of tumors with ALK alterations.
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Affiliation(s)
- Vijaykumar R Holla
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Yasir Y Elamin
- Department of Thoracic/Head and Neck, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Ann Marie Bailey
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Amber M Johnson
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Beate C Litzenburger
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Yekaterina B Khotskaya
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Nora S Sanchez
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Jia Zeng
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Md Abu Shufean
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Kenna R Shaw
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - John Mendelsohn
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.,Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Gordon B Mills
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.,Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Funda Meric-Bernstam
- Sheikh Khalifa Bin Zayed Al Nahyan Institute for Personalized Cancer Therapy, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.,Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.,Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - George R Simon
- Department of Thoracic/Head and Neck, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
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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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Palacios G, Shaw TI, Li Y, Singh RK, Valentine M, Sandlund JT, Lim MS, Mullighan CG, Leventaki V. Novel ALK fusion in anaplastic large cell lymphoma involving EEF1G, a subunit of the eukaryotic elongation factor-1 complex. Leukemia 2016; 31:743-747. [PMID: 27840423 DOI: 10.1038/leu.2016.331] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- G Palacios
- Department of Pathology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - T I Shaw
- Department of Computational Biology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Y Li
- Department of Computational Biology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - R K Singh
- Department of Pathology and Immunology, Baylor College of Medicine, Houston, TX, USA
| | - M Valentine
- Department of Cytogenetics, St Jude Children's Research Hospital, Memphis, TN, USA
| | - J T Sandlund
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - M S Lim
- Department of Pathology, University of Pennsylvania, Philadelphia, PA, USA
| | - C G Mullighan
- Department of Pathology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - V Leventaki
- Department of Pathology, St Jude Children's Research Hospital, Memphis, TN, USA
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Mansfield AS, Murphy SJ, Harris FR, Robinson SI, Marks RS, Johnson SH, Smadbeck JB, Halling GC, Yi ES, Wigle D, Vasmatzis G, Jen J. Chromoplectic TPM3-ALK rearrangement in a patient with inflammatory myofibroblastic tumor who responded to ceritinib after progression on crizotinib. Ann Oncol 2016; 27:2111-2117. [PMID: 27742657 PMCID: PMC5091324 DOI: 10.1093/annonc/mdw405] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 08/11/2016] [Indexed: 01/17/2023] Open
Abstract
Ceritinib resulted in a significant, durable response of a metastatic inflammatory myofibroblastic tumor (IMT) after failure of crizotinib. A chromoplectic TPM3–ALK rearrangement involving many known oncogenes was found in the residual IMT. Ceritinib may be useful for patients with IMT after failure of crizotinib, and chromoplexy may have a role in the oncogenesis or treatment resistance of IMTs. Background Inflammatory myofibroblastic tumors (IMTs) are rare sarcomas that can occur at any age. Surgical resection is the primary treatment for patients with localized disease; however, these tumors frequently recur. Less commonly, patients with IMTs develop or present with metastatic disease. There is no standard of care for these patients and traditional cytotoxic therapy is largely ineffective. Most IMTs are associated with oncogenic ALK, ROS1 or PDGFRβ fusions and may benefit from targeted therapy. Patient and methods We sought to understand the genomic abnormalities of a patient who presented for management of metastatic IMT after progression of disease on crizotinib and a significant and durable partial response to the more potent ALK inhibitor ceritinib. Results The residual IMT was resected based on the recommendations of a multidisciplinary tumor sarcoma tumor board and analyzed by whole-genome mate pair sequencing. Analysis of the residual, resected tumor identified a chromoplectic TPM3–ALK rearrangement that involved many other known oncogenes and was confirmed by rtPCR. Conclusions In our analysis of the treatment-resistant, residual IMT, we identified a complex pattern of genetic rearrangements consistent with chromoplexy. Although it is difficult to know for certain if these chromoplectic rearrangements preceded treatment, their presence suggests that chromoplexy has a role in the oncogenesis of IMTs. Furthermore, this patient's remarkable response suggests that ceritinib should be considered as an option after progression on crizotinib for patients with metastatic or unresectable IMT and ALK mutations.
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Affiliation(s)
- A S Mansfield
- Division of Medical Oncology, Department of Oncology
| | - S J Murphy
- Biomarker Discovery Program, Center of Individualized Medicine, Department of Molecular Medicine
| | - F R Harris
- Biomarker Discovery Program, Center of Individualized Medicine, Department of Molecular Medicine
| | - S I Robinson
- Division of Medical Oncology, Department of Oncology
| | - R S Marks
- Division of Medical Oncology, Department of Oncology
| | - S H Johnson
- Biomarker Discovery Program, Center of Individualized Medicine, Department of Molecular Medicine
| | - J B Smadbeck
- Biomarker Discovery Program, Center of Individualized Medicine, Department of Molecular Medicine
| | - G C Halling
- Biomarker Discovery Program, Center of Individualized Medicine, Department of Molecular Medicine
| | - E S Yi
- Department of Laboratory Medicine and Pathology
| | | | - G Vasmatzis
- Biomarker Discovery Program, Center of Individualized Medicine, Department of Molecular Medicine
| | - J Jen
- Division of Experimental Pathology and Laboratory Medicine, Department of Laboratory Medicine and Pathology.,Medical Genome Facility.,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Mayo Clinic, Rochester, USA
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Abstract
In the literature, sufficient attention has not been paid to the precise subcellular localization of immunohistochemical signals, the knowledge of which is essential for proper interpretation of immunostains and distinction of genuine staining from biotin-associated or other nonspecific stainings. The subcellular localization of the signals can in fact be easily deduced from the known biologic or ultrastructural characteristics of the antigens. Extracellular antigens obviously are located in the extracellular compartment. Cellular antigens fall into 3 major groups: membranous, nuclear, and cytoplasmic. Membranous antigens include cell adhesion molecules (such as E-cadherin, N-CAM), cell surface/transmembrane receptors and proteins (such as tyrosine kinase receptors, most leukocyte antigens, CD10, CEA), and molecules linking surface molecules to cytoskeleton (such as β-catenin, dystrophin). Nuclear antigens include cell cycle-associated proteins (such as cyclins, p16, Ki-67), nuclear enzymes (such as TdT), transcription factors (such as TTF-1, CDX-2, myogenin, PAX-5), tumor suppressor gene products (such as p53, p63, WT1, Rb), steroid hormone receptors (such as ER, PR), calcium-binding proteins (such as S-100 protein, calretinin), and some viral proteins (such as CMV, herpes). Cytoplasmic antigens can take up a granular pattern due to localization in organelles, granules, or secretory vesicles (such as chromogranin, hormones, lysozyme, HMB-45), fibrillary pattern attributable to the filamentous nature of the molecules (intermediate filaments and microfilaments), or diffuse or patchy pattern due to localization in the cytosol or large vesicles (such as myoglobin, albumin, thyroglobulin). Aberrant localization of the molecules, when present, can provide important insight into disease processes and aid in their diagnosis, such as loss of membranous E-cadherin expression in lobular breast carcinoma, aberrant nuclear localization of β-catenin in colorectal adenocarcinoma, pattern of ALK staining in anaplastic large cell lymphoma correlating with the different types of chromosomal translocations, presence of additional cytoplasmic CD10 staining in the enterocytes indicative of microvillous inclusion disease, and “reversed” staining for EMA in micropapillary mammary carcinoma.
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Affiliation(s)
- W Cheuk
- Department of Pathology, Queen Elizabeth Hospital, Hong Kong
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Katayama R, Lovly CM, Shaw AT. Therapeutic targeting of anaplastic lymphoma kinase in lung cancer: a paradigm for precision cancer medicine. Clin Cancer Res 2016; 21:2227-35. [PMID: 25979929 DOI: 10.1158/1078-0432.ccr-14-2791] [Citation(s) in RCA: 202] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The anaplastic lymphoma kinase (ALK) receptor tyrosine kinase was initially discovered as a component of the fusion protein nucleophosmin (NPM)-ALK in anaplastic large-cell lymphoma (ALCL). Genomic alterations in ALK, including rearrangements, point mutations, and genomic amplification, have now been identified in several malignancies, including lymphoma, non-small cell lung cancer (NSCLC), neuroblastoma, inflammatory myofibroblastic tumor, and others. Importantly, ALK serves as a validated therapeutic target in these diseases. Several ALK tyrosine kinase inhibitors (TKI), including crizotinib, ceritinib, and alectinib, have been developed, and some of them have already been approved for clinical use. These ALK inhibitors have all shown remarkable clinical outcomes in ALK-rearranged NSCLC. Unfortunately, as is the case for other kinase inhibitors in clinical use, sensitive tumors inevitably relapse due to acquired resistance. This review focuses on the discovery, function, and therapeutic targeting of ALK, with a particular focus on ALK-rearranged NSCLC.
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Affiliation(s)
- Ryohei Katayama
- Cancer Chemotherapy Center, Japanese Foundation for Cancer Research, Tokyo, Japan.
| | | | - Alice T Shaw
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts. Department of Medicine, Harvard Medical School, Boston, Massachusetts
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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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Xing X, Feldman AL. Anaplastic large cell lymphomas: ALK positive, ALK negative, and primary cutaneous. Adv Anat Pathol 2015; 22:29-49. [PMID: 25461779 DOI: 10.1097/pap.0000000000000047] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Anaplastic large cell lymphomas (ALCLs) comprise a group of CD30-positive non-Hodgkin lymphomas that generally are of T-cell origin and share common morphologic and phenotypic characteristics. The World Health Organization recognizes 3 entities: primary cutaneous ALCL (pcALCL), anaplastic lymphoma kinase (ALK)-positive ALCL, and, provisionally, ALK-negative ALCL. Despite overlapping pathologic features, these tumors differ in clinical behavior and genetics. pcALCL presents in the skin and, while it may involve locoregional lymph nodes, rarely disseminates. Outcomes typically are excellent. ALK-positive ALCL and ALK-negative ALCL are systemic diseases. ALK-positive ALCLs consistently have chromosomal rearrangements involving the ALK gene with varied gene partners, and generally have a favorable prognosis. ALK-negative ALCLs lack ALK rearrangements and their genetic and clinical features are more variable. A subset of ALK-negative ALCLs has rearrangements in or near the DUSP22 gene and has a favorable prognosis similar to that of ALK-positive ALCL. DUSP22 rearrangements also are seen in a subset of pcALCLs. In this review, we discuss the clinical, morphologic, phenotypic, genetic, and biological features of ALCLs.
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Abstract
T-cell neoplasms include both mature T-cell leukemias and lymphomas and immature proliferations of precursor T cells. Molecular laboratories routinely assay suspected T-cell proliferations for evidence of clonality. In addition, some T-cell neoplasms are characterized by recurrent structural abnormalities that can be readily identified by such techniques as fluorescence in situ hybridization. New massively parallel sequencing technologies have led to the identification of numerous recurrent gene mutations in T-cell neoplasms. These findings are reviewed. As new technologies become implemented in molecular diagnostic laboratories and as targeted therapies are developed, it is anticipated that more extensive genomic characterization of T-cell neoplasms will be routinely performed in the future.
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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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Gao J, Yin M, Zhu Y, Gu L, Zhang Y, Li Q, Jia C, Ma Z. Prognostic significance and therapeutic potential of the activation of anaplastic lymphoma kinase/protein kinase B/mammalian target of rapamycin signaling pathway in anaplastic large cell lymphoma. BMC Cancer 2013; 13:471. [PMID: 24112608 PMCID: PMC3852000 DOI: 10.1186/1471-2407-13-471] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Accepted: 10/04/2013] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Activation of the protein kinase B/mammalian target of rapamycin (AKT/mTOR) pathway has been demonstrated to be involved in nucleophosmin-anaplastic lymphoma kinase (NPM-ALK)-mediated tumorigenesis in anaplastic large cell lymphoma (ALCL) and correlated with unfavorable outcome in certain types of other cancers. However, the prognostic value of AKT/mTOR activation in ALCL remains to be fully elucidated. In the present study, we aim to address this question from a clinical perspective by comparing the expressions of the AKT/mTOR signaling molecules in ALCL patients and exploring the therapeutic significance of targeting the AKT/mTOR pathway in ALCL. METHODS A cohort of 103 patients with ALCL was enrolled in the study. Expression of ALK fusion proteins and the AKT/mTOR signaling phosphoproteins was studied by immunohistochemical (IHC) staining. The pathogenic role of ALK fusion proteins and the therapeutic significance of targeting the ATK/mTOR signaling pathway were further investigated in vitro study with an ALK + ALCL cell line and the NPM-ALK transformed BaF3 cells. RESULTS ALK expression was detected in 60% of ALCLs, of which 79% exhibited the presence of NPM-ALK, whereas the remaining 21% expressed variant-ALK fusions. Phosphorylation of AKT, mTOR, 4E-binding protein-1 (4E-BP1), and 70 kDa ribosomal protein S6 kinase polypeptide 1 (p70S6K1) was detected in 76%, 80%, 91%, and 93% of ALCL patients, respectively. Both phospho-AKT (p-AKT) and p-mTOR were correlated to ALK expression, and p-mTOR was closely correlated to p-AKT. Both p-4E-BP1 and p-p70S6K1 were correlated to p-mTOR, but were not correlated to the expression of ALK and p-AKT. Clinically, ALK + ALCL occurred more commonly in younger patients, and ALK + ALCL patients had a much better prognosis than ALK-ALCL cases. However, expression of p-AKT, p-mTOR, p-4E-BP1, or p-p70S6K1 did not have an impact on the clinical outcome. Overexpression of NPM-ALK in a nonmalignant murine pro-B lymphoid cell line, BaF3, induced the cells to become cytokine-independent and resistant to glucocorticoids (GCs). Targeting AKT/mTOR inhibited growth and triggered the apoptotic cell death of ALK + ALCL cells and NPM-ALK transformed BaF3 cells, and also reversed GC resistance induced by overexpression of NPM-ALK. CONCLUSIONS Overexpression of ALK due to chromosomal translocations is seen in the majority of ALCL patients and endows them with a much better prognosis. The AKT/mTOR signaling pathway is highly activated in ALK + ALCL patients and targeting the AKT/mTOR signaling pathway might confer a great therapeutic potential in ALCL.
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Affiliation(s)
- Ju Gao
- Department of Pediatrics, West China Second University Hospital, Sichuan University, Section 3, 20 S, Renmin Road, Chengdu 610041, China.
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Takeuchi K, Soda M, Togashi Y, Sugawara E, Hatano S, Asaka R, Okumura S, Nakagawa K, Mano H, Ishikawa Y. Pulmonary inflammatory myofibroblastic tumor expressing a novel fusion, PPFIBP1-ALK: reappraisal of anti-ALK immunohistochemistry as a tool for novel ALK fusion identification. Clin Cancer Res 2011; 17:3341-8. [PMID: 21430068 DOI: 10.1158/1078-0432.ccr-11-0063] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
PURPOSE The anaplastic lymphoma kinase (ALK) inhibitor crizotinib has been used in patients with lung cancer or inflammatory myofibroblastic tumor (IMT), both types harboring ALK fusions. However, detection of some ALK fusions is problematic with conventional anti-ALK immunohistochemistry because of their low expression. By using sensitive immunohistochemistry, therefore, we reassessed "ALK-negative" IMT cases defined with conventional immunohistochemistry (approximately 50% of all examined cases). EXPERIMENTAL DESIGN Two cases of ALK-negative IMT defined with conventional anti-ALK immunohistochemistry were further analyzed with sensitive immunohistochemistry [the intercalated antibody-enhanced polymer (iAEP) method]. RESULTS The two "ALK-negative" IMTs were found positive for anti-ALK immunohistochemistry with the iAEP method. 5'-rapid amplification of cDNA ends identified a novel partner of ALK fusion, protein-tyrosine phosphatase, receptor-type, F polypeptide-interacting protein-binding protein 1 (PPFIBP1) in one case. The presence of PPFIBP1-ALK fusion was confirmed with reverse transcriptase PCR, genomic PCR, and FISH. We confirmed the transforming activities of PPFIBP1-ALK with a focus formation assay and an in vivo tumorigenicity assay by using 3T3 fibroblasts infected with a recombinant retrovirus encoding PPFIBP1-ALK. Surprisingly, the fusion was also detected by FISH in the other case. CONCLUSIONS Sensitive immunohistochemical methods such as iAEP will broaden the potential value of immunohistochemistry. The current ALK positivity rate in IMT should be reassessed with a more highly sensitive method such as iAEP to accurately identify those patients who might benefit from ALK-inhibitor therapies. Novel ALK fusions are being identified in various tumors in addition to IMT, and thus a reassessment of other "ALK-negative" cancers may be required in the forthcoming era of ALK-inhibitor therapy.
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Affiliation(s)
- Kengo Takeuchi
- Pathology Project for Molecular Targets, Division of Pathology, Thoracic Center, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan.
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Conditional TPM3-ALK and NPM-ALK transgenic mice develop reversible ALK-positive early B-cell lymphoma/leukemia. Blood 2010; 115:4061-70. [DOI: 10.1182/blood-2008-06-163386] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
NPM-ALK (nucleophosmin-anaplastic lymphoma kinase) and TPM3-ALK (nonmuscular tropomyosin 3-anaplastic lymphoma kinase) are oncogenic tyrosine kinases implicated in the pathogenesis of human ALK-positive lymphoma. We report here the development of novel conditional mouse models for ALK-induced lymphomagenesis, with the use of the tetracycline regulatory system under the control of the EμSRα enhancer/promoter. The expression of either oncogene resulted in the arrest of the differentiation of early B cells and lymphomagenesis. We also observed the development of skin keratoacanthoma lesions, probably because of aberrant ALK expression in keratinocytes. The inactivation of the ALK oncogene on doxycycline treatment was sufficient to induce sustained regression of both hematopoietic tumors and skin disease. Importantly, treatment with the specific ALK inhibitor (PF-2341066) also reversed the pathologic states, showing the value of these mouse models for the validation of ALK tyrosine kinase inhibitors. Thus, our results show (1) that NPM-ALK and TPM3-ALK oncogenes are sufficient for lymphoma/leukemia development and required for tumor maintenance, hence validating ALK as potentially effective therapeutic target; and (2) for the first time, in vivo, the equal tumorigenic potential of the NPM-ALK and TPM3-ALK oncogenic tyrosine kinases. Our models offer a new tool to investigate in vivo the molecular mechanisms associated with ALK-induced lymphoproliferative disorders.
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Ordóñez JL, Osuna D, Herrero D, de Alava E, Madoz-Gúrpide J. Advances in Ewing's sarcoma research: where are we now and what lies ahead? Cancer Res 2009; 69:7140-50. [PMID: 19738075 DOI: 10.1158/0008-5472.can-08-4041] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Ewing's sarcoma family tumors (EFT) are characterized by specific chromosomal translocations, which lead to EWS/ETS transcription factors. Elucidation of EWS/ETS target gene networks within the context of other signaling pathways, together with the identification of the initiating cell, and the development of genetically engineered mice will hopefully lead to biology-based therapeutic strategies for these tumors.
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Affiliation(s)
- José Luis Ordóñez
- Laboratory of Molecular Pathology of Sarcomas, Centro de Investigación del Cáncer-Instituto de Biología Molecular y Celular del Cáncer (IBMCC), Universidad de Salamanca-CSIC, Salamanca, Spain
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Abstract
RTKs (receptor tyrosine kinases) play important roles in cellular proliferation and differentiation. In addition, RTKs reveal oncogenic potential when their kinase activities are constitutively enhanced by point mutation, amplification or rearrangement of the corresponding genes. The ALK (anaplastic lymphoma kinase) RTK was originally identified as a member of the insulin receptor subfamily of RTKs that acquires transforming capability when truncated and fused to NPM (nucleophosmin) in the t(2;5) chromosomal rearrangement associated with ALCL (anaplastic large cell lymphoma). To date, many chromosomal rearrangements leading to enhanced ALK activity have been described and are implicated in a number of cancer types. Recent reports of the EML4 (echinoderm microtubule-associated protein like 4)–ALK oncoprotein in NSCLC (non-small cell lung cancer), together with the identification of activating point mutations in neuroblastoma, have highlighted ALK as a significant player and target for drug development in cancer. In the present review we address the role of ALK in development and disease and discuss implications for the future.
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Shinmura K, Kageyama S, Tao H, Bunai T, Suzuki M, Kamo T, Takamochi K, Suzuki K, Tanahashi M, Niwa H, Ogawa H, Sugimura H. EML4-ALK fusion transcripts, but no NPM-, TPM3-, CLTC-, ATIC-, or TFG-ALK fusion transcripts, in non-small cell lung carcinomas. Lung Cancer 2008; 61:163-9. [PMID: 18242762 DOI: 10.1016/j.lungcan.2007.12.013] [Citation(s) in RCA: 143] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2007] [Revised: 12/10/2007] [Accepted: 12/10/2007] [Indexed: 12/13/2022]
Abstract
EML4-ALK gene fusions have recently been discovered in a subset of human lung carcinomas, and fusions of the ALK tyrosine kinase gene with the NPM, TPM3, CLTC, ATIC, and TFG genes have been found in hematological malignancies. To elucidate the role of fusions between ALK and other genes in pulmonary carcinogenesis, we examined 77 non-small cell lung carcinomas (NSCLCs) for EML4-, NPM-, TPM3-, CLTC-, ATIC-, and TFG-ALK fusion transcripts by RT-PCR and subsequent sequencing analysis. Although no expression of NPM-, TPM3-, CLTC-, ATIC-, or TFG-ALK fusion transcripts were detected in any of the cases, expression of EML4-ALK fusion transcripts was detected in two (2.6%) of the 77 NSCLCs. In one of the two NSCLCs there was fusion between exon 13 of EML4 and exon 20 of ALK, i.e., variant 1, and in the other there was fusion between exon 20 of EML4 and exon 20 of ALK, i.e., variant 2. Both patients had a history of smoking, and histologically the carcinomas were adenocarcinoma. No somatic mutations were detected in the mutation cluster regions of the EGFR, K-RAS, and PIK3CA genes in these two carcinomas, however, a Pro177Ser mutation of the p53 gene was detected in the carcinoma that contained the variant 1 EML4-ALK fusion transcripts. In situ PCR of a paraffin block section showed that the carcinoma with expression of the variant 1 actually contained an EML4-ALK fusion gene. These results suggested that the EML4-ALK fusion gene product is involved in the carcinogenesis of a subset of NSCLCs.
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Affiliation(s)
- Kazuya Shinmura
- 1st Department of Pathology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi Ward, Hamamatsu 431-3192, Japan
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Droc C, Cualing HD, Kadin ME. Need for an improved molecular/genetic classification for CD30+ lymphomas involving the skin. Cancer Control 2007; 14:124-32. [PMID: 17387297 DOI: 10.1177/107327480701400205] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND The spectrum of diseases that constitute the CD30+ lymphomas, with lymphomatoid papulosis (LyP) at one end, and anaplastic large-cell lymphoma (ALCL) at the other end, shows variable morphology, immunophenotype, and clinical behavior. The border between these diseases is sometimes difficult to establish and there are many grey zones in their classification. METHODS We reviewed the clinical and research literature and guided by our experiences attempted to discern molecular and phenotypic criteria to improve the classification and identify molecular targets for therapy of CD30-positive cutaneous lymphomas. RESULTS Functional studies of ALCL cell lines clonally derived from LyP have revealed loss of growth inhibition by transforming growth factor beta (TGF-beta), due to TGF-beta receptor mutations. Studies of genetic variants of the CD30 promoter showed distinct microsatellite alleles associated with development of LyP and lymphoma progression. Studies of LyP and cutaneous ALCL tissues and cell lines suggest a dual role for CD30/CD30 ligand interactions in regression of LyP and progression to lymphoma. CD30 signaling activates NF-kappaB in cell lines derived from cutaneous ALCL but not anaplastic lymphoma kinase (ALK)-positive systemic ALCL in which growth arrest occurs through cell cycle inhibitor p21WAF1/Cip1. Other likely biomarkers of disease progression include differential expression of Bcl-2, fascin, cutaneous lymphocyte antigen, and T-cell receptor clonality. These may lead to improved classification, diagnoses, and therapeutic targets. CONCLUSIONS The current clinicopathologic classification of CD30+ cutaneous lymphoproliferative disorders is insufficient. Incorporating genetic and molecular criteria would better define the borders between benign/ malignant and aggressive/nonaggressive disorders.
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Affiliation(s)
- Claudia Droc
- Hematopathology and Laboratory Medicine Program, H. Lee Moffitt Cancer Center & Research Institute, 12902 Magnolia Drive, Tampa, FL 33612, USA
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Lamant L, de Reyniès A, Duplantier MM, Rickman DS, Sabourdy F, Giuriato S, Brugières L, Gaulard P, Espinos E, Delsol G. Gene-expression profiling of systemic anaplastic large-cell lymphoma reveals differences based on ALK status and two distinct morphologic ALK+ subtypes. Blood 2006; 109:2156-64. [PMID: 17077326 DOI: 10.1182/blood-2006-06-028969] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Abstract
With the use of microarray gene-expression profiling, we analyzed a homogeneous series of 32 patients with systemic anaplastic large-cell lymphoma (ALCL) and 5 ALCL cell lines. Unsupervised analysis classified ALCL in 2 clusters, corresponding essentially to morphologic subgroups (ie, common type vs small cell and “mixed” variants) and clinical variables. Patients with a morphologic variant of ALCL had advanced-stage disease. This group included a significant number of patients who experienced early relapse. Supervised analysis showed that ALK+ALCL and ALK− ALCL have different gene-expression profiles, further confirming that they are different entities. Among the most significantly differentially expressed genes between ALK+ and ALK− samples, we found BCL6, PTPN12, CEBPB, and SERPINA1 genes to be overexpressed in ALK+ ALCL. This result was confirmed at the protein level for BCL-6, C/EBPβ and serpinA1 through tissue microarrays. The molecular signature of ALK− ALCL included overexpression of CCR7, CNTFR, IL22, and IL21 genes but did not provide any obvious clues to the molecular mechanism underlying this tumor subtype. Once confirmed on a larger number of patients, the results of the present study could be used for clinical and therapeutic management of patients at the time of diagnosis.
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MESH Headings
- Anaplastic Lymphoma Kinase
- Cell Line, Tumor
- Cell Shape
- Gene Expression Profiling
- Gene Expression Regulation, Neoplastic
- Humans
- Immunohistochemistry
- Lymphoma, Large-Cell, Anaplastic/classification
- Lymphoma, Large-Cell, Anaplastic/enzymology
- Lymphoma, Large-Cell, Anaplastic/genetics
- Lymphoma, Large-Cell, Anaplastic/pathology
- Protein-Tyrosine Kinases/genetics
- Protein-Tyrosine Kinases/metabolism
- RNA, Messenger/genetics
- Receptor Protein-Tyrosine Kinases
- Tissue Array Analysis
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Affiliation(s)
- Laurence Lamant
- Institut National de la Santé et de la Recherche Médicale (INSERM) U563 Centre de physiopathologie Toulouse Purpan, Toulouse, France
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Lim MS, Elenitoba-Johnson KSJ. Mass Spectrometry-based Proteomic Studies of Human Anaplastic Large Cell Lymphoma. Mol Cell Proteomics 2006; 5:1787-98. [PMID: 16785248 DOI: 10.1074/mcp.r600005-mcp200] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Malignant lymphomas are a diverse group of malignant neoplasms that arise as a result of a complex interplay of multiple factors including genetic aberrations, immunosuppression, and exposure to noxious agents such as ionizing radiation and chemical agents. Anaplastic large cell lymphoma (ALCL) is an aggressive T-lineage lymphoma harboring chromosomal translocations involving the anaplastic lymphoma kinase (ALK) tyrosine kinase. The most common translocation in ALCL is the t(2;5)(p23;q35). This results in the formation of a chimeric fusion kinase, nucleophosmin/ALK. Nucleophosmin/ALK activates numerous downstream signaling pathways resulting in enhanced survival and proliferation. Using a variety of mass spectrometry-driven proteomic strategies, we have studied several aspects of the ALCL proteome. In this review, we provide a summary of mass spectrometry-based proteomic studies that expands the current understanding of the molecular pathogenesis of ALCL and provides the basis for the identification of biomarkers and targets for novel therapeutic agents.
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Affiliation(s)
- Megan S Lim
- Department of Pathology and Associated Regional and University Pathologists Institute for Clinical and Experimental Pathology, University of Utah Health Sciences Center, Salt Lake City, 84132, USA.
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Turner SD, Alexander DR. Fusion tyrosine kinase mediated signalling pathways in the transformation of haematopoietic cells. Leukemia 2006; 20:572-82. [PMID: 16482213 DOI: 10.1038/sj.leu.2404125] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The fusion tyrosine kinases (FTKs) are generated by chromosomal translocations creating bipartite proteins in which the kinase is hyperactivated by an adjoining oligomerization domain. Autophosphorylation of the FTK generates a 'signalosome', an ensemble of signalling proteins that transduce signals to downstream pathways. At the earliest stages of oncogenesis, FTKs can mimic mitogenic cytokine signalling pathways involving the GAB-2 adaptor protein and signal transducers and activators of transcription (STAT) factors, generating replicative stress and thereby promoting a mutator phenotype. In parallel, FTKs couple to survival pathways that upregulate prosurvival proteins such as Bcl-xL, so preventing DNA-damage-induced apoptosis. Following transformation, FTKs induce resistance to genotoxic attack by upregulating DNA repair mechanisms such as STAT5-dependent RAD51 transcription. The phenomenon of 'oncogene addiction' reflects the continued requirement of an active FTK 'signalosome' to mediate survival and mitogenic signals involving the PI 3-kinase and mitogen-activated protein stress-activated protein kinase pathways, and the nuclear factor-kappa B, activator protein 1 and STAT transcription factors. The available data so far suggest that FTKs, with some possible exceptions, induce and maintain the transformed state using similar panoplies of signals, a finding with important therapeutic implications. The FTK signalling field has matured to an exciting phase in which rapid advances are facilitating rational drug design.
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Affiliation(s)
- S D Turner
- Department of Pathology, Division of Molecular Histopathology, University of Cambridge, Lab Block Level 3, Addenbrooke's Hospital, Cambridge, UK.
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Armstrong F, Duplantier MM, Trempat P, Hieblot C, Lamant L, Espinos E, Racaud-Sultan C, Allouche M, Campo E, Delsol G, Touriol C. Differential effects of X-ALK fusion proteins on proliferation, transformation, and invasion properties of NIH3T3 cells. Oncogene 2005; 23:6071-82. [PMID: 15208656 DOI: 10.1038/sj.onc.1207813] [Citation(s) in RCA: 99] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Majority of anaplastic large-cell lymphomas (ALCLs) are associated with the t(2;5)(p23;q35) translocation, fusing the NPM (nucleophosmin) and ALK (anaplastic lymphoma kinase) genes (NPM-ALK). Recent studies demonstrated that ALK may also be involved in variant translocations, namely, t(1;2)(q25;p23), t(2;3)(p23;q21), t(2;17)(p23;q23) and inv(2)(p23q35), which create the TPM3-ALK, TFG-ALK5, CLTC-ALK, and ATIC-ALK fusion genes, respectively. Although overexpression of NPM-ALK has previously been shown to transform fibroblasts, the transforming potential of variant X-ALK proteins has not been precisely investigated. We stably transfected the cDNAs coding for NPM-ALK, TPM3-ALK, TFG-ALK, CLTC-ALK or ATIC-ALK into nonmalignant NIH3T3 cells. All X-ALK variants are tyrosine phosphorylated and their subcellular distribution was in agreement with that observed in tumors. Moreover, our results show that the in vitro transforming capacity of NIH3T3-transfected cells are in relation to the level of X-ALK fusion proteins excepted for TPM3-ALK for which there is an inverse correlation. The differences between the five X-ALK variants with regard to proliferation rate, colony formation in soft agar, invasion, migration through the endothelial barrier and tumorigenicity seem to be due to differential activation of various signaling pathways such as PI3-kinase/AKT. These findings may have clinical implications in the pathogenesis and prognosis of ALK-positive ALCLs.
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Affiliation(s)
- Florence Armstrong
- Inserm U.563, Centre de Physiopathologie de Toulouse-Purpan, Department of 'Oncogenesis and Signaling in Hematopoietic cells', Toulouse, France
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Sebire NJ, Malone M, Ramsay AD. Posttransplant lymphoproliferative disorder presenting as CD30+, ALK+, anaplastic large cell lymphoma in a child. Pediatr Dev Pathol 2004; 7:290-3. [PMID: 15148593 DOI: 10.1007/s10024-003-9094-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2003] [Accepted: 01/13/2004] [Indexed: 11/30/2022]
Abstract
We report a 15-year-old cardiac transplant recipient who developed a monomorphic posttransplant lymphoproliferative disorder (PTLPD) which demonstrated morphological and immunohistochemical features of anaplastic large cell lymphoma including CD30 and anaplastic lymphoma kinase (ALK) immunopositivity but lacking the commonly associated t(2;5) translocation. The neoplastic cells were Epstein-Barr Virus (EBV)-negative. T-cell PTLPD is an uncommon but recognized late complication in solid organ transplant recipients. This is the first reported case, to our knowledge, of PTLPD occurring in childhood with an ALK+, CD30+ anaplastic large cell lymphoma phenotype.
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Affiliation(s)
- Neil J Sebire
- Department of Histopathology, Great Ormond Street Hospital, Great Ormond Street, London WC1N 3JH, UK
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Ouyang T, Bai RY, Bassermann F, von Klitzing C, Klumpen S, Miething C, Morris SW, Peschel C, Duyster J. Identification and characterization of a nuclear interacting partner of anaplastic lymphoma kinase (NIPA). J Biol Chem 2003; 278:30028-36. [PMID: 12748172 DOI: 10.1074/jbc.m300883200] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Anaplastic large-cell lymphoma is a subtype of non-Hodgkin lymphomas characterized by the expression of CD30. More than half of these lymphomas carry a chromosomal translocation t(2;5) leading to expression of the oncogenic tyrosine kinase nucleophosmin-anaplastic lymphoma kinase (NPM-ALK). NPM-ALK is capable of transforming fibroblasts and lymphocytes in vitro and of causing lymphomas in mice. Previously, we and others demonstrated phospholipase C-gamma and phosphatidylinositol 3-kinase as crucial downstream signaling mediators of NPM-ALK-induced oncogenicity. In this study, we used an ALK fusion protein as bait in a yeast two-hybrid screen identifying NIPA (nuclear interacting partner of ALK) as a novel downstream target of NPM-ALK. NIPA encodes a 60-kDa protein that is expressed in a broad range of human tissues and contains a classical nuclear translocation signal in its C terminus, which directs its nuclear localization. NIPA interacts with NPM-ALK and other ALK fusions in a tyrosine kinase-dependent manner and is phosphorylated in NPM-ALK-expressing cells on tyrosine and serine residues with serine 354 as a major phosphorylation site. Overexpression of NIPA in Ba/F3 cells was able to protect from apoptosis induced by IL-3 withdrawal. Mutations of the nuclear translocation signal or the Ser-354 phosphorylation site impaired the antiapoptotic function of NIPA. In NPM-ALK-transformed Ba/F3 cells, apoptosis triggered by wortmannin treatment was enhanced by overexpression of putative dominant-negative NIPA mutants. These results implicate an antiapoptotic role for NIPA in NPM-ALK-mediated signaling events.
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MESH Headings
- Active Transport, Cell Nucleus
- Adaptor Proteins, Signal Transducing
- Amino Acid Sequence
- Androstadienes/pharmacology
- Animals
- Apoptosis
- Blotting, Northern
- COS Cells
- Cell Cycle
- Cell Cycle Proteins
- Cell Line
- Cell Nucleus/metabolism
- Cloning, Molecular
- DNA, Complementary/metabolism
- Electrophoresis, Polyacrylamide Gel
- Enzyme Inhibitors/pharmacology
- Fibroblasts/metabolism
- Glutathione Transferase/metabolism
- Humans
- Immunoblotting
- In Situ Nick-End Labeling
- Ki-1 Antigen/biosynthesis
- Lymphoma, Large B-Cell, Diffuse/metabolism
- Mice
- Microscopy, Fluorescence
- Models, Biological
- Molecular Sequence Data
- Mutation
- Nuclear Proteins/chemistry
- Nuclear Proteins/metabolism
- Phosphatidylinositol 3-Kinases/metabolism
- Phosphoamino Acids/metabolism
- Phospholipase C gamma
- Phosphorylation
- Plasmids/metabolism
- Protein Binding
- Protein Structure, Tertiary
- Protein-Tyrosine Kinases/chemistry
- Protein-Tyrosine Kinases/metabolism
- RNA, Messenger/metabolism
- Recombinant Fusion Proteins/metabolism
- Sequence Homology, Amino Acid
- Serine/chemistry
- Signal Transduction
- Time Factors
- Tissue Distribution
- Transfection
- Two-Hybrid System Techniques
- Type C Phospholipases/chemistry
- Tyrosine/chemistry
- Wortmannin
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Affiliation(s)
- Tao Ouyang
- Department of Internal Medicine III, Laboratory of Leukemogenesis, Technical University of Munich, 81675 Munich, Germany
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