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Yaglova NV, Obernikhin SS, Timokhina EP, Tsomartova DA, Yaglov VV, Nazimova SV, Tsomartova ES, Ivanova MY, Chereshneva EV, Lomanovskaya TA. Effects of Deuterium Depletion on Age-Declining Thymopoiesis In Vivo. Biomedicines 2024; 12:956. [PMID: 38790918 PMCID: PMC11117614 DOI: 10.3390/biomedicines12050956] [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: 02/27/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024] Open
Abstract
The thymus provides maturation and migration of T cells to peripheral organs of immunity, where they recognize diverse antigens and maintain immunological memory and self-tolerance. The thymus is known to be involved with age and in response to stress factors. Therefore, the search for approaches to the restoration of thymopoiesis is of great interest. The present investigation was aimed at evaluating how prolonged deuterium depletion affects morphogenetic processes and the physiological transition of the thymus to age-related involution. The study was performed on 60 male Wistar rats subjected to consumption of deuterium-depleted water with a 10 ppm deuterium content for 28 days. The control rats consumed distilled water with a normal deuterium content of 150 ppm. The examination found no significant differences in body weight gain or the amount of water consumed. The exposed rats exhibited similar to control dynamics of the thymus weight but significant changes in thymic cell maturation according to cytofluorimetric analysis of thymic subpopulations. Changes in T cell production were not monotonic and differentially engaged morphogenetic processes of cell proliferation, differentiation, and migration. The reactive response to deuterium depletion was a sharp increase in the number of progenitor CD4-CD8- cells and their differentiation into T cells. The compensatory reaction was inhibition of thymopoiesis with more pronounced suppression of differentiation of T-cytotoxic lymphocytes, followed by intensification of emigration of mature T cells to the bloodstream. This period lasts from 3 to 14 days, then differentiation of thymic lymphocytes is restored, later cell proliferation is activated, and finally the thymopoiesis rate exceeds the control values. The increase in the number of thymic progenitor cells after 3-4 weeks suggests consideration of deuterium elimination as a novel approach to prevent thymus involution.
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Affiliation(s)
- Nataliya V. Yaglova
- Laboratory of Endocrine System Development, A.P. Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Centre of Surgery”, 119991 Moscow, Russia; (S.S.O.); (E.P.T.); (D.A.T.); (V.V.Y.); (S.V.N.); (E.S.T.)
| | - Sergey S. Obernikhin
- Laboratory of Endocrine System Development, A.P. Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Centre of Surgery”, 119991 Moscow, Russia; (S.S.O.); (E.P.T.); (D.A.T.); (V.V.Y.); (S.V.N.); (E.S.T.)
| | - Ekaterina P. Timokhina
- Laboratory of Endocrine System Development, A.P. Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Centre of Surgery”, 119991 Moscow, Russia; (S.S.O.); (E.P.T.); (D.A.T.); (V.V.Y.); (S.V.N.); (E.S.T.)
| | - Dibakhan A. Tsomartova
- Laboratory of Endocrine System Development, A.P. Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Centre of Surgery”, 119991 Moscow, Russia; (S.S.O.); (E.P.T.); (D.A.T.); (V.V.Y.); (S.V.N.); (E.S.T.)
- Department of Human Anatomy and Histology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, 119435 Moscow, Russia; (M.Y.I.); (E.V.C.); (T.A.L.)
| | - Valentin V. Yaglov
- Laboratory of Endocrine System Development, A.P. Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Centre of Surgery”, 119991 Moscow, Russia; (S.S.O.); (E.P.T.); (D.A.T.); (V.V.Y.); (S.V.N.); (E.S.T.)
| | - Svetlana V. Nazimova
- Laboratory of Endocrine System Development, A.P. Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Centre of Surgery”, 119991 Moscow, Russia; (S.S.O.); (E.P.T.); (D.A.T.); (V.V.Y.); (S.V.N.); (E.S.T.)
| | - Elina S. Tsomartova
- Laboratory of Endocrine System Development, A.P. Avtsyn Research Institute of Human Morphology of Federal State Budgetary Scientific Institution “Petrovsky National Research Centre of Surgery”, 119991 Moscow, Russia; (S.S.O.); (E.P.T.); (D.A.T.); (V.V.Y.); (S.V.N.); (E.S.T.)
- Department of Human Anatomy and Histology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, 119435 Moscow, Russia; (M.Y.I.); (E.V.C.); (T.A.L.)
| | - Marina Y. Ivanova
- Department of Human Anatomy and Histology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, 119435 Moscow, Russia; (M.Y.I.); (E.V.C.); (T.A.L.)
| | - Elizaveta V. Chereshneva
- Department of Human Anatomy and Histology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, 119435 Moscow, Russia; (M.Y.I.); (E.V.C.); (T.A.L.)
| | - Tatiana A. Lomanovskaya
- Department of Human Anatomy and Histology, Federal State Funded Educational Institution of Higher Education I.M. Sechenov First Moscow State Medical University, 119435 Moscow, Russia; (M.Y.I.); (E.V.C.); (T.A.L.)
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Pereira JL, Ferreira F, Dos Santos NR. Antibody targeting of surface P-selectin glycoprotein ligand 1 leads to lymphoma apoptosis and tumorigenesis inhibition. Hematol Oncol 2024; 42:e3257. [PMID: 38415859 DOI: 10.1002/hon.3257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/11/2024] [Accepted: 02/03/2024] [Indexed: 02/29/2024]
Abstract
Lymphomas are a heterogeneous group of diseases that originate from T, B or natural killer cells. Lymphoma treatment is based on chemotherapy, radiotherapy, and monoclonal antibody (mAb) or other immunotherapies. The P-selectin glycoprotein ligand 1 (PSGL-1) is expressed at the surface of hematological malignant cells and has been shown to have a pro-oncogenic role in multiple myeloma and lymphoma. Here, we investigated the expression and therapeutic potential of PSGL-1 in T and B cell lymphomas. By flow cytometry analysis, we found that PSGL-1 was expressed in both T and B cell-derived lymphoma cell lines but generally at higher levels in T cell lymphoma cell lines. For most T and B cell-derived lymphoma cell lines, in vitro targeting with the PL1 mAb, which recognizes the PSGL-1 N-terminal extracellular region and blocks functional interactions with selectins, resulted in reduced cell viability. The PL1 mAb pro-apoptotic activity was shown to be dose-dependent, to be linked to increased ERK kinase phosphorylation, and to be dependent on the MAP kinase signaling pathway. Importantly, anti-PSGL-1 treatment of mice xenografted with the HUT-78 cutaneous T-cell lymphoma cell line resulted in decreased tumor growth, had no effect on in vivo proliferation, but increased the levels of apoptosis in tumors. Anti-PSGL-1 treatment of mice xenografted with a Burkitt lymphoma cell line that was resistant to anti-PSGL-1 treatment in vitro, had no impact on tumorigenesis. These findings show that PSGL-1 antibody targeting triggers lymphoma cell apoptosis and substantiates PSGL-1 as a potential target for lymphoma therapy.
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Affiliation(s)
- João L Pereira
- i3S-Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Porto, Portugal
- IPATIMUP-Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
- FMUP-Faculty of Medicine of the University of Porto, Porto, Portugal
| | - Francisca Ferreira
- i3S-Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Porto, Portugal
- IPATIMUP-Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
- Master´s degree in Bioengineering, ICBAS-Instituto de Ciências Biomédicas de Abel Salazar and Faculty of Engineering, University of Porto, Porto, Portugal
| | - Nuno R Dos Santos
- i3S-Instituto de Investigação e Inovação em Saúde da Universidade do Porto, Porto, Portugal
- IPATIMUP-Institute of Molecular Pathology and Immunology of the University of Porto, Porto, Portugal
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Filipek-Gorzała J, Kwiecińska P, Szade A, Szade K. The dark side of stemness - the role of hematopoietic stem cells in development of blood malignancies. Front Oncol 2024; 14:1308709. [PMID: 38440231 PMCID: PMC10910019 DOI: 10.3389/fonc.2024.1308709] [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: 10/06/2023] [Accepted: 01/02/2024] [Indexed: 03/06/2024] Open
Abstract
Hematopoietic stem cells (HSCs) produce all blood cells throughout the life of the organism. However, the high self-renewal and longevity of HSCs predispose them to accumulate mutations. The acquired mutations drive preleukemic clonal hematopoiesis, which is frequent among elderly people. The preleukemic state, although often asymptomatic, increases the risk of blood cancers. Nevertheless, the direct role of preleukemic HSCs is well-evidenced in adult myeloid leukemia (AML), while their contribution to other hematopoietic malignancies remains less understood. Here, we review the evidence supporting the role of preleukemic HSCs in different types of blood cancers, as well as present the alternative models of malignant evolution. Finally, we discuss the clinical importance of preleukemic HSCs in choosing the therapeutic strategies and provide the perspective on further studies on biology of preleukemic HSCs.
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Affiliation(s)
- Jadwiga Filipek-Gorzała
- Laboratory of Stem Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Krakow, Poland
| | - Patrycja Kwiecińska
- Laboratory of Stem Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Agata Szade
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Krzysztof Szade
- Laboratory of Stem Cell Biology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
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von Fritschen U, Kremer T, Prantl L, Fricke A. Breast Implant-Associated Tumors. Geburtshilfe Frauenheilkd 2023; 83:686-693. [PMID: 37614684 PMCID: PMC10444514 DOI: 10.1055/a-2073-9534] [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: 02/06/2023] [Accepted: 04/13/2023] [Indexed: 08/25/2023] Open
Abstract
In addition to anaplastic large T-cell lymphomas (BIA-ALCL), other implant-related tumors have been described for some years. Squamous cell carcinoma (SSC) and B-cell lymphomas occurred in very rare cases. The unexplained pathogenesis as well as the unclear individual risk profile is an ongoing source of uncertainty for patients and physicians. The pathogenesis of the tumors is still largely not understood. While BIA-ALCL occurs more frequently with textured breast implants, other tumors were also observed with smooth implants and at other implant sites. Multiple potential mechanisms are discussed. It is suspected that the etiology of a chronic inflammatory response and subsequently immunostimulation is multifactorial and appears to play a key role in the malignant transformation. Since there are currently no sufficiently valid data for a specific risk assessment, this must be done with caution. This article presents the incidence, pathogenesis, as well as the level of evidence according to the current state of knowledge, and evaluates and discusses the current literature.
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Affiliation(s)
- Uwe von Fritschen
- Department of Plastic- and Aesthetic Surgery, Helios Klinik Emil von Behring, Berlin, Germany
| | - Thomas Kremer
- Klinik für Plastische und Handchirurgie mit Schwerbrandverletztenzentrum, Klinikum St. Georg, Dresden, Germany
| | - Lukas Prantl
- Abteilung für Plastische-, Hand- und Rekonstruktive Chirurgie, Universität Regensburg, Regensburg, Germany
| | - Alba Fricke
- Department of Plastic- and Aesthetic Surgery, Helios Klinik Emil von Behring, Berlin, Germany
- Department of Plastic and Hand Surgery, University of Freiburg Medical Centre, Medical Faculty of the University of Freiburg, Freiburg, Germany
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5
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Beishuizen A, Mellgren K, Andrés M, Auperin A, Bacon CM, Bomken S, Burke GAA, Burkhardt B, Brugieres L, Chiang AKS, Damm-Welk C, d'Amore E, Horibe K, Kabickova E, Khanam T, Kontny U, Klapper W, Lamant L, Le Deley MC, Loeffen J, Macintyre E, Mann G, Meyer-Wentrup F, Michgehl U, Minard-Colin V, Mussolin L, Oschlies I, Patte C, Pillon M, Reiter A, Rigaud C, Roncery L, Salaverria I, Simonitsch-Klupp I, Uyttebroeck A, Verdu-Amoros J, Williams D, Woessmann W, Wotherspoon A, Wrobel G, Zimmermann M, Attarbaschi A, Turner SD. Improving outcomes of childhood and young adult non-Hodgkin lymphoma: 25 years of research and collaboration within the framework of the European Intergroup for Childhood Non-Hodgkin Lymphoma. Lancet Haematol 2023; 10:e213-e224. [PMID: 36858678 DOI: 10.1016/s2352-3026(22)00374-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/01/2022] [Accepted: 11/18/2022] [Indexed: 03/03/2023]
Abstract
The European Intergroup for Childhood Non-Hodgkin Lymphoma (EICNHL) was established 25 years ago with the goal to facilitate clinical trials and research collaborations in the field both within Europe and worldwide. Since its inception, much progress has been made whereby major improvements in outcomes have been achieved. In this Review, we describe the different diagnostic entities of non-Hodgkin lymphoma in children and young adults describing key features of each entity and outlining clinical achievements made in the context of the EICNHL framework. Furthermore, we provide an overview of advances in biopathology with an emphasis on the role of biological studies and how they have shaped available treatments. Finally, for each entity, we describe future goals, upcoming clinical trials, and highlight areas of research that require our focus going forward.
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Affiliation(s)
- Auke Beishuizen
- Division of Hemato-Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands; The Netherlands and Erasmus MC-Sophia Children's Hospital, Rotterdam, Netherlands
| | - Karin Mellgren
- Department of Paediatric Oncology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Mara Andrés
- Department of Pediatric Oncology, University Hospital Le Fe, Valencia, Spain
| | - Anne Auperin
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Chris M Bacon
- The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK; Wolfson Childhood Cancer Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Simon Bomken
- The Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK; Wolfson Childhood Cancer Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - G A Amos Burke
- Department of Paediatric Haematology, Oncology and Palliative Care, Cambridge University Hospitals NHS Foundation Trust, Cambridge
| | - Birgit Burkhardt
- Department of Pediatric Hematology, Oncology, and BMT, University Hospital Muenster, Münster, Germany
| | - Laurence Brugieres
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Alan K S Chiang
- Department of Pediatrics & AdolescentMedicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Queen Mary Hospital, Hong Kong Special Administrative Region, China
| | - Christine Damm-Welk
- Pediatric Hematology and Oncology, University Medical Centre Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Emanuele d'Amore
- Department of Pathological Anatomy, San Bortolo Hospital, Vicenza, Italy
| | - Keizo Horibe
- Clinical Research Center, National Hospital Organization Nagoya Medical Center, Aichi, Japan
| | - Edita Kabickova
- Department of Pediatric Hematology and Oncology, Charles University & University Hospital Motol, Prague, Czech Republic
| | - Tasneem Khanam
- Department of Paediatric Haematology, Oncology and Palliative Care, Cambridge University Hospitals NHS Foundation Trust, Cambridge
| | - Udo Kontny
- Section of Pediatric Hematology, Oncology, and Stem Cell Transplantation, Department of Pediatric and Adolescent Medicine, RWTH Aachen University Hospital, Aachen, Germany
| | - Wolfram Klapper
- Institute of Pathology, Hematopathology Section, University of Schleswig-Holstein, Kiel, Germany
| | - Laurence Lamant
- Université Toulouse III-Paul Sabatier, Laboratoire d'Excellence Toulouse Cancer-TOUCAN, Équipe Labellisée La Ligue Contre Le Cancer, Inserm, Toulouse, France
| | | | - Jan Loeffen
- Division of Hemato-Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Elizabeth Macintyre
- Onco-hematology, Université Paris Cité and Necker-Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Georg Mann
- Pediatric Hematology and Oncology, Erasmus MC - Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Friederike Meyer-Wentrup
- Division of Hemato-Oncology, Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Ulf Michgehl
- Department of Paediatric Haematology, Oncology and Palliative Care, Cambridge University Hospitals NHS Foundation Trust, Cambridge
| | - Veronique Minard-Colin
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Lara Mussolin
- Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy; Pediatric Hematology, Oncology and Stem Cell Transplant Division, Maternal and Child Health Department, Padova University Hospital, Padova, Italy
| | - Ilske Oschlies
- Institute of Pathology, Hematopathology Section, University of Schleswig-Holstein, Kiel, Germany
| | - Catherine Patte
- Department of Pediatric and Adolescent Oncology, Gustave Roussy, Université Paris-Saclay, Villejuif, France
| | - Marta Pillon
- Pediatric Hematology, Oncology and Stem Cell Transplant Division, Maternal and Child Health Department, Padova University Hospital, Padova, Italy
| | - Alfred Reiter
- Department of Pediatric Hematology and Oncology, Justus Liebig-University Giessen, Giessen, Germany
| | - Charlotte Rigaud
- Department of Pediatric Hematology, Oncology, and BMT, University Hospital Muenster, Münster, Germany
| | - Leila Roncery
- St Anna Children's Hospital, Department of Paediatric Haematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Itziar Salaverria
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | | | - Anne Uyttebroeck
- Department of Pediatric Hematology and Oncology, University Hospital Leuven,KU Leuven, Leuven, Belgium
| | - Jaime Verdu-Amoros
- Department of Pediatric Hematology and Oncology, University Hospital Valencia, Valencia, Spain
| | - Denise Williams
- Wolfson Childhood Cancer Centre, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Wilhelm Woessmann
- Pediatric Hematology and Oncology, University Medical Centre Hamburg-Eppendorf (UKE), Hamburg, Germany
| | | | - Grazyna Wrobel
- Bone Marrow Transplantation and Pediatric Hematology and Oncology, Wroclaw Medical University, Wroclaw, Poland
| | - Martin Zimmermann
- Hannover Medical School, Department of Pediatric Hematology and Oncology, Hannover, Germany
| | - Andishe Attarbaschi
- St Anna Children's Hospital, Department of Paediatric Haematology and Oncology, Medical University of Vienna, Vienna, Austria
| | - Suzanne D Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK; Central European Institute for Technology, Masaryk University, Brno, Czech Republic.
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Marques-Piubelli ML, Medeiros LJ, Stewart J, Miranda RN. Breast Implant-Associated Anaplastic Large Cell Lymphoma. Surg Pathol Clin 2023; 16:347-360. [PMID: 37149362 DOI: 10.1016/j.path.2023.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Pathologic staging including assessment of margins is essential for the proper management of patients with breast implant-associated anaplastic large-cell lymphoma (BIA-ALCL). As most patients present with effusion, cytologic examination with immunohistochemistry and/or flow cytometry immunophenotyping are essential for diagnosis. Upon a diagnosis of BIA-ALCL, en bloc resection is recommended. When a tumor mass is not identified, a systematic approach to fixation and sampling of the capsule, followed by pathologic staging and assessment of margins, is essential. Cure is likely when lymphoma is contained within the en bloc resection and margins are negative. Incomplete resection or positive margins require a multidisciplinary team assessment for adjuvant therapy.
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Torre P, Brescia A, Giurato G, D’Auria R, Rizzo F, Motta BM, Giudice V, Selleri C, Zeppa P, Caputo A, Casolaro V, Persico M. Mucosal-Associated Invariant T Cells in T-Cell Non-Hodgkin Lymphomas: A Case Series. Cancers (Basel) 2022; 14:cancers14122921. [PMID: 35740587 PMCID: PMC9221487 DOI: 10.3390/cancers14122921] [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: 06/02/2022] [Accepted: 06/09/2022] [Indexed: 01/27/2023] Open
Abstract
Simple Summary Mucosal-associated invariant T (MAIT) cells are a subgroup of T lymphocytes whose role has recently been investigated in several types of diseases, including cancer. However, little is known about these cells in lymphomas. In this case series, we investigated the presence of MAIT cells in biopsies obtained from patients diagnosed with T-cell non-Hodgkin lymphomas, uncommon hematological malignancies with often not clearly defined etiopathology. Abstract Background: Mucosal-associated invariant T (MAIT) cells are a subset of unconventional T lymphocytes expressing a semi-invariant α/β T-cell receptor (TCR). The physiological functions of these cells, which are particularly abundant in normal liver and mucosal sites, have become clear only in recent years, but their role in most human diseases is still unknown. Since the cellular origin and etiopathogenesis of most T-lymphomas are still elusive, we decided to explore the presence of MAIT cells in biopsies from these neoplasms. Methods: Sixteen biopsies obtained from patients with a T-cell lymphoma diagnosis were analyzed via immunofluorescence staining using an anti-Vα7.2 antibody and the MR1-antigen tetramer. Positive cases were subjected to a polymerase chain reaction for the detection of Vα7.2–Jα33, Vα7.2–Jα20, or Vα7.2–Jα12 rearrangements, followed by sequencing of the CDR3α region. Results: CD3+/Vα7.2+ and CD3+/MR1-Ag-tetramer+ cells were found in 4 of 16 samples analyzed. The identification of specific TCR rearrangements confirmed the presence of these cells in all four samples. PCR and sequencing results documented the presence of multiple clones of MAIT cells in each positive sample. Conclusions: MAIT cells are frequently found in T-cell lymphomas. More in-depth studies and a larger number of samples are needed to better clarify the contribution of MAIT cells to this rare neoplasm.
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Affiliation(s)
- Pietro Torre
- Internal Medicine and Hepatology Unit, University Hospital “San Giovanni di Dio e Ruggi d’Aragona”, University of Salerno, 84131 Salerno, Italy;
| | - Annalisa Brescia
- Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (A.B.); (G.G.); (R.D.); (F.R.); (B.M.M.); (V.C.)
| | - Giorgio Giurato
- Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (A.B.); (G.G.); (R.D.); (F.R.); (B.M.M.); (V.C.)
| | - Raffaella D’Auria
- Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (A.B.); (G.G.); (R.D.); (F.R.); (B.M.M.); (V.C.)
| | - Francesca Rizzo
- Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (A.B.); (G.G.); (R.D.); (F.R.); (B.M.M.); (V.C.)
| | - Benedetta Maria Motta
- Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (A.B.); (G.G.); (R.D.); (F.R.); (B.M.M.); (V.C.)
| | - Valentina Giudice
- Hematology and Transplant Center, University Hospital “San Giovanni di Dio e Ruggi d’Aragona”, University of Salerno, 84131 Salerno, Italy; (V.G.); (C.S.)
| | - Carmine Selleri
- Hematology and Transplant Center, University Hospital “San Giovanni di Dio e Ruggi d’Aragona”, University of Salerno, 84131 Salerno, Italy; (V.G.); (C.S.)
| | - Pio Zeppa
- Pathology Unit, University Hospital “San Giovanni di Dio e Ruggi d’Aragona”, University of Salerno, 84131 Salerno, Italy; (P.Z.); (A.C.)
| | - Alessandro Caputo
- Pathology Unit, University Hospital “San Giovanni di Dio e Ruggi d’Aragona”, University of Salerno, 84131 Salerno, Italy; (P.Z.); (A.C.)
| | - Vincenzo Casolaro
- Department of Medicine, Surgery and Dentistry, “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy; (A.B.); (G.G.); (R.D.); (F.R.); (B.M.M.); (V.C.)
| | - Marcello Persico
- Internal Medicine and Hepatology Unit, University Hospital “San Giovanni di Dio e Ruggi d’Aragona”, University of Salerno, 84131 Salerno, Italy;
- Correspondence:
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Experiencia en el uso de protocolos Biomed-2 para el estudio de reordenamientos de TCR e inmunoglobulinas en proliferaciones linfoides en el Instituto Nacional de Cancerología, Colombia. BIOMÉDICA 2022; 42:64-78. [PMID: 35866731 PMCID: PMC9385446 DOI: 10.7705/biomedica.5940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Indexed: 11/21/2022]
Abstract
Introducción. El consorcio europeo BIOMED-2 se creó para determinar si una población linfoide de difícil clasificación patológica es clonal. En Colombia, la implementación de estas pruebas comenzó en el 2015 en el Instituto Nacional de Cancerología E.S.E. (Bogotá). Objetivos. Determinar el comportamiento de las pruebas de reordenamiento clonal o clonalidad linfoide. y determinar las dificultades de su uso en nuestro medio verificando su adaptación local y los resultados en una serie retrospectiva de casos y consecutiva de proliferaciones linfoides sometidas a los protocolos BIOMED-2. Materiales y métodos. A partir de las historias clínicas, se recolectaron los datos clínicos e histológicos y los resultados de los análisis de los reordenamientos en todos los casos de proliferaciones linfoides sometidas a los protocolos BIOMED-2, entre febrero de 2015 y mayo de 2019. Resultados. Se hallaron 132 casos, de los cuales 47 se clasificaron mediante los protocolos de Biomed-2 como hiperplasias linfoides reactivas, 62 como linfomas T, 19 como linfomas B y 3 como neoplasias linfoides de linaje no establecido. Solo en un caso falló la extracción de ADN. Según estos resultados, la mayor dificultad diagnóstica para el patólogo fue el análisis de los infiltrados linfoides T, la mayoría (44) de los cuales correspondía a lesiones cutáneas. Conclusiones. Las pruebas de clonalidad pueden usarse en tejidos de diversa calidad en nuestro medio como ayuda en el diagnóstico de proliferaciones linfoides de difícil clasificación. Es importante hacerlas e interpretarlas de manera multidisciplinaria y considerar cada caso por separado.
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9
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Clonotype pattern in T-cell lymphomas map the cell of origin to immature lymphoid precursors. Blood Adv 2022; 6:2334-2345. [PMID: 35015812 PMCID: PMC9006294 DOI: 10.1182/bloodadvances.2021005884] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/07/2021] [Indexed: 11/20/2022] Open
Abstract
Mature T-cell lymphomas (TCLs) are rare, clinically heterogeneous hematologic cancers of high medical need. TCLs have inferior prognosis which is attributed to poor understanding of their pathogenesis. Based on phenotypic similarities between normal and neoplastic lymphocytes it has been assumed that TCLs develop in the periphery, directly from various subtypes of normal T-cells. To address the debated question of the cell of origin in TCLs we analyzed to identify the highly variable complementarity determining regions (CDR3) regions of T-cell receptor (TCR) to trace the clonal history of the T-cells. We have collected previously published whole genome -exome, and -transcriptome sequencing data from 574 TCL patients. TCR clonotypes were identified by de novo assembly of CDR3 regions of TCR γ, β and α. We have found that the vast majority of TCLs are clonotypically oligoclonal, although the pattern oligoclonality varied. Anaplastic large cell lymphoma was most diverse comprising multiple clonotypes of TCRγ, β and α whereas adult T-cell lymphoma/leukemia and peripheral T-cell lymphomas often showed monoclonality for TCRγ and β but had diverse TCRα clonotypes. These patterns of rearrangements indicated that TCLs are initiated at the level of the lymphoid precursor. In keeping with this hypothesis, TCR rearrangements in TCLs resembled the pattern seen in the human thymus showing biased usage of V and J segments of high combinatorial probability resulting in recurrent, "public" CDR3 sequences shared across unrelated patients and different clinical TCL entities. Clonotypically diverse initiating cells may seed target tissues being responsible for disease relapses after therapy.
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10
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Resistance to Targeted Agents Used to Treat Paediatric ALK-Positive ALCL. Cancers (Basel) 2021; 13:cancers13236003. [PMID: 34885113 PMCID: PMC8656581 DOI: 10.3390/cancers13236003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/25/2021] [Accepted: 11/25/2021] [Indexed: 12/25/2022] Open
Abstract
Simple Summary In general, the non-Hodgkin lymphoma (NHL), anaplastic large cell lymphoma (ALCL) diagnosed in childhood has a good survival outcome when treated with multi-agent chemotherapy. However, side effects of treatment are common, and outcomes are poorer after relapse, which occurs in up to 30% of cases. New drugs are required that are more effective and have fewer side effects. Targeted therapies are potential solutions to these problems, however, the development of resistance may limit their impact. This review summarises the potential resistance mechanisms to these targeted therapies. Abstract Non-Hodgkin lymphoma (NHL) is the third most common malignancy diagnosed in children. The vast majority of paediatric NHL are either Burkitt lymphoma (BL), diffuse large B-cell lymphoma (DLBCL), anaplastic large cell lymphoma (ALCL), or lymphoblastic lymphoma (LL). Multi-agent chemotherapy is used to treat all of these types of NHL, and survival is over 90% but the chemotherapy regimens are intensive, and outcomes are generally poor if relapse occurs. Therefore, targeted therapies are of interest as potential solutions to these problems. However, the major problem with all targeted agents is the development of resistance. Mechanisms of resistance are not well understood, but increased knowledge will facilitate optimal management strategies through improving our understanding of when to select each targeted agent, and when a combinatorial approach may be helpful. This review summarises currently available knowledge regarding resistance to targeted therapies used in paediatric anaplastic lymphoma kinase (ALK)-positive ALCL. Specifically, we outline where gaps in knowledge exist, and further investigation is required in order to find a solution to the clinical problem of drug resistance in ALCL.
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11
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Hatta MNA, Mohamad Hanif EA, Chin SF, Neoh HM. Pathogens and Carcinogenesis: A Review. BIOLOGY 2021; 10:533. [PMID: 34203649 PMCID: PMC8232153 DOI: 10.3390/biology10060533] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/30/2021] [Accepted: 06/02/2021] [Indexed: 12/24/2022]
Abstract
Cancer is a global health problem associated with genetics and unhealthy lifestyles. Increasingly, pathogenic infections have also been identified as contributors to human cancer initiation and progression. Most pathogens (bacteria, viruses, fungi, and parasites) associated with human cancers are categorized as Group I human carcinogens by the International Agency for Research on Cancer, IARC. These pathogens cause carcinogenesis via three known mechanisms: persistent infection that cause inflammation and DNA damage, initiation of oncogene expression, and immunosuppression activity of the host. In this review, we discuss the carcinogenesis mechanism of ten pathogens, their implications, and some future considerations for better management of the disease. The pathogens and cancers described are Helicobacter pylori (gastric cancer), Epstein-Barr virus (gastric cancer and lymphoma), Hepatitis B and C viruses (liver cancer), Aspergillus spp. (liver cancer), Opisthorchis viverrine (bile duct cancer), Clonorchis sinensis (bile duct cancer), Fusobacterium nucleatum (colorectal cancer), Schistosoma haematobium (bladder cancer); Human Papillomavirus (cervical cancer), and Kaposi's Sarcoma Herpes Virus (Kaposi's sarcoma).
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Affiliation(s)
| | | | | | - Hui-min Neoh
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Ya’acob Latiff, Cheras, Kuala Lumpur 56000, Malaysia; (M.N.A.H.); (E.A.M.H.); (S.-F.C.)
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12
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Turton P, El-Sharkawi D, Lyburn I, Sharma B, Mahalingam P, Turner SD, MacNeill F, Johnson L, Hamilton S, Burton C, Mercer N. UK Guidelines on the Diagnosis and Treatment of Breast Implant-Associated Anaplastic Large Cell Lymphoma (BIA-ALCL) on behalf of the Medicines and Healthcare products Regulatory Agency (MHRA) Plastic, Reconstructive and Aesthetic Surgery Expert Advisory Group (PRASEAG). Eur J Surg Oncol 2020; 47:199-210. [PMID: 33358076 DOI: 10.1016/j.ejso.2020.07.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 07/23/2020] [Indexed: 01/11/2023] Open
Abstract
Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is an uncommon T cell Non-Hodgkin Lymphoma (NHL) associated with breast implants. Raising awareness of the possibility of BIA-ALCL in anyone with breast implants and new breast symptoms is crucial to early diagnosis. The tumour begins on the inner aspect of the peri-implant capsule causing an effusion, or less commonly a tissue mass to form within the capsule, which may spread locally or to more distant sites in the body. Diagnosis is usually made by cytological, immunohistochemical and immunophenotypic evaluation of the aspirated peri-implant fluid: pleomorphic lymphocytes are characteristically anaplastic lymphoma kinase (ALK) negative and strongly positive for CD30. BIA-ALCL is indolent in most patients but can progress rapidly. Surgical removal of the implant with the intact surrounding capsule (total en-bloc capsulectomy) is usually curative. Late diagnosis may require more radical surgery and systemic therapies and although these are usually successful, poor outcomes and deaths have been reported. By adopting a structured approach, as suggested in these guidelines, early diagnosis and successful treatment will minimize the need for systemic treatments, reduce morbidity and the risk of poor outcomes.
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Affiliation(s)
- Philip Turton
- St James's Hospital, The Leeds Teaching Hospitals NHS Trust, Leeds, UK.
| | | | - Iain Lyburn
- Cobalt Medical Charity, Cheltenham, UK; Gloucestershire Hospitals NHS Foundation Trust, UK
| | | | | | - Suzanne D Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, CB20QQ, UK; CEITEC, Masaryk University, Brno, Czech Republic
| | | | | | | | - Cathy Burton
- St James's Hospital, The Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Nigel Mercer
- Bristol Plastic Surgery, 58 Queen Square, Bristol, BS1 4LF, UK
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13
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Turton P, El-Sharkawi D, Lyburn I, Sharma B, Mahalingam P, Turner SD, MacNeill F, Johnson L, Hamilton S, Burton C, Mercer N. UK Guidelines on the Diagnosis and Treatment of Breast Implant-Associated Anaplastic Large Cell Lymphoma on behalf of the Medicines and Healthcare products Regulatory Agency Plastic, Reconstructive and Aesthetic Surgery Expert Advisory Group. Br J Haematol 2020; 192:444-458. [PMID: 33222158 PMCID: PMC7894347 DOI: 10.1111/bjh.17194] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/13/2020] [Accepted: 09/23/2020] [Indexed: 02/06/2023]
Abstract
Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is an uncommon T-cell non-Hodgkin Lymphoma (NHL) associated with breast implants. Raising awareness of the possibility of BIA-ALCL in anyone with breast implants and new breast symptoms is crucial to early diagnosis. The tumour begins on the inner aspect of the peri-implant capsule causing an effusion, or less commonly a tissue mass to form within the capsule, which may spread locally or to more distant sites in the body. Diagnosis is usually made by cytological, immunohistochemical and immunophenotypic evaluation of the aspirated peri-implant fluid: pleomorphic lymphocytes are characteristically anaplastic lymphoma kinase (ALK)-negative and strongly positive for CD30. BIA-ALCL is indolent in most patients but can progress rapidly. Surgical removal of the implant with the intact surrounding capsule (total en-bloc capsulectomy) is usually curative. Late diagnosis may require more radical surgery and systemic therapies and although these are usually successful, poor outcomes and deaths have been reported. By adopting a structured approach, as suggested in these guidelines, early diagnosis and successful treatment will minimise the need for systemic treatments, reduce morbidity and the risk of poor outcomes.
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Affiliation(s)
- Philip Turton
- St James's Hospital, The Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | | | - Iain Lyburn
- Cobalt Medical Charity, Cheltenham, UK.,Gloucestershire Hospitals NHS Foundation Trust, Gloucester, UK
| | | | | | - Suzanne D Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK.,CEITEC, Masaryk University, Brno, Czech Republic
| | | | | | | | - Cathy Burton
- St James's Hospital, The Leeds Teaching Hospitals NHS Trust, Leeds, UK
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14
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Turton P, El-Sharkawi D, Lyburn I, Sharma B, Mahalingam P, Turner SD, MacNeill F, Johnson L, Hamilton S, Burton C, Mercer N. UK Guidelines on the Diagnosis and Treatment of Breast Implant-Associated Anaplastic Large Cell Lymphoma (BIA-ALCL) on behalf of the Medicines and Healthcare products Regulatory Agency (MHRA) Plastic, Reconstructive and Aesthetic Surgery Expert Advisory Group (PRASEAG). J Plast Reconstr Aesthet Surg 2020; 74:13-29. [PMID: 33483089 DOI: 10.1016/j.bjps.2020.10.064] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/20/2020] [Indexed: 12/30/2022]
Abstract
Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is an uncommon T cell Non-Hodgkin Lymphoma (NHL) associated with breast implants. Raising awareness of the possibility of BIA-ALCL in anyone with breast implants and new breast symptoms is crucial to early diagnosis. The tumour begins on the inner aspect of the peri-implant capsule causing an effusion, or less commonly a tissue mass to form within the capsule, which may spread locally or to more distant sites in the body. Diagnosis is usually made by cytological, immunohistochemical and immunophenotypic evaluation of the peri-implant fluid: pleomorphic lymphocytes are characteristically anaplastic lymphoma kinase (ALK) negative and strongly positive for CD30. BIA-ALCL is indolent in most patients but can progress rapidly. Surgical removal of the implant with the intact surrounding capsule (total en-bloc capsulectomy) is usually curative. Late diagnosis may require more radical surgery and systemic therapies and although these are usually successful, poor outcomes and deaths have been reported. By adopting a structured approach, as suggested in these guidelines, early diagnosis and successful treatment will minimize the need for systemic treatments, reduce morbidity and the risk of poor outcomes. These guidelines provide an evidence-based and systematic framework for the assessment and treatment of patients with suspected or proven BIA-ALCL and are aimed at all clinicians involved in the care of people with breast implants.
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Affiliation(s)
- Philip Turton
- St James's Hospital, The Leeds Teaching Hospitals NHS Trust, Leeds, UK.
| | | | - Iain Lyburn
- Cobalt Medical Charity, Cheltenham, UK; Gloucestershire Hospitals NHS Foundation Trust, UK
| | | | | | - Suzanne D Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge CB20QQ, UK; CEITEC, Masaryk University, Brno, Czech Republic
| | | | | | | | - Cathy Burton
- St James's Hospital, The Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Nigel Mercer
- Bristol Plastic Surgery, 58 Queen Square, Bristol BS1 4LF
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15
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Turner SD. Commentary on: Breast Implant-Associated Anaplastic Large Cell Lymphoma in Australia: A Longitudinal Study of Implant and Other Related Risk Factors. Aesthet Surg J 2020; 40:847-849. [PMID: 32011676 DOI: 10.1093/asj/sjz371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Suzanne D Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK
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16
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Koźmiński P, Halik PK, Chesori R, Gniazdowska E. Overview of Dual-Acting Drug Methotrexate in Different Neurological Diseases, Autoimmune Pathologies and Cancers. Int J Mol Sci 2020; 21:ijms21103483. [PMID: 32423175 PMCID: PMC7279024 DOI: 10.3390/ijms21103483] [Citation(s) in RCA: 131] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 05/08/2020] [Accepted: 05/12/2020] [Indexed: 02/07/2023] Open
Abstract
Methotrexate, a structural analogue of folic acid, is one of the most effective and extensively used drugs for treating many kinds of cancer or severe and resistant forms of autoimmune diseases. In this paper, we take an overview of the present state of knowledge with regards to complex mechanisms of methotrexate action and its applications as immunosuppressive drug or chemotherapeutic agent in oncological combination therapy. In addition, the issue of the potential benefits of methotrexate in the development of neurological disorders in Alzheimer’s disease or myasthenia gravis will be discussed.
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17
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Malenge MM, Patzke S, Ree AH, Stokke T, Ceuppens P, Middleton B, Dahle J, Repetto-Llamazares AHV. 177Lu-Lilotomab Satetraxetan Has the Potential to Counteract Resistance to Rituximab in Non-Hodgkin Lymphoma. J Nucl Med 2020; 61:1468-1475. [PMID: 32245896 PMCID: PMC7539655 DOI: 10.2967/jnumed.119.237230] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 01/29/2020] [Indexed: 12/18/2022] Open
Abstract
Patients with non-Hodgkin lymphoma (NHL) who are treated with rituximab may develop resistant disease, often associated with changes in expression of CD20. The next-generation β-particle–emitting radioimmunoconjugate 177Lu-lilotomab-satetraxetan (Betalutin) was shown to up-regulate CD20 expression in different rituximab-sensitive NHL cell lines and to act synergistically with rituximab in a rituximab-sensitive NHL animal model. We hypothesized that 177Lu-lilotomab-satetraxetan may be used to reverse rituximab resistance in NHL. Methods: The rituximab-resistant Raji2R and the parental Raji cell lines were used. CD20 expression was measured by flow cytometry. Antibody-dependent cellular cytotoxicity (ADCC) was measured by a bioluminescence reporter assay. The efficacies of combined treatments with 177Lu-lilotomab-satetraxetan (150 or 350 MBq/kg) and rituximab (4 × 10 mg/kg) were compared with those of single agents or phosphate-buffered saline in a Raji2R-xenograft model. Cox regression and the Bliss independence model were used to assess synergism. Results: Rituximab binding in Raji2R cells was 36% ± 5% of that in the rituximab-sensitive Raji cells. 177Lu-lilotomab-satetraxetan treatment of Raji2R cells increased the binding to 53% ± 3% of the parental cell line. Rituximab ADCC induction in Raji2R cells was 20% ± 2% of that induced in Raji cells, whereas treatment with 177Lu-lilotomab-satetraxetan increased the ADCC induction to 30% ± 3% of that in Raji cells, representing a 50% increase (P < 0.05). The combination of rituximab with 350 MBq/kg 177Lu-lilotomab-satetraxetan synergistically suppressed Raji2R tumor growth in athymic Foxn1nu mice. Conclusion:177Lu-lilotomab-satetraxetan has the potential to reverse rituximab resistance; it can increase rituximab binding and ADCC activity in vitro and can synergistically improve antitumor efficacy in vivo.
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Affiliation(s)
- Marion M Malenge
- Nordic Nanovector ASA, Oslo, Norway.,Department of Radiation Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Sebastian Patzke
- Nordic Nanovector ASA, Oslo, Norway.,Department of Radiation Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
| | - Anne H Ree
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway.,Department of Oncology, Akershus University Hospital, Lørenskog, Norway; and
| | - Trond Stokke
- Department of Radiation Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
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18
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Fitzal F, Turner SD, Kenner L. Is breast implant-associated anaplastic large cell lymphoma a hazard of breast implant surgery? Open Biol 2020; 9:190006. [PMID: 30939983 PMCID: PMC6501645 DOI: 10.1098/rsob.190006] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) may occur after reconstructive or aesthetic breast surgery. Worldwide, approximately 1.7 million breast implant surgeries are performed each year. To date, over 500 cases of BIA-ALCL have been reported around the world, with 16 women having died. This review highlights the most important facts surrounding BIA-ALCL. There is no consensus regarding the true incidence rate of BIA-ALCL as it varies between countries, is probably significantly under-reported and is difficult to estimate due to the true number of breast prostheses used largely being unknown. BIA-ALCL develops in the breast mostly as a seroma surrounding the implant, but contained within the fibrous capsule, or more rarely as a solid mass that can become invasive infiltrating the chest wall and muscle, in some instances spreading to adjacent lymph nodes, in these cases having a far worse prognosis. The causation of BIA-ALCL remains to be established, but it has been proposed that chronic infection and/or implant toxins may be involved. What is clear is that complete capsulectomy is required for treatment of BIA-ALCL, which for early-stage disease leads to cure, whereas chemotherapy is needed for advanced-stage disease, whereby improved results have been reported with the use of brentuximab. A worldwide database for BIA-ALCL and implants should be supported by local governments.
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Affiliation(s)
- Florian Fitzal
- 1 Department of Surgery and Comprehensive Cancer Center, Medical University Vienna , Vienna , Austria
| | - Suzanne D Turner
- 2 Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge , Cambridge CB20QQ , UK.,6 Department for Experimental and Laboratory Animal Pathology, Clinical Institute of Pathology, Medical University of Vienna , 1090 Vienna , Austria
| | - Lukas Kenner
- 3 Ludwig Boltzmann Institute for Cancer Research , 1090 Vienna , Austria.,4 Unit of Laboratory Animal Pathology, University of Veterinary Medicine Vienna , 1210 Vienna , Austria.,5 Division of Experimental Pathology, Medical University of Vienna , 1090 Vienna , Austria.,6 Department for Experimental and Laboratory Animal Pathology, Clinical Institute of Pathology, Medical University of Vienna , 1090 Vienna , Austria.,7 The European Research Initiative for ALK-related Malignancies (ERIA) , Cambridge , UK
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19
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Turner SD. Commentary on: Anaplastic Large Cell Lymphoma of the Breast Arising in a Burn Cicatrix. Aesthet Surg J 2020; 40:NP164-NP166. [PMID: 31886484 DOI: 10.1093/asj/sjz285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Suzanne D Turner
- Cellular and Molecular Tumour Biology, Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK
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20
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Kreutmair S, Klingeberg C, Poggio T, Andrieux G, Keller A, Miething C, Follo M, Pfeifer D, Shoumariyeh K, Lengerke C, Gonzalez-Menendez I, Fend F, Zeiser R, Turner SD, Quintanilla-Martinez L, Boerries M, Duyster J, Illert AL. Existence of reprogrammed lymphoma stem cells in a murine ALCL-like model. Leukemia 2020; 34:3242-3255. [PMID: 32203142 DOI: 10.1038/s41375-020-0789-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 02/20/2020] [Accepted: 02/25/2020] [Indexed: 11/09/2022]
Abstract
While cancer stem cells are well established in certain hematologic and solid malignancies, their existence in T cell lymphoma is unclear and the origin of disease is not fully understood. To examine the existence of lymphoma stem cells, we utilized a mouse model of anaplastic large cell lymphoma. Established NPM-ALK+ lymphomas contained heterogeneous cell populations ranging from mature T cells to undifferentiated hematopoietic stem cells. Interestingly, CD4-/CD8- double negative (DN) lymphoma cells aberrantly expressed the T cell receptor α/β chain. Serial transplantation of sorted CD4/CD8 and DN lymphoma subpopulations identified lymphoma stem cells within the DN3/DN4 T cell population, whereas all other subpopulations failed to establish serial lymphomas. Moreover, transplanted lymphoma DN3/DN4 T cells were able to differentiate and gave rise to mature lymphoma T cells. Gene expression analyses unmasked stem-cell-like transcriptional regulation of the identified lymphoma stem cell population. Furthermore, these lymphoma stem cells are characterized by low CD30 expression levels, which might contribute to limited long-term therapeutic success in patients treated with anti-CD30-targeted therapies. In summary, our results highlight the existence of a lymphoma stem cell population in a NPM-ALK-driven CD30+ mouse model, thereby giving the opportunity to test innovative treatment strategies developed to eradicate the origin of disease.
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Affiliation(s)
- Stefanie Kreutmair
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Cathrin Klingeberg
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Teresa Poggio
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Geoffroy Andrieux
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany.,Institute of Medical Bioinformatics and Systems Medicine, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79104, Freiburg, Germany
| | - Alexander Keller
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Cornelius Miething
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Marie Follo
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Dietmar Pfeifer
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Khalid Shoumariyeh
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Claudia Lengerke
- Division of Hematology, University Hospital Basel, 4031, Basel, Switzerland
| | - Irene Gonzalez-Menendez
- Department of Pathology and Neuropathology, University of Tübingen, 72076, Tübingen, Germany
| | - Falko Fend
- Department of Pathology and Neuropathology, University of Tübingen, 72076, Tübingen, Germany
| | - Robert Zeiser
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Suzanne D Turner
- Department of Pathology, University of Cambridge, Cambridge, CB20QQ, UK
| | | | - Melanie Boerries
- German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,Institute of Medical Bioinformatics and Systems Medicine, University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79104, Freiburg, Germany
| | - Justus Duyster
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany.,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany
| | - Anna L Illert
- Department of Medicine I, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany. .,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), 69120, Heidelberg, Germany. .,Comprehensive Cancer Center Freiburg (CCCF), University Medical Center Freiburg, Faculty of Medicine, University of Freiburg, 79106, Freiburg, Germany.
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21
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Breast implant-associated anaplastic large-cell lymphoma: first case detected in a Japanese breast cancer patient. Breast Cancer 2020; 27:499-504. [PMID: 32095988 PMCID: PMC7196092 DOI: 10.1007/s12282-020-01064-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 02/10/2020] [Indexed: 02/07/2023]
Abstract
This paper details the first breast implant-associated anaplastic large-cell lymphoma (BIA-ALCL) case detected in Japan. The patient, a 67-year-old Japanese woman, was diagnosed with left unilateral breast cancer 17 years ago. Induration and redness presented in the left breast, which had undergone immediate breast reconstructive surgery using a tissue expander, later replaced by a silicone breast implant (SBI). Breast ultrasound showed fluid collection around the SBI. Surgery was performed to remove the left breast implant and the fragmented capsule surrounding the implant. Postoperative pathological findings did not indicate malignancy. Nine months later, a contralateral axillary lymphadenopathy was observed, and an excisional biopsy of the axillary lymph node was performed. The patient was diagnosed with BIA-ALCL and successfully underwent adjuvant CHOP (cyclophosphamide, doxorubicin, vincristine, and prednisolone) chemotherapy.
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22
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Cell of Origin and Immunologic Events in the Pathogenesis of Breast Implant-Associated Anaplastic Large-Cell Lymphoma. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 190:2-10. [PMID: 31610171 PMCID: PMC7298558 DOI: 10.1016/j.ajpath.2019.09.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/10/2019] [Accepted: 09/17/2019] [Indexed: 12/18/2022]
Abstract
Breast implant–associated anaplastic large-cell lymphoma (BIA-ALCL) is a CD30-positive, anaplastic lymphoma kinase–negative T-cell lymphoma. Nearly all cases have been associated with textured implants. Most cases are of effusion-limited, indolent disease, with an excellent prognosis after implant and capsule removal. However, capsular invasion and tumor mass have a more aggressive course and a fatal outcome risk. This review summarizes the current knowledge on BIA-ALCL cell of origin and immunologic factors underlying its pathogenesis. Cytokine expression profiling of BIA-ALCL cell lines and clinical specimens reveals a predominantly type 17 helper T-cell (Th17)/Th1 signature, implicating this as its cell of origin. However, a Th2 allergic inflammatory response is suggested by the presence of IL-13, with infiltration of eosinophils and IgE-coated mast cells in clinical specimens of BIA-ALCL. The microenvironment-induced T-cell plasticity, a factor increasingly appreciated, may partially explain these divergent results. Mutations resulting in constitutive Janus kinase (JAK)–STAT activation have been detected and associated with BIA-ALCL pathogenesis in a small number of cases. One possible scenario is that an inflammatory microenvironment stimulates an immune response, followed by polyclonal expansion of Th17/Th1 cell subsets with release of inflammatory cytokines and chemokines and accumulation of seroma. JAK-STAT3 gain-of-function mutations within this pathway and others may subsequently lead to monoclonal T-cell proliferation and clinical BIA-ALCL. Current research suggests that therapies targeting JAK proteins warrant investigation in BIA-ALCL.
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23
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Insights into the Microbiome of Breast Implants and Periprosthetic Tissue in Breast Implant-Associated Anaplastic Large Cell Lymphoma. Sci Rep 2019; 9:10393. [PMID: 31316085 PMCID: PMC6637124 DOI: 10.1038/s41598-019-46535-8] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 07/01/2019] [Indexed: 02/07/2023] Open
Abstract
Though rare, breast implant-associated anaplastic large cell lymphoma (BIA-ALCL), a CD30+ T-cell lymphoma associated with textured breast implants, has adversely impacted our perception of the safety of breast implants. Its etiology unknown, one hypothesis suggests an initiating inflammatory stimulus, possibly infectious, triggers BIA-ALCL. We analyzed microbiota of breast, skin, implant and capsule in BIA-ALCL patients (n = 7), and controls via culturing methods, 16S rRNA microbiome sequencing, and immunohistochemistry. Alpha and beta diversity metrics and relative abundance of Gram-negative bacteria were calculated, and phylogenetic trees constructed. Staphylococcus spp., the most commonly cultured microbes, were identified in both the BIA-ALCL and contralateral control breast. The diversity of bacterial microbiota did not differ significantly between BIA-ALCL and controls for any material analyzed. Further, there were no significant differences in the relative abundance of Gram-negative bacteria between BIA-ALCL and control specimens. Heat maps suggested substantial diversity in the composition of the bacterial microbiota of the skin, breast, implant and capsule between patients with no clear trend to distinguish BIA-ALCL from controls. While we identified no consistent differences between patients with BIA-ALCL-affected and contralateral control breasts, this study provides insights into the composition of the breast microbiota in this population.
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24
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The Epidemiology of Breast Implant-Associated Anaplastic Large Cell Lymphoma in Australia and New Zealand Confirms the Highest Risk for Grade 4 Surface Breast Implants. Plast Reconstr Surg 2019; 143:1285-1292. [PMID: 30789476 DOI: 10.1097/prs.0000000000005500] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The epidemiology and implant-specific risk for breast implant-associated (BIA) anaplastic large cell lymphoma (ALCL) has been previously reported for Australia and New Zealand. The authors now present updated data and risk assessment since their last report. METHODS New cases in Australia and New Zealand were identified and analyzed. Updated sales data from three leading breast implant manufacturers (i.e., Mentor, Allergan, and Silimed) were secured to estimate implant-specific risk. RESULTS A total of 26 new cases of BIA-ALCL were diagnosed between January of 2017 and April of 2018, increasing the total number of confirmed cases in Australia and New Zealand to 81. This represents a 47 percent increase in the number of reported cases over this period. The mean age and time to development remain unchanged. The implant-specific risk has increased for Silimed polyurethane (23.4 times higher) compared with Biocell, which has remained relatively static (16.5 times higher) compared with Siltex implants. CONCLUSIONS The number of confirmed cases of BIA-ALCL in Australia and New Zealand continues to rise. The implant-specific risk has now changed to reflect a strong link to implant surface area/roughness as a major association with this cancer.
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25
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Quesada AE, Medeiros LJ, Clemens MW, Ferrufino-Schmidt MC, Pina-Oviedo S, Miranda RN. Breast implant-associated anaplastic large cell lymphoma: a review. Mod Pathol 2019; 32:166-188. [PMID: 30206414 DOI: 10.1038/s41379-018-0134-3] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/31/2018] [Accepted: 06/02/2018] [Indexed: 12/23/2022]
Abstract
Breast implant-associated anaplastic large cell lymphoma is a newly recognized provisional entity in the 2017 revision of the World Health Organization Classification of Tumors of Hematopoietic and Lymphoid Tissues. It is an uncommon, slow growing T-cell lymphoma with morphology and immunophenotype similar to anaplastic lymphoma kinase-negative anaplastic large cell lymphoma. However, the presentation and treatment are unique. Breast implant-associated anaplastic large cell lymphoma often presents as a unilateral effusion confined to the capsule of a textured-surface breast implant, a median time of 9 years after the initial implants have been placed. Although it follows an indolent clinical course, breast implant-associated anaplastic large cell lymphoma has the potential to form a mass, to invade locally through the capsule into breast parenchyma or soft tissue and/or to spread to regional lymph nodes. In most cases, an explantation with a complete capsulectomy removing all disease, without chemotherapy is considered to be curative and confers an excellent event free and overall survival. Here we provide a comprehensive review of breast implant-associated anaplastic large cell lymphoma, including history, epidemiology, clinical features, imaging and pathology findings, pathologic handling, pathogenic mechanisms, model for progression, therapy and outcomes as well as an analysis of causality between breast implants and anaplastic large cell lymphoma.
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Affiliation(s)
- Andrés E Quesada
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mark W Clemens
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Sergio Pina-Oviedo
- Department of Pathology and Laboratory Services, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Roberto N Miranda
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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26
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Turner SD. The Cellular Origins of Breast Implant-Associated Anaplastic Large Cell Lymphoma (BIA-ALCL): Implications for Immunogenesis. Aesthet Surg J 2019; 39:S21-S27. [PMID: 30715172 DOI: 10.1093/asj/sjy229] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The exact cellular origins of most malignancies are unknown, largely because of the complex nature of malignancies, and because the potential vast number of pathways towards transformation are difficult to discern from established growths. This is compounded by the fact that cancer cells have evolved rather than being the consequence of a design process, with most data collected from (sometimes epidemiological) studies of large numbers of related malignancies. In the case of breast implant-associated anaplastic large cell lymphoma (BIA-ALCL), the relative rarity of this disease, coupled with limited insight into its biological basis, have hampered progress. The known facts that are holding up as our knowledge increases with rising incidences are that most cases have been reported in the context of textured breast implants, although not all women with these implants develop BIA-ALCL, and cure for early-stage disease (accounting for the majority of patients) can be achieved via complete capsulectomy and implant removal. However, some theories can be gleaned from the limited biological studies conducted to date whereby a T-helper cell derivation is implicated, with its specific and apparent subset of origin dependent on, and shaped by, a number of factors, including the inflammatory microenvironment (the presence of other inflammatory cell types), the driving antigen (bacterial and/or synthetic), the acquisition of driving oncogenic events, and the inherent genetics/health status of the patient.
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Affiliation(s)
- Suzanne Dawn Turner
- Division of Cellular and Molecular Pathology, Department of Pathology, University of Cambridge, Cambridge, UK
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27
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Rastogi P, Deva AK, Prince HM. Breast Implant-Associated Anaplastic Large Cell Lymphoma. Curr Hematol Malig Rep 2018; 13:516-524. [DOI: 10.1007/s11899-018-0478-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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28
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An Exploration into the Origins and Pathogenesis of Anaplastic Large Cell Lymphoma, Anaplastic Lymphoma Kinase (ALK)-Positive. Cancers (Basel) 2017. [PMCID: PMC5664080 DOI: 10.3390/cancers9100141] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
T-cell non-Hodgkin lymphoma is a heterogeneous disease ranging from malignancies arising from thymic T cells halted in development, through to mature, circulating peripheral T cells. The latter cases are diagnostically problematic with many entering the category of peripheral T-cell lymphoma, not otherwise specified (PTCL, NOS). Anaplastic large cell lymphoma (ALCL) is one of the exceptions to this whereby aberrant expression of anaplastic lymphoma kinase (ALK) and the distinctive presence of cell surface CD30 places this entity in its own class. Besides the expression of a well-studied oncogenic translocation, ALCL, ALK+ may also have a unique pathogenesis with a thymic origin like T lymphoblastic lymphoma but a peripheral presentation akin to PTCL. This perspective discusses evidence towards the potential origin of ALCL, ALK+, and mechanisms that may give rise to its unique phenotype.
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29
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Egger G, Turner SD. New avenues for targeted therapies and biomarkers in anaplastic large cell lymphoma. Epigenomics 2017; 9:97-100. [PMID: 28097892 DOI: 10.2217/epi-2016-0159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Gerda Egger
- Clinical Institute of Pathology, Medical University of Vienna, Währinger Gürtel 18-20, 1090 Vienna, Austria.,Ludwig Boltzmann Institute Applied Diagnostics, Währinger Gürtel 18-20, 1090 Vienna, Austria
| | - Suzanne D Turner
- Division of Molecular Histopathology, Department of Pathology, University of Cambridge, Lab Block Level 3, Addenbrooke's Hospital, Cambridge CB20QQ, UK
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