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Letafati A, Soheili R, Norouzi M, Soleimani P, Mozhgani SH. Therapeutic approaches for HTLV-1-associated adult T-cell leukemia/lymphoma: a comprehensive review. Med Oncol 2023; 40:295. [PMID: 37689806 DOI: 10.1007/s12032-023-02166-8] [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: 07/03/2023] [Accepted: 08/18/2023] [Indexed: 09/11/2023]
Abstract
Adult T-cell leukemia/lymphoma (ATLL), an infrequent malignancy resultant from human T-cell lymphotropic virus type I (HTLV-1), exhibits a spectrum of phenotypes, encompassing acute, smoldering, lymphomatous, and chronic variants, each bearing distinct clinical presentations. The preponderant acute manifestation is characterized by hypercalcemia, systemic manifestations, organomegaly, and dermatological eruptions. Conversely, the chronic phenotype is typified by lymphocytosis and/or cutaneous eruptions, while smoldering ATLL assumes an asymptomatic course. Immunocompromise afflicts ATLL patients, heightening their vulnerability to opportunistic infections that frequently intricately intertwine with disease progression. Therefore, an early diagnosis is crucial to manage the disease appropriately. While conventional chemotherapeutic regimens have shown limited success, especially in acute and lymphoma types, recent studies suggest that allogeneic stem cell transplantation might enhance treatment results because it has shown promising outcomes in some patients. Novel therapeutics, such as interferon and monoclonal antibodies, have also shown promise, but more research is needed to confirm their efficacy. Moreover, the identification of biomarkers for ATLL and genetic changes in HTLV-1 infected cells has led to the development of targeted therapies that have shown remarkable success in clinical trials. These targeted therapies have the potential to offer a more personalized approach to the treatment of ATLL. The aim of our review is to elaborate on conventional and novel therapies and the efficiency of mentioned treatments.
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Affiliation(s)
- Arash Letafati
- Department of Virology, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Roben Soheili
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Mehdi Norouzi
- Department of Virology, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran
| | - Parastoo Soleimani
- Advanced Science Faculty, Tehran Medical Branch, Islamic Azad University, Tehran, Iran
| | - Sayed-Hamidreza Mozhgani
- Research Center for Clinical Virology, Tehran University of Medical Science, Tehran, Iran.
- Department of Microbiology and Virology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.
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Kyriakou E, Magiorkinis G. Interplay between endogenous and exogenous human retroviruses. Trends Microbiol 2023; 31:933-946. [PMID: 37019721 DOI: 10.1016/j.tim.2023.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/09/2023] [Accepted: 03/13/2023] [Indexed: 04/07/2023]
Abstract
In humans, retroviruses thrive more as symbionts than as parasites. Apart from the only two modern exogenous human retroviruses (human T-cell lymphotropic and immunodeficiency viruses; HTLV and HIV, respectively), ~8% of the human genome is occupied by ancient retroviral DNA [human endogenous retroviruses (HERVs)]. Here, we review the recent discoveries about the interactions between the two groups, the impact of infection by exogenous retroviruses on the expression of HERVs, the effect of HERVs on the pathogenicity of HIV and HTLV and on the severity of the diseases caused by them, and the antiviral protection that HERVs can allegedly provide to the host. Tracing the crosstalk between contemporary retroviruses and their endogenized ancestors will provide better understanding of the retroviral world.
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Affiliation(s)
- Eleni Kyriakou
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Gkikas Magiorkinis
- Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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Dugardin J, Demar M, Hafsi N, Amroun H, Aurelus JM, Drak Alsibai K, Ntoutoum A, Santa F, Nacher M, Sabbah N. Human T-cell leukemia virus type 1 is associated with dysthyroidism in the French Amazon. Front Cell Infect Microbiol 2023; 13:1164526. [PMID: 37293205 PMCID: PMC10244722 DOI: 10.3389/fcimb.2023.1164526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 05/05/2023] [Indexed: 06/10/2023] Open
Abstract
Background Human T-cell leukemia virus type 1 (HTLV-1) is a retrovirus known to cause two major diseases: adult T-cell leukemia/lymphoma and a progressive neuromyelopathy-tropical spastic paraparesis. Many viruses may be involved in the pathogenesis of thyroiditis; however, few studies have focused on the role of HTLV-1. We aimed to investigate the association between HTLV-1 and biological thyroid dysfunction. Methods We included 357 patients with a positive HTLV-1 serology and thyroid-stimulating hormone assay data between 2012 and 2021 in a hospital in French Guiana; we compared the prevalence of hypothyroidism and hyperthyroidism in this group with that in an HTLV-1-negative control group (722 persons) matched for sex and age. Results The prevalence of hypothyroidism and hyperthyroidism in patients with HTLV-1 infection was significantly higher than that in the control group (11% versus 3.2% and 11.3% versus 2.3%, respectively; p < 0.001). Conclusion Our study shows, for the first time, the association between HTLV-1 and dysthyroidism in a large sample, suggesting that thyroid function exploration should be systematically implemented in this population as this may have an impact on therapeutic management.
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Affiliation(s)
- Julia Dugardin
- Department of Endocrinology and Metabolic Diseases, Cayenne Hospital Center, Cayenne, French Guiana
| | - Magalie Demar
- Laboratory of Parasitology-Mycology (LHUPM), Cayenne Hospital Center, Cayenne, French Guiana
| | - Nezha Hafsi
- Department of Endocrinology and Metabolic Diseases, Cayenne Hospital Center, Cayenne, French Guiana
| | - Hakim Amroun
- Department of Surgery, Cayenne Hospital Center, Cayenne, French Guiana
| | - Jean-Markens Aurelus
- Department of Endocrinology and Metabolic Diseases, Cayenne Hospital Center, Cayenne, French Guiana
| | - Kinan Drak Alsibai
- Department of Pathology and Center of Biological Resources (CRB Amazonie), Cayenne Hospital Center, Cayenne, French Guiana
| | - André Ntoutoum
- Department of Endocrinology and Metabolic Diseases, Cayenne Hospital Center, Cayenne, French Guiana
| | - Florin Santa
- Department of Internal Diseases, Cayenne Hospital Center, Cayenne, French Guiana
| | - Mathieu Nacher
- Clinical Investigation Center Antilles French Guiana (CIC INSERM 1424), Cayenne Hospital Center, Cayenne, French Guiana
| | - Nadia Sabbah
- Department of Endocrinology and Metabolic Diseases, Cayenne Hospital Center, Cayenne, French Guiana
- Clinical Investigation Center Antilles French Guiana (CIC INSERM 1424), Cayenne Hospital Center, Cayenne, French Guiana
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Zhao JY, Yuan XK, Luo RZ, Wang LX, Gu W, Yamane D, Feng H. Phospholipase A and acyltransferase 4/retinoic acid receptor responder 3 at the intersection of tumor suppression and pathogen restriction. Front Immunol 2023; 14:1107239. [PMID: 37063830 PMCID: PMC10102619 DOI: 10.3389/fimmu.2023.1107239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 03/22/2023] [Indexed: 04/03/2023] Open
Abstract
Phospholipase A and acyltransferase (PLAAT) 4 is a class II tumor suppressor with phospholipid metabolizing abilities. It was characterized in late 2000s, and has since been referred to as ‘tazarotene-induced gene 3’ (TIG3) or ‘retinoic acid receptor responder 3’ (RARRES3) as a key downstream effector of retinoic acid signaling. Two decades of research have revealed the complexity of its function and regulatory roles in suppressing tumorigenesis. However, more recent findings have also identified PLAAT4 as a key anti-microbial effector enzyme acting downstream of interferon regulatory factor 1 (IRF1) and interferons (IFNs), favoring protection from virus and parasite infections. Unveiling the molecular mechanisms underlying its action may thus open new therapeutic avenues for the treatment of both cancer and infectious diseases. Herein, we aim to summarize a brief history of PLAAT4 discovery, its transcriptional regulation, and the potential mechanisms in tumor prevention and anti-pathogen defense, and discuss potential future directions of PLAAT4 research toward the development of therapeutic approaches targeting this enzyme with pleiotropic functions.
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Affiliation(s)
- Jian-Yong Zhao
- Hospital of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Cangzhou, Hebei, China
| | - Xiang-Kun Yuan
- Hospital of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Cangzhou, Hebei, China
| | - Rui-Zhen Luo
- Hospital of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Cangzhou, Hebei, China
| | - Li-Xin Wang
- Hospital of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Cangzhou, Hebei, China
| | - Wei Gu
- School of Medicine, Chongqing University, Chongqing, China
| | - Daisuke Yamane
- Department of Diseases and Infection, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
- *Correspondence: Hui Feng, ; Daisuke Yamane,
| | - Hui Feng
- School of Medicine, Chongqing University, Chongqing, China
- *Correspondence: Hui Feng, ; Daisuke Yamane,
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Langlois M, Bounou S, Tremblay MJ, Barbeau B. Infection of the Ex Vivo Tonsil Model by HTLV-1 Envelope-Pseudotyped Viruses. Pathogens 2023; 12:pathogens12020182. [PMID: 36839454 PMCID: PMC9958901 DOI: 10.3390/pathogens12020182] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Human T-cell leukemia virus type 1 (HTLV-1) is the causal agent of adult T-cell leukemia/lymphoma and HTLV-1-associated myelopathy/tropical spastic paraparesis. Its tropism is known to be broad in cultured cell lines, while in vivo data support a more selective transmission toward CD4+ T cells and the limited targeting of other hematopoietic cell types. An essential condition for HTLV-1 infection is cell-to-cell contact, to which both virological synapse and viral biofilm have been suggested to strongly contribute. As cell lines and animal models each present their own limitations in studying HTLV-1 replication, we have explored the use of an ex vivo model based on the secondary lymphoid tonsillar tissue. HIV-1 luciferase-expressing pseudotyped viruses bearing the HTLV-1 envelope protein at their surface were first shown to recapitulate the wide spectrum of infectivity of HTLV-1 toward various cell lines. Tonsil fragments were next exposed to pseudotyped viruses and shown to be reproducibly infected. Infection by HTLV-1 Env-pseudotyped viruses was blocked by different anti-gp46 antibodies, unlike infection by HIV-1 virions. The dose-dependent infection revealed a gradual increase in luciferase activity, which was again sensitive to anti-gp46 antibodies. Overall, these results suggest that the ex vivo tonsil model represents a reliable alternative for studying HTLV-1 replication and potentially viral latency, as well as early clonal formation.
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Affiliation(s)
- Mélanie Langlois
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier, Universitaire de Québec-Université Laval, Québec, QC G1V 4G2, Canada
| | - Salim Bounou
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier, Universitaire de Québec-Université Laval, Québec, QC G1V 4G2, Canada
- Euromed Research Center, Faculty of Pharmacy, Université EUROMED de Fès, Fez 30000, Morocco
| | - Michel J. Tremblay
- Axe des Maladies Infectieuses et Immunitaires, Centre de Recherche du Centre Hospitalier, Universitaire de Québec-Université Laval, Québec, QC G1V 4G2, Canada
- Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine, Université Laval, Québec, QC G1V 0A6, Canada
| | - Benoit Barbeau
- Département de Sciences Biologiques, Université du Québec à Montréal, Montréal, QC H3C 3P8, Canada
- Réseau Intersectoriel de Recherche en Santé de l’Université du Québec (RISUQ), Montréal, QC H2X 1E3, Canada
- Correspondence: ; Tel.: +1-514-987-3000 (ext. 4576)
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Umekita K. Effect of HTLV-1 Infection on the Clinical Course of Patients with Rheumatoid Arthritis. Viruses 2022; 14:v14071460. [PMID: 35891440 PMCID: PMC9323945 DOI: 10.3390/v14071460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 06/25/2022] [Accepted: 06/30/2022] [Indexed: 02/06/2023] Open
Abstract
Human T-cell leukemia virus type 1 (HTLV-1) is the causative agent of adult T-cell leukemia/lymphoma (ATL) and HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The effects of HTLV-1 on health are not fully elucidated. Epidemiological studies have shown that the prevalence of HTLV-1 infection is high in patients with rheumatic diseases. The prevalence of comorbidities, such as Sjögren’s syndrome and rheumatoid arthritis (RA), is higher in patients with HAM/TSP than the in general population. Studies have shown the effects of HTLV-1-infection on the clinical course of RA. Major questions on the association between HTLV-1 infection and RA: (1) Is it possible that HTLV-1 infection causes RA? (2) Do patients with RA who are infected with HTLV-1 have different clinical features? (3) Are immunosuppressants associated with an increased prevalence of HAM/TSP or ATL in RA patients with HTLV-1 infection? Is ATL an immunosuppressive therapy-associated lymphoproliferative disorder? No large-scale studies have investigated the incidence of ATL in patients with RA. However, several studies have reported the development of ATL in patients with RA who have HTLV-1 infection. This review aimed to shed light on the association between HTLV-1 infection and RA and summarize the unmet medical needs of RA patients with HTLV-1 infection.
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Affiliation(s)
- Kunihiko Umekita
- Division of Respirology, Rheumatology, Infectious Diseases and Neurology, Internal Medicine, Faculty of Medicine, University of Miyazaki, 5200 Kihara, Kiyotake, Miyazaki 889-1692, Japan
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