We describe a patient coinfected with human immunodeficiency virus (HIV) and human T lymphotropic virus type 2 in Spain who developed paraparesis resembling human T lymphotropic virus type 1-associated myelopathy/tropical spastic paraparesis shortly after initiation of highly active antiretroviral therapy, hypothetically as the result of an immune reconstitution inflammatory syndrome.
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http://dx.doi.org/10.1086/522172 | DOI Listing |
Viruses
January 2025
Center for Retrovirus Research, Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA.
Since the discovery of RNA in the early 1900s, scientific understanding of RNA form and function has evolved beyond protein coding. Viruses, particularly retroviruses like human T-cell leukemia virus type 1 (HTLV-1), rely heavily on RNA and RNA post-transcriptional modifications to regulate the viral lifecycle, pathogenesis, and evasion of host immune responses. With the emergence of new sequencing technologies in the last decade, our ability to dissect the intricacies of RNA has flourished.
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January 2025
Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-913, Brazil.
Background And Objectives: HTLV-1-associated myelopathy (HAM) is a chronic progressive inflammatory disease of the spinal cord. This study assesses the diagnostic accuracy of the neuroinflammatory biomarkers neopterin and cysteine-X-cysteine motif chemokine ligand 10 (CXCL-10) in cerebrospinal fluid (CSF) for HAM.
Methods: CSF samples from 75 patients with neurological disorders-33 with HAM (Group A), 19 HTLV-1-seronegative with other neuroinflammatory diseases (Group B), and 23 HTLV-1-seronegative with non-neuroinflammatory diseases (Group C)-were retrospectively evaluated.
Leuk Res
January 2025
Lymphoma Service, Division of Hematologic Malignancies, Department of Medicine, Memorial Sloan Kettering Cancer Center, 530 E 74th St., New York, NY 10021, USA; Department of Medicine, Weill Cornell Medical College, 1300 York Ave, New York, NY 10065, USA. Electronic address:
Adult T cell leukemia lymphoma (ATL) is a mature T cell neoplasm caused by human T-cell lymphotropic virus type 1 (HTLV-1). ATL is endemic in specific geographic regions of the world closely related to areas with high prevalence of HLTV-1 infection, including Southwestern Japan, the Caribbean Basin, Central Africa, South America, Northern and Central Australia. HLTV-1 is primarily transmitted through breastmilk in asymptomatic carriers with a long latency period before transformation into ATL in 3 - 5 % of carriers after acquisition of multiple leukemogenic mutations.
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January 2025
Section of Virology, Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, United Kingdom.
Introduction: Human T-cell lymphotropic virus type 1 (HTLV-1) may cause spinal cord inflammation, leading to HTLV-1-associated myelopathy (HAM). HAM is a chronic and progressive neurological disorder that is associated with increased mortality and impaired quality of life. There are limited data on the incidence of HAM, with higher rates seen in Latin America and the Caribbean compared to Japan.
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January 2025
Department of Microbiology and Virology, School of Medicine, Alborz University of Medical Sciences, Alborz, Iran.
Adult T-cell leukemia/lymphoma (ATLL) is a type of blood cancer related to human T-cell lymphotropic virus type 1 (HTLV-1). The principal aim of this study was to investigate cellular processes related to innate immune response, intracellular protein transport, and translational initiation regulation in individuals afflicted with ATLL and Acute lymphoblastic leukemia (ALL). Whole blood samples and peripheral blood mononuclear cells were collected from 10 viral ATLL patients and 10 ALL subjects.
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