Cited by 80T-cell and Retrovirus StudiesInfectious Diseases and TuberculosisHIV Research and Treatment

Reduction in HTLV‐I proviral load and spontaneous lymphoproliferation in HTLV‐I–associated myelopathy/tropical spastic paraparesis patients treated with humanized anti‐tac

Lehky, Tanya J., Levin, Michael C., Kubota, Ryuji, Bamford, Richard N., Flerlage, Alfred N., Soldan, Samantha S., Leist, Thomas P., Xavier, Andrew +8 more·1998·Annals of Neurology

Abstract

Human T‐lymphotropic virus type I (HTLV‐I)‐associated myelopathy/tropical spastic paraparesis (HAM/TSP) is a neurological disease that results from an interaction of retroviral infection and immune activation. In this study, five doses (1 mg/kg) of humanized anti‐Tac antibody were administered to 9 HAM/TSP patients at weeks 0,2,6,10, and 14. Preliminary immunological studies on HAM/TSP patients treated with humanized anti‐Tac indicate that there is a selective down‐regulation of activated T cells and a decrease in the HTLV‐I viral load in peripheral blood lymphocytes, most likely through the selective removal of HTLV‐I–infected, activated CD4+ lymphocytes.

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Registry

Crossref · 10.1002/ana.410440613

Cites

28 of 28 references verified0 citation errors · 0 not checkable

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  • Daclizumab was found to lower PVL in PBMCs with selective downregulation of HTLV-1-infected CD4+ T cells.

    “The first molecular, targeted mAb specific for HAM was against the Humanized IL-2 receptor α-chain antibody (anti-Tac or daclizumab), which was found to lower PVL in PBMCs with selective downregulation of HTLV-1-infected CD4+ T cells [249].”

    From Current State of Therapeutics for HTLV-1 (2024) · cites this paper as [249]

  • Significant improvements to patient outcome were not observed in the nine patients treated with daclizumab.

    “However, significant improvements to patient outcome were not observed in the nine patients treated.”

    From Current State of Therapeutics for HTLV-1 (2024) · cites this paper as [249]

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Authors
Lehky, T. J., Levin, M. C., Kubota, R., Bamford, R. N., Flerlage, A. N., Soldan, S. S., Leist, T. P., Xavier, A., White, J. D., Brown, M., Fleisher, T. A., Top, L. E., Light, S., McFarland, H. F., Waldmann, T. A., & Jacobson, S.
Affiliations
  • National Institutes of Health (US)
  • National Institute of Neurological Disorders and Stroke (US)
  • National Cancer Institute (US)
Corresponding author
Lehky, Tanya J.
Venue
Annals of Neurology
Publisher
Wiley
Published
1998-12
Volume
44
Issue
6
Pages
942-947
ISSN
  • 0364-5134 (ISSN-L)
  • 1531-8249
OpenAlex
W2168437273
Cited by
80
References
30
Citations by year
2026: 3 · 2024: 2 · 2023: 1 · 2022: 2 · 2021: 2 · 2020: 1 · 2019: 5 · 2017: 3 · 2016: 1 · 2015: 2 · 2014: 7 · 2013: 4 · 2012: 4
FWCI
1.66
Type
journal article
Language
en
Open access
closed
Locations
  • Annals of Neurology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and Retrovirus Studies
  • Health Sciences › Medicine › Surgery › Infectious Diseases and Tuberculosis
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
Keywords
HTLV-1, HAM/TSP, proviral load, lymphoproliferation, CD4+ T cells, activated T cells, viral load reduction, immune activation, retroviral infection, neurological disorders
MeSH terms
Antibodies, Blood Cells, Cell Division, Humans, Lymphocytes, Proviruses, Human T-lymphotropic virus 1, Receptors, Interleukin-2, Paraparesis, Tropical Spastic, Immunophenotyping, Lymphocyte Subsets, Treatment Outcome, Viral Load

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