Cited by 71Hemoglobinopathies and Related DisordersIron Metabolism and DisordersT-cell and B-cell Immunology

Effect of transfusional iron overload on immune response.

Cunningham‐Rundles, Susanna, Giardina, Patricia J., Grady, Robert W., Califano, Claudia, McKenzie, Priscilla, De Sousa, Maria·2000·The Journal of Infectious Diseases

Abstract

Increased susceptibility to infectious disease is observed in persons with transfusion-dependent thalassemia and iron overload who experience increased exposure to pathogens and chronic immune stimulation. An abnormal low CD8(+) T (LT8) immune phenotype defines a subgroup of patients. The CD8(+) T cell immunophenotype is stable despite continued blood transfusion and is independent of age. CD8(+) T cells, but not CD4(+) T cells, were modulated during intravenous chelation with deferoxamine. Return to characteristic pretreatment levels of CD8 was observed in both the low and the normal groups, suggesting the possibility of a set point. Proliferative response to mitogens and antigens was increased by chelation. Because CD8(+) T cells are important in immune response to infectious disease, these studies suggest that intrinsic CD8(+) T cell subset differences may be a critical factor in determining susceptibility to infection independent of transfusional iron overload or alloantigen exposure.

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Crossref · 10.1086/315919

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70 of 70 references verified0 citation errors · 0 not checkable

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  • These observations are consistent with reports of greater microbial burden in patients with Fe overload disease and predict that mutations affecting macrophage Fe levels may compromise microbial containment and dictate dependence of microbes on distinct mechanisms of Fe uptake.

    “These observations are consistent with reports of greater microbial burden in patients with Fe overload disease [15], [18], [19], [20], [21] and predict that mutations affecting macrophage Fe levels may not only compromise microbial containment, but may also dictate the dependence of microbes on distinct mechanisms of Fe uptake.”
  • Transfusion-dependent thalassemia patients present with increased susceptibility to widespread microbial infection that correlates with the degree of Fe overload.

    “In the same way, transfusion-dependent thalassemia patients present with increased susceptibility to widespread microbial infection that correlates with the degree of Fe overload [19].”

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Authors
Cunningham‐Rundles, S., Giardina, P. J., Grady, R. W., Califano, C., McKenzie, P., & De Sousa, M.
Affiliations
NewYork–Presbyterian Hospital (US)
Venue
The Journal of Infectious Diseases
Published
2000-09
Volume
182
Issue
s1
Pages
S115-S121
ISSN
  • 0022-1899 (ISSN-L)
  • 1537-6613
OpenAlex
W2104522851
Cited by
71
References
71
Citations by year
2024: 1 · 2023: 1 · 2022: 2 · 2021: 2 · 2020: 5 · 2019: 1 · 2018: 2 · 2017: 3 · 2016: 7 · 2015: 5 · 2014: 4 · 2013: 1 · 2012: 1
FWCI
1.81
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Infectious Diseases (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Health and Human Services
  • National Institutes of Health
  • Weill Cornell Medical College
  • National Cancer Institute (CA-29502)
  • National Center for Research Resources (RR6020)
Topics
  • Health Sciences › Medicine › Genetics › Hemoglobinopathies and Related Disorders
  • Health Sciences › Medicine › Hematology › Iron Metabolism and Disorders
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
Keywords
transfusional iron overload, transfusion-dependent thalassemia, CD8+ T cells, CD4+ T cells, immunophenotype, deferoxamine, chelation therapy, infection susceptibility, T cell proliferation, chronic immune stimulation
MeSH terms
Adolescent, Adult, Chelating Agents, Child, Child, Preschool, Deferoxamine, Female, Greece, Humans, Italy, Male, Middle Aged, New York City, Immunophenotyping, T-Lymphocyte Subsets, beta-Thalassemia, CD8-Positive T-Lymphocytes, Iron Overload, White People, Transfusion Reaction

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