ArticleScandinavian journal of immunology2011
Evaluation of the microbicidal activity and cytokines/chemokines profile released by neutrophils from HTLV-1-infected individuals.
Article in Scandinavian journal of immunology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 8 citations in OpenAlex.
- The Role of Chemokines in the Pathogenesis of HTLV-1.Frontiers in microbiology · 2020Review
- Immunopathogenesis and Cellular Interactions in Human T-Cell Leukemia Virus Type 1 Associated Myelopathy/Tropical Spastic Paraparesis.Frontiers in microbiology · 2020Review
- Characterization of Neutrophil Function in Human Cutaneous Leishmaniasis Caused by Leishmania braziliensis.PLoS neglected tropical diseases · 2016Article
- Neutrophil-derived chemokines on the road to immunity.Seminars in immunology · 2016Review
- Functional activity of monocytes and macrophages in HTLV-1 infected subjects.PLoS neglected tropical diseases · 2014Article
- Immunological profile of HTLV-1-infected patients associated with infectious or autoimmune dermatological disorders.PLoS neglected tropical diseases · 2013Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
Human T cell lymphotropic virus type-1 (HTLV-1) induces activation and spontaneous proliferation of T cells with production of type-1 pro-inflammatory cytokines. It modifies the immune response to other antigens and increases susceptibility to infectious diseases. However, little is known about innate immunity in HTLV-1 infection. HTLV-1-infected individuals have higher spontaneous neutrophil activation than HTLV-1-seronegative individuals, as shown by the nitroblue tetrazolium (NBT) assay. This study was conducted to evaluate neutrophil function in HTLV-1-infected individuals. Participants in the study included 18 HTLV-1-infected individuals and 14 HTLV-1-seronegative controls. We evaluated the ability of neutrophils (PMNs) to control a parasite infection, to produce peroxynitrite, cytokines and chemokines and to express activation markers in cultures when stimulated with LPS or infected with Leishmania. When compared with the control group, there was no difference in the percentage of PMNs infected with Leishmania or in the number of amastigotes/100 PMNs in HTLV-1-infected individuals. The microbicidal activity of the PMNs and the levels of CXCL8 and CCL4 released by these cells did not show a difference between HTLV-1-infected individuals and the control group. In both the HTLV-1 group and the control group, infection with Leishmania or stimulation of PMNs led to cellular activation. These observations suggest that neutrophils from HTLV-1-infected individuals have preserved their ability to become activated and to produce chemokines and peroxynitrite after stimulation and that the susceptibility to infection by intracellular Leishmania amazonensis in HTLV-1-infected individuals does not depend on impairment of neutrophil function.
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Registered trials
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