Cited by 523Research on Leishmaniasis StudiesLeprosy Research and TreatmentImmune cells in cancer

Tumor necrosis factor- alpha synergizes with IFN- gamma in mediating killing of Leishmania major through the induction of nitric oxide.

Liew, F Y, Li, Y, Millott, S·1990·The Journal of Immunology

Abstract

CBA mice develop cutaneous lesions when infected with Leishmania major. The disease development was significantly reduced by injecting into the lesion a combination of rIFN-gamma and rTNF-alpha. The doses of IFN-gamma and TNF-alpha used were suboptimal in that either cytokine alone did not have any effect. The therapeutic effect of IFN-gamma and TNF-alpha in vivo is reflected in their ability to activate macrophages to kill the intracellular parasites in vitro. The macrophage leishmanicidal activity induced by TNF-alpha and IFN-gamma can be completely inhibited by a specific inhibitor (l-NG monomethyl arginine) of nitric oxide synthesis. There was a direct correlation between the intracellular killing of the parasites and the production of nitric oxide by the macrophages. In contrast, there was no correlation between leishmanicidal activity and superoxide production by macrophages.

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Crossref · 10.4049/jimmunol.145.12.4306

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Authors
Liew, F. Y., Li, Y., & Millott, S.
Affiliations
Wellcome Trust (GB)
Venue
The Journal of Immunology
Published
1990-12
Volume
145
Issue
12
Pages
4306-4310
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1739247159
Cited by
522
References
0
Citations by year
2026: 1 · 2025: 5 · 2024: 5 · 2023: 9 · 2022: 10 · 2021: 9 · 2020: 16 · 2019: 7 · 2018: 14 · 2017: 16 · 2016: 11 · 2015: 13 · 2014: 21 · 2013: 16 · 2012: 15
FWCI
37.31
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Research on Leishmaniasis Studies
  • Health Sciences › Medicine › Infectious Diseases › Leprosy Research and Treatment
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
Keywords
Leishmania major, cutaneous leishmaniasis, TNF-α, interferon-gamma, nitric oxide, macrophage activation, antileishmanial activity, L-NG-monomethylarginine, superoxide, cytokine synergy
MeSH terms
Animals, Arginine, Cytotoxicity, Immunologic, Drug Synergism, Hydrogen Peroxide, Immunity, Cellular, Interferon-gamma, Leishmania tropica, Leishmaniasis, Macrophages, Mice, Inbred CBA, Nitric Oxide, Nitrites, Superoxides, Tumor Necrosis Factor-alpha, omega-N-Methylarginine, Mice

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