Detection of cytokines at the site of tuberculin-induced delayed-type hypersensitivity in man

Cong-Qiu Chu, M. Field, E. Andrew, D. Haskard, M. Feldmann, R. N. Maini

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Cytokines are chiefly local mediators which play an important role in the regulation of the cell-cell interactions which may be involved in the development of the delayed-type hypersensitivity (DTH) reaction. Using immunohistochemical techniques, the presence of IL-1α, IL-Iβ, IL-6, interferon-gamma (IFN-γ) and tumour necrosis factor-alpha (TNF-α) in the skin in tuberculin-purified protein derivative (PPD)-induced DTH reactions was investigated in six normal individuals. Cells staining for these cytokines were first observed 6 h after PPD challenge, and they were detected throughout the duration of the 7-day experiment. The number of cells staining for IFN-γ reached a peak at 48 h, where 33% of the total aggregate cells were positive, but declined thereafter to 3% at day 7. On the other hand the number of cells staining for TNF-α and IL-1 persisted at high levels throughout the observation period of 7 days (e.g. at 48 h and thereafter, about 40% cells positive for TNF-α and 20% for IL-1α and IL-1β). Double immunofluorescence and staining on sequential sections showed that IFN-γ-staining cells were CD3+ T cells; TNF-α, IL-1 and IL-6 staining cells were mainly of the CD68+ macrophages/monocytes and that 80% of the CD1a+ cells (Langerhans-like cells) in the dermis contained TNF-α and IL-1. The presence of these cytokines at the site of inflammation suggests that they may be locally produced by the inflammatory cells. Their persistence during the reaction suggests that they are intimately associated with this response, and are involved in the development of the reaction.

Original languageEnglish (US)
Pages (from-to)522-529
Number of pages8
JournalClinical and Experimental Immunology
Volume90
Issue number3
StatePublished - 1992
Externally publishedYes

Fingerprint

Tuberculin
Delayed Hypersensitivity
Interleukin-1
Cytokines
Staining and Labeling
Tumor Necrosis Factor-alpha
Interferon-gamma
Interleukin-6
Cell Count
Langerhans Cells
Dermis
Cell Communication
Fluorescent Antibody Technique
Monocytes
Macrophages
Observation
Inflammation
T-Lymphocytes
Skin

Keywords

  • IL-1
  • IL-6 tumour necrosis factor-alpha
  • interferon-gamma
  • tuberculin-induced delayed-type hypersensitivity

ASJC Scopus subject areas

  • Immunology

Cite this

Chu, C-Q., Field, M., Andrew, E., Haskard, D., Feldmann, M., & Maini, R. N. (1992). Detection of cytokines at the site of tuberculin-induced delayed-type hypersensitivity in man. Clinical and Experimental Immunology, 90(3), 522-529.

Detection of cytokines at the site of tuberculin-induced delayed-type hypersensitivity in man. / Chu, Cong-Qiu; Field, M.; Andrew, E.; Haskard, D.; Feldmann, M.; Maini, R. N.

In: Clinical and Experimental Immunology, Vol. 90, No. 3, 1992, p. 522-529.

Research output: Contribution to journalArticle

Chu, C-Q, Field, M, Andrew, E, Haskard, D, Feldmann, M & Maini, RN 1992, 'Detection of cytokines at the site of tuberculin-induced delayed-type hypersensitivity in man', Clinical and Experimental Immunology, vol. 90, no. 3, pp. 522-529.
Chu, Cong-Qiu ; Field, M. ; Andrew, E. ; Haskard, D. ; Feldmann, M. ; Maini, R. N. / Detection of cytokines at the site of tuberculin-induced delayed-type hypersensitivity in man. In: Clinical and Experimental Immunology. 1992 ; Vol. 90, No. 3. pp. 522-529.
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