Propranolol as a modulator of M2b monocytes in severely burned patients

Makiko Kobayashi, Marc G. Jeschke, Akira Asai, Mari Kogiso, Shohei Yoshida, David Herndon, Fujio Suzuki

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A role of immunosuppressive M2 monocytes (IL-12-IL-10+) on the increased susceptibility of severely burned patients to various opportunistic pathogens has been described. Among M2 monocyte subpopulations, M2b monocytes (IL-17-CCL1+CXCL13-) are predominantly present in the peripheral blood of severely burned patients. In the present study, the rise and fall of M2b monocytes were examined in severely burned patients treated with propranolol. Catecholamine is known as an inducer of M2 monocytes, and propranolol is a competitive blocker of catecholamine binding to β-adrenergic receptors. Twenty-two children with 30% or more TBSA burn were enrolled in the study. Propranolol at a dose of 4 mg/kg/day was administered to these patients by feeding-tube or mouth. Burn patient monocytes exhibited weak bactericidal activity. IL-12 was produced by propranolol-treated patient monocytes after stimulation with Staphylococcus aureus antigen, and the production of IL-10, CCL1, CCL17, or CXCL13 by these monocytes was not demonstrated. These results indicate that a predominance of M2b monocytes in severely burned patients is intervened by the propranolol treatment. The increased susceptibility, to be associated with the appearance of M2b monocytes, of severely burned patients to opportunistic pathogens might be controlled by propranolol.

Original languageEnglish (US)
Pages (from-to)797-803
Number of pages7
JournalJournal of Leukocyte Biology
Volume89
Issue number5
DOIs
StatePublished - May 2011

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Propranolol
Monocytes
Interleukin-12
Interleukin-10
Catecholamines
Interleukin-17
Enteral Nutrition
Immunosuppressive Agents
Adrenergic Receptors
Mouth
Staphylococcus aureus
Antigens

Keywords

  • CCL1
  • Innate cell-mediated immunity

ASJC Scopus subject areas

  • Cell Biology
  • Immunology

Cite this

Kobayashi, M., Jeschke, M. G., Asai, A., Kogiso, M., Yoshida, S., Herndon, D., & Suzuki, F. (2011). Propranolol as a modulator of M2b monocytes in severely burned patients. Journal of Leukocyte Biology, 89(5), 797-803. https://doi.org/10.1189/jlb.1010553

Propranolol as a modulator of M2b monocytes in severely burned patients. / Kobayashi, Makiko; Jeschke, Marc G.; Asai, Akira; Kogiso, Mari; Yoshida, Shohei; Herndon, David; Suzuki, Fujio.

In: Journal of Leukocyte Biology, Vol. 89, No. 5, 05.2011, p. 797-803.

Research output: Contribution to journalArticle

Kobayashi, M, Jeschke, MG, Asai, A, Kogiso, M, Yoshida, S, Herndon, D & Suzuki, F 2011, 'Propranolol as a modulator of M2b monocytes in severely burned patients', Journal of Leukocyte Biology, vol. 89, no. 5, pp. 797-803. https://doi.org/10.1189/jlb.1010553
Kobayashi M, Jeschke MG, Asai A, Kogiso M, Yoshida S, Herndon D et al. Propranolol as a modulator of M2b monocytes in severely burned patients. Journal of Leukocyte Biology. 2011 May;89(5):797-803. https://doi.org/10.1189/jlb.1010553
Kobayashi, Makiko ; Jeschke, Marc G. ; Asai, Akira ; Kogiso, Mari ; Yoshida, Shohei ; Herndon, David ; Suzuki, Fujio. / Propranolol as a modulator of M2b monocytes in severely burned patients. In: Journal of Leukocyte Biology. 2011 ; Vol. 89, No. 5. pp. 797-803.
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