Antagonistic effects of an alternative splice variant of human IL-4, IL- 4δ2, on IL-4 activities in human monocytes and B cells

Yojiro Arinobu, Sergei P. Atamas, Takeshi Otsuka, Hiroaki Niiro, Kunihiro Yamaoka, Hiromichi Mitsuyasu, Yoshiyuki Niho, Naotaka Hamasaki, Barbara White, Kenji Izuhara

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

IL-4 is a pleiotropic cytokine which exerts its actions on various lineages of hematopoietic and nonhematopoietic cells. This cytokine is one of the central regulators of immunity in health and disease states. An alternative splice variant, in which the second of four exons is omitted, has been recently described and designated as IL-4δ2. The variant has been previously described as a potential naturally occurring antagonist of human IL-4 (hIL-4)-stimulated T cell proliferation. In this study, we investigated the effects of recombinant human (rh) IL-4δ2 on monocytes and B cells. In monocytes, rhIL-4δ2 blocked inhibitory action of hIL-4 on LPS-induced cyclooxygenase-2 expression and subsequent prostaglandin E2 secretion. In B cells, rhIL-4δ2 was an antagonist of the hIL-4-induced synthesis of IgE and expression of CD23. Our results broaden the spectrum of hIL-4-antagonistic activities of rhIL-4δ2, thus creating the background for the potential use of rhIL-4δ2 as a therapeutic anti-hIL-4 agent.

Original languageEnglish
Pages (from-to)161-167
Number of pages7
JournalCellular Immunology
Volume191
Issue number2
DOIs
Publication statusPublished - 1999 Feb 1
Externally publishedYes

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Human Activities
Interleukin-4
Monocytes
B-Lymphocytes
Cytokines
Cyclooxygenase 2
Dinoprostone
Immunoglobulin E
Exons
Immunity
Cell Proliferation
T-Lymphocytes
Health

ASJC Scopus subject areas

  • Cell Biology
  • Immunology

Cite this

Arinobu, Y., Atamas, S. P., Otsuka, T., Niiro, H., Yamaoka, K., Mitsuyasu, H., ... Izuhara, K. (1999). Antagonistic effects of an alternative splice variant of human IL-4, IL- 4δ2, on IL-4 activities in human monocytes and B cells. Cellular Immunology, 191(2), 161-167. https://doi.org/10.1006/cimm.1998.1431

Antagonistic effects of an alternative splice variant of human IL-4, IL- 4δ2, on IL-4 activities in human monocytes and B cells. / Arinobu, Yojiro; Atamas, Sergei P.; Otsuka, Takeshi; Niiro, Hiroaki; Yamaoka, Kunihiro; Mitsuyasu, Hiromichi; Niho, Yoshiyuki; Hamasaki, Naotaka; White, Barbara; Izuhara, Kenji.

In: Cellular Immunology, Vol. 191, No. 2, 01.02.1999, p. 161-167.

Research output: Contribution to journalArticle

Arinobu, Y, Atamas, SP, Otsuka, T, Niiro, H, Yamaoka, K, Mitsuyasu, H, Niho, Y, Hamasaki, N, White, B & Izuhara, K 1999, 'Antagonistic effects of an alternative splice variant of human IL-4, IL- 4δ2, on IL-4 activities in human monocytes and B cells', Cellular Immunology, vol. 191, no. 2, pp. 161-167. https://doi.org/10.1006/cimm.1998.1431
Arinobu, Yojiro ; Atamas, Sergei P. ; Otsuka, Takeshi ; Niiro, Hiroaki ; Yamaoka, Kunihiro ; Mitsuyasu, Hiromichi ; Niho, Yoshiyuki ; Hamasaki, Naotaka ; White, Barbara ; Izuhara, Kenji. / Antagonistic effects of an alternative splice variant of human IL-4, IL- 4δ2, on IL-4 activities in human monocytes and B cells. In: Cellular Immunology. 1999 ; Vol. 191, No. 2. pp. 161-167.
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