PMID- 11529897 OWN - NLM STAT- MEDLINE DCOM- 20011018 LR - 20190901 IS - 0954-7894 (Print) IS - 0954-7894 (Linking) VI - 31 IP - 8 DP - 2001 Aug TI - IFN-gamma production in response to IL-18 or IL-12 stimulation by peripheral blood mononuclear cells of atopic patients. PG - 1263-70 AB - BACKGROUND: Several studies have shown that interleukin (IL)-4 and interferon-gamma (IFN-gamma) are important for the regulation of immunoglobulin E (IgE) production and that IL-18 and IL-12 induce IFN-gamma. OBJECTIVE: IFN-gamma production in response to IL-18 or IL-12 stimulation was investigated in peripheral blood mononuclear cells (PBMCs) of atopic patients with various levels of serum IgE. METHODS: Cytokine production from PBMCs was measured following stimulation with a non-specific stimulator (phytohemagglutinin: PHA), IL-18 or IL-12 in 12 healthy controls and 26 atopic patients with various serum IgE levels. RESULTS: IFN-gamma production by IL-18-stimulated PBMCs was positively correlated with IFN-gamma production by IL-12-stimulated PBMCs (P < 0.05). However some atopic patients showed discrepancy between the levels of IFN-gamma production stimulated by IL-12 and by IL-18. CONCLUSIONS: The results shown here suggest the presence of abnormalities in the IL-12 and/or IL-18 signalling pathways, such as genetic defects in the atopic patients. FAU - Shikano, H AU - Shikano H AD - Department of Paediatrics, Gifu University School of Medicine, 40 Tsukasa-machi, Gifu 500-8705, Japan. hshikano@cc.gifu-u.ac.jp FAU - Kato, Z AU - Kato Z FAU - Kaneko, H AU - Kaneko H FAU - Watanabe, M AU - Watanabe M FAU - Inoue, R AU - Inoue R FAU - Kasahara, K AU - Kasahara K FAU - Takemura, M AU - Takemura M FAU - Kondo, N AU - Kondo N LA - eng PT - Journal Article PL - England TA - Clin Exp Allergy JT - Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology JID - 8906443 RN - 0 (Interleukin-18) RN - 0 (Phytohemagglutinins) RN - 187348-17-0 (Interleukin-12) RN - 82115-62-6 (Interferon-gamma) SB - IM MH - Adolescent MH - Adult MH - Cells, Cultured MH - Child MH - Child, Preschool MH - Female MH - Humans MH - Hypersensitivity, Immediate/*immunology MH - Infant MH - Interferon-gamma/*biosynthesis/immunology MH - Interleukin-12/*pharmacology MH - Interleukin-18/*pharmacology MH - Leukocytes, Mononuclear/*immunology/*metabolism MH - Male MH - Phytohemagglutinins/immunology MH - Time Factors EDAT- 2001/09/01 10:00 MHDA- 2001/10/19 10:01 CRDT- 2001/09/01 10:00 PHST- 2001/09/01 10:00 [pubmed] PHST- 2001/10/19 10:01 [medline] PHST- 2001/09/01 10:00 [entrez] AID - cea1141 [pii] AID - 10.1046/j.1365-2222.2001.01141.x [doi] PST - ppublish SO - Clin Exp Allergy. 2001 Aug;31(8):1263-70. doi: 10.1046/j.1365-2222.2001.01141.x.