Impact of IL-32 on Histamine Release by Human Derived Umbilical Cord Blood Mast Cells

Author:

Castellani M.L.1,Toniato E.1,Felaco P.2,Ciampoli C.3,De Amicis D.4,Orso C.4,Cucurullo C.5,Vecchiet J.6,Tetè S.7,Salini V.4,Caraffa A.8,Pandolfi F.9,Antinolfi P.L.8,Cerulli G.8,Conti F.10,Fulcheri M.11,Sabatino G.12,Boscolo P.13,Shaik Y.B.14

Affiliation:

1. Immunology Division, University of Chieti, Chieti, Italy

2. Division of Nephrology, University of Chieti, Chieti, Italy

3. Clinic of Infectious Diseases, Medical School, University of Chieti-Pescara, Chieti, Italy

4. Department of Human Dynamics, University of Chieti-Pescara, Italy

5. Division of Medical Pathology, University of Chieti, Italy

6. Clinical of Infectious Diseases, Medical School, University of Chieti-Pescara, Chieti, Italy

7. Dental School, University of Chieti-Pescara, Chieti, Italy

8. Orthopaedics Division, University of Perugia, Perugia, Italy

9. Catholic University, Rome, Italy

10. Gynecology Division, University of Chieti, Chieti, Italy

11. Department of Clinical Psychology, University of Chieti-Pescara, Italy

12. Department of Paediatrics, G. d'Annunzio University of Chieti-Pescara, Chieti, Italy

13. Department of Biomedical Science, University of Chieti, Chieti, Italy

14. Department of Medicine, Boston University School of Medicine, Boston, MA, USA.

Abstract

IL-32 is onae of the last important cytokines discovered, produced mainly by T cells, natural killer cells, and epithelial cells. Probably many other different cells are a source of IL-32, which has been found to be a powerful pro-inflammatory mediator. Here we studied the effect of IL-32 on histamine release by human-derived cord-blood mast cells. In these studies we found that IL-32 significantly stimulates the release of histamine only at high concentrations (100 ng/ml) while at 10 or 50 ng/ml it had no effect. These results were found for the first time and demonstrate that IL-32 may play an important role in allergic and inflammatory diseases.

Publisher

SAGE Publications

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