Azelastine and suplatast shorten the distribution half-life of IgE in rats

We aim to clarify whether suplatast and azelastine (anti-allergic drugs) can shorten the half-life of immunoglobulin E (IgE) in the circulating blood. Thirty Wistar rats were divided into six groups. Distilled water or anti-allergic drugs were given orally for 6 days after the first sensitization. T...

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Main Authors: Kazuhiko Hanashiro, Yoshihiro Tokeshi, Toshiyuki Nakasone, Masanori Sunagawa, Mariko Nakamura, Tadayoshi Kosugi
Format: Article
Language:English
Published: Wiley 2002-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1080/09629350210310
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author Kazuhiko Hanashiro
Yoshihiro Tokeshi
Toshiyuki Nakasone
Masanori Sunagawa
Mariko Nakamura
Tadayoshi Kosugi
author_facet Kazuhiko Hanashiro
Yoshihiro Tokeshi
Toshiyuki Nakasone
Masanori Sunagawa
Mariko Nakamura
Tadayoshi Kosugi
author_sort Kazuhiko Hanashiro
collection DOAJ
description We aim to clarify whether suplatast and azelastine (anti-allergic drugs) can shorten the half-life of immunoglobulin E (IgE) in the circulating blood. Thirty Wistar rats were divided into six groups. Distilled water or anti-allergic drugs were given orally for 6 days after the first sensitization. Two milligrams of monoclonal dinitrophenyl (DNP)-specific rat IgE was administered to the rats, which had been given suplatast or azelastine orally. The level of DNP-specific rat IgE in the serum was estimated by IgE-capture enzyme-linked immunosorbent assay, and the turnover of IgE was analyzed from its pharmacokinetic parameters. The elimination half-life of rat IgE was about 12 h irrespective of the sensitized state. The intercompartmental rate constants (Kct and Ktc) in the suplatast-administered or azelastine-administered group were larger than those of the distilled water-administered group under non-sensitized conditions. These findings suggested that the anti-allergic drugs used in the present study facilitated the excretion of IgE from the circulation in rats.
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language English
publishDate 2002-01-01
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series Mediators of Inflammation
spelling doaj-art-de91d42c64994f78ade1e2c6c7f8c7672025-02-03T01:26:47ZengWileyMediators of Inflammation0962-93511466-18612002-01-01111616410.1080/09629350210310Azelastine and suplatast shorten the distribution half-life of IgE in ratsKazuhiko Hanashiro0Yoshihiro Tokeshi1Toshiyuki Nakasone2Masanori Sunagawa3Mariko Nakamura4Tadayoshi Kosugi51st Department of Physiology, School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903–0215, Japan1st Department of Physiology, School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903–0215, Japan1st Department of Physiology, School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903–0215, Japan1st Department of Physiology, School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903–0215, Japan1st Department of Physiology, School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903–0215, Japan1st Department of Physiology, School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa, 903–0215, JapanWe aim to clarify whether suplatast and azelastine (anti-allergic drugs) can shorten the half-life of immunoglobulin E (IgE) in the circulating blood. Thirty Wistar rats were divided into six groups. Distilled water or anti-allergic drugs were given orally for 6 days after the first sensitization. Two milligrams of monoclonal dinitrophenyl (DNP)-specific rat IgE was administered to the rats, which had been given suplatast or azelastine orally. The level of DNP-specific rat IgE in the serum was estimated by IgE-capture enzyme-linked immunosorbent assay, and the turnover of IgE was analyzed from its pharmacokinetic parameters. The elimination half-life of rat IgE was about 12 h irrespective of the sensitized state. The intercompartmental rate constants (Kct and Ktc) in the suplatast-administered or azelastine-administered group were larger than those of the distilled water-administered group under non-sensitized conditions. These findings suggested that the anti-allergic drugs used in the present study facilitated the excretion of IgE from the circulation in rats.http://dx.doi.org/10.1080/09629350210310
spellingShingle Kazuhiko Hanashiro
Yoshihiro Tokeshi
Toshiyuki Nakasone
Masanori Sunagawa
Mariko Nakamura
Tadayoshi Kosugi
Azelastine and suplatast shorten the distribution half-life of IgE in rats
Mediators of Inflammation
title Azelastine and suplatast shorten the distribution half-life of IgE in rats
title_full Azelastine and suplatast shorten the distribution half-life of IgE in rats
title_fullStr Azelastine and suplatast shorten the distribution half-life of IgE in rats
title_full_unstemmed Azelastine and suplatast shorten the distribution half-life of IgE in rats
title_short Azelastine and suplatast shorten the distribution half-life of IgE in rats
title_sort azelastine and suplatast shorten the distribution half life of ige in rats
url http://dx.doi.org/10.1080/09629350210310
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