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ID 15308
Eprint ID
15308
FullText URL
Title Alternative
老年者気管支喘息における液性および細胞性免疫反応について
Author
Tanizaki, Yoshiro
Kitani, Hikaru
Mifune, Takashi
Kajimoto, Kazuhiro
Sugimoto, Keisuke
Yokota, Satoshi
Hiramatsu, Junichi
Kawaraya, Masashi
Ochi, Koji
Harada, Hideo
Tada, Shinya
Kimura, Ikuro
Abstract
Humoral and cellular immune responses in bronchial asthma were examined by comparing the results of older asthmatics (group OA) with those of older healthy subjects (group OH) and of younger asthmatics (group YA). In humoral immune response, IgE-mediated immune system expressed by elevated serum IgE levels and IgE antibodies for house dust mite (HDm) and/or Candida albicans was clearly found in older asthmatics, while there was no finding showing the presence of IgE-mediated immune response in older healthy subjects. There was no significant difference in levels of serum IgG and IgA among the three groups. However, the serum IgM level was significantly lower in older asthmatics than in younger asthmatics. IgE antibodies to HDm and/or Candida albicans were more frequently found in older asthmatics compared with older healthy subjects. In contrast, IgG(4) antibodies to HDm were not different among the three groups. IgG(4) antibodies to Candida albicans were significantly higher in both older groups than in younger group. However, there was no significant difference between asthmatic and healthy subjects in the elderly. Delayed skin reaction to PPD was significantly more decreased in older asthmatics. These results show that bronchial asthma in the elderly is characterized by the presence of IgE-mediated immune response and by the changes of immune response with aging.
Abstract Alternative
気管支喘息における液性および細胞性免疫反応について,老年者気管支喘息,老年者健常人,および若年者気管支喘息の間で比較検討を行った。1.まず,液性免疫では,血清IgE値高値,ハウスダストやカンジダに対するIgE抗体陽性などのIgE系反応は,老年者気管支喘息においては明らかに観察されたが,老年者健常人では全く観察されなかった。血清IgGおよびIgA値には3者間に有意の差は見られなかったが,血清IgMは,若年者喘息に比べ老年者喘息で有意に低い値を示した。2.ハウスダストやカンジダに対するIgE抗体は老年者喘息において老年者健常人に比べより高い頻度で陽性であったが,一方,ハウスダストに対するIgG(4)抗体は3者聞に有意の差は見られなかった。また,カンジダに対するIgG(4)抗体は,老年者喘息および健常人において,若年者喘息に比べ有意の高値を示した。しかし,老年者の喘息と健常人との間には有意の差は見られなかった。3.PPDによる遅延型皮膚反応は,若年者喘息に比べ老年者喘息において有意の減弱傾向を示した。これらの結果は,老年者喘息はIgE系反応を有していること,そして,加齢による免疫反応の変化の影響を受けること,を示している。
Keywords
IgE
IgG(4)
Immunoglobulings (免疫グロブリン)
PPD
Bronchial asthma (気管支喘息)
加齢
Published Date
1993-06
Publication Title
岡大三朝分院研究報告
Publication Title Alternative
Annual Reports of Misasa Medical Branch, Okayama University Medical School
Volume
volume64
Publisher
岡山大学医学部附属病院三朝分院
Publisher Alternative
Misasa Medical Branch, Okayama University Medical School
Start Page
75
End Page
82
ISSN
0918-7839
NCID
AN10430852
Content Type
Departmental Bulletin Paper
language
英語
File Version
publisher
Refereed
False
Eprints Journal Name
mmc