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Extracellular matrix metalloproteinase inducer in interstitial pneumonias.

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タイトル: Extracellular matrix metalloproteinase inducer in interstitial pneumonias.
著者: Odajima, Nao 著作を一覧する
Betsuyaku, Tomoko 著作を一覧する
Nasuhara, Yasuyuki 著作を一覧する
Itoh, Tomoo 著作を一覧する
Fukuda, Yuh 著作を一覧する
Senior, Robert M. 著作を一覧する
Nishimura, Masaharu 著作を一覧する
キーワード: Matrix metalloproteinases
Bronchiolization
Squamous metaplasia
Basigin
CD147
発行日: 2006年 8月
出版者: Elsevier Inc.
誌名: Human Pathology
巻: 37
号: 8
開始ページ: 1058
終了ページ: 1065
出版社 DOI: 10.1016/j.humpath.2006.03.006
抄録: Extracellular matrix metalloproteinase inducer (EMMPRIN), a glycosylated transmembrane protein that induces matrix metalloproteinases (MMPs), is minimally expressed in the normal adult lung. We previously reported that it is up-regulated in murine bleomycin–induced lung injury. In this study, we determined the expression of EMMPRIN and its association with MMP-2, MMP-7, and MMP-9 in interstitial pneumonias (IPs). We performed immunohistochemistry for EMMPRIN and MMPs on lung tissue from 22 subjects with various IPs. We did bronchoalveolar lavage (BAL) on 9 of these subjects and 13 others with IPs to measure the soluble EMMPRIN in BAL fluid. For comparison, immunohistochemistry or BAL was done on 14 subjects without IPs. The staining intensity for each protein was scored from 0 to 3 in various epithelial cell types. Soluble EMMPRIN in BAL fluid was measured by an enzyme-linked immunosorbent assay. Extracellular matrix metalloproteinase inducer was prominent in abnormal epithelial cells. It was more prominent in hyperplastic type II cells, compared with epithelium in alveolar bronchiolization. It was also elevated in BAL fluid from the subjects with IPs. Matrix metalloproteinases were expressed in cells expressing EMMPRIN, although the profile of MMPs varied among the different abnormal epithelial cell types with MMP-2 and MMP-7 in hyperplastic type II cells and MMP-7 and MMP-9 in cells showing squamous metaplasia and cells comprising bronchiolization. These results suggest a role of EMMPRIN in reepithelialization in IPs.
関連URI: http://www.sciencedirect.com/science/journal/00468177
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/14651
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 別役 智子

 

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