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Familial Amyloid Polyneuropathy Taro Yamashita 1 , Yukio Ando 2 , Makoto Uchino 1 1Department of Neurology,Graduate School of Medical Science,Kumamoto University 2Department of Diagnostic Medicine,Graduate School of Medical Science,Kumamoto University Keyword: familial amyloid polyneuropathy (FAP) , transthyretin (TTR) , amyloidosis , liver transplantation pp.583-595
Published Date 2011/6/1
DOI https://doi.org/10.11477/mf.1416100929
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Abstract

 Familial amyloid polyneuropathy (FAP),a fatal disorder inherited in an autosomal dominant fashion,is characterized by systemic accumulation of polymerized transthyretin (TTR) in the peripheral nerves and systemic organs. Polyneuropathy is often a major manifestation of FAP. Although FAP was considered to be an endemic disorder,the advanced biochemical and molecular genetic analyses have shown worldwide occurence. More than 100 different points of single or double mutations,or a deletion in the TTR gene,have been reported,and several different phenotypes of FAP have been documented,even for the same mutation in the TTR gene. Liver transplantation,which stops the production of amyloidogenic TTR in blood and replaces it with normal TTR,has been considered as an acceptable treatment for FAP. However,continuous amyloid deposition can occur from wild-type (normal) TTR in some patients. Currently,research an the inbibition of amyloid deposition by small organic molecules that are hypothesized to affect the fibril-forming ability of TTR is underway.


Copyright © 2011, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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