CHARACTERIZATION OF THE AMYLOID FIBRIL FROM PRIMARY LOCALIZED CUTANEOUS NODULAR AMYLOIDOSIS ASSOCIATED WITH SJOGRENS-SYNDROME

被引:25
|
作者
INAZUMI, T
HAKUNO, M
YAMADA, H
TANAKA, M
NAKA, W
TAJIMA, S
HARADA, T
NISHIKAWA, T
机构
[1] KEIO UNIV,SCH MED,DEPT DERMATOL,SHINJUKU KU,TOKYO,JAPAN
[2] URAWA MUNICIPAL HOSP,DEPT DERMATOL,URAWA,SAITAMA,JAPAN
[3] TACHIKAWA KYOSAI HOSP,TACHIKAWA,TOKYO,JAPAN
[4] KAWASAKI MUNICIPAL HOSP,KAWASAKI,KANAGAWA,JAPAN
关键词
CUTANEOUS AMYLOIDOSIS; POLYCLONAL IMMUNOGLOBULINS; SJOGRENS SYNDROME;
D O I
10.1159/000246814
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
Background: Primary localized cutaneous nodular amyloidosis (PLCNA) is a rare disease, and its pathogenesis of amyloid deposition is still unknown. Objective: The purpose of this study was to know the origin of amyloid in PLCNA. Methods: Water-soluble amyloid fibrils were isolated from the skin and resolved on SDS-PAGE, then subjected to immunoblot analysis. Results: The major amyloid fibril protein was a 29-kD peptide which reacted with both anti-lambda- and anti-kappa-light-chain antibodies. Conclusion: Amyloids in this particular case of PLCNA are derived from the polyclonal immunoglobulin light chain and some cases of PLCNA could be reactive diseases rather than neoplastic ones.
引用
收藏
页码:125 / 128
页数:4
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