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. 2000 Dec;109(12 Pt 1):1093-8.
doi: 10.1177/000348940010901201.

Proto-oncogene Raf-1 as an autoantigen in Meniere's disease

K C Cheng  1 , H Matsuoka, K M Lee, N Kim, M S Krug, S S Kwon, M Mora, T J Yoo
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Proto-oncogene Raf-1 as an autoantigen in Meniere's disease

K C Cheng et al. Ann Otol Rhinol Laryngol. 2000 Dec.

Abstract

The 28 kd protein extracted from the guinea pig inner ear membranous fraction, which reacted with sera from patients with Meniere's disease, has been subjected to microsequencing. Nineteen amino acids were obtained (IVQQFGFQRRASDDGKLTQ). A protein data bank search showed that this sequence corresponded to residues 41 to 60 of human Raf-1 protein. Sera from 16 of 27 patients with Meniere's disease showed reactivity to the recombinant purified glutathione-S-transferase-Raf-1 protein. These results support the hypothesis that a subgroup of patients who suffer from Meniere's disease, as well as some other kinds of autoimmune inner ear diseases, have an autoantibody against Raf-1 protein.

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