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Amyloid fibril protein in familial amyloidosis with cranial neuropathy and corneal lattice dystrophy (FAP type IV) is related to transthyretin. 1988

C P Maury, and A M Teppo, and A L Karinemi, and A H Koeppen
Fourth Department of Medicine, University of Helsinki, Finland.

Immunocytochemical methods were used to study the nature of the amyloid deposits in the Finnish type-familial amyloid polyneuropathy (FAP) type IV, which is characterized by cranial neuropathy and corneal lattice dystrophy. Commercial antisera to human plasma transthyretin (prealbumin) did not stain the amyloid deposits, but in every case a positive staining was obtained with antibodies raised against transthyretin-related amyloid fibril whole protein isolated from the myocardium of a patient with familial amyloid polyneuropathy from the state of New York. The FAP type IV amyloid deposits stained also with antiserum to serum amyloid P component, but did not stain with antisera to retinol-binding protein, amyloid A protein, gamma-trace protein, beta 2-microglobulin, or immunoglobulin light chains. The serum level of serum transthyretin was significantly decreased in FAP type IV patients (256 +/- 75 (SD) mg/L, n = 15) as compared with Finnish control subjects (360 +/- 56 mg/L, n = 30, P less than 0.001), whereas the level of retinol-binding protein was within the normal range. The results of this study strongly suggest that the amyloid fibril protein in FAP type IV amyloidosis is related to transthyretin.

UI MeSH Term Description Entries
D007106 Immune Sera Serum that contains antibodies. It is obtained from an animal that has been immunized either by ANTIGEN injection or infection with microorganisms containing the antigen. Antisera,Immune Serums,Sera, Immune,Serums, Immune
D007120 Immunochemistry Field of chemistry that pertains to immunological phenomena and the study of chemical reactions related to antigen stimulation of tissues. It includes physicochemical interactions between antigens and antibodies.
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011228 Prealbumin A tetrameric protein, molecular weight between 50,000 and 70,000, consisting of 4 equal chains, and migrating on electrophoresis in 3 fractions more mobile than serum albumin. Its concentration ranges from 7 to 33 per cent in the serum, but levels decrease in liver disease. Proalbumin,Transthyretin
D003317 Corneal Dystrophies, Hereditary Bilateral hereditary disorders of the cornea, usually autosomal dominant, which may be present at birth but more frequently develop during adolescence and progress slowly throughout life. Central macular dystrophy is transmitted as an autosomal recessive defect. Corneal Dystrophies,Granular Dystrophy, Corneal,Groenouw's Dystrophies,Macular Dystrophy, Corneal,Stromal Dystrophies, Corneal,Corneal Dystrophy,Corneal Dystrophy, Hereditary,Corneal Granular Dystrophies,Corneal Granular Dystrophy,Corneal Macular Dystrophies,Corneal Macular Dystrophy,Corneal Stromal Dystrophies,Corneal Stromal Dystrophy,Dystrophy, Corneal,Dystrophy, Corneal Granular,Dystrophy, Corneal Macular,Dystrophy, Corneal Stromal,Dystrophy, Hereditary Corneal,Groenouw Dystrophies,Groenouws Dystrophies,Hereditary Corneal Dystrophies,Hereditary Corneal Dystrophy,Stromal Dystrophy, Corneal
D003389 Cranial Nerve Diseases Disorders of one or more of the twelve cranial nerves. With the exception of the optic and olfactory nerves, this includes disorders of the brain stem nuclei from which the cranial nerves originate or terminate. Cranial Neuropathies,Cranial Neuropathies, Multiple,Neuropathies, Cranial,Cranial Nerve Disorders,Cranial Nerve Palsies,Nervus Cranialis Disorders,Cranial Nerve Disease,Cranial Nerve Disorder,Cranial Nerve Palsy,Cranial Neuropathy,Cranial Neuropathy, Multiple,Multiple Cranial Neuropathies,Multiple Cranial Neuropathy,Nervus Cranialis Disorder,Neuropathies, Multiple Cranial,Neuropathy, Cranial,Neuropathy, Multiple Cranial,Palsies, Cranial Nerve,Palsy, Cranial Nerve
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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