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1: Hum Mol Genet. 1995 Feb;4(2):265-8.Click here to read Links

Primary structure of human amphiphysin, the dominant autoantigen of paraneoplastic stiff-man syndrome, and mapping of its gene (AMPH) to chromosome 7p13-p14.

Institut für Physiologische Chemie, Medizinische Fakultät, Ruhr-Universität Bochum, Germany.

Amphiphysin is a protein peripherally associated with synaptic vesicles. It is expressed in many neurons, certain endocrine cell types, and spermatocytes. Autoantibodies against amphiphysin occur in patients afflicted with a rare neurologic autoimmune disease, paraneoplastic Stiff-Man syndrome. To provide a basis for the understanding of anti-amphiphysin autoimmunity, we have cloned cDNAs and determined the primary structure of human amphiphysin. Comparison with chicken amphiphysin defines domains of low and high amino acid sequence conservation. As a candidate for heritable disorders of the nervous system, endocrine tissues or male fertility, the human amphiphysin gene was mapped to chromosome 7, region p13-p14.

PMID: 7757077 [PubMed - indexed for MEDLINE]