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Coriu, D.* ; Weaver, K. * ; Schell, M. * ; Eulitz, M. ; Murphy, Ch.* ; Weiss, D.T.* ; Solomon, A.*

A molecular basis for nonsecretory myeloma.

Blood 104, 829-831 (2005)
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The biosynthesis of aberrant immunoglobulin polypeptides by monoclonal plasma cells has been implicated in the pathogenesis of nonsecretory myeloma. Our studies of a patient with this disorder indeed have demonstrated the presence of abnormal κ light chains that resulted from a frameshift mutation in nucleotides encoding the constant region of the molecule. As a consequence of a 2-base deletion in codon 187 and loss of the normal stop codon, this portion of the κ chain was composed of 128 amino acids (rather than the expected 106), with a completely anomalous sequence after position 187 that included absence of the cysteines required for intrachain and interchain disulfide bonds. The unusual primary structure of this component was confirmed by mass spectrometric and amino acid sequence analyses of cytoplasmic protein extracts. Our studies provide the first evidence that human nonsecretory myeloma may result from an alteration in the light-chain constant region.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2005
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0006-4971
e-ISSN 1528-0020
Zeitschrift Blood
Quellenangaben Band: 104, Heft: 3, Seiten: 829-831 Artikelnummer: , Supplement: ,
Verlag American Society of Hematology
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Molecular Immunology (IMI)
PSP-Element(e) G-501700-003
DOI 10.1182/blood-2004-02-0477
Erfassungsdatum 2005-12-13
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