NCIt synonyms : Monoclonal immunoglobulin; M Proteins; Myeloma Protein; M Component; M-Protein; Paraprotein; Spike Protein;
NCIt related terms : monoclonal protein;
NCIt definition : A protein complex comprised of two heavy chains and two light chains. Monoclonal immunoglobulin
(M protein) is found in abundance in patients who have multiple myeloma. The protein
is not produced in response to an antigen, but it is expressed in malignant plasma
cells and excreted into the blood and urine.;
Alternative definition : NCI-GLOSS: An antibody found in unusually large amounts in the blood or urine of people
with multiple myeloma and other types of plasma cell tumors.;
Codes from synonyms : CDR0000411378; CDR0000046299;