نتایج جستجو برای: free light chains
تعداد نتایج: 964445 فیلتر نتایج به سال:
Using sensitive, automated immunoassays, increased concentrations of either kappa or lambda free light chains (and abnormal kappa/lambda ratios) were detected in the sera of 19 of 28 patients with nonsecretory multiple myeloma. Four other patients had suppression of one or both light chains, and the remaining 5 sera had normal or raised free light-chain concentrations with substantially normal ...
Immunoglobulin free light chains are produced in excess during normal antibody synthesis. Their evaluation is commonly used in case of a monoclonal gammopathy. In polyclonal hypergammaglobulinemia related to the Sjögren syndrome or systemic lupus, erythematosus serum free light chain levels are increased and could correlate with disease activity. We show here that the κ (P < 0.0001) and λ (P = ...
We describe radioimmunoassays for kappa and lambda light chains of immunoglobulins in urine. The assays, which involve antisera to free light chains, were sufficiently sensitive to measure the light chains in unconcentrated urine from healthy subjects. The usefulness of the assays in clinical practice is illustrated by measurements of light chain excretion by patients, including serial studies ...
Modification of the free alkali light chains of myosin by iodoacetylation results in a much lower extent of exchange into myosin subfragment 1 by the thermal hybridization procedure (Burke, M., and Sivaramakrishnan, M. (1981) Biochemistry 20, 5908-5913). As reported by others (Wagner, P. D., and Stone, D. B. (1983) J. Biol. Chem. 258, 8876-8882), free alkali light chains modified by iodoacetate...
Three patients, two with typical primary Sjögren's syndrome (SS) and the third with several features of SS, including abnormal sialography and reduced tear secretion, developed B cell non-Hodgkin's lymphoma (NHL) of parotid or lung, or both. Isoelectric focusing of concentrated urine specimens in agarose, followed by immunofixation, demonstrated the presence in each patient's urine of monoclona...
An analysis was made of the immunoglobulin surface markers of the cells of patients with chronic lymphatic leukemia (CLL) in view of previous evidence of their monoclonal B-cell character. The simultaneous presence of IgM and IgD on the surface of the majority of lymphocytes was demonstrated by both immunofluorescence and hemagglutination inhibition in most cases. However, cases were observed w...
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