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Rising concentrations of light chains are filtered by the remaining nephrons leading to a cycle of accelerating renal damage with rising concentrations of free light chains in the blood. [16] At the same time, the amount of free light chains entering the urine will be decreased and will be zero if the patient stops producing urine . Conversely ...
[citation needed] The light chains were historically detected by heating a urine specimen (which causes the protein to precipitate) and nowadays by electrophoresis of concentrated urine. [4] More recently, serum free light chain assays have been utilised in a number of published studies which have indicated superiority over the urine tests ...
Free immunoglobulin light chains secreted by neoplastic plasma cells, such as in multiple myeloma, can be called Bence Jones protein when detected in the urine, although there is a trend to refer to these as urinary free light chains. Increased levels of free Ig light chains have also been detected in various inflammatory diseases. It is ...
Serum protein electrophoresis showing a paraprotein (spike/peak in the gamma zone) in a patient with multiple myeloma.. A myeloma protein is an abnormal antibody (immunoglobulin) or (more often) a fragment thereof, such as an immunoglobulin light chain, that is produced in excess by an abnormal monoclonal proliferation of plasma cells, typically in multiple myeloma or Monoclonal gammopathy of ...
AL amyloidosis is caused by the deposition of abnormal antibody free light chains. The abnormal light chains are produced by monoclonal plasma cells, and, although AL amyloidosis can occur without diagnosis of another disorder, it is often associated with other plasma cell disorders, such as multiple myeloma and Waldenström's macroglobulinemia. [6]
The remainder get solutions with anti-IgG, anti-IgA, anti-IgM, anti-kappa light chain and anti-lambda light chain immunoglobulin, respectively from left to right. Each anti-immunoglobulin solution is artificially colored to ensure that the solution matches the color map at top. Immunofixation electrophoresis, schematic representation:
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Myeloma cast nephropathy, also referred to as light-chain cast nephropathy, is the formation of plugs (urinary casts) in the kidney tubules from free immunoglobulin light chains leading to kidney failure in the context of multiple myeloma. It is the most common cause of kidney injury in myeloma.