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Immunofixation permits the detection and typing of monoclonal antibodies or immunoglobulins in serum or urine. It is of great importance for the diagnosis and monitoring of certain blood related diseases such as myeloma .
Serum protein electrophoresis (SPEP or SPE) is a laboratory test that examines specific proteins in the blood called globulins. [1] The most common indications for a serum protein electrophoresis test are to diagnose or monitor multiple myeloma , a monoclonal gammopathy of uncertain significance (MGUS), or further investigate a discrepancy ...
The serum free light-chain assay in combination with serum protein electrophoresis and serum immunofixation electrophoresis is sufficient to screen for pathological monoclonal plasmaproliferative disorders other than AL amyloidosis which requires all the serum tests as well as 24 h urine immunofixation electrophoresis.
Counter-immunoelectrophoresis and its modification. In comparison to other conventional methods of diagnosis e.g. for viral infection testing, counter-immunoelectrophoresis is a highly specific, simple, and speedy method that does not require sophisticated, expensive tools, input materials, or long-term capacity building.
Traditionally, two classes of blood proteins are considered: serum albumin and globulin. They are generally equal in proportion, but albumin as a molecule is much smaller and lightly, negatively-charged, leading to an accumulation of albumin on the electrophoretic gel. A small band before albumin represents transthyretin (also named prealbumin ...
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The complement fixation test is an immunological medical test that can be used to detect the presence of either specific antibody or specific antigen in a patient's serum, based on whether complement fixation occurs. It was widely used to diagnose infections, particularly with microbes that are not easily detected by culture methods, and in ...
Serum protein electrophoresis or immunofixation is positive in 67-100% of cases, while urine protein electrophoresis or immunofixation is positive in 50-100% of cases. [2] Serum free light chain measurement is positive in 100% of cases, evidence that the underlying monoclonal plasma cells secrete free light chains as well as heavy chains.
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