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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 ...
Gamma globulins are a class of globulins, identified by their position after serum protein electrophoresis. [ 1 ] [ 2 ] The most significant gamma globulins are immunoglobulins ( antibodies ), although some immunoglobulins are not gamma globulins, and some gamma globulins are not immunoglobulins.
Cremeren Globulins exist in various sizes. The lightest globulins are the alpha globulins, which typically have molecular weights of around 93 kDa, while the heaviest class of globulins are the gamma globulins, which typically weigh about 1193 kDa. Being the heaviest, the gamma globulins are among the slowest to segregate in gel electrophoresis.
Monoclonal gammopathy, also known as paraproteinemia, is the presence of excessive amounts of myeloma protein or monoclonal gamma globulin in the blood. It is usually due to an underlying immunoproliferative disorder or hematologic neoplasms, especially multiple myeloma. It is sometimes considered equivalent to plasma cell dyscrasia.
Another alternative to oligoclonal bands for MS diagnosis is the MRZ-reaction (MRZR), a polyspecific antiviral immune response against the viruses of measles, rubella and zoster found in 1992. [ 22 ] In some reports the MRZR showed a lower sensitivity than OCB (70% vs. 100%), but a higher specificity (92% vs. 69%) for MS. [ 22 ]
Hypergammaglobulinemia is a condition that is characterized by the increased levels of a certain immunoglobulin in the blood serum. [1] The name of the disorder refers to an excess of proteins after serum protein electrophoresis (found in the gammaglobulin region).
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 ...
Pipetting anti-immunoglobulins to immunofixation panel. The panel simultaneously tests 4 patients (one in each quadrant). Each patient has 6 electrophoresis panels: The left one is a conventional serum protein electrophoresis. The remainder get solutions with anti-IgG, anti-IgA, anti-IgM, anti-kappa light chain and anti-lambda light chain ...
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