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Immunohistochemistry staining of tissue specimens shows linear IgG deposits. Type 2 is characterised by immune-complex-mediated damage, and may be associated with systemic lupus erythematosus, post-infective glomerulonephritis, IgA nephropathy, and IgA vasculitis. [4]: 558
IgA nephropathy (IgAN), also known as Berger's disease (/ b ɛər ˈ ʒ eɪ /) (and variations), or synpharyngitic glomerulonephritis, is a disease of the kidney (or nephropathy) and the immune system; specifically it is a form of glomerulonephritis or an inflammation of the glomeruli of the kidney.
It is possible to have either a global IgG deficiency, or a deficiency of one or more specific subclasses of IgG. [1] [2] The main clinically relevant form of IgG deficiency is IgG 2. IgG 3 deficiency is not usually encountered without other concomitant immunoglobulin deficiencies, and IgG 4 deficiency is very common but usually asymptomatic. [3]
The water-accessible surface area of an IgG antibody. Immunoglobulin G (IgG) is a type of antibody. Representing approximately 75% of serum antibodies in humans, IgG is the most common type of antibody found in blood circulation. [1] IgG molecules are created and released by plasma B cells. Each IgG antibody has two paratopes.
[2] and Concise Review [3] Detection of paraproteins in the urine or blood is most often associated with MGUS, where they remain "silent", [4] and multiple myeloma. An excess in the blood is known as paraproteinemia. Paraproteins form a narrow band, or 'spike' in protein electrophoresis as they are all exactly the same protein. Unlike normal ...
This is a recombinant monoclonal antibody to human IgG. It has the ability to bind to all 4 human IgG subtypes: IgG1, IgG2, IgG3, and IgG4. [7] Anti-Human IgG [8E11] This is a recombinant monoclonal antibody to human IgG. However, it can screen for IgG in nonhuman primates including vervets, chimpanzees, and mangabeys.
Bence Jones protein is a monoclonal globulin protein or immunoglobulin light chain found in the urine, with a molecular weight of 22–24 kDa. [1] Detection of Bence Jones protein may be suggestive of multiple myeloma, [2] or Waldenström's macroglobulinemia. [citation needed]
Because of the reasons given above, the results of the direct antiglobulin test (DAT) with anti-C3 are highly likely to be positive while to be negative for anti-IgG or anti-IgM, only when the DAT is being performed at 4 °C (39 °F) approximately and then incubated at around 37 °C (99 °F). [12]