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  2. Immunoglobulin G - Wikipedia

    en.wikipedia.org/wiki/Immunoglobulin_G

    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 .

  3. IgG deficiency - Wikipedia

    en.wikipedia.org/wiki/IgG_deficiency

    IgG deficiency is a form of dysgammaglobulinemia where the proportional levels of the IgG isotype are reduced relative to other immunoglobulin isotypes. IgG deficiency is often found in children as transient hypogammaglobulinemia of infancy , which may occur with or without additional decreases in IgA or IgM .

  4. Plasma cell dyscrasias - Wikipedia

    en.wikipedia.org/wiki/Plasma_cell_dyscrasias

    Non-IgM SMM (also termed IgG and IgA SMM because of the rarity of IgD and IgE SMM) is diagnosed in asymptomatic individuals based on criteria identical to those listed above for Non-IgM MGUS except that: their intact IgG or IgA myeloma protein levels are equal to or greater than 30 grams/liter rather than 15 grams/liter; their bone marrow shows ...

  5. Oligoclonal band - Wikipedia

    en.wikipedia.org/wiki/Oligoclonal_band

    As expected large molecular proteins are absent in CSF column. After all these bands are localized, OCBs should be assessed in the γ region which normally hosts small group of polyclonal immunoglobulins. [6] New techniques like "capillary isoelectric focusing immunoassay" are able to detect IgG OCBs in more than 95% of multiple sclerosis ...

  6. Nephelometry (medicine) - Wikipedia

    en.wikipedia.org/wiki/Nephelometry_(medicine)

    Nephelometry is a technique used in immunology to determine the levels of several blood plasma proteins. For example, the total levels of antibodies isotypes or classes: Immunoglobulin M, Immunoglobulin G, and Immunoglobulin A. [1] It is important in quantification of free light chains in diseases such as multiple myeloma.

  7. Hypogammaglobulinemia - Wikipedia

    en.wikipedia.org/wiki/Hypogammaglobulinemia

    Screening of immunoglobulin levels in relatives of CVID and IgA patients finds a familial inheritance rate of 10% to 20%. In cases where a carrier of such a mutation would like to have children, preimplantation genetic diagnosis (PGD) has been offered. [2] PGD is defined as the testing of pre-implantation stage embryos or oocytes for genetic ...

  8. Anti-immunoglobulin - Wikipedia

    en.wikipedia.org/wiki/Anti-immunoglobulin

    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.

  9. Dysgammaglobulinemia - Wikipedia

    en.wikipedia.org/wiki/Dysgammaglobulinemia

    IgG deficiency - IgG deficiency is a lack of IgG in the absence of other immunoglobulin deficiencies. IgG levels of 300–600 mg/dL show a mild to moderate reduction of IgG while levels below 200 mg/dl are classified as a severe deficiency. [6] Those with IgG deficiency often get chronic or reoccurring pyogenic respiratory tract infections. [7]