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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.
IgG4 is the least abundant IgG subclass in the serum and is often generated following repeated exposure to the same antigen or during persistent infections. IgA antibodies are secreted in the respiratory or the intestinal tract and act as the main mediators of mucosal immunity. [ 13 ]
This shows the levels of albumin and the different immunoglobulins. The serum protein electrophoresis test measures the number of proteins in the serum part of a blood sample. The normal ranges to check for the serum globulin would be about 2.0 to 3.5 grams per deciliter then for the immunoglobulins A, M, and G have different ranges.
type 2, oligoclonal IgG bands in CSF, type 3, oligoclonal bands in CSF and serum with additional bands in CSF; type 4, identical oligoclonal bands in CSF and serum, type 5, monoclonal bands in CSF and serum, type 6, presence of a single band limited to the CSF. Type 2 and 3 indicate intrathecal synthesis, and the rest are considered as negative ...
2.4-3.2 × 10 −4: 3.9 × 10 −6: venous 1.6-2.3 × 10 −4: 1.6 × 10 −6: Oxytocin: male 2 × 10 −12: female, nonlactating 2 × 10 −12: female, pregnant 33-40 wks 32-48 × 10 −12: Pancreatic polypeptide: 5-20 × 10 −11: Pantothenic acid (vitamin B 5) 1.5-4.5 × 10 −7: 6-35 × 10 −8: Para-aminobenzoic acid: 3-4 × 10 −8 ...
Immunoglobulin A (Ig A, also referred to as sIgA in its secretory form) is an antibody that plays a role in the immune function of mucous membranes. The amount of IgA produced in association with mucosal membranes is greater than all other types of antibody combined. [ 3 ]
Immunoglobulin E (IgE) is a type of antibody (or immunoglobulin (Ig) "isoform") that has been found only in mammals. IgE is synthesised by plasma cells . Monomers of IgE consist of two heavy chains (ε chain) and two light chains, with the ε chain containing four Ig-like constant domains (Cε1–Cε4). [ 1 ]
In this article, all values (except the ones listed below) denote blood plasma concentration, which is approximately 60–100% larger than the actual blood concentration if the amount inside red blood cells (RBCs) is negligible.