Immunoglobulin G (IgG) belongs to immunoglobulin family and consists of gamma (γ) heavy chain in the constant (C) region. IgG is a widely expressed serum antibody. Monomeric structure of IgG constitutes two identical heavy chains and two identical light chains with a molecular weight of 50kDa and 25kDa respectively, the primary structure of this antibody also contains disulfide bonds involved in linking the two heavy chains, linking the heavy and light chains and resides inside the chains. IgG is further subdivided into four classes namely, IgG1, IgG2, IgG3, and IgG4 with different heavy chains, named γ1, γ2, γ3, and γ4, respectively. IgG is produced and released from CD5+B cells, the predominant lymphocytes in the neonatal cell repertoire.
Application
Anti-Pig IgG (whole molecule)−FITC antibody produced in rabbit has been used in direct immunofluorescent labeling.
Biochem/physiol Actions
Immunoglobulin G (IgG) participates in hypersensitivity type II and type III reactions. Maternal IgG is the only antibody transported across the placenta to the fetus. Maternal IgG passively immunizes the infants.
Physical form
Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.
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The myxovirus resistance gene (Mx1) has a broad spectrum of antiviral activities. It is therefore an interesting candidate gene to improve disease resistance in farm animals. In this study, we report the use of somatic cell nuclear transfer (SCNT) to
Human placental Fc receptors and the transmission of antibodies from mother to fetus.
Simister NE and Story CM
Journal of Reproductive Immunology, 37(1), 1-23 (1997)
Antibody structure, instability, and formulation.
Wang W
Journal of Pharmaceutical Sciences, 96(1), 1-26 (2007)
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