Immunoglobulin A - Wikipedia
网页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 …
Immunoglobulin A Deficiency - Johns Hopkins Medicine
网页What is IgA deficiency? Immunoglobulin A (IgA) is an antibody blood protein that’s part of your immune system. Your body makes IgA and other types of antibodies to help fight off sickness. Having an IgA deficiency means that you …
What is Immunoglobulin A (IgA)? Blood Test & Normal Range
网页2021年1月22日 · Immunoglobulin A (IgA) is an antibody made by white blood cells. It’s concentrated in fluids that cover mucous membranes in the body–such as those in the gut, respiratory system, eyes, and mouth. IgA works to protect the body from infections and toxins while building immune tolerance.
Immunoglobulin Test: High vs Low vs Normal Levels of (Ig) Antibodies
网页2023年9月19日 · Immunoglobulin E: Your body makes IgE antibodies when it overreacts to substances that aren't harmful, such as pollen or pet dander. Your doctor will likely measure your IgE levels if you have...
Biochemistry, Immunoglobulin A - StatPearls - NCBI Bookshelf
网页2023年5月1日 · Immunoglobulin A (IgA), one of the five primary immunoglobulins, plays a pivotal role in mucosal homeostasis in the gastrointestinal, respiratory, and genitourinary tracts, functioning as the dominant antibody of immunity in this role.
IgA: Structure, Function, and Developability - PMC
网页2019年12月5日 · As the most abundant antibody at the mucosal surfaces, IgA has the important role of detecting and alerting the immune system to pathogens, whilst not responding to commensal bacteria and environmental antigens, representing an important means to combat infectious diseases.
Selective IgA deficiency - Symptoms and causes - Mayo Clinic
网页2024年5月24日 · Selective IgA deficiency is the lack of a disease-fighting antibody in the immune system called immunoglobulin A (IgA). People with this condition usually have typical levels of other immunoglobulins (im-u-no-GLOB-u-lins).
Structure and biologic functions of IgA - UpToDate
网页2023年4月19日 · IgA is the most abundant antibody isotype in the body, comprising almost 70 percent of the body's total immunoglobulin. The majority of IgA is found in the various mucous secretions, including saliva, milk, colostrum, tears, and secretions from the respiratory tract, genitourinary tract, and prostate [1-3].
Immunoglobulin - StatPearls - NCBI Bookshelf
网页2020年9月8日 · IgA is the major antibody in secretions found in saliva, tears, colostrum, intestinal, genital tract, and respiratory secretions. It appears in mucosa membranes as a dimer (with a J chain when secreted) and protects the epithelial surfaces of the digestive, respiratory, and genitourinary systems.
Immunoglobulin A (IgA) – Structure, Properties, Subclasses, …
网页2024年1月23日 · Immunoglobulin A (IgA) is the most abundant immunoglobulin found in humans. IgA, at concentrations of about 2–4 mg/ml, is considered as the second most prevalent antibody in serum after Immunoglobulin G (IgG), which is normally present at about 12 mg/ml.