Immunoglobulin is a type of protein our bodies make to help fight off germs and infections. It is like a superhero that helps our immune system stay strong and healthy. Full definition
Blood testing for allergies measures levels of immunoglobulin E (Ig E) and is not accurate for food allergies or sensitivities because not all allergic reactions are mediated by IgE, nor or all food reactions mediated by the immune system. (felinedocs.com)
Your immune system identifies certain milk proteins as harmful, triggering the production of immunoglobulin E (IgE) antibodies to neutralize the protein (allergen). (mayoclinic.org)
However, 2 years ago, Terry Smith of the Harbor - University of California, Los Angeles, Medical Center in Torrance and colleagues discovered that in patients with Graves disease — an autoimmune disorder that attacks the thyroid gland and eyes — fibroblasts make chemokines when so - called immunoglobulin G antibodies in the blood activate a protein called the insulin - like growth factor 1 (IGF - 1) receptor. (sciencemag.org)