The Role of Immunoglobulins
Disease description:
My father is hospitalized due to illness. Among the medications prescribed by his doctor is immunoglobulin. I would like to ask, what is the function of immunoglobulin?
Doctor's answer (1)
Dr. Yang Tiesheng
Immunoglobulins, commonly known as antibodies, are components of the human immune system and are primarily synthesized and secreted by plasma cells.
When the body is invaded by pathogens such as bacteria and viruses, immunoglobulins can specifically bind to antigens of these pathogens, inhibit their growth and replication, and prevent their further spread and damage to body tissues. This effect is achieved by binding to antigenic determinants on the surface of the pathogens, helping the body resist infection.
Immunoglobulins can specifically recognize and bind to certain viral proteins, blocking viral entry into host cells and thereby achieving antiviral effects. For example, in cases of hepatitis B virus infection, treatment can be administered through intravenous injection of human immunoglobulin, which provides short-term protective effects.
In immune regulation, immunoglobulins modulate the activity and function of immune cells by binding to receptors on their surfaces, thus maintaining immune system balance. Immunoglobulins also have the function of transferring immunity across the placenta, providing early passive immune protection for the fetus.
