What are immunoglobulins? What is the difference between IgG, IgG4, IgE and IgA?

What significance do immunoglobulins (IgG, IgG4, IgE, IgA) have for the immune system?

In this video, Prof. Dr. Gustav Jirikowski from the Faculty of Medicine at the University of Jena explains what immunoglobulins are and how IgG, IgE, IgA and IgG4 differ. He explains the role immunoglobulins play in the body and their importance for the immune system.

In this video, Prof. Dr. Gustav Jirikowski from the Faculty of Medicine at the University of Jena explains what immunoglobulins are and how IgG, IgE, IgA and IgG4 differ. He explains the role immunoglobulins play in the body and their importance for the immune system.