Antibody Isotypes and Their Functions - IgM, IgG, IgA, IgE, IgD

Learn about the five main antibody isotypes (IgM, IgG, IgA, IgE, and IgD) in this medical education video designed for medical students preparing for USMLE and COMLEX exams. Explore the unique characteristics, functions, and clinical significance of each immunoglobulin class, starting with IgM's role as the first antibody produced in immune responses, followed by IgG's crucial function in long-term immunity, IgA's importance in mucosal immunity, and IgE's involvement in allergic responses. Master key concepts through a structured approach that includes detailed explanations and memory aids, concluding with a comprehensive summary that reinforces essential points for medical board examinations.