Immunoglobulin A A next generation of therapeutic antibodies?

Although immunoglobulin (Ig) A is commonly recognized as the most prevalent antibody subclass at mucosal sites with an important role in mucosal defense, its potential as a therapeutic monoclonal antibody is less well known. However, IgA has multifaceted anti-, non- and pro-inflammatory functions that can be exploited for different immunotherapeutical strategies, which will be the focus of this review.