Question of the week - Week of 09-Nov-2017

What is a characteristic of immunoglobulins A (IgA)?

Question of the week

See a clue in the article The immune system and immunity in swine.Specific humoral immunity


Correct answer

IgA is the predominant Ig class in secretions (saliva, mucus, tears, colostrum, milk) at mucosal surfaces and prevent the penetration and colonization of pathogens.