Homework Soursethe principal immunoglobulin actively transported into exocr
the principal immunoglobulin actively transported into exocrine secretions (ex: milk, saliva, tars) is:
A. IgM
B. IgG
C. IgA
D. IgE
E. IgD
the principal immunoglobulin actively transported into exocrine secretions (ex: milk, saliva, tars) is:
A. IgM
B. IgG
C. IgA
D. IgE
E. IgD
the principal immunoglobulin actively transported into exocrine secretions (ex: milk, saliva, tars) is:
A. IgM
B. IgG
C. IgA
D. IgE
E. IgD
Solution
Answer is IgA
IgA is released from B cells. It is associated with polymeric IgA receptor (pIgR). By endocarditis, IgA-pIgR complex crosses the epithelial cells and is secreted out.
