Cell BiologybioRxiv
Secretory cells are the primary source of pIgR in small airways
J. B. Blackburn, J. A. Schaff, S. Gutor…·B. W. Richmond
The paper identifies secretory cells as the main source of pIgR in airways and shows reduced pIgR protein expression, not cell numbers, contributes to SIgA loss in COPD.