This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Defects in which of the following doesn’t cause blistering 
Select and explain. 
A. Collagen Vll and pectin, B. Filaggrin, C. Laminin, D. Keratin
B: Filaggrin
Answer: B: Filaggrin 
Explanation: Filaggrin defects causes icthyosis and atopic dermatitis, but not blistering disease.