NFKB1 and lung disorder: In what could be another mechanism for miR21 biologic function in lung disease, miR21 facilitates the protective effect of long noncoding RNA NF-κB interacting LncRNA by inhibiting NF-κB and JNK intracellular signaling pathways of medical research council cell strain 5 cells (human fibroblast cell line) in the experimental model of infantile pneumonia.35