HIF-1 signaling pathway；NF-kappa B signaling pathway；Protein processing in endoplasmic reticulum；Pathways in cancer；Small cell lung cancer；Prostate cancer；PI3K-Akt signaling pathway；Apoptosis；Focal adhesion； Neurotrophin signaling pathway；Cholinergic synapse；Amyotrophic lateral sclerosis (ALS)；Colorectal cancer；Hepatitis B；Epstein-Barr virus infection； Toxoplasmosis；Tuberculosis

We further identified reciprocal repression between XIST and miR-449a, which eventually influenced the expression of Bcl-2: XIST functioned as a miRNA sponge of miR-449a, which was a negative regulator of Bcl-2.

The lncRNA XIST exhibits oncogenic properties via regulation of miR-449a and Bcl-2 in human non-small cell lung cancerThis article has been corrected since Advanced Online Publication, and an erratum is also printed in this issue.