PMEPA1 and breast carcinoma: NF-KappaB Interacting LncRNA (NKILA), encoded by a gene at chromosome 20q13 just near by the prostate transmembrane protein androgen induced 1 (PMEPA1) (also named solid tumor associated gene 1, STAG1) [10], is upregulated by NF-κB in breast cancer [11].