POU2F2 and triple-negative breast carcinoma: The antisense transcript of nicotinamide phosphoribosyltransferase (lncRNA NAMPT-AS) recruits POU class 2 homeobox 2 (POU2F2) to activate the transcription of NAMPT, in order to further promote tumor progression and autophagy in triple-negative breast cancer through the mTOR pathway [129].