Moreover, the gene SLC6A14 involved in the \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\beta$$\end{document}β-alanine and carnitine transmembrane transporter activities has already been addressed to have a pivotal role in the cancer stage [50], where its deletion has been linked to a reduction of cancer growth and metastatic spread [51], thus being selected as potential direct drug target for cancer therapy [52]. This evidence concerns the gene SLC6A14 and cancer.