SLC3A2 and central nervous system cancer: However, there was no significant relation between LAT1 and 4F2hc expression with age (r = 0.156, P = 0.226; r = 0.195, P = 0.142) and sex (r = 0.013, P = 0.919; r = 0.093, P = 0.621) of this series of glioma patients.