GJA1 and breast cancer: Moreover, YTHDF3 overexpression was clinically correlated with brain metastasis of breast cancer by promoting the translation of crucial brain metastatic genes ST6 N-acetylgalactosaminide alpha-2,6-sialyltransferase 5 (ST6GALNAC5) and gap junction protein alpha 1 (GJA1) [57].