GJA1 and triple-negative breast carcinoma: Triple negative breast cancer (TNBC) cells were shown to have a high concentration of stem cell-like traits, and Leticia Serrano-Oviedo et al. discovered that the dry gene Gap Junction Protein Alpha 1 (GJA1) contributes to a bad prognosis in TNBC patients (Serrano-Oviedo et al., 2020).