ORAI1 and breast carcinoma: Here we report that expression of a glycosylation-deficient Orai1 mutant (Orai1N223A) in Orai1KO luminal breast cancer MCF7 cells and TNBC MDA-MB-231 cells, as well as in non-tumoral breast epithelial MCF10A cells, is not essential for the activation of SOCE.