SLC26A4 and breast cancer: Their study demonstrated that SLC26A4-AS1 mediates tumor metastasis by regulating DDX5.10 Yi et al. reported diminished SLC26A4-AS1 levels, closely linked to prognosis, survival, and immune infiltration in patients with breast cancer.11 Through RT-qPCR detection, we observed that SLC26A4-AS1 also showed low levels in plasma and cell samples of rectal cancer compared with healthy controls, which was consistent with the above conclusions.