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ST3Gal IV overexpression increased sialylated glycans in cervical cancer cell lines. (A, C) N-glycan from HeLa, HeLa/ST3Gal IV, SiHa, and SiHa/ST3Gal IV cells were permethylated and analyzed by MALDI-TOF MS/MS. (B, D) The relative intensities of the observed glycan signals (1–45) in these four cervical cancer cell lines. The results shown in the figure are representative results.
