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doi: 10.3389/fimmu.2025.1713426 Received 26 September 2025 Revised 13 December 2025 Accepted 19 December 2025 Published 24 March 2026 Volume 16 - 2025 Edited by Daniel P

Among them, ASCT2 ( SLC1A5 ), SNAT1 ( SLC38A1 ) (system A), SNAT2 ( SLC38A2 ) (system A), and SNAT5 ( SLC38A5 ) (system N) have been found to be highly expressed in tumors (Bhutia et al., 2015)

MS (ESI) m/z: 796.42, found 797.43 [M + H] +

These proteins are typically involved in RCD in nucleated cells, highlighting a previously underexplored aspect of their activity in enucleated RBCs [164]

DSIP, or Delta Sleep-Inducing Peptide, is a small protein-like molecule made of amino acids