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Glutamine supports immune functions too: for example, T-cell activation requires Alanine-Serine-Cysteine Transporter 2-mediated glutamine uptake to engage mTORC1 and drive proliferation, and glutamine deprivation blocks T-cell proliferation and cytokine production, so complete glutamine elimination should rather be avoided 357

[DOI] [PMC free article] [PubMed] [Google Scholar] Mathew M, Sivaprakasam S, Dharmalingam-Nandagopal G

The concentrations of Sp and L-DOPA were kept similar for all experiments unless otherwise mentioned

Mass spectrometry verification of peptide identity to confirm molecular structure and eliminate product authenticity concerns