Glutathione Precursor Transport: Cystine is Preferred form of Cysteine for GSH Synthesis

• Cystine (cysteine=cysteine) is the preferred form of cysteine for macrophages and astrocytes.

  • “Macrophages consume cystine...” Gmunder, H., Macrophages Regulate Intracellular Glutathione Levels of Lymphocytes. Cell. Immunol., 1990, Aug.; 129(1): 32-46.
  • “These results demonstrate that astroglial cells prefer cystine...” Kranich, O., Glia, 1998, Jan.;22(1): 11-8.

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