This episode lays the foundation for a common precursor-the essential amino acid L-tryptophan, of both melatonin and NAD+ and the PARP mediated DNA repair pathways linked to tumorigenesis on one hand and in DNA Damage repair-linked cessation of apoptosis on the other, in the aging human Central Nervous System.
Cells. 2019 Sep; 8(9): 1047.
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