DPCs secrete signaling proteins, such as the wingless-INT (Wnt) family, that promote the proliferation and differentiation of surrounding stromal cells and induce HFs to enter new growth phases (Kim et al., 2016)
[DOI] [PubMed] [Google Scholar] Shults CW, Oakes D, Kieburtz K, Beal MF, Haas R, Plumb S, Juncos JL, Nutt J, Shoulson I, Carter J, Kompoliti K, Perlmutter JS, Reich S, Stern M, Watts RL, Kurlan R, Molho E, Harrison M, Lew M
Spatial control of EGF receptor activation by reversible dimerization on living cells
Oncogenic PI3K promotes methionine dependency in breast cancer cells through the cystine-glutamate antiporter xCT
So instead of questioning whether glutathione or NAD is better, why not consider both