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“In cultured rat microglia, ammonia stimulated cell migration and induced oxidative stress and an up‐regulation of the microglial activation marker ionized calcium‐binding adaptor molecule‐1 (Iba‐1).”
The Science of the total environment • 2020 | View Paper
“We demonstrated that ammonia stimulated the production of intracellular reactive oxygen species, decreased mitochondrial membrane potential, interrupted intracellular calcium ion (Ca2+) homeostasis and induced cell apoptosis.”
“ Ammonia prevented glutamate-induced increase of intracellular calcium , depolarization of the inner mitochondrial membrane, release of cytochrome c to the cytosol, activation of caspase 3 and fragmentation of DNA.”
“At 2 mM or lower [phosphate] in the medium, calcium inhibited glutamine utilization and the production of glutamate, aspartate, and ammonia from glutamine.”
“The addition of Ca immediately after phosphate resulted in the greatest reduction of ammonia acetate-exchangeable Ca concentration, Olsen-P concentration, and carbonate phase Pb.”