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Individuals with B12 deficiency, which can occur due to dietary restrictions (e.g., vegan or vegetarian diets), gastrointestinal disorders affecting absorption, older age, or certain medical conditions that interfere with B12 absorption
The human let-7a-3 locus contains an epigenetically regulated microRNA gene with oncogenic function
Healthy thyroid function depends on iodine, copper, iron, selenium and zinc all working together
It acts as the ultimate electron donor for the glutaredoxin system, which activates ribonucleotide reductase (RNR) , the rate-limiting enzyme responsible for converting ribonucleotides into the deoxyribonucleotides (dNTPs) needed for DNA replication
2015e;38(Suppl 1): S8-S16
Willi SM, Kennedy A, Brant BP, Wallace P, Rogers NL, Garvey WT
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