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At the cellular level, B12 acts as a cofactor for two critical enzymatic reactions: Methionine synthase converts homocysteine to methionine, essential for DNA methylation and synthesis Methylmalonyl-CoA mutase involved in fatty acid metabolism and myelin production By restoring adequate B12 levels, injections enable normal red blood cell maturation in the bone marrow, correcting the megaloblastic anaemia

"Reductive dehalogenase structure suggests a mechanism for B12-dependent dehalogenation"

Contribution of central SGK-1 to the acute phase responses of mice to social isolation (in Eng)

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It supports nerve regeneration and myelin sheath production, which is crucial for nerve health and function