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Hydroxocobalamin, also known as vitamin B 12a and hydroxycobalamin, is a vitamin found in food and used as a dietary supplement. [1] As a supplement it is used to treat vitamin B12 deficiency including pernicious anemia .
Methylcobalamin (mecobalamin, MeCbl, or MeB 12) is a cobalamin, a form of vitamin B 12. It differs from cyanocobalamin in that the cyano group at the cobalt is replaced with a methyl group . [ 1 ] Methylcobalamin features an octahedral cobalt(III) centre and can be obtained as bright red crystals. [ 2 ]
Methylcobalamin is also offered as a dietary supplement. [12] There is no advantage to the use of adenosylcobalamin or methylcobalamin forms for the treatment of vitamin B 12 deficiency. [20] [21] [4] Hydroxocobalamin can be injected intramuscularly to treat vitamin B 12 deficiency. It can also be injected intravenously for the purpose of ...
Hydroxocobalamin injection is a clear red liquid solution. Treatment should take into account the cause and severity of the condition. [6] Treatment is done by vitamin B 12 supplementation, either by mouth or by injection. [3] Initially in high daily doses, followed by less frequent lower doses, as the condition improves. [3]
Adenosylcobalamin (AdoCbl), also known as coenzyme B 12, cobamamide, and dibencozide, is one of the biologically active forms of vitamin B 12. [1]Schematic diagram of the propionate metabolic pathway.
Methylcobalamin (MeCbl) and adenosylcobalamin (AdoCbl) are the biologically active forms of cobalamin, containing a methyl group and an adenosyl moiety in the beta-axial position, respectively. [6] Hydroxocobalamin (HyCbl), with a hydroxyl group in the beta-axial position, is produced as a result of cobalamin photolysis , and is present in ...
It can bind two different forms of the cobalamin cofactor, with cobalt bonded either to a methyl group (methylcobalamin) or to 5'-deoxyadenosine (adenosylcobalamin). Cobalamin-binding domains are mainly found in two families of enzymes present in animals and prokaryotes, which perform distinct kinds of reactions at the cobalt-carbon bond .
Commonly cyanocobalamin or methylcobalamin in vitamin supplements. A coenzyme involved in the metabolism of all animal cells, especially affecting DNA synthesis and regulation, but also fatty acid metabolism and amino acid metabolism.