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But not all forms of B12 are equally effective

Its signature research property is telomerase activation and potential extension of telomere length in certain cell types

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The intracellular peripheral membrane proteins include the zonula occludens (ZO) family, ZO-1 (also known as tight junction protein-1 [TJP1]), ZO-2, and ZO-3 as well as cingulin, whilst the transmembrane proteins include occludin, tricellulin, and members of the claudin family