Menaquinone 4-d<sub>7</sub>

Menaquinone 4-d7

CAT N°: 25709
Price:

1,055.00 896.75

Menaquinone 4-d7 (MK-4-d7) is intended for use as an internal standard for the quantification of MK-4 (Item No. 18423) by GC- or LC-MS. MK-4 is the predominant homolog of vitamin K2 and is composed of a naphthoquinone base with four isoprenoid units in the side chain.{29936} It is formed primarily via conversion of vitamin K1 (Item No. 21051) in vivo and accumulates in various tissues, including the brain.{37777,37778} MK-4 halts the cell cycle at the G1 phase in HepG2, Hep3B, and Huh7 hepatocellular carcinoma cells in a concentration-dependent manner.{37779} It also inhibits I?B kinase (IKK) activity, I?B? phosphorylation, and the transcriptional activity of NF-?B. Vitamin K2 may have a role in bone metabolism.{29936}

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