Title : Alcohol consumption decreases rat hepatic creatine biosynthesis via altered guanidinoacetate methyltransferase activity.

Pub. Date : 2014 Mar

PMID : 24256608






5 Functional Relationships(s)
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1 Alcohol consumption decreases rat hepatic creatine biosynthesis via altered guanidinoacetate methyltransferase activity. Creatine guanidinoacetate N-methyltransferase Rattus norvegicus
2 One such methyltransferase is guanidinoacetate methyltransferase (GAMT) that catalyzes the last step of creatine synthesis. Creatine guanidinoacetate N-methyltransferase Rattus norvegicus
3 One such methyltransferase is guanidinoacetate methyltransferase (GAMT) that catalyzes the last step of creatine synthesis. Creatine guanidinoacetate N-methyltransferase Rattus norvegicus
4 Further, in vitro experiments with cell-free system and hepatic cells revealed it is indeed elevated SAH and lower SAM:SAH ratio that directly impairs GAMT activity and significantly reduces creatine synthesis. Creatine guanidinoacetate N-methyltransferase Rattus norvegicus
5 EtOH intake also slightly decreases the hepatocellular uptake of the creatine precursor, guanidinoacetate (GAA), and the GAMT enzyme expression that could additionally contribute to reduced liver creatine synthesis. Creatine guanidinoacetate N-methyltransferase Rattus norvegicus