Title : Analysis of pathological defects in methionine metabolism using a simple mathematical model.

Pub. Date : 2005 Sep 25

PMID : 15963701






3 Functional Relationships(s)
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1 In this study, the metabolic consequences of the pathological changes associated with the key pathway enzymes, methionine adenosyl transferase (MAT), glycine N-methyl transferase (GNMT) and cystathionine beta-synthase (CBS) as well as an activation of polyamine metabolism, were analyzed using a simple mathematical model describing methionine metabolism in liver. Methionine methionine adenosyltransferase 1A Homo sapiens
2 Application of the characteristics of transformed hepatocytes to our model, i.e., substitution of the MAT I/III isozyme by MAT II, loss of GNMT activity and activation of polyamine biosynthesis, leads to the prediction of a significantly different dependence of methionine metabolism on methionine concentrations. Methionine methionine adenosyltransferase 1A Homo sapiens
3 Application of the characteristics of transformed hepatocytes to our model, i.e., substitution of the MAT I/III isozyme by MAT II, loss of GNMT activity and activation of polyamine biosynthesis, leads to the prediction of a significantly different dependence of methionine metabolism on methionine concentrations. Methionine methionine adenosyltransferase 1A Homo sapiens