T. Garrow

Publications86
h-index30
Citations2,998
Highly Influential Citations133
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Purification, Kinetic Properties, and cDNA Cloning of Mammalian Betaine-Homocysteine Methyltransferase*
  • T. Garrow
  • Biology, Medicine
  • The Journal of Biological Chemistry
  • 13 September 1996
Porcine liver betaine-homocysteine methyltransferase (BHMT; EC) was purified to homogeneity, and the Michaelis constants for betaine, dimethylacetothetin, and L-homocysteine are 23, 155, and 32 μM,… Expand
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Effects of diabetes and insulin on betaine-homocysteine S-methyltransferase expression in rat liver.
Elevation of plasma homocysteine levels has been recognized as an independent risk factor for the development of cardiovascular disease, a major complication of diabetes. Plasma homocysteine reflects… Expand
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Hepatic betaine-homocysteine methyltransferase activity in the chicken is influenced by dietary intake of sulfur amino acids, choline and betaine.
There is much interest in the metabolism of homocysteine, because elevated plasma homocysteine [hyperhomocyst(e)inemia] is an independent risk factor for the development of cardiovascular disease.… Expand
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Homocysteine‐betaine interactions in a murine model of 5,10‐methylenetetrahydrofolate reductase deficiency
Hyperhomocysteinemia, a proposed risk factor for cardiovascular disease, is also observed in other common disorders. The most frequent genetic cause of hyperhomocysteinemia is a mutated… Expand
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Deletion of Betaine-Homocysteine S-Methyltransferase in Mice Perturbs Choline and 1-Carbon Metabolism, Resulting in Fatty Liver and Hepatocellular Carcinomas*
Betaine-homocysteine S-methyltransferase (BHMT) uses betaine to catalyze the conversion of homocysteine (Hcy) to methionine. There are common genetic polymorphisms in the BHMT gene in humans that can… Expand
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Betaine can partially spare choline in chicks but only when added to diets containing a minimal level of choline.
The ability of betaine to serve as a methyl donor in chicks was assessed in 3 bioassays using a choline-free purified diet that contained adequate methionine (Met). In assay 1, choline and betaine… Expand
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Human betaine-homocysteine methyltransferase is a zinc metalloenzyme.
We have overexpressed recombinant human liver betaine-homocysteine methyltransferase (BHMT; EC 2.1.1.5) in Escherichia coli and have purified the enzyme to homogeneity. The Michaelis constants for… Expand
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Interaction between Dietary Methionine and Methyl Donor Intake on Rat Liver Betaine-homocysteine Methyltransferase Gene Expression and Organization of the Human Gene*
We previously showed that rat liver betaine-homocysteine methyltransferase (BHMT) mRNA content and activity increased 4-fold when rats were fed a methionine-deficient diet containing adequate… Expand
  • 143
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Immunohistochemical detection of betaine-homocysteine S-methyltransferase in human, pig, and rat liver and kidney.
Betaine-homocysteine S-methyltransferase (BHMT) has been shown to be expressed at high levels in the livers of all vertebrate species tested. It has also been shown to be abundant in primate and pig… Expand
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Folate deficiency disturbs hepatic methionine metabolism and promotes liver injury in the ethanol-fed micropig
Alcoholic liver disease is associated with abnormal hepatic methionine metabolism and folate deficiency. Because folate is integral to the methionine cycle, its deficiency could promote alcoholic… Expand
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