from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several enzymes that catalyze the oxidation of compounds by the introduction of hydroxyl groups


Sorry, no etymologies found.


  • Kinney's team found that serotonin levels were 26 percent lower in tissue from babies who died of SIDS than those who died from other causes, and they also found low levels of the enzyme tryptophan hydroxylase, which is needed to make serotonin.

    Reuters: Top News

  • The study also found that infants with insufficient serotonin also had low levels of the enzyme tryptophan hydroxylase, which is needed to make serotonin.

    KING - Home

  • The parasite infects the brain by forming a cyst within its cells and produces an enzyme called tyrosine hydroxylase, which is needed to make dopamine.

    GEN News Highlights

  • Qian JJ, Duncan BW, Adzick NS, Bhatnagar RS: Regulation of prolyl hydroxylase by ascorbic acid is mediated by polyADP-ribose synthesis.

    CHOP scarless fetal wound healing publications

  • "How to optimize Vitamin D supplementation to prevent cancer, based on cellular adaptation and hydroxylase enzymology."

    Leo Galland, M.D.: Beware The Hype Around Vitamin D

  • Tryptophan hydroxylase in cont after drying florifenine rare.

    Rudy: Iraq Is "In The Hands Of Other People"

  • Zinc is also needed for the enzyme dopamine hydroxylase that makes the happy hormone noradrenaline from dopamine.

    The UltraMind Solution

  • Once within brain, neurons producing certain neurotransmitters, such as dopaminergic nigrostriatal cells, the excess phenylalanine can inhibit enzymes (like tyrosine hydroxylase) needed to synthesize the neurotransmitters.

    Santa Fe Pediatrician Regales Hawaii Legislative Committee with Dangers of Aspartame

  • Phenylketonuria (PKU) is an inherited error of metabolism caused by a deficiency in the enzyme phenylalanine hydroxylase.

    Archive 2004-11-01

  • Classical PKU is an autosomal recessive disorder, caused by mutations in both alleles of the gene for phenylalanine hydroxylase (PAH), found on chromosome 12.

    Archive 2004-11-01


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