ornithine


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  • noun

Words related to ornithine

an amino acid that does not occur in proteins but is important in the formation of urea

References in periodicals archive ?
marcescens produce magenta red pigment (prodigiosin) but former two species are negative for lysine and ornithine decarboxylase.
30 L- ornithine could be converted to proline and glutamate by ornithine aminotransferase.
Mutations and polymorphisms in the human ornithine transcarbamylase (OTC) gene.
Putrescine is naturally produced in mammals by an enzyme called ornithine decarboxylase,or ODC, and is easily absorbed and cleared by the body.
Urea Cycle Disorders (UCD) are an important group of inborn errors of metabolism resulting from deficiencies of six different enzymes inherited as autosomal recessive, with the exception of Ornithine Transcarbamylase (OTC), which has X-linked inheritance.
demonstrated that Pso lesions had increased ornithine decarboxylase (ODC) activity in both lesional and non-lesional skin, compared to healthy controls (7).
Only ornithine was downregulated in patients with schizophrenia, with the remaining upregulated.
However, the expression of all the enzymes necessary for the synthesis of Arg is restricted to the liver and the intestine mucosa, where citrulline is formed by the action of P-5-C synthetase and ornithine aminotransferase, which can be immediately converted into Arg (WU, 1997) or released into the blood stream.
DMFO (alpha-difluoromethylornithine, also known as eflornithine) irreversibly inhibits ornithine decarboxylase, an enzyme unregulated in many tumors.
Jamie, from Cumbria, was being treated for several weeks at Newcastle's Royal Victoria Infirmary late last year for a rare, life-threatening metabolic disorder, ornithine carbamoyl transferase deficiency.
The metabolism of arginine--one of the major amino acids found in grape must--by wine yeast leads to production of ornithine and urea.
Arginine is a basic amino acid and serves as an essential precursor for the synthesis of biologically important molecules such as protein, ornithine, proline, polyamines, creatinine, nitric oxide and agmatine (Wu and Morris, 1998).
The peak separation is >95% on common amino acids profile (up to 45 amino acids in a single run with Lithium systems), including Taurine, Ornithine, oxidized amino acids such as Cysteic acid and Methionine Sulfone, and hydroxylated amino acids such as Hydroxyproline and Hydroxylysine.
It retains a constant production of urea, a product of amino acid metabolism and ornithine, which is a substrate for polyamine biosynthesis [1], [2].
47) In addition to its anabolic (tissue-building) effects, (48) ornithine alphaketoglutarate has also been reported to increase GH secretion.